Source code for abilian.services.activity.service

# coding=utf-8
"""
"""
from __future__ import absolute_import, print_function, division

import sqlalchemy as sa
from sqlalchemy.orm import object_session

from abilian.services import Service
from abilian.core.signals import activity
from abilian.core.entities import Entity

from .models import ActivityEntry

__all__ = ['ActivityService']


[docs]class ActivityService(Service): name = 'activity'
[docs] def init_app(self, app): Service.init_app(self, app)
[docs] def start(self): Service.start(self) activity.connect(self.log_activity)
[docs] def stop(self): Service.stop(self) activity.disconnect(self.log_activity)
[docs] def log_activity(self, sender, actor, verb, object, target=None): assert self.running if not isinstance(object, Entity): # generic forms may send signals inconditionnaly. For now we have activity # only for Entities return session = object_session(object) kwargs = dict(actor=actor, verb=verb, object_type=object.entity_type) if sa.inspect(object).deleted: # object is in deleted state: flush has occurred, don't reference it or # we'll have an error when adding entry to session kwargs['object_id'] = object.id else: kwargs['object'] = object if target is not None: kwargs['target_type'] = target.entity_type if sa.inspect(target).deleted: kwargs['target_id'] = target.id else: kwargs['target'] = target entry = ActivityEntry(**kwargs) entry.object_type = object.entity_type session.add(entry)
@staticmethod
[docs] def entries_for_actor(actor, limit=50): return ActivityEntry.query.filter(ActivityEntry.actor == actor).limit(limit).all()