Do not rely on notifiction module being imported
This has worked so far mostly by accident, but it turned out to be
brittle while writing tests. This makes sure that the notification
module is always imported before use.
#!/usr/bin/python2.5
#
# Copyright 2008 the Melange authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Request (Model) query functions.
"""
__authors__ = [
'"Sverre Rabbelier" <sverre@rabbelier.nl>',
'"Lennard de Rijk" <ljvderijk@gmail.com>'
]
import soc.models.request
from soc.logic.helper import notifications
from soc.logic.models import base
from soc.logic.models import linkable as linkable_logic
class Logic(base.Logic):
"""Logic methods for the Request model.
"""
def __init__(self, model=soc.models.request.Request,
base_model=None, scope_logic=linkable_logic):
"""Defines the name, key_name and model for this entity.
"""
super(Logic, self).__init__(model, base_model=base_model,
scope_logic=scope_logic)
def getKeyValuesFromEntity(self, entity):
"""See base.Logic.getKeyNameValues.
"""
return [entity.scope.link_id, entity.role, entity.link_id]
def getKeyValuesFromFields(self, fields):
"""See base.Logic.getKeyValuesFromFields.
"""
return [fields['scope_path'], fields['role'], fields['link_id']]
def getKeyFieldNames(self):
"""See base.Logic.getKeyFieldNames.
"""
return ['scope_path', 'role', 'link_id']
def _onCreate(self, entity):
"""Sends out a message notifying users about the new invite/request.
"""
if entity.status == 'group_accepted':
# this is an invite
notifications.sendInviteNotification(entity)
elif entity.status == 'new':
# this is a request
# TODO(Lennard) Create a new request message
pass
super(Logic, self)._onCreate(entity)
def _updateField(self, entity, entity_properties, name):
"""Called when the fields of the request are updated.
Sends out a message depending on the change of status.
"""
value = entity_properties[name]
if name == 'status' and entity.status != value:
if value == 'group_accepted':
# this is an invite
notifications.sendInviteNotification(entity)
elif value == 'new':
# this is a request
# TODO(Lennard) Create a new request message
pass
return super(Logic, self)._updateField(entity, entity_properties, name)
logic = Logic()