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				https://gitlab.ub.uni-bielefeld.de/sfb1288inf/nopaque.git
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	Add routes for CorpusFollower permission management
This commit is contained in:
		@@ -7,15 +7,21 @@ from flask import (
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    redirect,
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    render_template,
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    request,
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    send_from_directory,
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    url_for
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    send_from_directory
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)
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from flask_login import current_user, login_required
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from threading import Thread
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import jwt
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import os
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from app import db, hashids
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from app.models import Corpus, CorpusFile, CorpusStatus, User
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from app.models import (
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    Corpus,
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    CorpusFile,
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    CorpusFollowerAssociation,
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    CorpusFollowPermission,
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    CorpusStatus,
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    User
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)
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from . import bp
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from .forms import (
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    CreateCorpusFileForm,
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@@ -24,23 +30,6 @@ from .forms import (
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)
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# @bp.route('/share/<token>', methods=['GET', 'POST'])
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# def share_corpus(token):
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#     try:
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#         payload = jwt.decode(
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#             token,
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#             current_app.config['SECRET_KEY'],
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#             algorithms=['HS256'],
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#             issuer=current_app.config['SERVER_NAME'],
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#             options={'require': ['iat', 'iss', 'sub']}
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#         )
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#     except jwt.PyJWTError:
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#         return False
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#     corpus_hashid = payload.get('sub')
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#     corpus_id = hashids.decode(corpus_hashid)
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#     return redirect(url_for('.corpus', corpus_id=corpus_id))
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@bp.route('/<hashid:corpus_id>/enable_is_public', methods=['POST'])
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@login_required
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def enable_corpus_is_public(corpus_id):
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@@ -63,24 +52,22 @@ def disable_corpus_is_public(corpus_id):
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    return '', 204
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# @bp.route('/<hashid:corpus_id>/follow', methods=['GET', 'POST'])
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# @bp.route('/<hashid:corpus_id>/follow/<token>')
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# @login_required
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# def follow_corpus(corpus_id):
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#     corpus = Corpus.query.get_or_404(corpus_id)
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#     user_hashid = request.args.get('user_id')
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#     if user_hashid is None:
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#         user = current_user
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#     else:
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#         if not current_user.is_administrator():
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#             abort(403)
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#         else:
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#             user_id = hashids.decode(user_hashid)
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#             user = User.query.get_or_404(user_id)
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#     if not user.is_following_corpus(corpus):
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#         user.follow_corpus(corpus)
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#     db.session.commit()
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#     flash(f'You are following {corpus.title} now', category='corpus')
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#     return {}, 202
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# def follow_corpus(corpus_id, token):
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#     try:
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#         payload = jwt.decode(
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#             token,
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#             current_app.config['SECRET_KEY'],
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#             algorithms=['HS256'],
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#             issuer=current_app.config['SERVER_NAME'],
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#             options={'require': ['iat', 'iss', 'sub']}
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#         )
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#     except jwt.PyJWTError:
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#         return False
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#     corpus_hashid = payload.get('sub')
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#     corpus_id = hashids.decode(corpus_hashid)
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#     return redirect(url_for('.corpus', corpus_id=corpus_id))
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@bp.route('/<hashid:corpus_id>/unfollow', methods=['GET', 'POST'])
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@@ -99,23 +86,35 @@ def unfollow_corpus(corpus_id):
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        user.unfollow_corpus(corpus)
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    db.session.commit()
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    flash(f'You are not following {corpus.title} anymore', category='corpus')
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    return {}, 202
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    return '', 204
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# @bp.route('/add_permission/<hashid:corpus_id>/<hashid:user_id>/<int:permission>')
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# def add_permission(corpus_id, user_id, permission):
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#     a = CorpusFollowerAssociation.query.filter_by(followed_corpus_id=corpus_id, following_user_id=user_id).first_or_404()
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#     a.add_permission(permission)
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#     db.session.commit()
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#     return 'ok'
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@bp.route('/<hashid:corpus_id>/followers/<hashid:user_id>/permissions/add', methods=['POST'])
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def add_permission(corpus_id, user_id, permission):
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    corpus_follow_association = CorpusFollowerAssociation.query.filter_by(followed_corpus_id=corpus_id, following_user_id=user_id).first_or_404()
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    permission = request.args.get('permission', type=int)
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    corpus = corpus_follow_association.followed_corpus
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    if not (corpus.user == current_user or current_user.is_administrator()):
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        abort(403)
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    if permission is None or permission not in iter(CorpusFollowPermission):
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        abort(400)
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    corpus_follow_association.add_permission(permission)
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    db.session.commit()
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    return '', 204
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# @bp.route('/remove_permission/<hashid:corpus_id>/<hashid:user_id>/<int:permission>')
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# def remove_permission(corpus_id, user_id, permission):
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#     a = CorpusFollowerAssociation.query.filter_by(followed_corpus_id=corpus_id, following_user_id=user_id).first_or_404()
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#     a.remove_permission(permission)
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#     db.session.commit()
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#     return 'ok'
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@bp.route('/<hashid:corpus_id>/followers/<hashid:user_id>/permissions/remove', methods=['POST'])
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def remove_permission(corpus_id, user_id, permission):
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    corpus_follow_association = CorpusFollowerAssociation.query.filter_by(followed_corpus_id=corpus_id, following_user_id=user_id).first_or_404()
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    permission = request.args.get('permission')
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    corpus = corpus_follow_association.followed_corpus
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    if not (corpus.user == current_user or current_user.is_administrator()):
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        abort(403)
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    if permission is None or permission not in iter(CorpusFollowPermission):
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        abort(400)
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    corpus_follow_association.remove_permission(permission)
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    db.session.commit()
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    return '', 204
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@bp.route('/public')
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@@ -69,6 +69,44 @@ class Utils {
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    return Utils.mergeObjectsDeep(mergedObject, ...objects.slice(2));
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  }
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  static addCorpusFollowerPermissionRequest(corpusId, followerId, permission) {
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    return new Promise((resolve, reject) => {
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      fetch(`/corpora/${corpusId}/followers/${followerId}/add_permission?permission=${permission}`, {method: 'POST', headers: {Accept: 'application/json'}})
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        .then(
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          (response) => {
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            if (response.status === 400) {app.flash('Bad Request', 'error'); reject(response);}
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            if (response.status === 403) {app.flash('Forbidden', 'error'); reject(response);}
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            if (response.status === 404) {app.flash('Not Found', 'error'); reject(response);}
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            app.flash(`Permission added`, 'corpus');
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            resolve(response);
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          },
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          (response) => {
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            app.flash('Something went wrong', 'error');
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            reject(response);
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          }
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        );
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    });
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  }
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  static removeCorpusFollowerPermissionRequest(corpusId, followerId, permission) {
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    return new Promise((resolve, reject) => {
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      fetch(`/corpora/${corpusId}/followers/${followerId}/remove_permission?permission=${permission}`, {method: 'POST', headers: {Accept: 'application/json'}})
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        .then(
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          (response) => {
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            if (response.status === 400) {app.flash('Bad Request', 'error'); reject(response);}
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            if (response.status === 403) {app.flash('Forbidden', 'error'); reject(response);}
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            if (response.status === 404) {app.flash('Not Found', 'error'); reject(response);}
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            app.flash(`Permission removed`, 'corpus');
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            resolve(response);
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          },
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          (response) => {
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            app.flash('Something went wrong', 'error');
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            reject(response);
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          }
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        );
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    });
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  }
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  static enableCorpusIsPublicRequest(userId, corpusId) {
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    return new Promise((resolve, reject) => {
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      let corpus;
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