author | Daniel Diniz <ajaksu@gmail.com> |
Mon, 06 Jul 2009 16:13:27 +0200 | |
changeset 2560 | a944c0169ad8 |
parent 2427 | 0dee663d6582 |
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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"""Document (Model) query functions. |
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""" |
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__authors__ = [ |
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'"Sverre Rabbelier" <sverre@rabbelier.nl>', |
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] |
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from soc.cache import sidebar |
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from soc.cache import home |
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from soc.logic.models import work |
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from soc.logic.models import linkable as linkable_logic |
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import soc.models.document |
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import soc.models.work |
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class Logic(work.Logic): |
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"""Logic methods for the Document model |
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""" |
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def __init__(self, model=soc.models.document.Document, |
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base_model=soc.models.work.Work, scope_logic=linkable_logic): |
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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=model, base_model=base_model, |
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scope_logic=scope_logic) |
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def getKeyValuesFromEntity(self, entity): |
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"""See base.Logic.getKeyNameValues. |
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""" |
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return [entity.prefix, entity.scope_path, entity.link_id] |
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def getKeyValuesFromFields(self, fields): |
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"""See base.Logic.getKeyValuesFromFields. |
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""" |
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return [fields['prefix'], fields['scope_path'], fields['link_id']] |
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def getKeyFieldNames(self): |
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"""See base.Logic.getKeyFieldNames. |
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""" |
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return ['prefix', 'scope_path', 'link_id'] |
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def isDeletable(self, entity): |
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"""See base.Logic.isDeletable. |
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""" |
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return not entity.home_for |
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def _updateField(self, entity, entity_properties, name): |
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"""Special logic for Document. |
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- Flush the sidebar when a document is featured. |
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- Remove the document from the homepage cache when the home_for is updated |
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""" |
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value = entity_properties[name] |
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if (name == 'is_featured') and (entity.is_featured != value): |
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sidebar.flush() |
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home_for = entity.home_for |
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if (name != 'home_for') and home_for: |
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home.flush(home_for) |
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return True |
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logic = Logic() |