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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 .. 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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event = 'user_{}_patch'.format(ressource.user_id)
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jsonpatch = [{'op': 'remove', 'path': ressource.jsonpatch_path}]
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room = 'user_{}'.format(ressource.user_id)
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socketio.emit(event, 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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event = 'user_{}_patch'.format(ressource.user_id)
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jsonpatch = [
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{
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'op': 'add',
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'path': ressource.jsonpatch_path,
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'value': ressource.to_dict(include_relationships=False)
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}
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]
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room = 'user_{}'.format(ressource.user_id)
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socketio.emit(event, 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()
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jsonpatch.append(
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{
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'op': 'replace',
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'path': '{}/{}'.format(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.creator.setting_job_status_mail_notifications == 'none': # noqa
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pass
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elif (ressource.creator.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.creator.email,
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'Status update for your Job "{}"'.format(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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event = 'user_{}_patch'.format(ressource.user_id)
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room = 'user_{}'.format(ressource.user_id)
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socketio.emit(event, jsonpatch, room=room)
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