author | Lennard de Rijk <ljvderijk@gmail.com> |
Sun, 01 Feb 2009 23:36:50 +0000 | |
changeset 1169 | c0294f3c28db |
parent 1115 | 0a723ff3d27c |
child 1307 | 091a21cf3627 |
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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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"""Group (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.logic.models import base |
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import soc.models.group |
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class Logic(base.Logic): |
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"""Logic methods for the Group model. |
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""" |
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def __init__(self, model=soc.models.group.Group, |
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base_model=None, scope_logic=None): |
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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, base_model=base_model, |
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scope_logic=scope_logic) |
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def getKeyValuesFromEntity(self, entity): |
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"""Extracts the key values from entity and returns them. |
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The default implementation for Groups assumes that the Group is site-wide |
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and thus has no scope. Such Groups include Sponsors and Clubs. Any |
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Group that exists per-Program or per-Year will need to override this |
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method. |
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Args: |
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entity: the entity from which to extract the key values |
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""" |
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return [entity.link_id] |
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def getKeyValuesFromFields(self, fields): |
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"""Extracts the key values from a dict and returns them. |
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The default implementation for Groups assumes that the Group is site-wide |
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and thus has no scope. Such Groups include Sponsors and Clubs. Any |
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Group that exists per-Program or per-Year will need to override this |
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method. |
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Args: |
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fields: the dict from which to extract the key values |
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""" |
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return [fields['link_id']] |
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def getKeyFieldNames(self): |
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"""Returns an array with the names of the Key Fields. |
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The default implementation for Groups assumes that the Group is site-wide |
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and thus has no scope. Such Groups include Sponsors and Clubs. Any |
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Group that exists per-Program or per-Year will need to override this |
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method. |
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""" |
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return ['link_id'] |
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def isDeletable(self, entity): |
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"""Returns whether the specified Group entity can be deleted. |
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Generically, a Group can always be deleted. Subclasses of group.Logic |
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should add their own deletion prerequisites. |
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Args: |
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entity: an existing Group entity in the Datastore |
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""" |
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return True |
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logic = Logic() |