nopaque/app/events/sqlalchemy.py

99 lines
3.8 KiB
Python

from app import db, mail, socketio
from app.email import create_message
from app.models import (
Corpus,
CorpusFile,
Job,
JobInput,
JobResult,
JobStatus,
JobStatusMailNotificationLevel
)
from datetime import datetime
###############################################################################
# SQLAlchemy event handlers #
###############################################################################
@db.event.listens_for(Corpus, 'after_delete')
@db.event.listens_for(CorpusFile, 'after_delete')
@db.event.listens_for(Job, 'after_delete')
@db.event.listens_for(JobInput, 'after_delete')
@db.event.listens_for(JobResult, 'after_delete')
def ressource_after_delete(mapper, connection, ressource):
jsonpatch = [{'op': 'remove', 'path': ressource.jsonpatch_path}]
room = f'users.{ressource.user_hashid}'
socketio.emit('users.patch', jsonpatch, room=room)
@db.event.listens_for(Corpus, 'after_insert')
@db.event.listens_for(CorpusFile, 'after_insert')
@db.event.listens_for(Job, 'after_insert')
@db.event.listens_for(JobInput, 'after_insert')
@db.event.listens_for(JobResult, 'after_insert')
def ressource_after_insert_handler(mapper, connection, ressource):
value = ressource.to_dict(backrefs=False, relationships=False)
for relationship in mapper.relationships:
value[relationship.key] = {}
jsonpatch = [
{'op': 'add', 'path': ressource.jsonpatch_path, 'value': value}
]
room = f'users.{ressource.user_hashid}'
socketio.emit('users.patch', jsonpatch, room=room)
@db.event.listens_for(Corpus, 'after_update')
@db.event.listens_for(CorpusFile, 'after_update')
@db.event.listens_for(Job, 'after_update')
@db.event.listens_for(JobInput, 'after_update')
@db.event.listens_for(JobResult, 'after_update')
def ressource_after_update_handler(mapper, connection, ressource):
jsonpatch = []
for attr in db.inspect(ressource).attrs:
# Don't handle changes in relationship fields
if attr.key in mapper.relationships:
continue
# Check if their are changes for the current field
history = attr.load_history()
if not history.has_changes():
continue
if isinstance(history.added[0], datetime):
# In order to be JSON serializable, DateTime attributes must be
# converted to a string
attr_name = attr.key
value = history.added[0].isoformat() + 'Z'
elif attr.key.endswith('_enum_value'):
# Handling fake enum attributes
attr_name = attr.key[:-11]
value = getattr(ressource, attr_name).name
else:
attr_name = attr.key
value = history.added[0]
jsonpatch.append(
{
'op': 'replace',
'path': f'{ressource.jsonpatch_path}/{attr_name}',
'value': value
}
)
# Job status update notification if it changed and wanted by the user
if isinstance(ressource, Job) and attr_name == 'status':
if ressource.user.setting_job_status_mail_notification_level == JobStatusMailNotificationLevel.NONE: # noqa
pass
elif (
ressource.user.setting_job_status_mail_notification_level == JobStatusMailNotificationLevel.END # noqa
and ressource.status not in [JobStatus.COMPLETED, JobStatus.FAILED] # noqa
):
pass
else:
msg = create_message(
ressource.user.email,
f'Status update for your Job "{ressource.title}"',
'tasks/email/notification',
job=ressource
)
mail.send(msg)
if jsonpatch:
room = f'users.{ressource.user_hashid}'
socketio.emit('users.patch', jsonpatch, room=room)