author | Daniel Diniz <ajaksu@gmail.com> |
Mon, 06 Jul 2009 16:13:27 +0200 | |
changeset 2560 | a944c0169ad8 |
parent 1556 | c81109a8a1a1 |
child 2708 | db544114b158 |
permissions | -rw-r--r-- |
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#!/usr/bin/python2.5 |
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# |
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# Copyright 2008 the Melange authors. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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"""Notification (Model) query functions. |
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""" |
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__authors__ = [ |
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'"Lennard de Rijk" <ljvderijk@gmail.com>', |
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] |
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from google.appengine.ext import db |
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from soc.cache import sidebar |
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from soc.logic.helper import notifications |
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from soc.logic.models import base |
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from soc.logic.models import user as user_logic |
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import soc.models.notification |
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class Logic(base.Logic): |
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"""Logic methods for the Notification model. |
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""" |
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def __init__(self): |
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"""Defines the name, key_name and model for this entity. |
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""" |
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super(Logic, self).__init__(model=soc.models.notification.Notification, |
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base_model=None, scope_logic=user_logic) |
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def _onCreate(self, entity): |
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"""Sends out a message if there is only one unread notification. |
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""" |
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# create a special query on which we can call count |
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query = db.Query(self._model) |
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query.filter('scope =', entity.scope) |
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query.filter('unread = ', True) |
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# count the number of results with a maximum of two |
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unread_count = query.count(2) |
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if unread_count == 1: |
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# there is only one unread notification so send out an email |
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notifications.sendNewNotificationMessage(entity) |
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sidebar.flush(entity.scope.account) |
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super(Logic, self)._onCreate(entity) |
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def _updateField(self, entity, entity_properties, name): |
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"""If unread changes we flush the sidebar cache. |
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""" |
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value = entity_properties[name] |
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if (name == 'unread') and (entity.unread != value): |
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# in case that the unread value changes we flush the sidebar. |
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sidebar.flush(entity.scope.account) |
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return True |
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logic = Logic() |