Fix multiple db event listener registrations

- breadcrumbs (!flask-breadcrumbs)
- manual modal button
- api blueprint (!flask-marshmallow/!marshmallow-sqlalchemy)

.dockerignore

@@ -5,9 +5,9 @@
 !app
 !migrations
 !tests
-!.flaskenv
 !boot.sh
 !config.py
 !docker-nopaque-entrypoint.sh
-!nopaque.py
 !requirements.txt
+!requirements.freezed.txt
+!wsgi.py

.flaskenv

@@ -1 +0,0 @@
-FLASK_APP=nopaque.py

Dockerfile

@@ -4,11 +4,13 @@ FROM python:3.10.13-slim-bookworm
 LABEL authors="Patrick Jentsch <p.jentsch@uni-bielefeld.de>"
 
 
+# Set environment variables
 ENV LANG="C.UTF-8"
 ENV PYTHONDONTWRITEBYTECODE="1"
 ENV PYTHONUNBUFFERED="1"
 
 
+# Install system dependencies
 RUN apt-get update \
  && apt-get install --no-install-recommends --yes \
       build-essential \
@@ -17,37 +19,40 @@ RUN apt-get update \
  && rm --recursive /var/lib/apt/lists/*
 
 
+# Create a non-root user
 RUN useradd --create-home --no-log-init nopaque \
  && groupadd docker \
  && usermod --append --groups docker nopaque
 
-
 USER nopaque
 WORKDIR /home/nopaque
 
 
+# Create a Python virtual environment
 ENV NOPAQUE_PYTHON3_VENV_PATH="/home/nopaque/.venv"
 RUN python3 -m venv "${NOPAQUE_PYTHON3_VENV_PATH}"
 ENV PATH="${NOPAQUE_PYTHON3_VENV_PATH}/bin:${PATH}"
 
 
+# Install Python dependencies
+COPY --chown=nopaque:nopaque requirements.freezed.txt requirements.freezed.txt
+RUN python3 -m pip install --requirement requirements.freezed.txt \
+ && rm requirements.freezed.txt
+
+
+# Install the application
+COPY docker-nopaque-entrypoint.sh /usr/local/bin/
 COPY --chown=nopaque:nopaque app app
 COPY --chown=nopaque:nopaque migrations migrations
 COPY --chown=nopaque:nopaque tests tests
-COPY --chown=nopaque:nopaque .flaskenv boot.sh config.py nopaque.py requirements.txt ./
-
-
-RUN python3 -m pip install --requirement requirements.txt \
- && mkdir logs
-
-
-USER root
-
-
-COPY docker-nopaque-entrypoint.sh /usr/local/bin/
+COPY --chown=nopaque:nopaque boot.sh config.py wsgi.py ./
+RUN mkdir logs
 
 
 EXPOSE 5000
 
 
+USER root
+
+
 ENTRYPOINT ["docker-nopaque-entrypoint.sh"]

app/__init__.py

@@ -4,7 +4,6 @@ from docker import DockerClient
 from flask import Flask
 from flask_apscheduler import APScheduler
 from flask_assets import Environment
-from flask_breadcrumbs import Breadcrumbs, default_breadcrumb_root
 from flask_login import LoginManager
 from flask_mail import Mail
 from flask_marshmallow import Marshmallow
@@ -17,22 +16,21 @@ from flask_hashids import Hashids
 
 apifairy = APIFairy()
 assets = Environment()
-breadcrumbs = Breadcrumbs()
 db = SQLAlchemy()
 docker_client = DockerClient()
 hashids = Hashids()
 login = LoginManager()
-login.login_view = 'auth.login'
-login.login_message = 'Please log in to access this page.'
 ma = Marshmallow()
 mail = Mail()
 migrate = Migrate(compare_type=True)
 paranoid = Paranoid()
-paranoid.redirect_view = '/'
 scheduler = APScheduler()
 socketio = SocketIO()
 
 
+# TODO: Create export for lemmatized corpora
+
+
 def create_app(config: Config = Config) -> Flask:
     ''' Creates an initialized Flask (WSGI Application) object. '''
     app = Flask(__name__)
@@ -46,7 +44,6 @@ def create_app(config: Config = Config) -> Flask:
 
     apifairy.init_app(app)
     assets.init_app(app)
-    breadcrumbs.init_app(app)
     db.init_app(app)
     hashids.init_app(app)
     login.init_app(app)
@@ -57,24 +54,32 @@ def create_app(config: Config = Config) -> Flask:
     scheduler.init_app(app)
     socketio.init_app(app, message_queue=app.config['NOPAQUE_SOCKETIO_MESSAGE_QUEUE_URI'])  # noqa
 
+    from .models import AnonymousUser, User
+    login.anonymous_user = AnonymousUser
+    login.login_view = 'auth.login'
+    @login.user_loader
+    def load_user(user_id):
+        return User.query.get(int(user_id))
+
+    paranoid.redirect_view = '/'
+
+    from .models.event_listeners import register_event_listeners
+    register_event_listeners()
+
     from .admin import bp as admin_blueprint
-    default_breadcrumb_root(admin_blueprint, '.admin')
     app.register_blueprint(admin_blueprint, url_prefix='/admin')
 
     from .api import bp as api_blueprint
     app.register_blueprint(api_blueprint, url_prefix='/api')
 
     from .auth import bp as auth_blueprint
-    default_breadcrumb_root(auth_blueprint, '.')
     app.register_blueprint(auth_blueprint)
 
     from .contributions import bp as contributions_blueprint
-    default_breadcrumb_root(contributions_blueprint, '.contributions')
     app.register_blueprint(contributions_blueprint, url_prefix='/contributions')
 
     from .corpora import bp as corpora_blueprint
     from .corpora.cqi_over_sio import CQiNamespace
-    default_breadcrumb_root(corpora_blueprint, '.corpora')
     app.register_blueprint(corpora_blueprint, cli_group='corpus', url_prefix='/corpora')
     socketio.on_namespace(CQiNamespace('/cqi_over_sio'))
 
@@ -82,23 +87,18 @@ def create_app(config: Config = Config) -> Flask:
     app.register_blueprint(errors_bp)
 
     from .jobs import bp as jobs_blueprint
-    default_breadcrumb_root(jobs_blueprint, '.jobs')
     app.register_blueprint(jobs_blueprint, url_prefix='/jobs')
 
     from .main import bp as main_blueprint
-    default_breadcrumb_root(main_blueprint, '.')
     app.register_blueprint(main_blueprint, cli_group=None)
 
     from .services import bp as services_blueprint
-    default_breadcrumb_root(services_blueprint, '.services')
     app.register_blueprint(services_blueprint, url_prefix='/services')
 
     from .settings import bp as settings_blueprint
-    default_breadcrumb_root(settings_blueprint, '.settings')
     app.register_blueprint(settings_blueprint, url_prefix='/settings')
 
     from .users import bp as users_blueprint
-    default_breadcrumb_root(users_blueprint, '.users')
     app.register_blueprint(users_blueprint, cli_group='user', url_prefix='/users')
 
     from .workshops import bp as workshops_blueprint

app/admin/events.py

@@ -0,0 +1,49 @@
+from flask_login import current_user
+from flask_socketio import disconnect, Namespace
+from app import db, hashids
+from app.decorators import socketio_admin_required
+from app.models import User
+
+
+class AdminNamespace(Namespace):
+    def on_connect(self):
+        # Check if the user is authenticated and is an administrator
+        if not (current_user.is_authenticated and current_user.is_administrator):
+            disconnect()
+
+
+    @socketio_admin_required
+    def on_set_user_confirmed(self, user_hashid: str, confirmed_value: bool):
+        # Decode the user hashid
+        user_id = hashids.decode(user_hashid)
+
+        # Validate user_id
+        if not isinstance(user_id, int):
+            return {
+                'code': 400,
+                'body': 'user_id is invalid'
+            }
+
+        # Validate confirmed_value
+        if not isinstance(confirmed_value, bool):
+            return {
+                'code': 400,
+                'body': 'confirmed_value is invalid'
+            }
+
+        # Load user from database
+        user = User.query.get(user_id)
+        if user is None:
+            return {
+                'code': 404,
+                'body': 'User not found'
+            }
+
+        # Update user confirmed status
+        user.confirmed = confirmed_value
+        db.session.commit()
+
+        return {
+            'code': 200,
+            'body': f'User "{user.username}" is now {"confirmed" if confirmed_value else "unconfirmed"}'
+        }

app/admin/json_routes.py

@@ -1,6 +1,6 @@
 from flask import abort, request
-from app import db
 from app.decorators import content_negotiation
+from app import db
 from app.models import User
 from . import bp
 

app/admin/routes.py

@@ -1,5 +1,4 @@
 from flask import abort, flash, redirect, render_template, url_for
-from flask_breadcrumbs import register_breadcrumb
 from app import db, hashids
 from app.models import Avatar, Corpus, Role, User
 from app.users.settings.forms import (
@@ -11,14 +10,9 @@ from app.users.settings.forms import (
 )
 from . import bp
 from .forms import UpdateUserForm
-from app.users.utils import (
-    user_endpoint_arguments_constructor as user_eac,
-    user_dynamic_list_constructor as user_dlc
-)
 
 
 @bp.route('')
-@register_breadcrumb(bp, '.', '<i class="material-icons left">admin_panel_settings</i>Administration')
 def admin():
     return render_template(
         'admin/admin.html.j2',
@@ -27,7 +21,6 @@ def admin():
 
 
 @bp.route('/corpora')
-@register_breadcrumb(bp, '.corpora', 'Corpora')
 def corpora():
     corpora = Corpus.query.all()
     return render_template(
@@ -38,7 +31,6 @@ def corpora():
 
 
 @bp.route('/users')
-@register_breadcrumb(bp, '.users', '<i class="material-icons left">group</i>Users')
 def users():
     users = User.query.all()
     return render_template(
@@ -49,7 +41,6 @@ def users():
 
 
 @bp.route('/users/<hashid:user_id>')
-@register_breadcrumb(bp, '.users.entity', '', dynamic_list_constructor=user_dlc)
 def user(user_id):
     user = User.query.get_or_404(user_id)
     corpora = Corpus.query.filter(Corpus.user == user).all()
@@ -62,7 +53,6 @@ def user(user_id):
 
 
 @bp.route('/users/<hashid:user_id>/settings', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.users.entity.settings', '<i class="material-icons left">settings</i>Settings')
 def user_settings(user_id):
     user = User.query.get_or_404(user_id)
     update_account_information_form = UpdateAccountInformationForm(user)

app/api/jobs.py

@@ -5,8 +5,8 @@ from flask import abort, Blueprint
 from werkzeug.exceptions import InternalServerError
 from app import db, hashids
 from app.models import Job, JobInput, JobStatus, TesseractOCRPipelineModel
-from .schemas import EmptySchema, JobSchema, SpaCyNLPPipelineJobSchema, TesseractOCRPipelineJobSchema, TesseractOCRPipelineModelSchema
 from .auth import auth_error_responses, token_auth
+from .schemas import EmptySchema, JobSchema, SpaCyNLPPipelineJobSchema, TesseractOCRPipelineJobSchema, TesseractOCRPipelineModelSchema
 
 
 bp = Blueprint('jobs', __name__)
@@ -77,7 +77,7 @@ def delete_job(job_id):
     job = Job.query.get(job_id)
     if job is None:
         abort(404)
-    if not (job.user == current_user or current_user.is_administrator()):
+    if not (job.user == current_user or current_user.is_administrator):
         abort(403)
     try:
         job.delete()
@@ -97,6 +97,6 @@ def get_job(job_id):
     job = Job.query.get(job_id)
     if job is None:
         abort(404)
-    if not (job.user == current_user or current_user.is_administrator()):
+    if not (job.user == current_user or current_user.is_administrator):
         abort(403)
     return job

app/api/users.py

@@ -3,11 +3,11 @@ from apifairy import authenticate, body, response
 from apifairy.decorators import other_responses
 from flask import abort, Blueprint
 from werkzeug.exceptions import InternalServerError
-from app import db
 from app.email import create_message, send
+from app import db
 from app.models import User
-from .schemas import EmptySchema, UserSchema
 from .auth import auth_error_responses, token_auth
+from .schemas import EmptySchema, UserSchema
 
 
 bp = Blueprint('users', __name__)
@@ -60,7 +60,7 @@ def delete_user(user_id):
     user = User.query.get(user_id)
     if user is None:
         abort(404)
-    if not (user == current_user or current_user.is_administrator()):
+    if not (user == current_user or current_user.is_administrator):
         abort(403)
     user.delete()
     db.session.commit()
@@ -78,7 +78,7 @@ def get_user(user_id):
     user = User.query.get(user_id)
     if user is None:
         abort(404)
-    if not (user == current_user or current_user.is_administrator()):
+    if not (user == current_user or current_user.is_administrator):
         abort(403)
     return user
 
@@ -94,6 +94,6 @@ def get_user_by_username(username):
     user = User.query.filter(User.username == username).first()
     if user is None:
         abort(404)
-    if not (user == current_user or current_user.is_administrator()):
+    if not (user == current_user or current_user.is_administrator):
         abort(403)
     return user

app/auth/routes.py

@@ -1,5 +1,4 @@
 from flask import abort, flash, redirect, render_template, request, url_for
-from flask_breadcrumbs import register_breadcrumb
 from flask_login import current_user, login_user, login_required, logout_user
 from app import db
 from app.email import create_message, send
@@ -19,18 +18,21 @@ def before_request():
     Checks if a user is unconfirmed when visiting specific sites. Redirects to
     unconfirmed view if user is unconfirmed.
     """
-    if current_user.is_authenticated:
-        current_user.ping()
-        db.session.commit()
-        if (not current_user.confirmed
-                and request.endpoint
-                and request.blueprint != 'auth'
-                and request.endpoint != 'static'):
-            return redirect(url_for('auth.unconfirmed'))
+    if not current_user.is_authenticated:
+        return
+
+    current_user.ping()
+    db.session.commit()
+    if (not current_user.confirmed
+            and request.endpoint
+            and request.blueprint != 'auth'
+            and request.endpoint != 'static'):
+        return redirect(url_for('auth.unconfirmed'))
+    if not current_user.terms_of_use_accepted:
+        return redirect(url_for('main.terms_of_use'))
 
 
 @bp.route('/register', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.register', 'Register')
 def register():
     if current_user.is_authenticated:
         return redirect(url_for('main.dashboard'))
@@ -67,7 +69,6 @@ def register():
 
 
 @bp.route('/login', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.login', 'Login')
 def login():
     if current_user.is_authenticated:
         return redirect(url_for('main.dashboard'))
@@ -98,7 +99,6 @@ def logout():
 
 
 @bp.route('/unconfirmed')
-@register_breadcrumb(bp, '.unconfirmed', 'Unconfirmed')
 @login_required
 def unconfirmed():
     if current_user.confirmed:
@@ -141,7 +141,6 @@ def confirm(token):
 
 
 @bp.route('/reset-password-request', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.reset_password_request', 'Password Reset')
 def reset_password_request():
     if current_user.is_authenticated:
         return redirect(url_for('main.dashboard'))
@@ -171,7 +170,6 @@ def reset_password_request():
 
 
 @bp.route('/reset-password/<token>', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.reset_password', 'Password Reset')
 def reset_password(token):
     if current_user.is_authenticated:
         return redirect(url_for('main.dashboard'))

app/contributions/routes.py

@@ -1,9 +1,7 @@
 from flask import redirect, url_for
-from flask_breadcrumbs import register_breadcrumb
 from . import bp
 
 
 @bp.route('')
-@register_breadcrumb(bp, '.', '<i class="material-icons left">new_label</i>My Contributions')
 def contributions():
     return redirect(url_for('main.dashboard', _anchor='contributions'))

app/contributions/spacy_nlp_pipeline_models/json_routes.py

@@ -4,7 +4,7 @@ from threading import Thread
 from app import db
 from app.decorators import content_negotiation, permission_required
 from app.models import SpaCyNLPPipelineModel
-from .. import bp
+from . import bp
 
 
 @bp.route('/spacy-nlp-pipeline-models/<hashid:spacy_nlp_pipeline_model_id>', methods=['DELETE'])
@@ -17,7 +17,7 @@ def delete_spacy_model(spacy_nlp_pipeline_model_id):
             db.session.commit()
     
     snpm = SpaCyNLPPipelineModel.query.get_or_404(spacy_nlp_pipeline_model_id)
-    if not (snpm.user == current_user or current_user.is_administrator()):
+    if not (snpm.user == current_user or current_user.is_administrator):
         abort(403)
     thread = Thread(
         target=_delete_spacy_model,
@@ -39,7 +39,7 @@ def update_spacy_nlp_pipeline_model_is_public(spacy_nlp_pipeline_model_id):
     if not isinstance(is_public, bool):
         abort(400)
     snpm = SpaCyNLPPipelineModel.query.get_or_404(spacy_nlp_pipeline_model_id)
-    if not (snpm.user == current_user or current_user.is_administrator()):
+    if not (snpm.user == current_user or current_user.is_administrator):
         abort(403)
     snpm.is_public = is_public
     db.session.commit()

app/contributions/spacy_nlp_pipeline_models/routes.py

@@ -1,5 +1,4 @@
 from flask import abort, flash, redirect, render_template, url_for
-from flask_breadcrumbs import register_breadcrumb
 from flask_login import current_user
 from app import db
 from app.models import SpaCyNLPPipelineModel
@@ -8,13 +7,9 @@ from .forms import (
     CreateSpaCyNLPPipelineModelForm,
     UpdateSpaCyNLPPipelineModelForm
 )
-from .utils import (
-    spacy_nlp_pipeline_model_dlc as spacy_nlp_pipeline_model_dlc
-)
 
 
 @bp.route('/spacy-nlp-pipeline-models')
-@register_breadcrumb(bp, '.spacy_nlp_pipeline_models', 'SpaCy NLP Pipeline Models')
 def spacy_nlp_pipeline_models():
     return render_template(
         'contributions/spacy_nlp_pipeline_models/spacy_nlp_pipeline_models.html.j2',
@@ -23,7 +18,6 @@ def spacy_nlp_pipeline_models():
 
 
 @bp.route('/spacy-nlp-pipeline-models/create', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.spacy_nlp_pipeline_models.create', 'Create')
 def create_spacy_nlp_pipeline_model():
     form = CreateSpaCyNLPPipelineModelForm()
     if form.is_submitted():
@@ -57,10 +51,9 @@ def create_spacy_nlp_pipeline_model():
 
 
 @bp.route('/spacy-nlp-pipeline-models/<hashid:spacy_nlp_pipeline_model_id>', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.spacy_nlp_pipeline_models.entity', '', dynamic_list_constructor=spacy_nlp_pipeline_model_dlc)
 def spacy_nlp_pipeline_model(spacy_nlp_pipeline_model_id):
     snpm = SpaCyNLPPipelineModel.query.get_or_404(spacy_nlp_pipeline_model_id)
-    if not (snpm.user == current_user or current_user.is_administrator()):
+    if not (snpm.user == current_user or current_user.is_administrator):
         abort(403)
     form = UpdateSpaCyNLPPipelineModelForm(data=snpm.to_json_serializeable())
     if form.validate_on_submit():

app/contributions/spacy_nlp_pipeline_models/utils.py

@@ -1,13 +0,0 @@
-from flask import request, url_for
-from app.models import SpaCyNLPPipelineModel
-
-
-def spacy_nlp_pipeline_model_dlc():
-    snpm_id = request.view_args['spacy_nlp_pipeline_model_id']
-    snpm = SpaCyNLPPipelineModel.query.get_or_404(snpm_id)
-    return [
-        {
-            'text': f'{snpm.title} {snpm.version}',
-            'url': url_for('.spacy_nlp_pipeline_model', spacy_nlp_pipeline_model_id=snpm_id)
-        }
-    ]

app/contributions/tesseract_ocr_pipeline_models/json_routes.py

@@ -17,7 +17,7 @@ def delete_tesseract_model(tesseract_ocr_pipeline_model_id):
             db.session.commit()
 
     topm = TesseractOCRPipelineModel.query.get_or_404(tesseract_ocr_pipeline_model_id)
-    if not (topm.user == current_user or current_user.is_administrator()):
+    if not (topm.user == current_user or current_user.is_administrator):
         abort(403)
     thread = Thread(
         target=_delete_tesseract_ocr_pipeline_model,
@@ -39,7 +39,7 @@ def update_tesseract_ocr_pipeline_model_is_public(tesseract_ocr_pipeline_model_i
     if not isinstance(is_public, bool):
         abort(400)
     topm = TesseractOCRPipelineModel.query.get_or_404(tesseract_ocr_pipeline_model_id)
-    if not (topm.user == current_user or current_user.is_administrator()):
+    if not (topm.user == current_user or current_user.is_administrator):
         abort(403)
     topm.is_public = is_public
     db.session.commit()

app/contributions/tesseract_ocr_pipeline_models/routes.py

@@ -1,5 +1,4 @@
 from flask import abort, flash, redirect, render_template, url_for
-from flask_breadcrumbs import register_breadcrumb
 from flask_login import current_user
 from app import db
 from app.models import TesseractOCRPipelineModel
@@ -8,13 +7,9 @@ from .forms import (
     CreateTesseractOCRPipelineModelForm,
     UpdateTesseractOCRPipelineModelForm
 )
-from .utils import (
-    tesseract_ocr_pipeline_model_dlc as tesseract_ocr_pipeline_model_dlc
-)
 
 
 @bp.route('/tesseract-ocr-pipeline-models')
-@register_breadcrumb(bp, '.tesseract_ocr_pipeline_models', 'Tesseract OCR Pipeline Models')
 def tesseract_ocr_pipeline_models():
     return render_template(
         'contributions/tesseract_ocr_pipeline_models/tesseract_ocr_pipeline_models.html.j2',
@@ -23,7 +18,6 @@ def tesseract_ocr_pipeline_models():
 
 
 @bp.route('/tesseract-ocr-pipeline-models/create', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.tesseract_ocr_pipeline_models.create', 'Create')
 def create_tesseract_ocr_pipeline_model():
     form = CreateTesseractOCRPipelineModelForm()
     if form.is_submitted():
@@ -56,10 +50,9 @@ def create_tesseract_ocr_pipeline_model():
 
 
 @bp.route('/tesseract-ocr-pipeline-models/<hashid:tesseract_ocr_pipeline_model_id>', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.tesseract_ocr_pipeline_models.entity', '', dynamic_list_constructor=tesseract_ocr_pipeline_model_dlc)
 def tesseract_ocr_pipeline_model(tesseract_ocr_pipeline_model_id):
     topm = TesseractOCRPipelineModel.query.get_or_404(tesseract_ocr_pipeline_model_id)
-    if not (topm.user == current_user or current_user.is_administrator()):
+    if not (topm.user == current_user or current_user.is_administrator):
         abort(403)
     form = UpdateTesseractOCRPipelineModelForm(data=topm.to_json_serializeable())
     if form.validate_on_submit():

app/contributions/tesseract_ocr_pipeline_models/utils.py

@@ -1,13 +0,0 @@
-from flask import request, url_for
-from app.models import TesseractOCRPipelineModel
-
-
-def tesseract_ocr_pipeline_model_dlc():
-    topm_id = request.view_args['tesseract_ocr_pipeline_model_id']
-    topm = TesseractOCRPipelineModel.query.get_or_404(topm_id)
-    return [
-        {
-            'text': f'{topm.title} {topm.version}',
-            'url': url_for('.tesseract_ocr_pipeline_model', tesseract_ocr_pipeline_model_id=topm_id)
-        }
-    ]

app/converters/sandpaper.py

@@ -1,81 +1,70 @@
+from datetime import datetime
 from flask import current_app
+from pathlib import Path
+from typing import Dict, List
+import json
+import shutil
 from app import db
 from app.models import User, Corpus, CorpusFile
-from datetime import datetime
-import json
-import os
-import shutil
 
 
 class SandpaperConverter:
-    def __init__(self, json_db_file, data_dir):
+    def __init__(self, json_db_file: Path, data_dir: Path):
         self.json_db_file = json_db_file
         self.data_dir = data_dir
 
     def run(self):
-        with open(self.json_db_file, 'r') as f:
-            json_db = json.loads(f.read())
+        with self.json_db_file.open('r') as f:
+            json_db: List[Dict] = json.load(f)
 
         for json_user in json_db:
             if not json_user['confirmed']:
                 current_app.logger.info(f'Skip unconfirmed user {json_user["username"]}')
                 continue
-            user_dir = os.path.join(self.data_dir, str(json_user['id']))
+            user_dir = self.data_dir / f'{json_user["id"]}'
             self.convert_user(json_user, user_dir)
             db.session.commit()
 
 
-    def convert_user(self, json_user, user_dir):
+    def convert_user(self, json_user: Dict, user_dir: Path):
         current_app.logger.info(f'Create User {json_user["username"]}...')
-        user = User(
-            confirmed=json_user['confirmed'],
-            email=json_user['email'],
-            last_seen=datetime.fromtimestamp(json_user['last_seen']),
-            member_since=datetime.fromtimestamp(json_user['member_since']),
-            password_hash=json_user['password_hash'],  # TODO: Needs to be added manually
-            username=json_user['username']
-        )
-        db.session.add(user)
-        db.session.flush(objects=[user])
-        db.session.refresh(user)
         try:
-            user.makedirs()
-        except OSError as e:
-            current_app.logger.error(e)
-            db.session.rollback()
+            user = User.create(
+                confirmed=json_user['confirmed'],
+                email=json_user['email'],
+                last_seen=datetime.fromtimestamp(json_user['last_seen']),
+                member_since=datetime.fromtimestamp(json_user['member_since']),
+                password_hash=json_user['password_hash'],  # TODO: Needs to be added manually
+                username=json_user['username']
+            )
+        except OSError:
             raise Exception('Internal Server Error')
         for json_corpus in json_user['corpora'].values():
             if not json_corpus['files'].values():
                 current_app.logger.info(f'Skip empty corpus {json_corpus["title"]}')
                 continue
-            corpus_dir = os.path.join(user_dir, 'corpora', str(json_corpus['id']))
+            corpus_dir = user_dir / 'corpora' / f'{json_corpus["id"]}'
             self.convert_corpus(json_corpus, user, corpus_dir)
         current_app.logger.info('Done')
 
 
-    def convert_corpus(self, json_corpus, user, corpus_dir):
+    def convert_corpus(self, json_corpus: Dict, user: User, corpus_dir: Path):
         current_app.logger.info(f'Create Corpus {json_corpus["title"]}...')
-        corpus = Corpus(
-            user=user,
-            creation_date=datetime.fromtimestamp(json_corpus['creation_date']),
-            description=json_corpus['description'],
-            title=json_corpus['title']
-        )
-        db.session.add(corpus)
-        db.session.flush(objects=[corpus])
-        db.session.refresh(corpus)
         try:
-            corpus.makedirs()
-        except OSError as e:
-            current_app.logger.error(e)
-            db.session.rollback()
+            corpus = Corpus.create(
+                user=user,
+                creation_date=datetime.fromtimestamp(json_corpus['creation_date']),
+                description=json_corpus['description'],
+                title=json_corpus['title']
+            )
+        except OSError:
             raise Exception('Internal Server Error')
         for json_corpus_file in json_corpus['files'].values():
             self.convert_corpus_file(json_corpus_file, corpus, corpus_dir)
         current_app.logger.info('Done')
 
 
-    def convert_corpus_file(self, json_corpus_file, corpus, corpus_dir):
+    def convert_corpus_file(self, json_corpus_file: Dict, corpus: Corpus, corpus_dir: Path):
         current_app.logger.info(f'Create CorpusFile {json_corpus_file["title"]}...')
         corpus_file = CorpusFile(
             corpus=corpus,
@@ -99,13 +88,13 @@ class SandpaperConverter:
         db.session.refresh(corpus_file)
         try:
             shutil.copy2(
-                os.path.join(corpus_dir, json_corpus_file['filename']),
+                corpus_dir / json_corpus_file['filename'],
                 corpus_file.path
             )
         except:
             current_app.logger.warning(
                 'Can not convert corpus file: '
-                f'{os.path.join(corpus_dir, json_corpus_file["filename"])}'
+                f'{corpus_dir / json_corpus_file["filename"]}'
                 ' -> '
                 f'{corpus_file.path}'
             )

app/corpora/cli.py

@@ -1,7 +1,7 @@
-from app.models import Corpus, CorpusStatus
-import os
+from flask import current_app
 import shutil
 from app import db
+from app.models import Corpus, CorpusStatus
 from . import bp
 
 
@@ -18,10 +18,17 @@ def reset():
     ]
     for corpus in [x for x in Corpus.query.all() if x.status in status]:
         print(f'Resetting corpus {corpus}')
-        shutil.rmtree(os.path.join(corpus.path, 'cwb'), ignore_errors=True)
-        os.mkdir(os.path.join(corpus.path, 'cwb'))
-        os.mkdir(os.path.join(corpus.path, 'cwb', 'data'))
-        os.mkdir(os.path.join(corpus.path, 'cwb', 'registry'))
+        corpus_cwb_dir = corpus.path / 'cwb'
+        corpus_cwb_data_dir = corpus_cwb_dir / 'data'
+        corpus_cwb_registry_dir = corpus_cwb_dir / 'registry'
+        try:
+            shutil.rmtree(corpus.path / 'cwb', ignore_errors=True)
+            corpus_cwb_dir.mkdir()
+            corpus_cwb_data_dir.mkdir()
+            corpus_cwb_registry_dir.mkdir()
+        except OSError as e:
+            current_app.logger.error(e)
+            raise
         corpus.status = CorpusStatus.UNPREPARED
         corpus.num_analysis_sessions = 0
     db.session.commit()

app/corpora/cqi_over_sio/__init__.py

@@ -99,7 +99,7 @@ class CQiNamespace(Namespace):
             return {'code': 404, 'msg': 'Not Found'}
         if not (db_corpus.user == current_user
                 or current_user.is_following_corpus(db_corpus)
-                or current_user.is_administrator()):
+                or current_user.is_administrator):
             return {'code': 403, 'msg': 'Forbidden'}
         if db_corpus.status not in [
             CorpusStatus.BUILT,

app/corpora/cqi_over_sio/extensions.py

@@ -12,7 +12,6 @@ from typing import Dict, List
 import gzip
 import json
 import math
-import os
 from app import db
 from app.models import Corpus
 from .utils import lookups_by_cpos, partial_export_subcorpus, export_subcorpus
@@ -42,9 +41,9 @@ def ext_corpus_static_data(corpus: str) -> Dict:
     db_corpus_id: int = session['cqi_over_sio']['db_corpus_id']
     db_corpus: Corpus = Corpus.query.get(db_corpus_id)
 
-    static_data_file_path: str = os.path.join(db_corpus.path, 'cwb', 'static.json.gz')
-    if os.path.exists(static_data_file_path):
-        with open(static_data_file_path, 'rb') as f:
+    static_data_file_path = db_corpus.path / 'cwb' / 'static.json.gz'
+    if static_data_file_path.exists():
+        with static_data_file_path.open('rb') as f:
             return f.read()
 
     cqi_client: CQiClient = session['cqi_over_sio']['cqi_client']

app/corpora/decorators.py

@@ -10,7 +10,7 @@ def corpus_follower_permission_required(*permissions):
         def decorated_function(*args, **kwargs):
             corpus_id = kwargs.get('corpus_id')
             corpus = Corpus.query.get_or_404(corpus_id)
-            if not (corpus.user == current_user or current_user.is_administrator()):
+            if not (corpus.user == current_user or current_user.is_administrator):
                 cfa = CorpusFollowerAssociation.query.filter_by(corpus_id=corpus_id, follower_id=current_user.id).first()
                 if cfa is None:
                     abort(403)
@@ -26,7 +26,7 @@ def corpus_owner_or_admin_required(f):
     def decorated_function(*args, **kwargs):
         corpus_id = kwargs.get('corpus_id')
         corpus = Corpus.query.get_or_404(corpus_id)
-        if not (corpus.user == current_user or current_user.is_administrator()):
+        if not (corpus.user == current_user or current_user.is_administrator):
             abort(403)
         return f(*args, **kwargs)
     return decorated_function

app/corpora/events.py

@@ -15,7 +15,7 @@ def get_corpus(corpus_hashid):
     if not (
         corpus.is_public
         or corpus.user == current_user
-        or current_user.is_administrator()
+        or current_user.is_administrator
     ):
         return {'options': {'status': 403, 'statusText': 'Forbidden'}}
     return {
@@ -38,7 +38,7 @@ def subscribe_corpus(corpus_hashid):
     if not (
         corpus.is_public
         or corpus.user == current_user
-        or current_user.is_administrator()
+        or current_user.is_administrator
     ):
         return {'options': {'status': 403, 'statusText': 'Forbidden'}}
     join_room(f'/corpora/{corpus.hashid}')

app/corpora/files/json_routes.py

@@ -1,7 +1,7 @@
-from flask import abort, current_app
+from flask import current_app
 from threading import Thread
-from app import db
 from app.decorators import content_negotiation
+from app import db
 from app.models import CorpusFile
 from ..decorators import corpus_follower_permission_required
 from . import bp

app/corpora/files/routes.py

@@ -6,25 +6,19 @@ from flask import (
     send_from_directory,
     url_for
 )
-from flask_breadcrumbs import register_breadcrumb
-import os
 from app import db
 from app.models import Corpus, CorpusFile, CorpusStatus
 from ..decorators import corpus_follower_permission_required
-from ..utils import corpus_endpoint_arguments_constructor as corpus_eac
 from . import bp
 from .forms import CreateCorpusFileForm, UpdateCorpusFileForm
-from .utils import corpus_file_dynamic_list_constructor as corpus_file_dlc
 
 
 @bp.route('/<hashid:corpus_id>/files')
-@register_breadcrumb(bp, '.entity.files', 'Files', endpoint_arguments_constructor=corpus_eac)
 def corpus_files(corpus_id):
     return redirect(url_for('.corpus', _anchor='files', corpus_id=corpus_id))
 
 
 @bp.route('/<hashid:corpus_id>/files/create', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.entity.files.create', 'Create', endpoint_arguments_constructor=corpus_eac)
 @corpus_follower_permission_required('MANAGE_FILES')
 def create_corpus_file(corpus_id):
     corpus = Corpus.query.get_or_404(corpus_id)
@@ -66,7 +60,6 @@ def create_corpus_file(corpus_id):
 
 
 @bp.route('/<hashid:corpus_id>/files/<hashid:corpus_file_id>', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.entity.files.entity', '', dynamic_list_constructor=corpus_file_dlc)
 @corpus_follower_permission_required('MANAGE_FILES')
 def corpus_file(corpus_id, corpus_file_id):
     corpus_file = CorpusFile.query.filter_by(corpus_id=corpus_id, id=corpus_file_id).first_or_404()
@@ -92,9 +85,9 @@ def corpus_file(corpus_id, corpus_file_id):
 def download_corpus_file(corpus_id, corpus_file_id):
     corpus_file = CorpusFile.query.filter_by(corpus_id=corpus_id, id=corpus_file_id).first_or_404()
     return send_from_directory(
-        os.path.dirname(corpus_file.path),
-        os.path.basename(corpus_file.path),
+        corpus_file.path.parent,
+        corpus_file.path.name,
         as_attachment=True,
-        attachment_filename=corpus_file.filename,
+        download_name=corpus_file.filename,
         mimetype=corpus_file.mimetype
     )

app/corpora/files/utils.py

@@ -1,15 +0,0 @@
-from flask import request, url_for
-from app.models import CorpusFile
-from ..utils import corpus_endpoint_arguments_constructor as corpus_eac
-
-
-def corpus_file_dynamic_list_constructor():
-    corpus_id = request.view_args['corpus_id']
-    corpus_file_id = request.view_args['corpus_file_id']
-    corpus_file = CorpusFile.query.filter_by(corpus_id=corpus_id, id=corpus_file_id).first_or_404()
-    return [
-        {
-            'text': f'{corpus_file.author}: {corpus_file.title} ({corpus_file.publishing_year})',
-            'url': url_for('.corpus_file', corpus_id=corpus_id, corpus_file_id=corpus_file_id)
-        }
-    ]

app/corpora/followers/json_routes.py

@@ -58,7 +58,7 @@ def delete_corpus_follower(corpus_id, follower_id):
         current_user.id == follower_id
         or current_user == cfa.corpus.user 
         or CorpusFollowerAssociation.query.filter_by(corpus_id=corpus_id, follower_id=current_user.id).first().role.has_permission('MANAGE_FOLLOWERS')
-        or current_user.is_administrator()):
+        or current_user.is_administrator):
         abort(403)
     if current_user.id == follower_id:
         flash(f'You are no longer following "{cfa.corpus.title}"', 'corpus')

app/corpora/routes.py

@@ -1,5 +1,4 @@
 from flask import abort, flash, redirect, render_template, url_for
-from flask_breadcrumbs import register_breadcrumb
 from flask_login import current_user
 from app import db
 from app.models import (
@@ -11,20 +10,14 @@ from app.models import (
 from . import bp
 from .decorators import corpus_follower_permission_required
 from .forms import CreateCorpusForm
-from .utils import (
-    corpus_endpoint_arguments_constructor as corpus_eac,
-    corpus_dynamic_list_constructor as corpus_dlc
-)
 
 
 @bp.route('')
-@register_breadcrumb(bp, '.', '<i class="nopaque-icons left">I</i>My Corpora')
 def corpora():
     return redirect(url_for('main.dashboard', _anchor='corpora'))
 
 
 @bp.route('/create', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.create', 'Create')
 def create_corpus():
     form = CreateCorpusForm()
     if form.validate_on_submit():
@@ -47,7 +40,6 @@ def create_corpus():
 
 
 @bp.route('/<hashid:corpus_id>')
-@register_breadcrumb(bp, '.entity', '', dynamic_list_constructor=corpus_dlc)
 def corpus(corpus_id):
     corpus = Corpus.query.get_or_404(corpus_id)
     cfrs = CorpusFollowerRole.query.all()
@@ -55,13 +47,13 @@ def corpus(corpus_id):
     users = User.query.filter(User.is_public == True, User.id != current_user.id, User.id != corpus.user.id, User.role_id < 4).all()
     cfa = CorpusFollowerAssociation.query.filter_by(corpus_id=corpus_id, follower_id=current_user.id).first()
     if cfa is None:
-        if corpus.user == current_user or current_user.is_administrator():
+        if corpus.user == current_user or current_user.is_administrator:
             cfr = CorpusFollowerRole.query.filter_by(name='Administrator').first()
         else:
             cfr = CorpusFollowerRole.query.filter_by(name='Anonymous').first()
     else:
         cfr = cfa.role
-    if corpus.user == current_user or current_user.is_administrator():
+    if corpus.user == current_user or current_user.is_administrator:
         return render_template(
             'corpora/corpus.html.j2',
             title=corpus.title,
@@ -87,7 +79,6 @@ def corpus(corpus_id):
 
 @bp.route('/<hashid:corpus_id>/analysis')
 @corpus_follower_permission_required('VIEW')
-@register_breadcrumb(bp, '.entity.analysis', 'Analysis', endpoint_arguments_constructor=corpus_eac)
 def analysis(corpus_id):
     corpus = Corpus.query.get_or_404(corpus_id)
     return render_template(
@@ -108,13 +99,11 @@ def follow_corpus(corpus_id, token):
 
 
 @bp.route('/import', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.import', 'Import')
 def import_corpus():
     abort(503)
 
 
 @bp.route('/<hashid:corpus_id>/export')
 @corpus_follower_permission_required('VIEW')
-@register_breadcrumb(bp, '.entity.export', 'Export', endpoint_arguments_constructor=corpus_eac)
 def export_corpus(corpus_id):
     abort(503)

app/corpora/utils.py

@@ -1,17 +0,0 @@
-from flask import request, url_for
-from app.models import Corpus
-
-
-def corpus_endpoint_arguments_constructor():
-    return {'corpus_id': request.view_args['corpus_id']}
-
-
-def corpus_dynamic_list_constructor():
-    corpus_id = request.view_args['corpus_id']
-    corpus = Corpus.query.get_or_404(corpus_id)
-    return [
-        {
-            'text': f'<i class="material-icons left">book</i>{corpus.title}',
-            'url': url_for('.corpus', corpus_id=corpus_id)
-        }
-    ]

app/decorators.py

@@ -1,7 +1,6 @@
-from flask import abort, current_app, request
+from flask import abort, request
 from flask_login import current_user
 from functools import wraps
-from threading import Thread
 from typing import List, Union
 from werkzeug.exceptions import NotAcceptable
 from app.models import Permission
@@ -24,22 +23,21 @@ def admin_required(f):
 
 def socketio_login_required(f):
     @wraps(f)
-    def decorated_function(*args, **kwargs):
+    def wrapper(*args, **kwargs):
         if current_user.is_authenticated:
             return f(*args, **kwargs)
-        else:
-            return {'code': 401, 'msg': 'Unauthorized'}
-    return decorated_function
+        return {'code': 401, 'body': 'Unauthorized'}
+    return wrapper
 
 
 def socketio_permission_required(permission):
     def decorator(f):
         @wraps(f)
-        def decorated_function(*args, **kwargs):
+        def wrapper(*args, **kwargs):
             if not current_user.can(permission):
-                return {'code': 403, 'msg': 'Forbidden'}
+                return {'code': 403, 'body': 'Forbidden'}
             return f(*args, **kwargs)
-        return decorated_function
+        return wrapper
     return decorator
 
 
@@ -47,24 +45,6 @@ def socketio_admin_required(f):
     return socketio_permission_required(Permission.ADMINISTRATE)(f)
 
 
-def background(f):
-    '''
-    ' This decorator executes a function in a Thread.
-    ' Decorated functions need to be executed within a code block where an
-    ' app context exists.
-    '
-    ' NOTE: An app object is passed as a keyword argument to the decorated
-    '       function.
-    '''
-    @wraps(f)
-    def wrapped(*args, **kwargs):
-        kwargs['app'] = current_app._get_current_object()
-        thread = Thread(target=f, args=args, kwargs=kwargs)
-        thread.start()
-        return thread
-    return wrapped
-
-
 def content_negotiation(
     produces: Union[str, List[str], None] = None,
     consumes: Union[str, List[str], None] = None

app/extensions/sqlalchemy_extras/__init__.py

@@ -0,0 +1,2 @@
+from .types import ContainerColumn
+from .types import IntEnumColumn

app/extensions/sqlalchemy_extras/types.py

@@ -0,0 +1,42 @@
+import json
+from app import db
+
+
+class ContainerColumn(db.TypeDecorator):
+    impl = db.String
+
+    def __init__(self, container_type, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.container_type = container_type
+
+    def process_bind_param(self, value, dialect):
+        if isinstance(value, self.container_type):
+            return json.dumps(value)
+        elif isinstance(value, str) and isinstance(json.loads(value), self.container_type):
+            return value
+        else:
+            return TypeError()
+
+    def process_result_value(self, value, dialect):
+        return json.loads(value)
+
+
+class IntEnumColumn(db.TypeDecorator):
+    impl = db.Integer
+
+    def __init__(self, enum_type, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.enum_type = enum_type
+
+    def process_bind_param(self, value, dialect):
+        if isinstance(value, self.enum_type) and isinstance(value.value, int):
+            return value.value
+        elif isinstance(value, int):
+            return self.enum_type(value).value
+        elif isinstance(value, str):
+            return self.enum_type[value].value
+        else:
+            return TypeError()
+
+    def process_result_value(self, value, dialect):
+        return self.enum_type(value)

app/jobs/events.py

@@ -0,0 +1,138 @@
+from flask import current_app
+from flask_login import current_user
+from flask_socketio import Namespace
+from app import db, hashids, socketio
+from app.extensions.flask_socketio import admin_required, login_required
+from app.models import Job, JobStatus
+
+
+class JobsNamespace(Namespace):
+    @login_required
+    def on_delete(self, job_hashid: str):
+        # Decode the job hashid
+        job_id = hashids.decode(job_hashid)
+
+        # Validate job_id
+        if not isinstance(job_id, int):
+            return {
+                'code': 400,
+                'body': 'job_id is invalid'
+            }
+
+        # Load job from database
+        job = Job.query.get(job_id)
+        if job is None:
+            return {
+                'code': 404,
+                'body': 'Job not found'
+            }
+
+        # Check if the current user is allowed to delete the job
+        if not (job.user == current_user or current_user.is_administrator):
+            return {
+                'code': 403,
+                'body': 'Forbidden'
+            }
+
+        # TODO: This should be a method in the Job model
+        def _delete_job(app, job_id):
+            with app.app_context():
+                job = Job.query.get(job_id)
+                job.delete()
+                db.session.commit()
+
+        # Delete the job in a background task
+        socketio.start_background_task(
+            target=_delete_job,
+            app=current_app._get_current_object(),
+            job_id=job_id
+        )
+
+        return {
+            'code': 202,
+            'body': f'Job "{job.title}" marked for deletion'
+        }
+
+
+    @admin_required
+    def on_get_log(self, job_hashid: str):
+        # Decode the job hashid
+        job_id = hashids.decode(job_hashid)
+
+        # Validate job_id
+        if not isinstance(job_id, int):
+            return {
+                'code': 400,
+                'body': 'job_id is invalid'
+            }
+
+        # Load job from database
+        job = Job.query.get(job_id)
+        if job is None:
+            return {
+                'code': 404,
+                'body': 'Job not found'
+            }
+
+        # Check if the job is already processed
+        if job.status not in [JobStatus.COMPLETED, JobStatus.FAILED]:
+            return {
+                'code': 409,
+                'body': 'Job is not done processing'
+            }
+
+        # Read the log file
+        with open(job.path / 'pipeline_data' / 'logs' / 'pyflow_log.txt') as log_file:
+            job_log = log_file.read()
+
+        return {
+            'code': 200,
+            'body': job_log
+        }
+
+
+    @login_required
+    def on_restart(self, job_hashid: str):
+        # Decode the job hashid
+        job_id = hashids.decode(job_hashid)
+
+        # Validate job_id
+        if not isinstance(job_id, int):
+            return {
+                'code': 400,
+                'body': 'job_id is invalid'
+            }
+
+        # Load job from database
+        job = Job.query.get(job_id)
+        if job is None:
+            return {
+                'code': 404,
+                'body': 'Job not found'
+            }
+
+        # Check if the current user is allowed to restart the job
+        if not (job.user == current_user or current_user.is_administrator):
+            return {
+                'code': 403,
+                'body': 'Forbidden'
+            }
+
+        # TODO: This should be a method in the Job model
+        def _restart_job(app, job_id):
+            with app.app_context():
+                job = Job.query.get(job_id)
+                job.restart()
+                db.session.commit()
+
+        # Restart the job in a background task
+        socketio.start_background_task(
+            target=_restart_job,
+            app=current_app._get_current_object(),
+            job_id=job_id
+        )
+
+        return {
+            'code': 202,
+            'body': f'Job "{job.title}" restarted'
+        }

app/jobs/json_routes.py

@@ -1,7 +1,6 @@
 from flask import abort, current_app
 from flask_login import current_user
 from threading import Thread
-import os
 from app import db
 from app.decorators import admin_required, content_negotiation
 from app.models import Job, JobStatus
@@ -18,7 +17,7 @@ def delete_job(job_id):
             db.session.commit()
 
     job = Job.query.get_or_404(job_id)
-    if not (job.user == current_user or current_user.is_administrator()):
+    if not (job.user == current_user or current_user.is_administrator):
         abort(403)
     thread = Thread(
         target=_delete_job,
@@ -39,7 +38,7 @@ def job_log(job_id):
     if job.status not in [JobStatus.COMPLETED, JobStatus.FAILED]:
         response = {'errors': {'message': 'Job status is not completed or failed'}}
         return response, 409
-    with open(os.path.join(job.path, 'pipeline_data', 'logs', 'pyflow_log.txt')) as log_file:
+    with open(job.path / 'pipeline_data' / 'logs' / 'pyflow_log.txt') as log_file:
         log = log_file.read()
     response_data = {
         'jobLog': log
@@ -57,7 +56,7 @@ def restart_job(job_id):
             db.session.commit()
 
     job = Job.query.get_or_404(job_id)
-    if not (job.user == current_user or current_user.is_administrator()):
+    if not (job.user == current_user or current_user.is_administrator):
         abort(403)
     if job.status == JobStatus.FAILED:
         response = {'errors': {'message': 'Job status is not "failed"'}}

app/jobs/routes.py

@@ -5,25 +5,20 @@ from flask import (
     send_from_directory,
     url_for
 )
-from flask_breadcrumbs import register_breadcrumb
 from flask_login import current_user
-import os
 from app.models import Job, JobInput, JobResult
 from . import bp
-from .utils import job_dynamic_list_constructor as job_dlc
 
 
 @bp.route('')
-@register_breadcrumb(bp, '.', '<i class="nopaque-icons left">J</i>My Jobs')
 def corpora():
     return redirect(url_for('main.dashboard', _anchor='jobs'))
 
 
 @bp.route('/<hashid:job_id>')
-@register_breadcrumb(bp, '.entity', '', dynamic_list_constructor=job_dlc)
 def job(job_id):
     job = Job.query.get_or_404(job_id)
-    if not (job.user == current_user or current_user.is_administrator()):
+    if not (job.user == current_user or current_user.is_administrator):
         abort(403)
     return render_template(
         'jobs/job.html.j2',
@@ -35,13 +30,13 @@ def job(job_id):
 @bp.route('/<hashid:job_id>/inputs/<hashid:job_input_id>/download')
 def download_job_input(job_id, job_input_id):
     job_input = JobInput.query.filter_by(job_id=job_id, id=job_input_id).first_or_404()
-    if not (job_input.job.user == current_user or current_user.is_administrator()):
+    if not (job_input.job.user == current_user or current_user.is_administrator):
         abort(403)
     return send_from_directory(
-        os.path.dirname(job_input.path),
-        os.path.basename(job_input.path),
+        job_input.path.parent,
+        job_input.path.name,
         as_attachment=True,
-        attachment_filename=job_input.filename,
+        download_name=job_input.filename,
         mimetype=job_input.mimetype
     )
 
@@ -49,12 +44,12 @@ def download_job_input(job_id, job_input_id):
 @bp.route('/<hashid:job_id>/results/<hashid:job_result_id>/download')
 def download_job_result(job_id, job_result_id):
     job_result = JobResult.query.filter_by(job_id=job_id, id=job_result_id).first_or_404()
-    if not (job_result.job.user == current_user or current_user.is_administrator()):
+    if not (job_result.job.user == current_user or current_user.is_administrator):
         abort(403)
     return send_from_directory(
-        os.path.dirname(job_result.path),
-        os.path.basename(job_result.path),
+        job_result.path.parent,
+        job_result.path.name,
         as_attachment=True,
-        attachment_filename=job_result.filename,
+        download_name=job_result.filename,
         mimetype=job_result.mimetype
     )

app/jobs/utils.py

@@ -1,13 +0,0 @@
-from flask import request, url_for
-from app.models import Job
-
-
-def job_dynamic_list_constructor():
-    job_id = request.view_args['job_id']
-    job = Job.query.get_or_404(job_id)
-    return [
-        {
-            'text': f'<i class="nopaque-icons left service-icons" data-service="{job.service}"></i>{job.title}',
-            'url': url_for('.job', job_id=job_id)
-        }
-    ]

app/main/cli.py

@@ -1,6 +1,7 @@
 from flask import current_app
 from flask_migrate import upgrade
-import os
+from pathlib import Path
+from typing import List
 from app.models import (
     CorpusFollowerRole,
     Role,
@@ -17,16 +18,15 @@ def deploy():
     # Make default directories
     print('Make default directories')
     base_dir = current_app.config['NOPAQUE_DATA_DIR']
-    default_dirs = [
-        os.path.join(base_dir, 'tmp'),
-        os.path.join(base_dir, 'users')
+    default_dirs: List[Path] = [
+        base_dir / 'tmp',
+        base_dir / 'users'
     ]
-    for dir in default_dirs:
-        if os.path.exists(dir):
-            if not os.path.isdir(dir):
-                raise NotADirectoryError(f'{dir} is not a directory')
-        else:
-            os.mkdir(dir)
+    for default_dir in default_dirs:
+        if not default_dir.exists():
+            default_dir.mkdir()
+        if not default_dir.is_dir():
+            raise NotADirectoryError(f'{default_dir} is not a directory')
 
     # migrate database to latest revision
     print('Migrate database to latest revision')

app/main/routes.py

@@ -1,14 +1,11 @@
 from flask import flash, redirect, render_template, url_for
-from flask_breadcrumbs import register_breadcrumb
 from flask_login import current_user, login_required, login_user
 from app.auth.forms import LoginForm
 from app.models import Corpus, User
-from sqlalchemy import or_
 from . import bp
 
 
 @bp.route('/', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.', '<i class="material-icons">home</i>')
 def index():
     form = LoginForm()
     if form.validate_on_submit():
@@ -27,7 +24,6 @@ def index():
 
 
 @bp.route('/faq')
-@register_breadcrumb(bp, '.faq', 'Frequently Asked Questions')
 def faq():
     return render_template(
         'main/faq.html.j2',
@@ -36,7 +32,6 @@ def faq():
 
 
 @bp.route('/dashboard')
-@register_breadcrumb(bp, '.dashboard', '<i class="material-icons left">dashboard</i>Dashboard')
 @login_required
 def dashboard():
     return render_template(
@@ -45,8 +40,15 @@ def dashboard():
     )
 
 
+@bp.route('/manual')
+def manual():
+    return render_template(
+        'main/manual.html.j2',
+        title='Manual'
+    )
+
+
 @bp.route('/news')
-@register_breadcrumb(bp, '.news', '<i class="material-icons left">email</i>News')
 def news():
     return render_template(
         'main/news.html.j2',
@@ -55,7 +57,6 @@ def news():
 
 
 @bp.route('/privacy_policy')
-@register_breadcrumb(bp, '.privacy_policy', 'Private statement (GDPR)')
 def privacy_policy():
     return render_template(
         'main/privacy_policy.html.j2',
@@ -64,7 +65,6 @@ def privacy_policy():
 
 
 @bp.route('/terms_of_use')
-@register_breadcrumb(bp, '.terms_of_use', 'Terms of Use')
 def terms_of_use():
     return render_template(
         'main/terms_of_use.html.j2',
@@ -73,7 +73,6 @@ def terms_of_use():
 
 
 @bp.route('/social-area')
-@register_breadcrumb(bp, '.social_area', '<i class="material-icons left">group</i>Social Area')
 @login_required
 def social_area():
     print('test')

app/models/__init__.py

@@ -0,0 +1,14 @@
+from .anonymous_user import *
+from .avatar import *
+from .corpus_file import *
+from .corpus_follower_association import *
+from .corpus_follower_role import *
+from .corpus import *
+from .job_input import *
+from .job_result import *
+from .job import *
+from .role import *
+from .spacy_nlp_pipeline_model import *
+from .tesseract_ocr_pipeline_model import *
+from .token import *
+from .user import *

app/models/anonymous_user.py

@@ -0,0 +1,10 @@
+from flask_login import AnonymousUserMixin
+
+
+class AnonymousUser(AnonymousUserMixin):
+    def can(self, permissions):
+        return False
+
+    @property
+    def is_administrator(self):
+        return False

app/models/avatar.py

@@ -0,0 +1,40 @@
+from flask import current_app
+from flask_hashids import HashidMixin
+from pathlib import Path
+from app import db
+from .file_mixin import FileMixin
+
+
+class Avatar(HashidMixin, FileMixin, db.Model):
+    __tablename__ = 'avatars'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    # Relationships
+    user = db.relationship('User', back_populates='avatar')
+
+    @property
+    def path(self) -> Path:
+        return self.user.path / 'avatar'
+        # return os.path.join(self.user.path, 'avatar')
+
+    def delete(self):
+        try:
+            self.path.unlink(missing_ok=True)
+        except OSError as e:
+            current_app.logger.error(e)
+            raise
+        db.session.delete(self)
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            **self.file_mixin_to_json_serializeable()
+        }
+        if backrefs:
+            json_serializeable['user'] = \
+                self.user.to_json_serializeable(backrefs=True)
+        if relationships:
+            pass
+        return json_serializeable

app/models/corpus.py

@@ -0,0 +1,200 @@
+from datetime import datetime
+from enum import IntEnum
+from flask import current_app, url_for
+from flask_hashids import HashidMixin
+from sqlalchemy.ext.associationproxy import association_proxy
+from typing import Union
+from pathlib import Path
+import shutil
+import xml.etree.ElementTree as ET
+from app import db
+from app.converters.vrt import normalize_vrt_file
+from app.extensions.sqlalchemy_extras import IntEnumColumn
+from .corpus_follower_association import CorpusFollowerAssociation
+
+
+class CorpusStatus(IntEnum):
+    UNPREPARED = 1
+    SUBMITTED = 2
+    QUEUED = 3
+    BUILDING = 4
+    BUILT = 5
+    FAILED = 6
+    STARTING_ANALYSIS_SESSION = 7
+    RUNNING_ANALYSIS_SESSION = 8
+    CANCELING_ANALYSIS_SESSION = 9
+
+    @staticmethod
+    def get(corpus_status: Union['CorpusStatus', int, str]) -> 'CorpusStatus':
+        if isinstance(corpus_status, CorpusStatus):
+            return corpus_status
+        if isinstance(corpus_status, int):
+            return CorpusStatus(corpus_status)
+        if isinstance(corpus_status, str):
+            return CorpusStatus[corpus_status]
+        raise TypeError('corpus_status must be CorpusStatus, int, or str')
+
+
+class Corpus(HashidMixin, db.Model):
+    '''
+    Class to define a corpus.
+    '''
+    __tablename__ = 'corpora'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    # Fields
+    creation_date = db.Column(db.DateTime(), default=datetime.utcnow)
+    description = db.Column(db.String(255))
+    status = db.Column(
+        IntEnumColumn(CorpusStatus),
+        default=CorpusStatus.UNPREPARED
+    )
+    title = db.Column(db.String(32))
+    num_analysis_sessions = db.Column(db.Integer, default=0)
+    num_tokens = db.Column(db.Integer, default=0)
+    is_public = db.Column(db.Boolean, default=False)
+    # Relationships
+    files = db.relationship(
+        'CorpusFile',
+        back_populates='corpus',
+        lazy='dynamic',
+        cascade='all, delete-orphan'
+    )
+    corpus_follower_associations = db.relationship(
+        'CorpusFollowerAssociation',
+        back_populates='corpus',
+        cascade='all, delete-orphan'
+    )
+    followers = association_proxy(
+        'corpus_follower_associations',
+        'follower',
+        creator=lambda u: CorpusFollowerAssociation(follower=u)
+    )
+    user = db.relationship('User', back_populates='corpora')
+    # "static" attributes
+    max_num_tokens = 2_147_483_647
+
+    def __repr__(self):
+        return f'<Corpus {self.title}>'
+
+    @property
+    def analysis_url(self):
+        return url_for('corpora.analysis', corpus_id=self.id)
+
+    @property
+    def jsonpatch_path(self):
+        return f'{self.user.jsonpatch_path}/corpora/{self.hashid}'
+
+    @property
+    def path(self) -> Path:
+        return self.user.path / 'corpora' / f'{self.id}'
+
+    @property
+    def url(self):
+        return url_for('corpora.corpus', corpus_id=self.id)
+
+    @property
+    def user_hashid(self):
+        return self.user.hashid
+
+    @staticmethod
+    def create(**kwargs):
+        corpus = Corpus(**kwargs)
+        db.session.add(corpus)
+        db.session.flush(objects=[corpus])
+        db.session.refresh(corpus)
+        corpus_files_dir = corpus.path / 'files'
+        corpus_cwb_dir = corpus.path / 'cwb'
+        corpus_cwb_data_dir = corpus_cwb_dir / 'data'
+        corpus_cwb_registry_dir = corpus_cwb_dir / 'registry'
+        try:
+            corpus.path.mkdir()
+            corpus_files_dir.mkdir()
+            corpus_cwb_dir.mkdir()
+            corpus_cwb_data_dir.mkdir()
+            corpus_cwb_registry_dir.mkdir()
+        except OSError as e:
+            # TODO: Potential leftover cleanup
+            current_app.logger.error(e)
+            db.session.rollback()
+            raise
+        return corpus
+
+    def build(self):
+        corpus_cwb_dir = self.path / 'cwb'
+        corpus_cwb_data_dir = corpus_cwb_dir / 'data'
+        corpus_cwb_registry_dir = corpus_cwb_dir / 'registry'
+        try:
+            shutil.rmtree(corpus_cwb_dir, ignore_errors=True)
+            corpus_cwb_dir.mkdir()
+            corpus_cwb_data_dir.mkdir()
+            corpus_cwb_registry_dir.mkdir()
+        except OSError as e:
+            current_app.logger.error(e)
+            self.status = CorpusStatus.FAILED
+            raise
+        corpus_element = ET.fromstring('<corpus>\n</corpus>')
+        for corpus_file in self.files:
+            normalized_vrt_path = corpus_cwb_dir / f'{corpus_file.id}.norm.vrt'
+            try:
+                normalize_vrt_file(corpus_file.path, normalized_vrt_path)
+            except:
+                self.status = CorpusStatus.FAILED
+                return
+            element_tree = ET.parse(normalized_vrt_path)
+            text_element = element_tree.getroot()
+            text_element.set('author', corpus_file.author)
+            text_element.set('title', corpus_file.title)
+            text_element.set(
+                'publishing_year',
+                f'{corpus_file.publishing_year}'
+            )
+            text_element.set('address', corpus_file.address or 'NULL')
+            text_element.set('booktitle', corpus_file.booktitle or 'NULL')
+            text_element.set('chapter', corpus_file.chapter or 'NULL')
+            text_element.set('editor', corpus_file.editor or 'NULL')
+            text_element.set('institution', corpus_file.institution or 'NULL')
+            text_element.set('journal', corpus_file.journal or 'NULL')
+            text_element.set('pages', f'{corpus_file.pages}' or 'NULL')
+            text_element.set('publisher', corpus_file.publisher or 'NULL')
+            text_element.set('school', corpus_file.school or 'NULL')
+            text_element.tail = '\n'
+            # corpus_element.insert(1, text_element)
+            corpus_element.append(text_element)
+        ET.ElementTree(corpus_element).write(
+            corpus_cwb_dir / 'corpus.vrt',
+            encoding='utf-8'
+        )
+        self.status = CorpusStatus.SUBMITTED
+
+    def delete(self):
+        shutil.rmtree(self.path, ignore_errors=True)
+        db.session.delete(self)
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'creation_date': f'{self.creation_date.isoformat()}Z',
+            'description': self.description,
+            'max_num_tokens': self.max_num_tokens,
+            'num_analysis_sessions': self.num_analysis_sessions,
+            'num_tokens': self.num_tokens,
+            'status': self.status.name,
+            'title': self.title,
+            'is_public': self.is_public
+        }
+        if backrefs:
+            json_serializeable['user'] = \
+                self.user.to_json_serializeable(backrefs=True)
+        if relationships:
+            json_serializeable['corpus_follower_associations'] = {
+                x.hashid: x.to_json_serializeable()
+                for x in self.corpus_follower_associations
+            }
+            json_serializeable['files'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.files
+            }
+        return json_serializeable

app/models/corpus_file.py

@@ -0,0 +1,102 @@
+from flask import current_app, url_for
+from flask_hashids import HashidMixin
+from pathlib import Path
+from app import db
+from .corpus import CorpusStatus
+from .file_mixin import FileMixin
+
+
+class CorpusFile(FileMixin, HashidMixin, db.Model):
+    __tablename__ = 'corpus_files'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    corpus_id = db.Column(db.Integer, db.ForeignKey('corpora.id'))
+    # Fields
+    author = db.Column(db.String(255))
+    description = db.Column(db.String(255))
+    publishing_year = db.Column(db.Integer)
+    title = db.Column(db.String(255))
+    address = db.Column(db.String(255))
+    booktitle = db.Column(db.String(255))
+    chapter = db.Column(db.String(255))
+    editor = db.Column(db.String(255))
+    institution = db.Column(db.String(255))
+    journal = db.Column(db.String(255))
+    pages = db.Column(db.String(255))
+    publisher = db.Column(db.String(255))
+    school = db.Column(db.String(255))
+    # Relationships
+    corpus = db.relationship(
+        'Corpus',
+        back_populates='files'
+    )
+
+    @property
+    def download_url(self):
+        return url_for(
+            'corpora.download_corpus_file',
+            corpus_id=self.corpus_id,
+            corpus_file_id=self.id
+        )
+
+    @property
+    def jsonpatch_path(self):
+        return f'{self.corpus.jsonpatch_path}/files/{self.hashid}'
+
+    @property
+    def path(self) -> Path:
+        return self.corpus.path / 'files' / f'{self.id}'
+
+    @property
+    def url(self):
+        return url_for(
+            'corpora.corpus_file',
+            corpus_id=self.corpus_id,
+            corpus_file_id=self.id
+        )
+
+    @property
+    def user_hashid(self):
+        return self.corpus.user.hashid
+
+    @property
+    def user_id(self):
+        return self.corpus.user_id
+
+    def delete(self):
+        try:
+            self.path.unlink(missing_ok=True)
+        except OSError as e:
+            current_app.logger.error(e)
+            raise
+        db.session.delete(self)
+        self.corpus.status = CorpusStatus.UNPREPARED
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'address': self.address,
+            'author': self.author,
+            'description': self.description,
+            'booktitle': self.booktitle,
+            'chapter': self.chapter,
+            'editor': self.editor,
+            'institution': self.institution,
+            'journal': self.journal,
+            'pages': self.pages,
+            'publisher': self.publisher,
+            'publishing_year': self.publishing_year,
+            'school': self.school,
+            'title': self.title,
+            **self.file_mixin_to_json_serializeable(
+                backrefs=backrefs,
+                relationships=relationships
+            )
+        }
+        if backrefs:
+            json_serializeable['corpus'] = \
+                self.corpus.to_json_serializeable(backrefs=True)
+        if relationships:
+            pass
+        return json_serializeable

app/models/corpus_follower_association.py

@@ -0,0 +1,47 @@
+from flask_hashids import HashidMixin
+from app import db
+from .corpus_follower_role import CorpusFollowerRole
+
+
+class CorpusFollowerAssociation(HashidMixin, db.Model):
+    __tablename__ = 'corpus_follower_associations'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    corpus_id = db.Column(db.Integer, db.ForeignKey('corpora.id'))
+    follower_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    role_id = db.Column(db.Integer, db.ForeignKey('corpus_follower_roles.id'))
+    # Relationships
+    corpus = db.relationship(
+        'Corpus',
+        back_populates='corpus_follower_associations'
+    )
+    follower = db.relationship(
+        'User',
+        back_populates='corpus_follower_associations'
+    )
+    role = db.relationship(
+        'CorpusFollowerRole',
+        back_populates='corpus_follower_associations'
+    )
+
+    def __init__(self, **kwargs):
+        if 'role' not in kwargs:
+            kwargs['role'] = CorpusFollowerRole.query.filter_by(default=True).first()
+        super().__init__(**kwargs)
+
+    def __repr__(self):
+        return f'<CorpusFollowerAssociation {self.follower.__repr__()} ~ {self.role.__repr__()} ~ {self.corpus.__repr__()}>'
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'corpus': self.corpus.to_json_serializeable(backrefs=True),
+            'follower': self.follower.to_json_serializeable(),
+            'role': self.role.to_json_serializeable()
+        }
+        if backrefs:
+            pass
+        if relationships:
+            pass
+        return json_serializeable

app/models/corpus_follower_role.py

@@ -0,0 +1,107 @@
+from flask_hashids import HashidMixin
+from enum import IntEnum
+from typing import Union
+from app import db
+
+
+class CorpusFollowerPermission(IntEnum):
+    VIEW = 1
+    MANAGE_FILES = 2
+    MANAGE_FOLLOWERS = 4
+    MANAGE_CORPUS = 8
+
+    @staticmethod
+    def get(corpus_follower_permission: Union['CorpusFollowerPermission', int, str]) -> 'CorpusFollowerPermission':
+        if isinstance(corpus_follower_permission, CorpusFollowerPermission):
+            return corpus_follower_permission
+        if isinstance(corpus_follower_permission, int):
+            return CorpusFollowerPermission(corpus_follower_permission)
+        if isinstance(corpus_follower_permission, str):
+            return CorpusFollowerPermission[corpus_follower_permission]
+        raise TypeError('corpus_follower_permission must be CorpusFollowerPermission, int, or str')
+
+
+class CorpusFollowerRole(HashidMixin, db.Model):
+    __tablename__ = 'corpus_follower_roles'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Fields
+    name = db.Column(db.String(64), unique=True)
+    default = db.Column(db.Boolean, default=False, index=True)
+    permissions = db.Column(db.Integer, default=0)
+    # Relationships
+    corpus_follower_associations = db.relationship(
+        'CorpusFollowerAssociation',
+        back_populates='role'
+    )
+
+    def __repr__(self):
+        return f'<CorpusFollowerRole {self.name}>'
+
+    def has_permission(self, permission: Union[CorpusFollowerPermission, int, str]):
+        perm = CorpusFollowerPermission.get(permission)
+        return self.permissions & perm.value == perm.value
+    
+    def add_permission(self, permission: Union[CorpusFollowerPermission, int, str]):
+        perm = CorpusFollowerPermission.get(permission)
+        if not self.has_permission(perm):
+            self.permissions += perm.value
+    
+    def remove_permission(self, permission: Union[CorpusFollowerPermission, int, str]):
+        perm = CorpusFollowerPermission.get(permission)
+        if self.has_permission(perm):
+            self.permissions -= perm.value
+
+    def reset_permissions(self):
+        self.permissions = 0
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'default': self.default,
+            'name': self.name,
+            'permissions': [
+                x.name
+                for x in CorpusFollowerPermission
+                if self.has_permission(x)
+            ]
+        }
+        if backrefs:
+            pass
+        if relationships:
+            json_serializeable['corpus_follower_association'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.corpus_follower_association
+            }
+        return json_serializeable
+
+    @staticmethod
+    def insert_defaults():
+        roles = {
+            'Anonymous': [],
+            'Viewer': [
+                CorpusFollowerPermission.VIEW
+            ],
+            'Contributor': [
+                CorpusFollowerPermission.VIEW,
+                CorpusFollowerPermission.MANAGE_FILES
+            ],
+            'Administrator': [
+                CorpusFollowerPermission.VIEW,
+                CorpusFollowerPermission.MANAGE_FILES,
+                CorpusFollowerPermission.MANAGE_FOLLOWERS,
+                CorpusFollowerPermission.MANAGE_CORPUS
+
+            ]
+        }
+        default_role_name = 'Viewer'
+        for role_name, permissions in roles.items():
+            role = CorpusFollowerRole.query.filter_by(name=role_name).first()
+            if role is None:
+                role = CorpusFollowerRole(name=role_name)
+            role.reset_permissions()
+            for permission in permissions:
+                role.add_permission(permission)
+            role.default = role.name == default_role_name
+            db.session.add(role)
+        db.session.commit()

app/models/event_listeners.py

@@ -0,0 +1,133 @@
+from datetime import datetime
+from enum import Enum
+from app import db, mail, socketio
+from app.email import create_message
+from .corpus_file import CorpusFile
+from .corpus_follower_association import CorpusFollowerAssociation
+from .corpus import Corpus
+from .job_input import JobInput
+from .job_result import JobResult
+from .job import Job, JobStatus
+from .spacy_nlp_pipeline_model import SpaCyNLPPipelineModel
+from .tesseract_ocr_pipeline_model import TesseractOCRPipelineModel
+from .user import UserSettingJobStatusMailNotificationLevel
+
+
+def register_event_listeners():
+    resources = [
+        Corpus,
+        CorpusFile,
+        Job,
+        JobInput,
+        JobResult,
+        SpaCyNLPPipelineModel,
+        TesseractOCRPipelineModel
+    ]
+
+    for resource in resources:
+        db.event.listen(resource, 'after_delete', resource_after_delete)
+        db.event.listen(resource, 'after_insert', resource_after_insert)
+        db.event.listen(resource, 'after_update', resource_after_update)
+
+    db.event.listen(CorpusFollowerAssociation, 'after_delete', cfa_after_delete)
+    db.event.listen(CorpusFollowerAssociation, 'after_insert', cfa_after_insert)
+
+    db.event.listen(Job, 'after_update', job_after_update)
+
+
+def resource_after_delete(mapper, connection, resource):
+    jsonpatch = [
+        {
+            'op': 'remove',
+            'path': resource.jsonpatch_path
+        }
+    ]
+    room = f'/users/{resource.user_hashid}'
+    socketio.emit('PATCH', jsonpatch, room=room)
+
+
+def cfa_after_delete(mapper, connection, cfa):
+    jsonpatch_path = f'/users/{cfa.corpus.user.hashid}/corpora/{cfa.corpus.hashid}/corpus_follower_associations/{cfa.hashid}'
+    jsonpatch = [
+        {
+            'op': 'remove',
+            'path': jsonpatch_path
+        }
+    ]
+    room = f'/users/{cfa.corpus.user.hashid}'
+    socketio.emit('PATCH', jsonpatch, room=room)
+
+
+def resource_after_insert(mapper, connection, resource):
+    jsonpatch_value = resource.to_json_serializeable()
+    for attr in mapper.relationships:
+        jsonpatch_value[attr.key] = {}
+    jsonpatch = [
+        {
+            'op': 'add',
+            'path': resource.jsonpatch_path,
+            'value': jsonpatch_value
+        }
+    ]
+    room = f'/users/{resource.user_hashid}'
+    socketio.emit('PATCH', jsonpatch, room=room)
+
+
+def cfa_after_insert(mapper, connection, cfa):
+    jsonpatch_value = cfa.to_json_serializeable()
+    jsonpatch_path = f'/users/{cfa.corpus.user.hashid}/corpora/{cfa.corpus.hashid}/corpus_follower_associations/{cfa.hashid}'
+    jsonpatch = [
+        {
+            'op': 'add',
+            'path': jsonpatch_path,
+            'value': jsonpatch_value
+        }
+    ]
+    room = f'/users/{cfa.corpus.user.hashid}'
+    socketio.emit('PATCH', jsonpatch, room=room)
+
+
+def resource_after_update(mapper, connection, resource):
+    jsonpatch = []
+    for attr in db.inspect(resource).attrs:
+        if attr.key in mapper.relationships:
+            continue
+        if not attr.load_history().has_changes():
+            continue
+        jsonpatch_path = f'{resource.jsonpatch_path}/{attr.key}'
+        if isinstance(attr.value, datetime):
+            jsonpatch_value = f'{attr.value.isoformat()}Z'
+        elif isinstance(attr.value, Enum):
+            jsonpatch_value = attr.value.name
+        else:
+            jsonpatch_value = attr.value
+        jsonpatch.append(
+            {
+                'op': 'replace',
+                'path': jsonpatch_path,
+                'value': jsonpatch_value
+            }
+        )
+    if jsonpatch:
+        room = f'/users/{resource.user_hashid}'
+        socketio.emit('PATCH', jsonpatch, room=room)
+
+
+def job_after_update(mapper, connection, job):
+    for attr in db.inspect(job).attrs:
+        if attr.key != 'status':
+            continue
+        if not attr.load_history().has_changes():
+            return
+        if job.user.setting_job_status_mail_notification_level == UserSettingJobStatusMailNotificationLevel.NONE:
+            return
+        if job.user.setting_job_status_mail_notification_level == UserSettingJobStatusMailNotificationLevel.END:
+            if job.status not in [JobStatus.COMPLETED, JobStatus.FAILED]:
+                return
+        msg = create_message(
+            job.user.email,
+            f'Status update for your Job "{job.title}"',
+            'tasks/email/notification',
+            job=job
+        )
+        mail.send(msg)

app/models/file_mixin.py

@@ -0,0 +1,40 @@
+from datetime import datetime
+from flask import current_app
+from werkzeug.utils import secure_filename
+from app import db
+
+
+class FileMixin:
+    '''
+    Mixin for db.Model classes. All file related models should use this.
+    '''
+    creation_date = db.Column(db.DateTime, default=datetime.utcnow)
+    filename = db.Column(db.String(255))
+    mimetype = db.Column(db.String(255))
+
+    def file_mixin_to_json_serializeable(self, backrefs=False, relationships=False):
+        return {
+            'creation_date': f'{self.creation_date.isoformat()}Z',
+            'filename': self.filename,
+            'mimetype': self.mimetype
+        }
+    
+    @classmethod
+    def create(cls, file_storage, **kwargs):
+        filename = kwargs.pop('filename', file_storage.filename)
+        mimetype = kwargs.pop('mimetype', file_storage.mimetype)
+        obj = cls(
+            filename=secure_filename(filename),
+            mimetype=mimetype,
+            **kwargs
+        )
+        db.session.add(obj)
+        db.session.flush(objects=[obj])
+        db.session.refresh(obj)
+        try:
+            file_storage.save(obj.path)
+        except (AttributeError, OSError) as e:
+            current_app.logger.error(e)
+            db.session.rollback()
+            raise e
+        return obj

app/models/job.py

@@ -0,0 +1,172 @@
+from datetime import datetime
+from enum import IntEnum
+from flask import current_app, url_for
+from flask_hashids import HashidMixin
+from time import sleep
+from typing import Union
+from pathlib import Path
+import shutil
+from app import db
+from app.extensions.sqlalchemy_extras import ContainerColumn, IntEnumColumn
+
+
+class JobStatus(IntEnum):
+    INITIALIZING = 1
+    SUBMITTED = 2
+    QUEUED = 3
+    RUNNING = 4
+    CANCELING = 5
+    CANCELED = 6
+    COMPLETED = 7
+    FAILED = 8
+
+    @staticmethod
+    def get(job_status: Union['JobStatus', int, str]) -> 'JobStatus':
+        if isinstance(job_status, JobStatus):
+            return job_status
+        if isinstance(job_status, int):
+            return JobStatus(job_status)
+        if isinstance(job_status, str):
+            return JobStatus[job_status]
+        raise TypeError('job_status must be JobStatus, int, or str')
+
+
+class Job(HashidMixin, db.Model):
+    '''
+    Class to define Jobs.
+    '''
+    __tablename__ = 'jobs'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    # Fields
+    creation_date = \
+        db.Column(db.DateTime(), default=datetime.utcnow)
+    description = db.Column(db.String(255))
+    end_date = db.Column(db.DateTime())
+    service = db.Column(db.String(64))
+    service_args = db.Column(ContainerColumn(dict, 255))
+    service_version = db.Column(db.String(16))
+    status = db.Column(
+        IntEnumColumn(JobStatus),
+        default=JobStatus.INITIALIZING
+    )
+    title = db.Column(db.String(32))
+    # Relationships
+    inputs = db.relationship(
+        'JobInput',
+        back_populates='job',
+        cascade='all, delete-orphan',
+        lazy='dynamic'
+    )
+    results = db.relationship(
+        'JobResult',
+        back_populates='job',
+        cascade='all, delete-orphan',
+        lazy='dynamic'
+    )
+    user = db.relationship(
+        'User',
+        back_populates='jobs'
+    )
+
+    def __repr__(self):
+        return f'<Job {self.title}>'
+
+    @property
+    def jsonpatch_path(self):
+        return f'{self.user.jsonpatch_path}/jobs/{self.hashid}'
+
+    @property
+    def path(self) -> Path:
+        return self.user.path / 'jobs' / f'{self.id}'
+
+    @property
+    def url(self):
+        return url_for('jobs.job', job_id=self.id)
+
+    @property
+    def user_hashid(self):
+        return self.user.hashid
+
+    @staticmethod
+    def create(**kwargs):
+        job = Job(**kwargs)
+        db.session.add(job)
+        db.session.flush(objects=[job])
+        db.session.refresh(job)
+        job_inputs_dir = job.path / 'inputs'
+        job_pipeline_data_dir = job.path / 'pipeline_data'
+        job_results_dir = job.path / 'results'
+        try:
+            job.path.mkdir()
+            job_inputs_dir.mkdir()
+            job_pipeline_data_dir.mkdir()
+            job_results_dir.mkdir()
+        except OSError as e:
+            # TODO: Potential leftover cleanup
+            current_app.logger.error(e)
+            db.session.rollback()
+            raise
+        return job
+
+    def delete(self):
+        ''' Delete the job and its inputs and results from the database. '''
+        if self.status not in [JobStatus.COMPLETED, JobStatus.FAILED]:  # noqa
+            self.status = JobStatus.CANCELING
+            db.session.commit()
+            while self.status != JobStatus.CANCELED:
+                # In case the daemon handled a job in any way
+                if self.status != JobStatus.CANCELING:
+                    self.status = JobStatus.CANCELING
+                    db.session.commit()
+                sleep(1)
+                db.session.refresh(self)
+        try:
+            shutil.rmtree(self.path)
+        except OSError as e:
+            current_app.logger.error(e)
+            db.session.rollback()
+            raise e
+        db.session.delete(self)
+
+    def restart(self):
+        ''' Restart a job - only if the status is failed '''
+        if self.status != JobStatus.FAILED:
+            raise Exception('Job status is not "failed"')
+        shutil.rmtree(self.path / 'results', ignore_errors=True)
+        shutil.rmtree(self.path / 'pyflow.data', ignore_errors=True)
+        for result in self.results:
+            db.session.delete(result)
+        self.end_date = None
+        self.status = JobStatus.SUBMITTED
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'creation_date': f'{self.creation_date.isoformat()}Z',
+            'description': self.description,
+            'end_date': (
+                None if self.end_date is None
+                else f'{self.end_date.isoformat()}Z'
+            ),
+            'service': self.service,
+            'service_args': self.service_args,
+            'service_version': self.service_version,
+            'status': self.status.name,
+            'title': self.title
+        }
+        if backrefs:
+            json_serializeable['user'] = \
+                self.user.to_json_serializeable(backrefs=True)
+        if relationships:
+            json_serializeable['inputs'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.inputs
+            }
+            json_serializeable['results'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.results
+            }
+        return json_serializeable

app/models/job_input.py

@@ -0,0 +1,65 @@
+from flask import url_for
+from flask_hashids import HashidMixin
+from pathlib import Path
+from app import db
+from .file_mixin import FileMixin
+
+
+class JobInput(FileMixin, HashidMixin, db.Model):
+    __tablename__ = 'job_inputs'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    job_id = db.Column(db.Integer, db.ForeignKey('jobs.id'))
+    # Relationships
+    job = db.relationship(
+        'Job',
+        back_populates='inputs'
+    )
+
+    def __repr__(self):
+        return f'<JobInput {self.filename}>'
+
+    @property
+    def content_url(self):
+        return url_for(
+            'jobs.download_job_input',
+            job_id=self.job.id,
+            job_input_id=self.id
+        )
+
+    @property
+    def jsonpatch_path(self):
+        return f'{self.job.jsonpatch_path}/inputs/{self.hashid}'
+
+    @property
+    def path(self) -> Path:
+        return self.job.path / 'inputs' / f'{self.id}'
+
+    @property
+    def url(self):
+        return url_for(
+            'jobs.job',
+            job_id=self.job_id,
+            _anchor=f'job-{self.job.hashid}-input-{self.hashid}'
+        )
+
+    @property
+    def user_hashid(self):
+        return self.job.user.hashid
+
+    @property
+    def user_id(self):
+        return self.job.user.id
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            **self.file_mixin_to_json_serializeable()
+        }
+        if backrefs:
+            json_serializeable['job'] = \
+                self.job.to_json_serializeable(backrefs=True)
+        if relationships:
+            pass
+        return json_serializeable

app/models/job_result.py

@@ -0,0 +1,71 @@
+from flask import url_for
+from flask_hashids import HashidMixin
+from pathlib import Path
+from app import db
+from .file_mixin import FileMixin
+
+
+class JobResult(FileMixin, HashidMixin, db.Model):
+    __tablename__ = 'job_results'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    job_id = db.Column(db.Integer, db.ForeignKey('jobs.id'))
+    # Fields
+    description = db.Column(db.String(255))
+    # Relationships
+    job = db.relationship(
+        'Job',
+        back_populates='results'
+    )
+
+    def __repr__(self):
+        return f'<JobResult {self.filename}>'
+
+    @property
+    def download_url(self):
+        return url_for(
+            'jobs.download_job_result',
+            job_id=self.job_id,
+            job_result_id=self.id
+        )
+
+    @property
+    def jsonpatch_path(self):
+        return f'{self.job.jsonpatch_path}/results/{self.hashid}'
+
+    @property
+    def path(self) -> Path:
+        return self.job.path / 'results' / f'{self.id}'
+
+    @property
+    def url(self):
+        return url_for(
+            'jobs.job',
+            job_id=self.job_id,
+            _anchor=f'job-{self.job.hashid}-result-{self.hashid}'
+        )
+
+    @property
+    def user_hashid(self):
+        return self.job.user.hashid
+
+    @property
+    def user_id(self):
+        return self.job.user.id
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'description': self.description,
+            **self.file_mixin_to_json_serializeable(
+                backrefs=backrefs,
+                relationships=relationships
+            )
+        }
+        if backrefs:
+            json_serializeable['job'] = \
+                self.job.to_json_serializeable(backrefs=True)
+        if relationships:
+            pass
+        return json_serializeable

app/models/role.py

@@ -0,0 +1,100 @@
+from enum import IntEnum
+from flask_hashids import HashidMixin
+from typing import Union
+from app import db
+
+
+class Permission(IntEnum):
+    '''
+    Defines User permissions as integers by the power of 2. User permission
+    can be evaluated using the bitwise operator &.
+    '''
+    ADMINISTRATE = 1
+    CONTRIBUTE = 2
+    USE_API = 4
+
+    @staticmethod
+    def get(permission: Union['Permission', int, str]) -> 'Permission':
+        if isinstance(permission, Permission):
+            return permission
+        if isinstance(permission, int):
+            return Permission(permission)
+        if isinstance(permission, str):
+            return Permission[permission]
+        raise TypeError('permission must be Permission, int, or str')
+
+
+class Role(HashidMixin, db.Model):
+    __tablename__ = 'roles'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Fields
+    name = db.Column(db.String(64), unique=True)
+    default = db.Column(db.Boolean, default=False, index=True)
+    permissions = db.Column(db.Integer, default=0)
+    # Relationships
+    users = db.relationship('User', back_populates='role', lazy='dynamic')
+
+    def __repr__(self):
+        return f'<Role {self.name}>'
+
+    def has_permission(self, permission: Union[Permission, int, str]):
+        p = Permission.get(permission)
+        return self.permissions & p.value == p.value
+    
+    def add_permission(self, permission: Union[Permission, int, str]):
+        p = Permission.get(permission)
+        if not self.has_permission(p):
+            self.permissions += p.value
+    
+    def remove_permission(self, permission: Union[Permission, int, str]):
+        p = Permission.get(permission)
+        if self.has_permission(p):
+            self.permissions -= p.value
+
+    def reset_permissions(self):
+        self.permissions = 0
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'default': self.default,
+            'name': self.name,
+            'permissions': [
+                x.name for x in Permission
+                if self.has_permission(x.value)
+            ]
+        }
+        if backrefs:
+            pass
+        if relationships:
+            json_serializeable['users'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.users
+            }
+        return json_serializeable
+
+    @staticmethod
+    def insert_defaults():
+        roles = {
+            'User': [],
+            'API user': [Permission.USE_API],
+            'Contributor': [Permission.CONTRIBUTE],
+            'Administrator': [
+                Permission.ADMINISTRATE,
+                Permission.CONTRIBUTE,
+                Permission.USE_API
+            ],
+            'System user': []
+        }
+        default_role_name = 'User'
+        for role_name, permissions in roles.items():
+            role = Role.query.filter_by(name=role_name).first()
+            if role is None:
+                role = Role(name=role_name)
+            role.reset_permissions()
+            for permission in permissions:
+                role.add_permission(permission)
+            role.default = role.name == default_role_name
+            db.session.add(role)
+        db.session.commit()

app/models/spacy_nlp_pipeline_model.py

@@ -0,0 +1,136 @@
+from flask import current_app, url_for
+from flask_hashids import HashidMixin
+from tqdm import tqdm
+from pathlib import Path
+import requests
+import yaml
+from app import db
+from app.extensions.sqlalchemy_extras import ContainerColumn
+from .file_mixin import FileMixin
+from .user import User
+
+
+class SpaCyNLPPipelineModel(FileMixin, HashidMixin, db.Model):
+    __tablename__ = 'spacy_nlp_pipeline_models'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    # Fields
+    title = db.Column(db.String(64))
+    description = db.Column(db.String(255))
+    version = db.Column(db.String(16))
+    compatible_service_versions = db.Column(ContainerColumn(list, 255))
+    publisher = db.Column(db.String(128))
+    publisher_url = db.Column(db.String(512))
+    publishing_url = db.Column(db.String(512))
+    publishing_year = db.Column(db.Integer)
+    pipeline_name = db.Column(db.String(64))
+    is_public = db.Column(db.Boolean, default=False)
+    # Relationships
+    user = db.relationship('User', back_populates='spacy_nlp_pipeline_models')
+
+    @property
+    def path(self) -> Path:
+        return self.user.path / 'spacy_nlp_pipeline_models' / f'{self.id}'
+
+    @property
+    def jsonpatch_path(self):
+        return f'{self.user.jsonpatch_path}/spacy_nlp_pipeline_models/{self.hashid}'
+
+    @property
+    def url(self):
+        return url_for(
+            'contributions.spacy_nlp_pipeline_model',
+            spacy_nlp_pipeline_model_id=self.id
+        )
+
+    @property
+    def user_hashid(self):
+        return self.user.hashid
+
+    @staticmethod
+    def insert_defaults(force_download=False):
+        nopaque_user = User.query.filter_by(username='nopaque').first()
+        default_records_file = Path(__file__).parent / 'default_records' / 'spacy_nlp_pipeline_model.yml'
+        with default_records_file.open('r') as f:
+            default_records = yaml.safe_load(f)
+        for m in default_records:
+            model = SpaCyNLPPipelineModel.query.filter_by(title=m['title'], version=m['version']).first()  # noqa
+            if model is not None:
+                model.compatible_service_versions = m['compatible_service_versions']
+                model.description = m['description']
+                model.filename = m['url'].split('/')[-1]
+                model.publisher = m['publisher']
+                model.publisher_url = m['publisher_url']
+                model.publishing_url = m['publishing_url']
+                model.publishing_year = m['publishing_year']
+                model.is_public = True
+                model.title = m['title']
+                model.version = m['version']
+                model.pipeline_name = m['pipeline_name']
+            else:
+                model = SpaCyNLPPipelineModel(
+                    compatible_service_versions=m['compatible_service_versions'],
+                    description=m['description'],
+                    filename=m['url'].split('/')[-1],
+                    publisher=m['publisher'],
+                    publisher_url=m['publisher_url'],
+                    publishing_url=m['publishing_url'],
+                    publishing_year=m['publishing_year'],
+                    is_public=True,
+                    title=m['title'],
+                    user=nopaque_user,
+                    version=m['version'],
+                    pipeline_name=m['pipeline_name']
+                )
+                db.session.add(model)
+                db.session.flush(objects=[model])
+                db.session.refresh(model)
+            if not model.path.exists() or force_download:
+                r = requests.get(m['url'], stream=True)
+                pbar = tqdm(
+                    desc=f'{model.title} ({model.filename})',
+                    unit="B",
+                    unit_scale=True,
+                    unit_divisor=1024,
+                    total=int(r.headers['Content-Length'])
+                )
+                pbar.clear()
+                with open(model.path, 'wb') as f:
+                    for chunk in r.iter_content(chunk_size=1024):
+                        if chunk:  # filter out keep-alive new chunks
+                            pbar.update(len(chunk))
+                            f.write(chunk)
+                    pbar.close()
+        db.session.commit()
+    
+    def delete(self):
+        try:
+            self.path.unlink(missing_ok=True)
+        except OSError as e:
+            current_app.logger.error(e)
+            raise
+        db.session.delete(self)
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'compatible_service_versions': self.compatible_service_versions,
+            'description': self.description,
+            'publisher': self.publisher,
+            'publisher_url': self.publisher_url,
+            'publishing_url': self.publishing_url,
+            'publishing_year': self.publishing_year,
+            'pipeline_name': self.pipeline_name,
+            'is_public': self.is_public,
+            'title': self.title,
+            'version': self.version,
+            **self.file_mixin_to_json_serializeable()
+        }
+        if backrefs:
+            json_serializeable['user'] = \
+                self.user.to_json_serializeable(backrefs=True)
+        if relationships:
+            pass
+        return json_serializeable

app/models/tesseract_ocr_pipeline_model.py

@@ -0,0 +1,132 @@
+from flask import current_app, url_for
+from flask_hashids import HashidMixin
+from tqdm import tqdm
+from pathlib import Path
+import requests
+import yaml
+from app import db
+from app.extensions.sqlalchemy_extras import ContainerColumn
+from .file_mixin import FileMixin
+from .user import User
+
+
+class TesseractOCRPipelineModel(FileMixin, HashidMixin, db.Model):
+    __tablename__ = 'tesseract_ocr_pipeline_models'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    # Fields
+    title = db.Column(db.String(64))
+    description = db.Column(db.String(255))
+    version = db.Column(db.String(16))
+    compatible_service_versions = db.Column(ContainerColumn(list, 255))
+    publisher = db.Column(db.String(128))
+    publisher_url = db.Column(db.String(512))
+    publishing_url = db.Column(db.String(512))
+    publishing_year = db.Column(db.Integer)
+    is_public = db.Column(db.Boolean, default=False)
+    # Relationships
+    user = db.relationship('User', back_populates='tesseract_ocr_pipeline_models')
+
+    @property
+    def path(self) -> Path:
+        return self.user.path / 'tesseract_ocr_pipeline_models' / f'{self.id}'
+
+    @property
+    def jsonpatch_path(self):
+        return f'{self.user.jsonpatch_path}/tesseract_ocr_pipeline_models/{self.hashid}'
+
+    @property
+    def url(self):
+        return url_for(
+            'contributions.tesseract_ocr_pipeline_model',
+            tesseract_ocr_pipeline_model_id=self.id
+        )
+
+    @property
+    def user_hashid(self):
+        return self.user.hashid
+
+    @staticmethod
+    def insert_defaults(force_download=False):
+        nopaque_user = User.query.filter_by(username='nopaque').first()
+        default_records_file = Path(__file__).parent / 'default_records' / 'tesseract_ocr_pipeline_model.yml'
+        with default_records_file.open('r') as f:
+            default_records = yaml.safe_load(f)
+        for m in default_records:
+            model = TesseractOCRPipelineModel.query.filter_by(title=m['title'], version=m['version']).first()  # noqa
+            if model is not None:
+                model.compatible_service_versions = m['compatible_service_versions']
+                model.description = m['description']
+                model.filename = f'{model.id}.traineddata'
+                model.publisher = m['publisher']
+                model.publisher_url = m['publisher_url']
+                model.publishing_url = m['publishing_url']
+                model.publishing_year = m['publishing_year']
+                model.is_public = True
+                model.title = m['title']
+                model.version = m['version']
+            else:
+                model = TesseractOCRPipelineModel(
+                    compatible_service_versions=m['compatible_service_versions'],
+                    description=m['description'],
+                    publisher=m['publisher'],
+                    publisher_url=m['publisher_url'],
+                    publishing_url=m['publishing_url'],
+                    publishing_year=m['publishing_year'],
+                    is_public=True,
+                    title=m['title'],
+                    user=nopaque_user,
+                    version=m['version']
+                )
+                db.session.add(model)
+                db.session.flush(objects=[model])
+                db.session.refresh(model)
+                model.filename = f'{model.id}.traineddata'
+            if not model.path.exists() or force_download:
+                r = requests.get(m['url'], stream=True)
+                pbar = tqdm(
+                    desc=f'{model.title} ({model.filename})',
+                    unit="B",
+                    unit_scale=True,
+                    unit_divisor=1024,
+                    total=int(r.headers['Content-Length'])
+                )
+                pbar.clear()
+                with open(model.path, 'wb') as f:
+                    for chunk in r.iter_content(chunk_size=1024):
+                        if chunk:  # filter out keep-alive new chunks
+                            pbar.update(len(chunk))
+                            f.write(chunk)
+                    pbar.close()
+        db.session.commit()
+
+    def delete(self):
+        try:
+            self.path.unlink(missing_ok=True)
+        except OSError as e:
+            current_app.logger.error(e)
+            raise
+        db.session.delete(self)
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'compatible_service_versions': self.compatible_service_versions,
+            'description': self.description,
+            'publisher': self.publisher,
+            'publisher_url': self.publisher_url,
+            'publishing_url': self.publishing_url,
+            'publishing_year': self.publishing_year,
+            'is_public': self.is_public,
+            'title': self.title,
+            'version': self.version,
+            **self.file_mixin_to_json_serializeable()
+        }
+        if backrefs:
+            json_serializeable['user'] = \
+                self.user.to_json_serializeable(backrefs=True)
+        if relationships:
+            pass
+        return json_serializeable

app/models/token.py

@@ -0,0 +1,48 @@
+from datetime import datetime, timedelta
+from app import db
+
+
+class Token(db.Model):
+    __tablename__ = 'tokens'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    # Fields
+    access_token = db.Column(db.String(64), index=True)
+    access_expiration = db.Column(db.DateTime)
+    refresh_token = db.Column(db.String(64), index=True)
+    refresh_expiration = db.Column(db.DateTime)
+    # Relationships
+    user = db.relationship('User', back_populates='tokens')
+
+    def expire(self):
+        self.access_expiration = datetime.utcnow()
+        self.refresh_expiration = datetime.utcnow()
+
+    def to_json_serializeable(self, backrefs=False, relationships=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'access_token': self.access_token,
+            'access_expiration': (
+                None if self.access_expiration is None
+                else f'{self.access_expiration.isoformat()}Z'
+            ),
+            'refresh_token': self.refresh_token,
+            'refresh_expiration': (
+                None if self.refresh_expiration is None
+                else f'{self.refresh_expiration.isoformat()}Z'
+            )
+        }
+        if backrefs:
+            json_serializeable['user'] = \
+                self.user.to_json_serializeable(backrefs=True)
+        if relationships:
+            pass
+        return json_serializeable
+
+    @staticmethod
+    def clean():
+        """Remove any tokens that have been expired for more than a day."""
+        yesterday = datetime.utcnow() - timedelta(days=1)
+        Token.query.filter(Token.refresh_expiration < yesterday).delete()

app/models/user.py

@@ -0,0 +1,454 @@
+from datetime import datetime, timedelta
+from enum import IntEnum
+from flask import current_app, url_for
+from flask_hashids import HashidMixin
+from flask_login import UserMixin
+from sqlalchemy.ext.associationproxy import association_proxy
+from pathlib import Path
+from typing import Union
+from werkzeug.security import generate_password_hash, check_password_hash
+import jwt
+import re
+import secrets
+import shutil
+from app import db, hashids
+from app.extensions.sqlalchemy_extras import IntEnumColumn
+from .corpus import Corpus
+from .corpus_follower_association import CorpusFollowerAssociation
+from .corpus_follower_role import CorpusFollowerRole
+from .role import Permission, Role
+from .token import Token
+
+
+class ProfilePrivacySettings(IntEnum):
+    SHOW_EMAIL = 1
+    SHOW_LAST_SEEN = 2
+    SHOW_MEMBER_SINCE = 4
+
+    @staticmethod
+    def get(profile_privacy_setting: Union['ProfilePrivacySettings', int, str]) -> 'ProfilePrivacySettings':
+        if isinstance(profile_privacy_setting, ProfilePrivacySettings):
+            return profile_privacy_setting
+        if isinstance(profile_privacy_setting, int):
+            return ProfilePrivacySettings(profile_privacy_setting)
+        if isinstance(profile_privacy_setting, str):
+            return ProfilePrivacySettings[profile_privacy_setting]
+        raise TypeError('profile_privacy_setting must be ProfilePrivacySettings, int, or str')
+
+
+class UserSettingJobStatusMailNotificationLevel(IntEnum):
+    NONE = 1
+    END = 2
+    ALL = 3
+
+
+class User(HashidMixin, UserMixin, db.Model):
+    __tablename__ = 'users'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign keys
+    role_id = db.Column(db.Integer, db.ForeignKey('roles.id'))
+    # Fields
+    email = db.Column(db.String(254), index=True, unique=True)
+    username = db.Column(db.String(64), index=True, unique=True)
+    username_pattern = re.compile(r'^[A-Za-zÄÖÜäöüß0-9_.]*$')
+    password_hash = db.Column(db.String(128))
+    confirmed = db.Column(db.Boolean, default=False)
+    terms_of_use_accepted = db.Column(db.Boolean, default=False)
+    member_since = db.Column(db.DateTime(), default=datetime.utcnow)
+    setting_job_status_mail_notification_level = db.Column(
+        IntEnumColumn(UserSettingJobStatusMailNotificationLevel),
+        default=UserSettingJobStatusMailNotificationLevel.END
+    )
+    last_seen = db.Column(db.DateTime())
+    full_name = db.Column(db.String(64))
+    about_me = db.Column(db.String(256))
+    location = db.Column(db.String(64))
+    website = db.Column(db.String(128))
+    organization = db.Column(db.String(128))
+    is_public = db.Column(db.Boolean, default=False)
+    profile_privacy_settings = db.Column(db.Integer(), default=0)
+    # Relationships
+    avatar = db.relationship(
+        'Avatar',
+        back_populates='user',
+        cascade='all, delete-orphan',
+        uselist=False
+    )
+    corpora = db.relationship(
+        'Corpus',
+        back_populates='user',
+        cascade='all, delete-orphan',
+        lazy='dynamic'
+    )
+    corpus_follower_associations = db.relationship(
+        'CorpusFollowerAssociation',
+        back_populates='follower',
+        cascade='all, delete-orphan'
+    )
+    followed_corpora = association_proxy(
+        'corpus_follower_associations',
+        'corpus',
+        creator=lambda c: CorpusFollowerAssociation(corpus=c)
+    )
+    jobs = db.relationship(
+        'Job',
+        back_populates='user',
+        cascade='all, delete-orphan',
+        lazy='dynamic'
+    )
+    role = db.relationship(
+        'Role',
+        back_populates='users'
+    )
+    spacy_nlp_pipeline_models = db.relationship(
+        'SpaCyNLPPipelineModel',
+        back_populates='user',
+        cascade='all, delete-orphan',
+        lazy='dynamic'
+    )
+    tesseract_ocr_pipeline_models = db.relationship(
+        'TesseractOCRPipelineModel',
+        back_populates='user',
+        cascade='all, delete-orphan',
+        lazy='dynamic'
+    )
+    tokens = db.relationship(
+        'Token',
+        back_populates='user',
+        cascade='all, delete-orphan',
+        lazy='dynamic'
+    )
+
+    def __init__(self, **kwargs):
+        if 'role' not in kwargs:
+            kwargs['role'] = (
+                Role.query.filter_by(name='Administrator').first()
+                if kwargs['email'] == current_app.config['NOPAQUE_ADMIN']
+                else Role.query.filter_by(default=True).first()
+            )
+        super().__init__(**kwargs)
+
+    def __repr__(self):
+        return f'<User {self.username}>'
+
+    @property
+    def is_administrator(self):
+        return self.can(Permission.ADMINISTRATE)
+
+    @property
+    def jsonpatch_path(self):
+        return f'/users/{self.hashid}'
+
+    @property
+    def password(self):
+        raise AttributeError('password is not a readable attribute')
+
+    @password.setter
+    def password(self, password):
+        #pbkdf2:sha256
+        self.password_hash = generate_password_hash(password, method='pbkdf2')
+
+    @property
+    def path(self) -> Path:
+        return current_app.config.get('NOPAQUE_DATA_DIR') / 'users' / f'{self.id}'
+
+    @staticmethod
+    def create(**kwargs):
+        user = User(**kwargs)
+        db.session.add(user)
+        db.session.flush(objects=[user])
+        db.session.refresh(user)
+        user_spacy_nlp_pipeline_models_dir = user.path / 'spacy_nlp_pipeline_models'
+        user_tesseract_ocr_pipeline_models_dir = user.path / 'tesseract_ocr_pipeline_models'
+        user_corpora_dir = user.path / 'corpora'
+        user_jobs_dir = user.path / 'jobs'
+        try:
+            user.path.mkdir()
+            user_spacy_nlp_pipeline_models_dir.mkdir()
+            user_tesseract_ocr_pipeline_models_dir.mkdir()
+            user_corpora_dir.mkdir()
+            user_jobs_dir.mkdir()
+        except OSError as e:
+            # TODO: Potential leftover cleanup
+            current_app.logger.error(e)
+            db.session.rollback()
+            raise
+        return user
+
+    @staticmethod
+    def insert_defaults():
+        nopaque_user = User.query.filter_by(username='nopaque').first()
+        system_user_role = Role.query.filter_by(name='System user').first()
+        if nopaque_user is None:
+            nopaque_user = User.create(
+                username='nopaque',
+                role=system_user_role
+            )
+            db.session.add(nopaque_user)
+        elif nopaque_user.role != system_user_role:
+            nopaque_user.role = system_user_role
+        db.session.commit()
+
+    @staticmethod
+    def reset_password(token, new_password):
+        try:
+            payload = jwt.decode(
+                token,
+                current_app.config['SECRET_KEY'],
+                algorithms=['HS256'],
+                issuer=current_app.config['SERVER_NAME'],
+                options={'require': ['exp', 'iat', 'iss', 'purpose', 'sub']}
+            )
+        except jwt.PyJWTError:
+            return False
+        if payload.get('purpose') != 'User.reset_password':
+            return False
+        user_hashid = payload.get('sub')
+        user_id = hashids.decode(user_hashid)
+        user = User.query.get(user_id)
+        if user is None:
+            return False
+        user.password = new_password
+        db.session.add(user)
+        return True
+
+    @staticmethod
+    def verify_access_token(access_token, refresh_token=None):
+        token = Token.query.filter(Token.access_token == access_token).first()
+        if token is not None:
+            if token.access_expiration > datetime.utcnow():
+                token.user.ping()
+                db.session.commit()
+                if token.user.role.name != 'System user':
+                    return token.user
+
+    @staticmethod
+    def verify_refresh_token(refresh_token, access_token):
+        token = Token.query.filter((Token.refresh_token == refresh_token) & (Token.access_token == access_token)).first()
+        if token is not None:
+            if token.refresh_expiration > datetime.utcnow():
+                return token
+            # someone tried to refresh with an expired token
+            # revoke all tokens from this user as a precaution
+            token.user.revoke_auth_tokens()
+            db.session.commit()
+
+    def can(self, permission):
+        return self.role is not None and self.role.has_permission(permission)
+
+    def confirm(self, confirmation_token):
+        try:
+            payload = jwt.decode(
+                confirmation_token,
+                current_app.config['SECRET_KEY'],
+                algorithms=['HS256'],
+                issuer=current_app.config['SERVER_NAME'],
+                options={'require': ['exp', 'iat', 'iss', 'purpose', 'sub']}
+            )
+        except jwt.PyJWTError:
+            return False
+        if payload.get('purpose') != 'user.confirm':
+            return False
+        if payload.get('sub') != self.hashid:
+            return False
+        self.confirmed = True
+        db.session.add(self)
+        return True
+
+    def delete(self):
+        shutil.rmtree(self.path, ignore_errors=True)
+        db.session.delete(self)
+
+    def generate_auth_token(self):
+        return Token(
+            access_token=secrets.token_urlsafe(),
+            access_expiration=datetime.utcnow() + timedelta(minutes=15),
+            refresh_token=secrets.token_urlsafe(),
+            refresh_expiration=datetime.utcnow() + timedelta(days=7),
+            user=self
+        )
+
+    def generate_confirm_token(self, expiration=3600):
+        now = datetime.utcnow()
+        payload = {
+            'exp': now + timedelta(seconds=expiration),
+            'iat': now,
+            'iss': current_app.config['SERVER_NAME'],
+            'purpose': 'user.confirm',
+            'sub': self.hashid
+        }
+        return jwt.encode(
+            payload,
+            current_app.config['SECRET_KEY'],
+            algorithm='HS256'
+        )
+
+    def generate_reset_password_token(self, expiration=3600):
+        now = datetime.utcnow()
+        payload = {
+            'exp': now + timedelta(seconds=expiration),
+            'iat': now,
+            'iss': current_app.config['SERVER_NAME'],
+            'purpose': 'User.reset_password',
+            'sub': self.hashid
+        }
+        return jwt.encode(
+            payload,
+            current_app.config['SECRET_KEY'],
+            algorithm='HS256'
+        )
+
+    def ping(self):
+        self.last_seen = datetime.utcnow()
+
+    def revoke_auth_tokens(self):
+        for token in self.tokens:
+            db.session.delete(token)
+
+    def verify_password(self, password):
+        if self.role.name == 'System user':
+            return False
+        return check_password_hash(self.password_hash, password)
+
+    #region Profile Privacy settings
+    def has_profile_privacy_setting(self, setting):
+        s = ProfilePrivacySettings.get(setting)
+        return self.profile_privacy_settings & s.value == s.value
+    
+    def add_profile_privacy_setting(self, setting):
+        s = ProfilePrivacySettings.get(setting)
+        if not self.has_profile_privacy_setting(s):
+            self.profile_privacy_settings += s.value
+
+    def remove_profile_privacy_setting(self, setting):
+        s = ProfilePrivacySettings.get(setting)
+        if self.has_profile_privacy_setting(s):
+            self.profile_privacy_settings -= s.value
+
+    def reset_profile_privacy_settings(self):
+        self.profile_privacy_settings = 0
+    #endregion Profile Privacy settings
+
+    def follow_corpus(self, corpus, role=None):
+        if role is None:
+            cfr = CorpusFollowerRole.query.filter_by(default=True).first()
+        else:
+            cfr = role
+        if self.is_following_corpus(corpus):
+            cfa = CorpusFollowerAssociation.query.filter_by(corpus=corpus, follower=self).first()
+            if cfa.role != cfr:
+                cfa.role = cfr
+        else:
+            cfa = CorpusFollowerAssociation(corpus=corpus, role=cfr, follower=self)
+            db.session.add(cfa)
+
+    def unfollow_corpus(self, corpus):
+        if not self.is_following_corpus(corpus):
+            return
+        self.followed_corpora.remove(corpus)
+
+    def is_following_corpus(self, corpus):
+        return corpus in self.followed_corpora
+    
+    def generate_follow_corpus_token(self, corpus_hashid, role_name, expiration=7):
+        now = datetime.utcnow()
+        payload = {
+            'exp': expiration,
+            'iat': now,
+            'iss': current_app.config['SERVER_NAME'],
+            'purpose': 'User.follow_corpus',
+            'role_name': role_name,
+            'sub': corpus_hashid
+        }
+        return jwt.encode(
+            payload,
+            current_app.config['SECRET_KEY'],
+            algorithm='HS256'
+        )
+    
+    def follow_corpus_by_token(self, token):
+        try:
+            payload = jwt.decode(
+                token,
+                current_app.config['SECRET_KEY'],
+                algorithms=['HS256'],
+                issuer=current_app.config['SERVER_NAME'],
+                options={'require': ['exp', 'iat', 'iss', 'purpose', 'role_name', 'sub']}
+            )
+        except jwt.PyJWTError:
+            return False
+        if payload.get('purpose') != 'User.follow_corpus':
+            return False
+        corpus_hashid = payload.get('sub')
+        corpus_id = hashids.decode(corpus_hashid)
+        corpus = Corpus.query.get_or_404(corpus_id)
+        if corpus is None:
+            return False
+        role_name = payload.get('role_name')
+        role = CorpusFollowerRole.query.filter_by(name=role_name).first()
+        if role is None:
+            return False
+        self.follow_corpus(corpus, role)
+        # db.session.add(self)
+        return True
+
+    def to_json_serializeable(self, backrefs=False, relationships=False, filter_by_privacy_settings=False):
+        json_serializeable = {
+            'id': self.hashid,
+            'confirmed': self.confirmed,
+            'avatar': url_for('users.user_avatar', user_id=self.id),
+            'email': self.email,
+            'last_seen': (
+                None if self.last_seen is None
+                else f'{self.last_seen.isoformat()}Z'
+            ),
+            'member_since': f'{self.member_since.isoformat()}Z',
+            'username': self.username,
+            'full_name': self.full_name,
+            'about_me': self.about_me,
+            'website': self.website,
+            'location': self.location,
+            'organization': self.organization,
+            'job_status_mail_notification_level': \
+                    self.setting_job_status_mail_notification_level.name,
+            'profile_privacy_settings': {
+                'is_public': self.is_public,
+                'show_email': self.has_profile_privacy_setting(ProfilePrivacySettings.SHOW_EMAIL),
+                'show_last_seen': self.has_profile_privacy_setting(ProfilePrivacySettings.SHOW_LAST_SEEN),
+                'show_member_since': self.has_profile_privacy_setting(ProfilePrivacySettings.SHOW_MEMBER_SINCE)
+            }
+        }
+        if backrefs:
+            json_serializeable['role'] = \
+                self.role.to_json_serializeable(backrefs=True)
+        if relationships:
+            json_serializeable['corpus_follower_associations'] = {
+                x.hashid: x.to_json_serializeable()
+                for x in self.corpus_follower_associations
+            }
+            json_serializeable['corpora'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.corpora
+            }
+            json_serializeable['jobs'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.jobs
+            }
+            json_serializeable['tesseract_ocr_pipeline_models'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.tesseract_ocr_pipeline_models
+            }
+            json_serializeable['spacy_nlp_pipeline_models'] = {
+                x.hashid: x.to_json_serializeable(relationships=True)
+                for x in self.spacy_nlp_pipeline_models
+            }
+
+        if filter_by_privacy_settings:
+            if not self.has_profile_privacy_setting(ProfilePrivacySettings.SHOW_EMAIL):
+                json_serializeable.pop('email')
+            if not self.has_profile_privacy_setting(ProfilePrivacySettings.SHOW_LAST_SEEN):
+                json_serializeable.pop('last_seen')
+            if not self.has_profile_privacy_setting(ProfilePrivacySettings.SHOW_MEMBER_SINCE):
+                json_serializeable.pop('member_since')
+        return json_serializeable

app/services/__init__.py

@@ -1,12 +1,11 @@
 from flask import Blueprint
 from flask_login import login_required
-import os
+from pathlib import Path
 import yaml
 
 
-services_file = \
-    os.path.join(os.path.dirname(os.path.abspath(__file__)), 'services.yml')
-with open(services_file, 'r') as f:
+services_file = Path(__file__).parent / 'services.yml'
+with services_file.open('r') as f:
     SERVICES = yaml.safe_load(f)
 
 bp = Blueprint('services', __name__)

app/services/routes.py

@@ -1,5 +1,4 @@
-from flask import abort, current_app, flash, Markup, redirect, render_template, request, url_for
-from flask_breadcrumbs import register_breadcrumb
+from flask import abort, current_app, flash, redirect, render_template, request, url_for
 from flask_login import current_user
 import requests
 from app import db, hashids
@@ -20,13 +19,11 @@ from .forms import (
 
 
 @bp.route('/services')
-@register_breadcrumb(bp, '.', 'Services')
 def services():
     return redirect(url_for('main.dashboard'))
 
 
 @bp.route('/file-setup-pipeline', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.file_setup_pipeline', '<i class="nopaque-icons service-icons left" data-service="file-setup-pipeline"></i>File Setup')
 def file_setup_pipeline():
     service = 'file-setup-pipeline'
     service_manifest = SERVICES[service]
@@ -56,7 +53,7 @@ def file_setup_pipeline():
                 abort(500)
         job.status = JobStatus.SUBMITTED
         db.session.commit()
-        message = Markup(f'Job "<a href="{job.url}">{job.title}</a>" created')
+        message = f'Job "<a href="{job.url}">{job.title}</a>" created'
         flash(message, 'job')
         return {}, 201, {'Location': job.url}
     return render_template(
@@ -67,7 +64,6 @@ def file_setup_pipeline():
 
 
 @bp.route('/tesseract-ocr-pipeline', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.tesseract_ocr_pipeline', '<i class="nopaque-icons service-icons left" data-service="tesseract-ocr-pipeline"></i>Tesseract OCR Pipeline')
 def tesseract_ocr_pipeline():
     service_name = 'tesseract-ocr-pipeline'
     service_manifest = SERVICES[service_name]
@@ -100,7 +96,7 @@ def tesseract_ocr_pipeline():
             abort(500)
         job.status = JobStatus.SUBMITTED
         db.session.commit()
-        message = Markup(f'Job "<a href="{job.url}">{job.title}</a>" created')
+        message = f'Job "<a href="{job.url}">{job.title}</a>" created'
         flash(message, 'job')
         return {}, 201, {'Location': job.url}
     tesseract_ocr_pipeline_models = [
@@ -118,7 +114,6 @@ def tesseract_ocr_pipeline():
 
 
 @bp.route('/transkribus-htr-pipeline', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.transkribus_htr_pipeline', '<i class="nopaque-icons service-icons left" data-service="transkribus-htr-pipeline"></i>Transkribus HTR Pipeline')
 def transkribus_htr_pipeline():
     if not current_app.config.get('NOPAQUE_TRANSKRIBUS_ENABLED'):
         abort(404)
@@ -164,7 +159,7 @@ def transkribus_htr_pipeline():
             abort(500)
         job.status = JobStatus.SUBMITTED
         db.session.commit()
-        message = Markup(f'Job "<a href="{job.url}">{job.title}</a>" created')
+        message = f'Job "<a href="{job.url}">{job.title}</a>" created'
         flash(message, 'job')
         return {}, 201, {'Location': job.url}
     return render_template(
@@ -176,7 +171,6 @@ def transkribus_htr_pipeline():
 
 
 @bp.route('/spacy-nlp-pipeline', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.spacy_nlp_pipeline', '<i class="nopaque-icons service-icons left" data-service="spacy-nlp-pipeline"></i>SpaCy NLP Pipeline')
 def spacy_nlp_pipeline():
     service = 'spacy-nlp-pipeline'
     service_manifest = SERVICES[service]
@@ -210,7 +204,7 @@ def spacy_nlp_pipeline():
             abort(500)
         job.status = JobStatus.SUBMITTED
         db.session.commit()
-        message = Markup(f'Job "<a href="{job.url}">{job.title}</a>" created')
+        message = f'Job "<a href="{job.url}">{job.title}</a>" created'
         flash(message, 'job')
         return {}, 201, {'Location': job.url}
     return render_template(
@@ -223,7 +217,6 @@ def spacy_nlp_pipeline():
 
 
 @bp.route('/corpus-analysis')
-@register_breadcrumb(bp, '.corpus_analysis', '<i class="nopaque-icons service-icons left" data-service="corpus-analysis"></i>Corpus Analysis')
 def corpus_analysis():
     return render_template(
         'services/corpus_analysis.html.j2',

app/settings/routes.py

@@ -1,12 +1,10 @@
 from flask import g, url_for
-from flask_breadcrumbs import register_breadcrumb
 from flask_login import current_user
 from app.users.settings.routes import settings as settings_route
 from . import bp
 
 
 @bp.route('/settings', methods=['GET', 'POST'])
-@register_breadcrumb(bp, '.', '<i class="material-icons left">settings</i>Settings')
 def settings():
     g._nopaque_redirect_location_on_post = url_for('.settings')
     return settings_route(current_user.id)

app/static/css/colors.scss

@@ -1,290 +0,0 @@
-/// Map deep get
-/// @author Kitty Giraudel
-/// @access public
-/// @param {Map} $map - Map
-/// @param {Arglist} $keys - Key chain
-/// @return {*} - Desired value
-@function map-deep-get($map, $keys...) {
-    @each $key in $keys {
-        $map: map-get($map, $key);
-    }
-    @return $map;
-}
-
-
-$color: (
-  "baseline": (
-    "primary": #00426f,
-    "primary-variant": #1a5c89,
-    "secondary": #00426f,
-    "secondary-variant": #1a5c89,
-    "background": #ffffff,
-    "surface": #ffffff,
-    "error": #b00020
-  ),
-  "social-area": (
-    "base": #d6ae86,
-    "darken": #C98536,
-    "lighten": #EAE2DB
-  ),
-  "service": (
-    "corpus-analysis": (
-      "base": #aa9cc9,
-      "darken": #6b3f89,
-      "lighten": #ebe8f6
-    ),
-    "file-setup-pipeline": (
-      "base": #d5dc95,
-      "darken": #a1b300,
-      "lighten": #f2f3e1
-    ),
-    "spacy-nlp-pipeline": (
-      "base": #98acd2,
-      "darken": #0064a3,
-      "lighten": #e5e8f5
-    ),
-    "tesseract-ocr-pipeline": (
-      "base": #a9d8c8,
-      "darken": #00a58b,
-      "lighten": #e7f4f1
-    ),
-    "transkribus-htr-pipeline": (
-      "base": #607d8b,
-      "darken": #37474f,
-      "lighten": #cfd8dc
-    )
-  ),
-  "status": (
-    "corpus": (
-      "UNPREPARED": #9e9e9e,
-      "QUEUED": #2196f3,
-      "BUILDING": #ffc107,
-      "BUILT": #4caf50,
-      "FAILED": #f44336,
-      "STARTING_ANALYSIS_SESSION": #2196f3,
-      "RUNNING_ANALYSIS_SESSION": #4caf50,
-      "CANCELING_ANALYSIS_SESSION": #ff5722
-    ),
-    "job": (
-      "INITIALIZING": #9e9e9e,
-      "SUBMITTED": #9e9e9e,
-      "QUEUED": #2196f3,
-      "RUNNING": #ffc107,
-      "CANCELING": #ff5722,
-      "CANCELED": #ff5722,
-      "COMPLETED": #4caf50,
-      "FAILED": #f44336
-    )
-  ),
-  "s-attr": (
-    "PERSON": #a6e22d,
-    "PER": #a6e22d,
-    "NORP": #ef60b4,
-    "FACILITY": #43c6fc,
-    "ORG": #43c6fc,
-    "GPE": #fd9720,
-    "LOC": #fd9720,
-    "PRODUCT": #a99dfb,
-    "MISC": #a99dfb,
-    "EVENT": #fc0,
-    "WORK_OF_ART": #fc0,
-    "LANGUAGE": #fc0,
-    "DATE": #2fbbab,
-    "TIME": #2fbbab,
-    "PERCENT": #bbb,
-    "MONEY": #bbb,
-    "QUANTITY": #bbb,
-    "ORDINAL": #bbb,
-    "CARDINAL": #bbb
-  )
-);
-
-@each $key, $color-code in map-get($color, "baseline") {
-  .#{$key}-color {
-    background-color: $color-code !important;
-  }
-
-  .#{$key}-color-border {
-    border-color: $color-code !important;
-  }
-
-  .#{$key}-color-text {
-    color: $color-code !important;
-  }
-}
-
-@each $key, $color-code in map-get($color, "social-area") {
-  .social-area-color-#{$key} {
-    background-color: $color-code !important;
-  }
-
-  .social-area-color-border-#{$key} {
-    border-color: $color-code !important;
-  }
-}
-
-@each $service-name, $color-palette in map-get($color, "service") {
-  .service-color[data-service="#{$service-name}"] {
-    background-color: map-get($color-palette, "base") !important;
-
-    &.darken {
-      background-color: map-get($color-palette, "darken") !important;
-    }
-
-    &.lighten {
-      background-color: map-get($color-palette, "lighten") !important;
-    }
-  }
-
-  .service-color-border[data-service="#{$service-name}"] {
-    border-color: map-get($color-palette, "base") !important;
-
-    &.border-darken {
-      border-color: map-get($color-palette, "darken") !important;
-    }
-
-    &.border-lighten {
-      border-color: map-get($color-palette, "lighten") !important;
-    }
-  }
-
-  .service-color-text[data-service="#{$service-name}"] {
-    color: map-get($color-palette, "base") !important;
-
-    &.text-darken {
-      color: map-get($color-palette, "darken") !important;
-    }
-
-    &.text-lighten {
-      color: map-get($color-palette, "lighten") !important;
-    }
-  }
-
-  .service-scheme[data-service="#{$service-name}"] {
-    background-color: map-get($color-palette, "lighten");
-
-    .btn, .btn-small, .btn-large, .btn-floating {
-      background-color: map-get($color-palette, "darken");
-
-      &:hover {
-        background-color: map-get($color-palette, "base");
-      }
-    }
-
-    .pagination {
-      li.active {
-        background-color: map-get($color-palette, "darken");
-      }
-    }
-
-    .table-of-contents {
-      a.active, a:hover {
-        border-color: map-get($color-palette, "darken");
-      }
-    }
-
-    .tabs {
-      .tab {
-        &.disabled {
-          a {
-            color: inherit;
-
-            &:hover {
-              color: change-color(map-get($color-palette, "darken"), $alpha: 0.15);
-            }
-          }
-        }
-
-        a {
-          color: inherit;
-
-          &:focus, &:hover, &.active {
-            color: map-get($color-palette, "darken");
-          }
-
-          &:focus, &.active, &.active:focus {
-            background-color: change-color(map-get($color-palette, "darken"), $alpha: 0.15);
-          }
-        }
-      }
-      .indicator {
-        background-color: map-get($color-palette, "darken");
-      }
-    }
-  }
-}
-
-@each $ressource-name, $color-palette in map-get($color, "status") {
-  @each $key, $color-code in $color-palette {
-    .#{$ressource-name}-status-color[data-status="#{$key}"] {
-      background-color: $color-code !important;
-    }
-
-    .#{$ressource-name}-status-color-border[data-status="#{$key}"] {
-      border-color: $color-code !important;
-    }
-
-    .#{$ressource-name}-status-color-text[data-status="#{$key}"] {
-      color: $color-code !important;
-    }
-  }
-}
-
-
-@each $key, $color-code in map-get($color, "s-attr") {
-  .chip.s-attr[data-s-attr-type="ent"][data-s-attr-ent-type="#{$key}"] {
-    background-color: $color-code !important;
-  }
-}
-
-
-main {
-  .btn, .btn-small, .btn-large, .btn-floating {
-    background-color: map-deep-get($color, "baseline", "secondary");
-
-    &:hover {
-      background-color: map-deep-get($color, "baseline", "secondary-variant");
-    }
-  }
-
-  .pagination {
-    li.active {
-      background-color: map-deep-get($color, "baseline", "secondary");
-    }
-  }
-
-  .table-of-contents {
-    a.active, a:hover {
-      border-color: map-deep-get($color, "baseline", "secondary");
-    }
-  }
-
-  .tabs {
-    .tab {
-      &.disabled {
-        a {
-          color: inherit;
-
-          &:hover {
-            color: change-color(map-deep-get($color, "baseline", "secondary"), $alpha: 0.15);
-          }
-        }
-      }
-
-      a {
-        color: inherit;
-
-        &:focus, &:hover, &.active {
-          color: map-deep-get($color, "baseline", "secondary");
-        }
-
-        &:focus, &.active, &.active:focus {
-          background-color: change-color(map-deep-get($color, "baseline", "secondary"), $alpha: 0.15);
-        }
-      }
-    }
-    .indicator {
-      background-color: map-deep-get($color, "baseline", "secondary");
-    }
-  }
-}

app/static/css/materialize/fixes.css

@@ -1,8 +0,0 @@
-.parallax-container .parallax {
-  z-index: 0;
-}
-
-.autocomplete-content {
-  width: 100% !important;
-  left: 0 !important;
-}

app/static/css/materialize/sidenav_fixed.css

@@ -1,12 +0,0 @@
-/*
- * The sidenav-fixed class is used which causes the sidenav to be fixed and open
- * on large screens and hides to the regular functionality on smaller screens.
- * In order to prevent the sidenav to overlap the content, the content (in our
- * case header, main and footer) gets an offset equal to the width of the
- * sidenav.
- */
-@media only screen and (min-width : 993px) {
-  header, main, footer {padding-left: 300px;}
-  .modal:not(.bottom-sheet) {left: 300px;}
-  .navbar-fixed > nav {width: calc(100% - 300px)}
-}

app/static/css/style.css

@@ -1,67 +0,0 @@
-/* Change navbar height bacause an extended and fixed navbar is used */
-.navbar-fixed {
-  height: 112px;
-}
-
-/* Change placholdertext color of file uplaod fields */
-::placeholder {
-  color: #9e9e9e;
-  opacity: 1;
-}
-
-/*
- * changes preoloader size etc. to fit visually better with the chip status
- * indicator of jobs
- */
-.status-spinner {
-  margin-bottom: -10px;
-  width: 30px !important;
-  height: 30px !important;
-}
-
-#manual-modal .manual-chapter-title {
-  display: none;
-}
-
-.show-if-only-child:not(:only-child) {
-  display: none !important;
-}
-
-.btn-scale-x2 {
-  transform: scale(2);
-}
-
-.btn-scale-x2 .nopaque-icons.service-icons {
-  font-size: 2.5rem;
-}
-
-/* Fix material icon vertical alignment when nested in various elements */
-h1 .nopaque-icons, h2 .nopaque-icons, h3 .nopaque-icons, h4 .nopaque-icons, .tab .nopaque-icons, .tab .material-icons {
-  line-height: inherit;
-}
-
-
-.corpus-status-text, .job-status-text {text-transform: lowercase;}
-.corpus-status-text[data-status]:empty::before, .job-status-text[data-status]:empty::before {content: attr(data-status);}
-
-.service-scheme[data-service="file-setup-pipeline"] .nopaque-icons.service-icons[data-service="inherit"]:empty::before {content: "E";}
-.service-scheme[data-service="tesseract-ocr-pipeline"] .nopaque-icons.service-icons[data-service="inherit"]:empty::before {content: "F";}
-.service-scheme[data-service="transkribus-htr-pipeline"] .nopaque-icons.service-icons[data-service="inherit"]:empty::before {content: "F";}
-.service-scheme[data-service="spacy-nlp-pipeline"] .nopaque-icons.service-icons[data-service="inherit"]:empty::before {content: "G";}
-.service-scheme[data-service="corpus-analysis"] .nopaque-icons.service-icons[data-service="inherit"]:empty::before {content: "H";}
-
-.nopaque-icons.service-icons[data-service="file-setup-pipeline"]:empty::before {content: "E";}
-.nopaque-icons.service-icons[data-service="tesseract-ocr-pipeline"]:empty::before {content: "F";}
-.nopaque-icons.service-icons[data-service="transkribus-htr-pipeline"]:empty::before {content: "F";}
-.nopaque-icons.service-icons[data-service="spacy-nlp-pipeline"]:empty::before {content: "G";}
-.nopaque-icons.service-icons[data-service="corpus-analysis"]:empty::before {content: "H";}
-
-[draggable="true"] {cursor: move !important;}
-.clickable {cursor: pointer !important;}
-.chip.s-attr .chip.p-attr {background-color: inherit;}
-
-
-.width-25 {width: 25%;}
-.width-50 {width: 50%;}
-.width-75 {width: 75%;}
-.width-100 {width: 100%;}

app/static/external/JSON-Patch/LICENSE

@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2013, 2014, 2020 Joachim Wester
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

app/static/external/JSON-Patch/VERSION

@@ -0,0 +1 @@
+3.1.1

app/static/external/JSON-Patch/js/fast-json-patch.js

@@ -0,0 +1,928 @@
+/*! fast-json-patch, version: 3.1.1 */
+var jsonpatch =
+/******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
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+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports) {
+
+/*!
+ * https://github.com/Starcounter-Jack/JSON-Patch
+ * (c) 2017-2022 Joachim Wester
+ * MIT licensed
+ */
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var _hasOwnProperty = Object.prototype.hasOwnProperty;
+function hasOwnProperty(obj, key) {
+    return _hasOwnProperty.call(obj, key);
+}
+exports.hasOwnProperty = hasOwnProperty;
+function _objectKeys(obj) {
+    if (Array.isArray(obj)) {
+        var keys_1 = new Array(obj.length);
+        for (var k = 0; k < keys_1.length; k++) {
+            keys_1[k] = "" + k;
+        }
+        return keys_1;
+    }
+    if (Object.keys) {
+        return Object.keys(obj);
+    }
+    var keys = [];
+    for (var i in obj) {
+        if (hasOwnProperty(obj, i)) {
+            keys.push(i);
+        }
+    }
+    return keys;
+}
+exports._objectKeys = _objectKeys;
+;
+/**
+* Deeply clone the object.
+* https://jsperf.com/deep-copy-vs-json-stringify-json-parse/25 (recursiveDeepCopy)
+* @param  {any} obj value to clone
+* @return {any} cloned obj
+*/
+function _deepClone(obj) {
+    switch (typeof obj) {
+        case "object":
+            return JSON.parse(JSON.stringify(obj)); //Faster than ES5 clone - http://jsperf.com/deep-cloning-of-objects/5
+        case "undefined":
+            return null; //this is how JSON.stringify behaves for array items
+        default:
+            return obj; //no need to clone primitives
+    }
+}
+exports._deepClone = _deepClone;
+//3x faster than cached /^\d+$/.test(str)
+function isInteger(str) {
+    var i = 0;
+    var len = str.length;
+    var charCode;
+    while (i < len) {
+        charCode = str.charCodeAt(i);
+        if (charCode >= 48 && charCode <= 57) {
+            i++;
+            continue;
+        }
+        return false;
+    }
+    return true;
+}
+exports.isInteger = isInteger;
+/**
+* Escapes a json pointer path
+* @param path The raw pointer
+* @return the Escaped path
+*/
+function escapePathComponent(path) {
+    if (path.indexOf('/') === -1 && path.indexOf('~') === -1)
+        return path;
+    return path.replace(/~/g, '~0').replace(/\//g, '~1');
+}
+exports.escapePathComponent = escapePathComponent;
+/**
+ * Unescapes a json pointer path
+ * @param path The escaped pointer
+ * @return The unescaped path
+ */
+function unescapePathComponent(path) {
+    return path.replace(/~1/g, '/').replace(/~0/g, '~');
+}
+exports.unescapePathComponent = unescapePathComponent;
+function _getPathRecursive(root, obj) {
+    var found;
+    for (var key in root) {
+        if (hasOwnProperty(root, key)) {
+            if (root[key] === obj) {
+                return escapePathComponent(key) + '/';
+            }
+            else if (typeof root[key] === 'object') {
+                found = _getPathRecursive(root[key], obj);
+                if (found != '') {
+                    return escapePathComponent(key) + '/' + found;
+                }
+            }
+        }
+    }
+    return '';
+}
+exports._getPathRecursive = _getPathRecursive;
+function getPath(root, obj) {
+    if (root === obj) {
+        return '/';
+    }
+    var path = _getPathRecursive(root, obj);
+    if (path === '') {
+        throw new Error("Object not found in root");
+    }
+    return "/" + path;
+}
+exports.getPath = getPath;
+/**
+* Recursively checks whether an object has any undefined values inside.
+*/
+function hasUndefined(obj) {
+    if (obj === undefined) {
+        return true;
+    }
+    if (obj) {
+        if (Array.isArray(obj)) {
+            for (var i_1 = 0, len = obj.length; i_1 < len; i_1++) {
+                if (hasUndefined(obj[i_1])) {
+                    return true;
+                }
+            }
+        }
+        else if (typeof obj === "object") {
+            var objKeys = _objectKeys(obj);
+            var objKeysLength = objKeys.length;
+            for (var i = 0; i < objKeysLength; i++) {
+                if (hasUndefined(obj[objKeys[i]])) {
+                    return true;
+                }
+            }
+        }
+    }
+    return false;
+}
+exports.hasUndefined = hasUndefined;
+function patchErrorMessageFormatter(message, args) {
+    var messageParts = [message];
+    for (var key in args) {
+        var value = typeof args[key] === 'object' ? JSON.stringify(args[key], null, 2) : args[key]; // pretty print
+        if (typeof value !== 'undefined') {
+            messageParts.push(key + ": " + value);
+        }
+    }
+    return messageParts.join('\n');
+}
+var PatchError = /** @class */ (function (_super) {
+    __extends(PatchError, _super);
+    function PatchError(message, name, index, operation, tree) {
+        var _newTarget = this.constructor;
+        var _this = _super.call(this, patchErrorMessageFormatter(message, { name: name, index: index, operation: operation, tree: tree })) || this;
+        _this.name = name;
+        _this.index = index;
+        _this.operation = operation;
+        _this.tree = tree;
+        Object.setPrototypeOf(_this, _newTarget.prototype); // restore prototype chain, see https://stackoverflow.com/a/48342359
+        _this.message = patchErrorMessageFormatter(message, { name: name, index: index, operation: operation, tree: tree });
+        return _this;
+    }
+    return PatchError;
+}(Error));
+exports.PatchError = PatchError;
+
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __webpack_require__) {
+
+Object.defineProperty(exports, "__esModule", { value: true });
+var helpers_js_1 = __webpack_require__(0);
+exports.JsonPatchError = helpers_js_1.PatchError;
+exports.deepClone = helpers_js_1._deepClone;
+/* We use a Javascript hash to store each
+ function. Each hash entry (property) uses
+ the operation identifiers specified in rfc6902.
+ In this way, we can map each patch operation
+ to its dedicated function in efficient way.
+ */
+/* The operations applicable to an object */
+var objOps = {
+    add: function (obj, key, document) {
+        obj[key] = this.value;
+        return { newDocument: document };
+    },
+    remove: function (obj, key, document) {
+        var removed = obj[key];
+        delete obj[key];
+        return { newDocument: document, removed: removed };
+    },
+    replace: function (obj, key, document) {
+        var removed = obj[key];
+        obj[key] = this.value;
+        return { newDocument: document, removed: removed };
+    },
+    move: function (obj, key, document) {
+        /* in case move target overwrites an existing value,
+        return the removed value, this can be taxing performance-wise,
+        and is potentially unneeded */
+        var removed = getValueByPointer(document, this.path);
+        if (removed) {
+            removed = helpers_js_1._deepClone(removed);
+        }
+        var originalValue = applyOperation(document, { op: "remove", path: this.from }).removed;
+        applyOperation(document, { op: "add", path: this.path, value: originalValue });
+        return { newDocument: document, removed: removed };
+    },
+    copy: function (obj, key, document) {
+        var valueToCopy = getValueByPointer(document, this.from);
+        // enforce copy by value so further operations don't affect source (see issue #177)
+        applyOperation(document, { op: "add", path: this.path, value: helpers_js_1._deepClone(valueToCopy) });
+        return { newDocument: document };
+    },
+    test: function (obj, key, document) {
+        return { newDocument: document, test: _areEquals(obj[key], this.value) };
+    },
+    _get: function (obj, key, document) {
+        this.value = obj[key];
+        return { newDocument: document };
+    }
+};
+/* The operations applicable to an array. Many are the same as for the object */
+var arrOps = {
+    add: function (arr, i, document) {
+        if (helpers_js_1.isInteger(i)) {
+            arr.splice(i, 0, this.value);
+        }
+        else { // array props
+            arr[i] = this.value;
+        }
+        // this may be needed when using '-' in an array
+        return { newDocument: document, index: i };
+    },
+    remove: function (arr, i, document) {
+        var removedList = arr.splice(i, 1);
+        return { newDocument: document, removed: removedList[0] };
+    },
+    replace: function (arr, i, document) {
+        var removed = arr[i];
+        arr[i] = this.value;
+        return { newDocument: document, removed: removed };
+    },
+    move: objOps.move,
+    copy: objOps.copy,
+    test: objOps.test,
+    _get: objOps._get
+};
+/**
+ * Retrieves a value from a JSON document by a JSON pointer.
+ * Returns the value.
+ *
+ * @param document The document to get the value from
+ * @param pointer an escaped JSON pointer
+ * @return The retrieved value
+ */
+function getValueByPointer(document, pointer) {
+    if (pointer == '') {
+        return document;
+    }
+    var getOriginalDestination = { op: "_get", path: pointer };
+    applyOperation(document, getOriginalDestination);
+    return getOriginalDestination.value;
+}
+exports.getValueByPointer = getValueByPointer;
+/**
+ * Apply a single JSON Patch Operation on a JSON document.
+ * Returns the {newDocument, result} of the operation.
+ * It modifies the `document` and `operation` objects - it gets the values by reference.
+ * If you would like to avoid touching your values, clone them:
+ * `jsonpatch.applyOperation(document, jsonpatch._deepClone(operation))`.
+ *
+ * @param document The document to patch
+ * @param operation The operation to apply
+ * @param validateOperation `false` is without validation, `true` to use default jsonpatch's validation, or you can pass a `validateOperation` callback to be used for validation.
+ * @param mutateDocument Whether to mutate the original document or clone it before applying
+ * @param banPrototypeModifications Whether to ban modifications to `__proto__`, defaults to `true`.
+ * @return `{newDocument, result}` after the operation
+ */
+function applyOperation(document, operation, validateOperation, mutateDocument, banPrototypeModifications, index) {
+    if (validateOperation === void 0) { validateOperation = false; }
+    if (mutateDocument === void 0) { mutateDocument = true; }
+    if (banPrototypeModifications === void 0) { banPrototypeModifications = true; }
+    if (index === void 0) { index = 0; }
+    if (validateOperation) {
+        if (typeof validateOperation == 'function') {
+            validateOperation(operation, 0, document, operation.path);
+        }
+        else {
+            validator(operation, 0);
+        }
+    }
+    /* ROOT OPERATIONS */
+    if (operation.path === "") {
+        var returnValue = { newDocument: document };
+        if (operation.op === 'add') {
+            returnValue.newDocument = operation.value;
+            return returnValue;
+        }
+        else if (operation.op === 'replace') {
+            returnValue.newDocument = operation.value;
+            returnValue.removed = document; //document we removed
+            return returnValue;
+        }
+        else if (operation.op === 'move' || operation.op === 'copy') { // it's a move or copy to root
+            returnValue.newDocument = getValueByPointer(document, operation.from); // get the value by json-pointer in `from` field
+            if (operation.op === 'move') { // report removed item
+                returnValue.removed = document;
+            }
+            return returnValue;
+        }
+        else if (operation.op === 'test') {
+            returnValue.test = _areEquals(document, operation.value);
+            if (returnValue.test === false) {
+                throw new exports.JsonPatchError("Test operation failed", 'TEST_OPERATION_FAILED', index, operation, document);
+            }
+            returnValue.newDocument = document;
+            return returnValue;
+        }
+        else if (operation.op === 'remove') { // a remove on root
+            returnValue.removed = document;
+            returnValue.newDocument = null;
+            return returnValue;
+        }
+        else if (operation.op === '_get') {
+            operation.value = document;
+            return returnValue;
+        }
+        else { /* bad operation */
+            if (validateOperation) {
+                throw new exports.JsonPatchError('Operation `op` property is not one of operations defined in RFC-6902', 'OPERATION_OP_INVALID', index, operation, document);
+            }
+            else {
+                return returnValue;
+            }
+        }
+    } /* END ROOT OPERATIONS */
+    else {
+        if (!mutateDocument) {
+            document = helpers_js_1._deepClone(document);
+        }
+        var path = operation.path || "";
+        var keys = path.split('/');
+        var obj = document;
+        var t = 1; //skip empty element - http://jsperf.com/to-shift-or-not-to-shift
+        var len = keys.length;
+        var existingPathFragment = undefined;
+        var key = void 0;
+        var validateFunction = void 0;
+        if (typeof validateOperation == 'function') {
+            validateFunction = validateOperation;
+        }
+        else {
+            validateFunction = validator;
+        }
+        while (true) {
+            key = keys[t];
+            if (key && key.indexOf('~') != -1) {
+                key = helpers_js_1.unescapePathComponent(key);
+            }
+            if (banPrototypeModifications &&
+                (key == '__proto__' ||
+                    (key == 'prototype' && t > 0 && keys[t - 1] == 'constructor'))) {
+                throw new TypeError('JSON-Patch: modifying `__proto__` or `constructor/prototype` prop is banned for security reasons, if this was on purpose, please set `banPrototypeModifications` flag false and pass it to this function. More info in fast-json-patch README');
+            }
+            if (validateOperation) {
+                if (existingPathFragment === undefined) {
+                    if (obj[key] === undefined) {
+                        existingPathFragment = keys.slice(0, t).join('/');
+                    }
+                    else if (t == len - 1) {
+                        existingPathFragment = operation.path;
+                    }
+                    if (existingPathFragment !== undefined) {
+                        validateFunction(operation, 0, document, existingPathFragment);
+                    }
+                }
+            }
+            t++;
+            if (Array.isArray(obj)) {
+                if (key === '-') {
+                    key = obj.length;
+                }
+                else {
+                    if (validateOperation && !helpers_js_1.isInteger(key)) {
+                        throw new exports.JsonPatchError("Expected an unsigned base-10 integer value, making the new referenced value the array element with the zero-based index", "OPERATION_PATH_ILLEGAL_ARRAY_INDEX", index, operation, document);
+                    } // only parse key when it's an integer for `arr.prop` to work
+                    else if (helpers_js_1.isInteger(key)) {
+                        key = ~~key;
+                    }
+                }
+                if (t >= len) {
+                    if (validateOperation && operation.op === "add" && key > obj.length) {
+                        throw new exports.JsonPatchError("The specified index MUST NOT be greater than the number of elements in the array", "OPERATION_VALUE_OUT_OF_BOUNDS", index, operation, document);
+                    }
+                    var returnValue = arrOps[operation.op].call(operation, obj, key, document); // Apply patch
+                    if (returnValue.test === false) {
+                        throw new exports.JsonPatchError("Test operation failed", 'TEST_OPERATION_FAILED', index, operation, document);
+                    }
+                    return returnValue;
+                }
+            }
+            else {
+                if (t >= len) {
+                    var returnValue = objOps[operation.op].call(operation, obj, key, document); // Apply patch
+                    if (returnValue.test === false) {
+                        throw new exports.JsonPatchError("Test operation failed", 'TEST_OPERATION_FAILED', index, operation, document);
+                    }
+                    return returnValue;
+                }
+            }
+            obj = obj[key];
+            // If we have more keys in the path, but the next value isn't a non-null object,
+            // throw an OPERATION_PATH_UNRESOLVABLE error instead of iterating again.
+            if (validateOperation && t < len && (!obj || typeof obj !== "object")) {
+                throw new exports.JsonPatchError('Cannot perform operation at the desired path', 'OPERATION_PATH_UNRESOLVABLE', index, operation, document);
+            }
+        }
+    }
+}
+exports.applyOperation = applyOperation;
+/**
+ * Apply a full JSON Patch array on a JSON document.
+ * Returns the {newDocument, result} of the patch.
+ * It modifies the `document` object and `patch` - it gets the values by reference.
+ * If you would like to avoid touching your values, clone them:
+ * `jsonpatch.applyPatch(document, jsonpatch._deepClone(patch))`.
+ *
+ * @param document The document to patch
+ * @param patch The patch to apply
+ * @param validateOperation `false` is without validation, `true` to use default jsonpatch's validation, or you can pass a `validateOperation` callback to be used for validation.
+ * @param mutateDocument Whether to mutate the original document or clone it before applying
+ * @param banPrototypeModifications Whether to ban modifications to `__proto__`, defaults to `true`.
+ * @return An array of `{newDocument, result}` after the patch
+ */
+function applyPatch(document, patch, validateOperation, mutateDocument, banPrototypeModifications) {
+    if (mutateDocument === void 0) { mutateDocument = true; }
+    if (banPrototypeModifications === void 0) { banPrototypeModifications = true; }
+    if (validateOperation) {
+        if (!Array.isArray(patch)) {
+            throw new exports.JsonPatchError('Patch sequence must be an array', 'SEQUENCE_NOT_AN_ARRAY');
+        }
+    }
+    if (!mutateDocument) {
+        document = helpers_js_1._deepClone(document);
+    }
+    var results = new Array(patch.length);
+    for (var i = 0, length_1 = patch.length; i < length_1; i++) {
+        // we don't need to pass mutateDocument argument because if it was true, we already deep cloned the object, we'll just pass `true`
+        results[i] = applyOperation(document, patch[i], validateOperation, true, banPrototypeModifications, i);
+        document = results[i].newDocument; // in case root was replaced
+    }
+    results.newDocument = document;
+    return results;
+}
+exports.applyPatch = applyPatch;
+/**
+ * Apply a single JSON Patch Operation on a JSON document.
+ * Returns the updated document.
+ * Suitable as a reducer.
+ *
+ * @param document The document to patch
+ * @param operation The operation to apply
+ * @return The updated document
+ */
+function applyReducer(document, operation, index) {
+    var operationResult = applyOperation(document, operation);
+    if (operationResult.test === false) { // failed test
+        throw new exports.JsonPatchError("Test operation failed", 'TEST_OPERATION_FAILED', index, operation, document);
+    }
+    return operationResult.newDocument;
+}
+exports.applyReducer = applyReducer;
+/**
+ * Validates a single operation. Called from `jsonpatch.validate`. Throws `JsonPatchError` in case of an error.
+ * @param {object} operation - operation object (patch)
+ * @param {number} index - index of operation in the sequence
+ * @param {object} [document] - object where the operation is supposed to be applied
+ * @param {string} [existingPathFragment] - comes along with `document`
+ */
+function validator(operation, index, document, existingPathFragment) {
+    if (typeof operation !== 'object' || operation === null || Array.isArray(operation)) {
+        throw new exports.JsonPatchError('Operation is not an object', 'OPERATION_NOT_AN_OBJECT', index, operation, document);
+    }
+    else if (!objOps[operation.op]) {
+        throw new exports.JsonPatchError('Operation `op` property is not one of operations defined in RFC-6902', 'OPERATION_OP_INVALID', index, operation, document);
+    }
+    else if (typeof operation.path !== 'string') {
+        throw new exports.JsonPatchError('Operation `path` property is not a string', 'OPERATION_PATH_INVALID', index, operation, document);
+    }
+    else if (operation.path.indexOf('/') !== 0 && operation.path.length > 0) {
+        // paths that aren't empty string should start with "/"
+        throw new exports.JsonPatchError('Operation `path` property must start with "/"', 'OPERATION_PATH_INVALID', index, operation, document);
+    }
+    else if ((operation.op === 'move' || operation.op === 'copy') && typeof operation.from !== 'string') {
+        throw new exports.JsonPatchError('Operation `from` property is not present (applicable in `move` and `copy` operations)', 'OPERATION_FROM_REQUIRED', index, operation, document);
+    }
+    else if ((operation.op === 'add' || operation.op === 'replace' || operation.op === 'test') && operation.value === undefined) {
+        throw new exports.JsonPatchError('Operation `value` property is not present (applicable in `add`, `replace` and `test` operations)', 'OPERATION_VALUE_REQUIRED', index, operation, document);
+    }
+    else if ((operation.op === 'add' || operation.op === 'replace' || operation.op === 'test') && helpers_js_1.hasUndefined(operation.value)) {
+        throw new exports.JsonPatchError('Operation `value` property is not present (applicable in `add`, `replace` and `test` operations)', 'OPERATION_VALUE_CANNOT_CONTAIN_UNDEFINED', index, operation, document);
+    }
+    else if (document) {
+        if (operation.op == "add") {
+            var pathLen = operation.path.split("/").length;
+            var existingPathLen = existingPathFragment.split("/").length;
+            if (pathLen !== existingPathLen + 1 && pathLen !== existingPathLen) {
+                throw new exports.JsonPatchError('Cannot perform an `add` operation at the desired path', 'OPERATION_PATH_CANNOT_ADD', index, operation, document);
+            }
+        }
+        else if (operation.op === 'replace' || operation.op === 'remove' || operation.op === '_get') {
+            if (operation.path !== existingPathFragment) {
+                throw new exports.JsonPatchError('Cannot perform the operation at a path that does not exist', 'OPERATION_PATH_UNRESOLVABLE', index, operation, document);
+            }
+        }
+        else if (operation.op === 'move' || operation.op === 'copy') {
+            var existingValue = { op: "_get", path: operation.from, value: undefined };
+            var error = validate([existingValue], document);
+            if (error && error.name === 'OPERATION_PATH_UNRESOLVABLE') {
+                throw new exports.JsonPatchError('Cannot perform the operation from a path that does not exist', 'OPERATION_FROM_UNRESOLVABLE', index, operation, document);
+            }
+        }
+    }
+}
+exports.validator = validator;
+/**
+ * Validates a sequence of operations. If `document` parameter is provided, the sequence is additionally validated against the object document.
+ * If error is encountered, returns a JsonPatchError object
+ * @param sequence
+ * @param document
+ * @returns {JsonPatchError|undefined}
+ */
+function validate(sequence, document, externalValidator) {
+    try {
+        if (!Array.isArray(sequence)) {
+            throw new exports.JsonPatchError('Patch sequence must be an array', 'SEQUENCE_NOT_AN_ARRAY');
+        }
+        if (document) {
+            //clone document and sequence so that we can safely try applying operations
+            applyPatch(helpers_js_1._deepClone(document), helpers_js_1._deepClone(sequence), externalValidator || true);
+        }
+        else {
+            externalValidator = externalValidator || validator;
+            for (var i = 0; i < sequence.length; i++) {
+                externalValidator(sequence[i], i, document, undefined);
+            }
+        }
+    }
+    catch (e) {
+        if (e instanceof exports.JsonPatchError) {
+            return e;
+        }
+        else {
+            throw e;
+        }
+    }
+}
+exports.validate = validate;
+// based on https://github.com/epoberezkin/fast-deep-equal
+// MIT License
+// Copyright (c) 2017 Evgeny Poberezkin
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+function _areEquals(a, b) {
+    if (a === b)
+        return true;
+    if (a && b && typeof a == 'object' && typeof b == 'object') {
+        var arrA = Array.isArray(a), arrB = Array.isArray(b), i, length, key;
+        if (arrA && arrB) {
+            length = a.length;
+            if (length != b.length)
+                return false;
+            for (i = length; i-- !== 0;)
+                if (!_areEquals(a[i], b[i]))
+                    return false;
+            return true;
+        }
+        if (arrA != arrB)
+            return false;
+        var keys = Object.keys(a);
+        length = keys.length;
+        if (length !== Object.keys(b).length)
+            return false;
+        for (i = length; i-- !== 0;)
+            if (!b.hasOwnProperty(keys[i]))
+                return false;
+        for (i = length; i-- !== 0;) {
+            key = keys[i];
+            if (!_areEquals(a[key], b[key]))
+                return false;
+        }
+        return true;
+    }
+    return a !== a && b !== b;
+}
+exports._areEquals = _areEquals;
+;
+
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __webpack_require__) {
+
+var core = __webpack_require__(1);
+Object.assign(exports, core);
+
+var duplex = __webpack_require__(3);
+Object.assign(exports, duplex);
+
+var helpers = __webpack_require__(0);
+exports.JsonPatchError = helpers.PatchError;
+exports.deepClone = helpers._deepClone;
+exports.escapePathComponent = helpers.escapePathComponent;
+exports.unescapePathComponent = helpers.unescapePathComponent;
+
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __webpack_require__) {
+
+Object.defineProperty(exports, "__esModule", { value: true });
+/*!
+ * https://github.com/Starcounter-Jack/JSON-Patch
+ * (c) 2017-2021 Joachim Wester
+ * MIT license
+ */
+var helpers_js_1 = __webpack_require__(0);
+var core_js_1 = __webpack_require__(1);
+var beforeDict = new WeakMap();
+var Mirror = /** @class */ (function () {
+    function Mirror(obj) {
+        this.observers = new Map();
+        this.obj = obj;
+    }
+    return Mirror;
+}());
+var ObserverInfo = /** @class */ (function () {
+    function ObserverInfo(callback, observer) {
+        this.callback = callback;
+        this.observer = observer;
+    }
+    return ObserverInfo;
+}());
+function getMirror(obj) {
+    return beforeDict.get(obj);
+}
+function getObserverFromMirror(mirror, callback) {
+    return mirror.observers.get(callback);
+}
+function removeObserverFromMirror(mirror, observer) {
+    mirror.observers.delete(observer.callback);
+}
+/**
+ * Detach an observer from an object
+ */
+function unobserve(root, observer) {
+    observer.unobserve();
+}
+exports.unobserve = unobserve;
+/**
+ * Observes changes made to an object, which can then be retrieved using generate
+ */
+function observe(obj, callback) {
+    var patches = [];
+    var observer;
+    var mirror = getMirror(obj);
+    if (!mirror) {
+        mirror = new Mirror(obj);
+        beforeDict.set(obj, mirror);
+    }
+    else {
+        var observerInfo = getObserverFromMirror(mirror, callback);
+        observer = observerInfo && observerInfo.observer;
+    }
+    if (observer) {
+        return observer;
+    }
+    observer = {};
+    mirror.value = helpers_js_1._deepClone(obj);
+    if (callback) {
+        observer.callback = callback;
+        observer.next = null;
+        var dirtyCheck = function () {
+            generate(observer);
+        };
+        var fastCheck = function () {
+            clearTimeout(observer.next);
+            observer.next = setTimeout(dirtyCheck);
+        };
+        if (typeof window !== 'undefined') { //not Node
+            window.addEventListener('mouseup', fastCheck);
+            window.addEventListener('keyup', fastCheck);
+            window.addEventListener('mousedown', fastCheck);
+            window.addEventListener('keydown', fastCheck);
+            window.addEventListener('change', fastCheck);
+        }
+    }
+    observer.patches = patches;
+    observer.object = obj;
+    observer.unobserve = function () {
+        generate(observer);
+        clearTimeout(observer.next);
+        removeObserverFromMirror(mirror, observer);
+        if (typeof window !== 'undefined') {
+            window.removeEventListener('mouseup', fastCheck);
+            window.removeEventListener('keyup', fastCheck);
+            window.removeEventListener('mousedown', fastCheck);
+            window.removeEventListener('keydown', fastCheck);
+            window.removeEventListener('change', fastCheck);
+        }
+    };
+    mirror.observers.set(callback, new ObserverInfo(callback, observer));
+    return observer;
+}
+exports.observe = observe;
+/**
+ * Generate an array of patches from an observer
+ */
+function generate(observer, invertible) {
+    if (invertible === void 0) { invertible = false; }
+    var mirror = beforeDict.get(observer.object);
+    _generate(mirror.value, observer.object, observer.patches, "", invertible);
+    if (observer.patches.length) {
+        core_js_1.applyPatch(mirror.value, observer.patches);
+    }
+    var temp = observer.patches;
+    if (temp.length > 0) {
+        observer.patches = [];
+        if (observer.callback) {
+            observer.callback(temp);
+        }
+    }
+    return temp;
+}
+exports.generate = generate;
+// Dirty check if obj is different from mirror, generate patches and update mirror
+function _generate(mirror, obj, patches, path, invertible) {
+    if (obj === mirror) {
+        return;
+    }
+    if (typeof obj.toJSON === "function") {
+        obj = obj.toJSON();
+    }
+    var newKeys = helpers_js_1._objectKeys(obj);
+    var oldKeys = helpers_js_1._objectKeys(mirror);
+    var changed = false;
+    var deleted = false;
+    //if ever "move" operation is implemented here, make sure this test runs OK: "should not generate the same patch twice (move)"
+    for (var t = oldKeys.length - 1; t >= 0; t--) {
+        var key = oldKeys[t];
+        var oldVal = mirror[key];
+        if (helpers_js_1.hasOwnProperty(obj, key) && !(obj[key] === undefined && oldVal !== undefined && Array.isArray(obj) === false)) {
+            var newVal = obj[key];
+            if (typeof oldVal == "object" && oldVal != null && typeof newVal == "object" && newVal != null && Array.isArray(oldVal) === Array.isArray(newVal)) {
+                _generate(oldVal, newVal, patches, path + "/" + helpers_js_1.escapePathComponent(key), invertible);
+            }
+            else {
+                if (oldVal !== newVal) {
+                    changed = true;
+                    if (invertible) {
+                        patches.push({ op: "test", path: path + "/" + helpers_js_1.escapePathComponent(key), value: helpers_js_1._deepClone(oldVal) });
+                    }
+                    patches.push({ op: "replace", path: path + "/" + helpers_js_1.escapePathComponent(key), value: helpers_js_1._deepClone(newVal) });
+                }
+            }
+        }
+        else if (Array.isArray(mirror) === Array.isArray(obj)) {
+            if (invertible) {
+                patches.push({ op: "test", path: path + "/" + helpers_js_1.escapePathComponent(key), value: helpers_js_1._deepClone(oldVal) });
+            }
+            patches.push({ op: "remove", path: path + "/" + helpers_js_1.escapePathComponent(key) });
+            deleted = true; // property has been deleted
+        }
+        else {
+            if (invertible) {
+                patches.push({ op: "test", path: path, value: mirror });
+            }
+            patches.push({ op: "replace", path: path, value: obj });
+            changed = true;
+        }
+    }
+    if (!deleted && newKeys.length == oldKeys.length) {
+        return;
+    }
+    for (var t = 0; t < newKeys.length; t++) {
+        var key = newKeys[t];
+        if (!helpers_js_1.hasOwnProperty(mirror, key) && obj[key] !== undefined) {
+            patches.push({ op: "add", path: path + "/" + helpers_js_1.escapePathComponent(key), value: helpers_js_1._deepClone(obj[key]) });
+        }
+    }
+}
+/**
+ * Create an array of patches from the differences in two objects
+ */
+function compare(tree1, tree2, invertible) {
+    if (invertible === void 0) { invertible = false; }
+    var patches = [];
+    _generate(tree1, tree2, patches, '', invertible);
+    return patches;
+}
+exports.compare = compare;
+
+
+/***/ })
+/******/ ]);

app/static/external/list.js/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2018 Jonny Strömberg, jonnystromberg.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

app/static/external/list.js/VERSION

@@ -0,0 +1 @@
+2.3.1

app/static/external/list.js/js/list.min.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"list.min.js","sources":["webpack://List/list.min.js"],"mappings":"AAAA","sourceRoot":""}

app/static/external/material-design-icons/LICENSE

@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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app/static/external/material-design-icons/VERSION

@@ -0,0 +1 @@
+https://github.com/google/material-design-icons/tree/f7bd4f25f3764883717c09a1fd867f560c9a9581

app/static/external/material-design-icons/css/material-icons.css

@@ -0,0 +1,37 @@
+@font-face {
+  font-family: "Material Icons";
+  font-style: normal;
+  font-weight: 400;
+  /* For IE6-8 */
+  /* src: url("../font/MaterialIcons-Regular.eot"); */
+  src: local("Material Icons"),
+    local("MaterialIcons-Regular"),
+    /* url("../font/MaterialIcons-Regular.woff2") format('woff2'), */
+    /* url("../font/MaterialIcons-Regular.woff") format('woff'), */
+    url("../font/MaterialIcons-Regular.ttf") format("truetype");
+}
+
+.material-icons {
+  font-family: 'Material Icons';
+  font-weight: normal;
+  font-style: normal;
+  font-size: 24px;  /* Preferred icon size */
+  display: inline-block;
+  line-height: 1;
+  text-transform: none;
+  letter-spacing: normal;
+  word-wrap: normal;
+  white-space: nowrap;
+  direction: ltr;
+
+  /* Support for all WebKit browsers. */
+  -webkit-font-smoothing: antialiased;
+  /* Support for Safari and Chrome. */
+  text-rendering: optimizeLegibility;
+
+  /* Support for Firefox. */
+  -moz-osx-font-smoothing: grayscale;
+
+  /* Support for IE. */
+  font-feature-settings: 'liga';
+}

app/static/external/materialize/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 Materialize
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

app/static/external/materialize/VERSION

@@ -0,0 +1 @@
+1.0.0

app/static/external/materialize/sass/components/_badges.scss

@@ -0,0 +1,55 @@
+// Badges
+span.badge {
+  min-width: 3rem;
+  padding: 0 6px;
+  margin-left: 14px;
+  text-align: center;
+  font-size: 1rem;
+  line-height: $badge-height;
+  height: $badge-height;
+  color: color('grey', 'darken-1');
+  float: right;
+  box-sizing: border-box;
+
+  &.new {
+    font-weight: 300;
+    font-size: 0.8rem;
+    color: #fff;
+    background-color: $badge-bg-color;
+    border-radius: 2px;
+  }
+  &.new:after {
+    content: " new";
+  }
+
+  &[data-badge-caption]::after {
+    content: " " attr(data-badge-caption);
+  }
+}
+
+// Special cases
+nav ul a span.badge {
+  display: inline-block;
+  float: none;
+  margin-left: 4px;
+  line-height: $badge-height;
+  height: $badge-height;
+  -webkit-font-smoothing: auto;
+}
+
+// Line height centering
+.collection-item span.badge {
+  margin-top: calc(#{$collection-line-height / 2} - #{$badge-height / 2});
+}
+.collapsible span.badge {
+  margin-left: auto;
+}
+.sidenav span.badge {
+  margin-top: calc(#{$sidenav-line-height / 2} - #{$badge-height / 2});
+}
+
+table span.badge {
+  display: inline-block;
+  float: none;
+  margin-left: auto;
+}

app/static/external/materialize/sass/components/_buttons.scss

@@ -0,0 +1,322 @@
+// shared styles
+.btn,
+.btn-flat {
+  border: $button-border;
+  border-radius: $button-radius;
+  display: inline-block;
+  height: $button-height;
+  line-height: $button-height;
+  padding: $button-padding;
+  text-transform: uppercase;
+  vertical-align: middle;
+  -webkit-tap-highlight-color: transparent; // Gets rid of tap active state
+}
+
+// Disabled shared style
+.btn.disabled,
+.btn-floating.disabled,
+.btn-large.disabled,
+.btn-small.disabled,
+.btn-flat.disabled,
+.btn:disabled,
+.btn-floating:disabled,
+.btn-large:disabled,
+.btn-small:disabled,
+.btn-flat:disabled,
+.btn[disabled],
+.btn-floating[disabled],
+.btn-large[disabled],
+.btn-small[disabled],
+.btn-flat[disabled] {
+  pointer-events: none;
+  background-color: $button-disabled-background !important;
+  box-shadow: none;
+  color: $button-disabled-color !important;
+  cursor: default;
+  &:hover {
+    background-color: $button-disabled-background !important;
+    color: $button-disabled-color !important;
+  }
+}
+
+// Shared icon styles
+.btn,
+.btn-floating,
+.btn-large,
+.btn-small,
+.btn-flat {
+  font-size: $button-font-size;
+  outline: 0;
+  i {
+    font-size: $button-icon-font-size;
+    line-height: inherit;
+  }
+}
+
+// Shared focus button style
+.btn,
+.btn-floating {
+  &:focus {
+    background-color: darken($button-raised-background, 10%);
+  }
+}
+
+// Raised Button
+.btn {
+  text-decoration: none;
+  color: $button-raised-color;
+  background-color: $button-raised-background;
+  text-align: center;
+  letter-spacing: .5px;
+  @extend .z-depth-1;
+  transition: background-color .2s ease-out;
+  cursor: pointer;
+  &:hover {
+    background-color: $button-raised-background-hover;
+    @extend .z-depth-1-half;
+  }
+}
+
+// Floating button
+.btn-floating {
+  &:hover {
+    background-color: $button-floating-background-hover;
+    @extend .z-depth-1-half;
+  }
+  &:before {
+    border-radius: 0;
+  }
+  &.btn-large {
+    &.halfway-fab {
+      bottom: -$button-floating-large-size / 2;
+    }
+    width: $button-floating-large-size;
+    height: $button-floating-large-size;
+    padding: 0;
+    i {
+      line-height: $button-floating-large-size;
+    }
+  }
+
+  &.btn-small {
+    &.halfway-fab {
+      bottom: -$button-floating-small-size / 2;
+    }
+    width: $button-floating-small-size;
+    height: $button-floating-small-size;
+    i {
+      line-height: $button-floating-small-size;
+    }
+  }
+
+  &.halfway-fab {
+    &.left {
+      right: auto;
+      left: 24px;
+    }
+    position: absolute;
+    right: 24px;
+    bottom: -$button-floating-size / 2;
+  }
+  display: inline-block;
+  color: $button-floating-color;
+  position: relative;
+  overflow: hidden;
+  z-index: 1;
+  width: $button-floating-size;
+  height: $button-floating-size;
+  line-height: $button-floating-size;
+  padding: 0;
+  background-color: $button-floating-background;
+  border-radius: $button-floating-radius;
+  @extend .z-depth-1;
+  transition: background-color .3s;
+  cursor: pointer;
+  vertical-align: middle;
+  i {
+    width: inherit;
+    display: inline-block;
+    text-align: center;
+    color: $button-floating-color;
+    font-size: $button-large-icon-font-size;
+    line-height: $button-floating-size;
+  }
+}
+
+// button fix
+button.btn-floating {
+  border: $button-border;
+}
+
+// Fixed Action Button
+.fixed-action-btn {
+  &.active {
+    ul {
+      visibility: visible;
+    }
+  }
+
+  // Directions
+  &.direction-left,
+  &.direction-right {
+    padding: 0 0 0 15px;
+    ul {
+      text-align: right;
+      right: 64px;
+      top: 50%;
+      transform: translateY(-50%);
+      height: 100%;
+      left: auto;
+      /*width 100% only goes to width of button container */
+      width: 500px;
+      li {
+        display: inline-block;
+        margin: 7.5px 15px 0 0;
+      }
+    }
+  }
+  &.direction-right {
+    padding: 0 15px 0 0;
+    ul {
+      text-align: left;
+      direction: rtl;
+      left: 64px;
+      right: auto;
+      li {
+        margin: 7.5px 0 0 15px;
+      }
+    }
+  }
+  &.direction-bottom {
+    padding: 0 0 15px 0;
+    ul {
+      top: 64px;
+      bottom: auto;
+      display: flex;
+      flex-direction: column-reverse;
+      li {
+        margin: 15px 0 0 0;
+      }
+    }
+  }
+  &.toolbar {
+    &.active {
+      &>a i {
+        opacity: 0;
+      }
+    }
+    padding: 0;
+    height: $button-floating-large-size;
+    ul {
+      display: flex;
+      top: 0;
+      bottom: 0;
+      z-index: 1;
+      li {
+        flex: 1;
+        display: inline-block;
+        margin: 0;
+        height: 100%;
+        transition: none;
+        a {
+          display: block;
+          overflow: hidden;
+          position: relative;
+          width: 100%;
+          height: 100%;
+          background-color: transparent;
+          box-shadow: none;
+          color: #fff;
+          line-height: $button-floating-large-size;
+          z-index: 1;
+          i {
+            line-height: inherit;
+          }
+        }
+      }
+    }
+  }
+  position: fixed;
+  right: 23px;
+  bottom: 23px;
+  padding-top: 15px;
+  margin-bottom: 0;
+  z-index: 997;
+  ul {
+    left: 0;
+    right: 0;
+    text-align: center;
+    position: absolute;
+    bottom: 64px;
+    margin: 0;
+    visibility: hidden;
+    li {
+      margin-bottom: 15px;
+    }
+    a.btn-floating {
+      opacity: 0;
+    }
+  }
+  .fab-backdrop {
+    position: absolute;
+    top: 0;
+    left: 0;
+    z-index: -1;
+    width: $button-floating-size;
+    height: $button-floating-size;
+    background-color: $button-floating-background;
+    border-radius: $button-floating-radius;
+    transform: scale(0);
+  }
+}
+
+// Flat button
+.btn-flat {
+  box-shadow: none;
+  background-color: transparent;
+  color: $button-flat-color;
+  cursor: pointer;
+  transition: background-color .2s;
+  &:focus,
+  &:hover {
+    box-shadow: none;
+  }
+  &:focus {
+    background-color: rgba(0, 0, 0, .1);
+  }
+  &.disabled,
+  &.btn-flat[disabled]  {
+    background-color: transparent !important;
+    color: $button-flat-disabled-color !important;
+    cursor: default;
+  }
+}
+
+// Large button
+.btn-large {
+  @extend .btn;
+  height: $button-large-height;
+  line-height: $button-large-height;
+  font-size: $button-large-font-size;
+  padding: 0 28px;
+
+  i {
+    font-size: $button-large-icon-font-size;
+  }
+}
+
+// Small button
+.btn-small {
+  @extend .btn;
+  height: $button-small-height;
+  line-height: $button-small-height;
+  font-size: $button-small-font-size;
+  i {
+    font-size: $button-small-icon-font-size;
+  }
+}
+
+// Block button
+.btn-block {
+  display: block;
+}

app/static/external/materialize/sass/components/_cards.scss

@@ -0,0 +1,195 @@
+
+
+.card-panel {
+  transition: box-shadow .25s;
+  padding: $card-padding;
+  margin: $element-top-margin 0 $element-bottom-margin 0;
+  border-radius: 2px;
+  @extend .z-depth-1;
+  background-color: $card-bg-color;
+}
+
+.card {
+  position: relative;
+  margin: $element-top-margin 0 $element-bottom-margin 0;
+  background-color: $card-bg-color;
+  transition: box-shadow .25s;
+  border-radius: 2px;
+  @extend .z-depth-1;
+
+
+  .card-title {
+    font-size: 24px;
+    font-weight: 300;
+    &.activator {
+      cursor: pointer;
+    }
+  }
+
+  // Card Sizes
+  &.small, &.medium, &.large {
+    position: relative;
+
+    .card-image {
+      max-height: 60%;
+      overflow: hidden;
+    }
+    .card-image + .card-content {
+      max-height: 40%;
+    }
+    .card-content {
+      max-height: 100%;
+      overflow: hidden;
+    }
+    .card-action {
+      position: absolute;
+      bottom: 0;
+      left: 0;
+      right: 0;
+    }
+  }
+
+  &.small {
+    height: 300px;
+  }
+
+  &.medium {
+    height: 400px;
+  }
+
+  &.large {
+    height: 500px;
+  }
+
+  // Horizontal Cards
+  &.horizontal {
+    &.small, &.medium, &.large {
+      .card-image {
+        height: 100%;
+        max-height: none;
+        overflow: visible;
+
+        img {
+          height: 100%;
+        }
+      }
+    }
+
+    display: flex;
+
+    .card-image {
+      max-width: 50%;
+      img {
+        border-radius: 2px 0 0 2px;
+        max-width: 100%;
+        width: auto;
+      }
+    }
+
+    .card-stacked {
+      display: flex;
+      flex-direction: column;
+      flex: 1;
+      position: relative;
+
+      .card-content {
+        flex-grow: 1;
+      }
+    }
+  }
+
+  // Sticky Action Section
+  &.sticky-action {
+    .card-action {
+      z-index: 2;
+    }
+
+    .card-reveal {
+      z-index: 1;
+      padding-bottom: 64px;
+    }
+  }
+
+
+
+
+  .card-image {
+    position: relative;
+
+    // Image background for content
+    img {
+      display: block;
+      border-radius: 2px 2px 0 0;
+      position: relative;
+      left: 0;
+      right: 0;
+      top: 0;
+      bottom: 0;
+      width: 100%;
+    }
+
+    .card-title {
+      color: $card-bg-color;
+      position: absolute;
+      bottom: 0;
+      left: 0;
+      max-width: 100%;
+      padding: $card-padding;
+    }
+  }
+
+  .card-content {
+    padding: $card-padding;
+    border-radius: 0 0 2px 2px;
+
+    p {
+      margin: 0;
+    }
+    .card-title {
+      display: block;
+      line-height: 32px;
+      margin-bottom: 8px;
+
+      i {
+        line-height: 32px;
+      }
+    }
+  }
+
+  .card-action {
+    &:last-child {
+      border-radius: 0 0 2px 2px;
+    }
+    background-color: inherit; // Use inherit to inherit color classes
+    border-top: 1px solid rgba(160,160,160,.2);
+    position: relative;
+    padding: 16px $card-padding;
+
+    a:not(.btn):not(.btn-large):not(.btn-floating) {
+      color: $card-link-color;
+      margin-right: $card-padding;
+      transition: color .3s ease;
+      text-transform: uppercase;
+
+      &:hover { color: $card-link-color-light; }
+    }
+  }
+
+  .card-reveal {
+    padding: $card-padding;
+    position: absolute;
+    background-color: $card-bg-color;
+    width: 100%;
+    overflow-y: auto;
+    left: 0;
+    top: 100%;
+    height: 100%;
+    z-index: 3;
+    display: none;
+
+    .card-title {
+      cursor: pointer;
+      display: block;
+    }
+  }
+}

app/static/external/materialize/sass/components/_carousel.scss

@@ -0,0 +1,90 @@
+.carousel {
+  &.carousel-slider {
+    top: 0;
+    left: 0;
+
+    .carousel-fixed-item {
+      &.with-indicators {
+        bottom: 68px;
+      }
+
+      position: absolute;
+      left: 0;
+      right: 0;
+      bottom: 20px;
+      z-index: 1;
+    }
+
+    .carousel-item {
+      width: 100%;
+      height: 100%;
+      min-height: $carousel-height;
+      position: absolute;
+      top: 0;
+      left: 0;
+
+      h2 {
+        font-size: 24px;
+        font-weight: 500;
+        line-height: 32px;
+      }
+
+      p {
+        font-size: 15px;
+      }
+    }
+  }
+
+  overflow: hidden;
+  position: relative;
+  width: 100%;
+  height: $carousel-height;
+  perspective: 500px;
+  transform-style: preserve-3d;
+  transform-origin: 0% 50%;
+
+  .carousel-item {
+    visibility: hidden;
+    width: $carousel-item-width;
+    height: $carousel-item-height;
+    position: absolute;
+    top: 0;
+    left: 0;
+
+    & > img {
+      width: 100%;
+    }
+  }
+
+  .indicators {
+    position: absolute;
+    text-align: center;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    margin: 0;
+
+    .indicator-item {
+      &.active {
+        background-color: #fff;
+      }
+
+      display: inline-block;
+      position: relative;
+      cursor: pointer;
+      height: 8px;
+      width: 8px;
+      margin: 24px 4px;
+      background-color: rgba(255,255,255,.5);
+
+      transition: background-color .3s;
+      border-radius: 50%;
+    }
+  }
+
+  // Materialbox compatibility
+  &.scrolling .carousel-item .materialboxed,
+  .carousel-item:not(.active) .materialboxed {
+    pointer-events: none;
+  }
+}

app/static/external/materialize/sass/components/_chips.scss

@@ -0,0 +1,90 @@
+.chip {
+  &:focus {
+    outline: none;
+    background-color: $chip-selected-color;
+    color: #fff;
+  }
+
+  display: inline-block;
+  height: 32px;
+  font-size: 13px;
+  font-weight: 500;
+  color: rgba(0,0,0,.6);
+  line-height: 32px;
+  padding: 0 12px;
+  border-radius: 16px;
+  background-color: $chip-bg-color;
+  margin-bottom: $chip-margin;
+  margin-right: $chip-margin;
+
+  > img {
+    float: left;
+    margin: 0 8px 0 -12px;
+    height: 32px;
+    width: 32px;
+    border-radius: 50%;
+  }
+
+  .close {
+    cursor: pointer;
+    float: right;
+    font-size: 16px;
+    line-height: 32px;
+    padding-left: 8px;
+  }
+}
+
+.chips {
+  border: none;
+  border-bottom: 1px solid $chip-border-color;
+  box-shadow: none;
+  margin: $input-margin;
+  min-height: 45px;
+  outline: none;
+  transition: all .3s;
+
+  &.focus {
+    border-bottom: 1px solid $chip-selected-color;
+    box-shadow: 0 1px 0 0 $chip-selected-color;
+  }
+
+  &:hover {
+    cursor: text;
+  }
+
+  .input {
+    background: none;
+    border: 0;
+    color: rgba(0,0,0,.6);
+    display: inline-block;
+    font-size: $input-font-size;
+    height: $input-height;
+    line-height: 32px;
+    outline: 0;
+    margin: 0;
+    padding: 0 !important;
+    width: 120px !important;
+  }
+
+  .input:focus {
+    border: 0 !important;
+    box-shadow: none !important;
+  }
+
+  // Autocomplete
+  .autocomplete-content {
+    margin-top: 0;
+    margin-bottom: 0;
+  }
+}
+
+// Form prefix
+.prefix ~ .chips {
+  margin-left: 3rem;
+  width: 92%;
+  width: calc(100% - 3rem);
+}
+.chips:empty ~ label  {
+  font-size: 0.8rem;
+  transform: translateY(-140%);
+}

app/static/external/materialize/sass/components/_collapsible.scss

@@ -0,0 +1,91 @@
+.collapsible {
+  border-top: 1px solid $collapsible-border-color;
+  border-right: 1px solid $collapsible-border-color;
+  border-left: 1px solid $collapsible-border-color;
+  margin: $element-top-margin 0 $element-bottom-margin 0;
+  @extend .z-depth-1;
+}
+
+.collapsible-header {
+  &:focus {
+    outline: 0
+  }
+
+  display: flex;
+  cursor: pointer;
+  -webkit-tap-highlight-color: transparent;
+  line-height: 1.5;
+  padding: 1rem;
+  background-color: $collapsible-header-color;
+  border-bottom: 1px solid $collapsible-border-color;
+
+  i {
+    width: 2rem;
+    font-size: 1.6rem;
+    display: inline-block;
+    text-align: center;
+    margin-right: 1rem;
+  }
+}
+.keyboard-focused .collapsible-header:focus {
+  background-color: #eee;
+}
+
+.collapsible-body {
+  display: none;
+  border-bottom: 1px solid $collapsible-border-color;
+  box-sizing: border-box;
+  padding: 2rem;
+}
+
+// Sidenav collapsible styling
+.sidenav,
+.sidenav.fixed {
+
+  .collapsible {
+    border: none;
+    box-shadow: none;
+
+    li { padding: 0; }
+  }
+
+  .collapsible-header {
+    background-color: transparent;
+    border: none;
+    line-height: inherit;
+    height: inherit;
+    padding: 0 $sidenav-padding;
+
+    &:hover { background-color: rgba(0,0,0,.05); }
+    i { line-height: inherit; }
+  }
+
+  .collapsible-body {
+    border: 0;
+    background-color: $collapsible-header-color;
+
+    li a {
+      padding: 0 (7.5px + $sidenav-padding)
+               0 (15px + $sidenav-padding);
+    }
+  }
+
+}
+
+// Popout Collapsible
+
+.collapsible.popout {
+  border: none;
+  box-shadow: none;
+  > li {
+    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
+    // transform: scaleX(.92);
+    margin: 0 24px;
+    transition: margin .35s cubic-bezier(0.250, 0.460, 0.450, 0.940);
+  }
+  > li.active {
+    box-shadow: 0 5px 11px 0 rgba(0, 0, 0, 0.18), 0 4px 15px 0 rgba(0, 0, 0, 0.15);
+    margin: 16px 0;
+    // transform: scaleX(1);
+  }
+}