nopaque/app/events/sqlalchemy.py
2022-02-09 16:02:37 +01:00

91 lines
3.3 KiB
Python

from app import db, mail, socketio
from app.email import create_message
from app.models import (
Corpus,
CorpusFile,
Job,
JobInput,
JobResult,
JobStatus,
UserSettingJobStatusMailNotificationLevel
)
from datetime import datetime
from enum import Enum
###############################################################################
# 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 attr in mapper.relationships:
value[attr.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:
if attr.key in mapper.relationships:
continue
if not attr.load_history().has_changes():
continue
if isinstance(attr.value, datetime):
value = attr.value.isoformat() + 'Z'
elif isinstance(attr.value, Enum):
value = attr.value.name
else:
value = attr.value
jsonpatch.append(
{
'op': 'replace',
'path': f'{ressource.jsonpatch_path}/{attr.key}',
'value': value
}
)
if isinstance(ressource, Job) and attr.key == 'status':
_job_status_email_handler(ressource)
if jsonpatch:
room = f'users.{ressource.user_hashid}'
socketio.emit('users.patch', jsonpatch, room=room)
def _job_status_email_handler(job):
if job.user.setting_job_status_mail_notification_level == UserSettingJobStatusMailNotificationLevel.NONE: # noqa
return
if job.user.setting_job_status_mail_notification_level == UserSettingJobStatusMailNotificationLevel.END: # noqa
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)