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https://gitlab.ub.uni-bielefeld.de/sfb1288inf/nopaque.git
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89 lines
3.7 KiB
Python
89 lines
3.7 KiB
Python
from datetime import datetime
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from flask import current_app
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from .. import db, mail, socketio
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from ..email import create_message
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from ..models import Corpus, CorpusFile, Job, JobInput, JobResult, QueryResult
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###############################################################################
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# SQLAlchemy event handlers #
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###############################################################################
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@db.event.listens_for(Corpus, 'after_delete')
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@db.event.listens_for(CorpusFile, 'after_delete')
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@db.event.listens_for(Job, 'after_delete')
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@db.event.listens_for(JobInput, 'after_delete')
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@db.event.listens_for(JobResult, 'after_delete')
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@db.event.listens_for(QueryResult, 'after_delete')
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def ressource_after_delete(mapper, connection, ressource):
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jsonpatch = [{'op': 'remove', 'path': ressource.jsonpatch_path}]
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room = f'users.{ressource.user_hashid}'
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socketio.emit('users.patch', jsonpatch, room=room)
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@db.event.listens_for(Corpus, 'after_insert')
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@db.event.listens_for(CorpusFile, 'after_insert')
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@db.event.listens_for(Job, 'after_insert')
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@db.event.listens_for(JobInput, 'after_insert')
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@db.event.listens_for(JobResult, 'after_insert')
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@db.event.listens_for(QueryResult, 'after_insert')
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def ressource_after_insert_handler(mapper, connection, ressource):
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value = ressource.to_dict(backrefs=False, relationships=False)
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if isinstance(ressource, Job):
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value['inputs'] = {}
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value['results'] = {}
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elif isinstance(ressource, Corpus):
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value['files'] = {}
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jsonpatch = [
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{'op': 'add', 'path': ressource.jsonpatch_path, 'value': value}
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]
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room = f'users.{ressource.user_hashid}'
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socketio.emit('users.patch', jsonpatch, room=room)
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@db.event.listens_for(Corpus, 'after_update')
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@db.event.listens_for(CorpusFile, 'after_update')
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@db.event.listens_for(Job, 'after_update')
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@db.event.listens_for(JobInput, 'after_update')
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@db.event.listens_for(JobResult, 'after_update')
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@db.event.listens_for(QueryResult, 'after_update')
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def ressource_after_update_handler(mapper, connection, ressource):
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jsonpatch = []
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for attr in db.inspect(ressource).attrs:
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# We don't want to handle changes in relationship fields
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# TODO: Find a way to handle this without a hardcoded list
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if attr.key in ['files', 'inputs', 'results']:
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continue
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history = attr.load_history()
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if not history.has_changes():
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continue
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new_value = history.added[0]
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# In order to be JSON serializable, DateTime attributes must be
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# converted to a string
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if isinstance(new_value, datetime):
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new_value = new_value.isoformat() + 'Z'
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jsonpatch.append(
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{
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'op': 'replace',
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'path': f'{ressource.jsonpatch_path}/{attr.key}',
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'value': new_value
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}
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)
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# Job status update notification if it changed and wanted by the user
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if isinstance(ressource, Job) and attr.key == 'status':
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if ressource.user.setting_job_status_mail_notifications == 'none': # noqa
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pass
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elif (ressource.user.setting_job_status_mail_notifications == 'end' # noqa
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and ressource.status not in ['complete', 'failed']):
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pass
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else:
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msg = create_message(
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ressource.user.email,
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f'Status update for your Job "{ressource.title}"',
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'tasks/email/notification',
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job=ressource
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)
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mail.send(msg)
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if jsonpatch:
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room = f'users.{ressource.user_hashid}'
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socketio.emit('users.patch', jsonpatch, room=room)
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