app/soc/models/reviewer.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Sat, 22 Nov 2008 22:44:02 +0000
changeset 568 6713617751b4
parent 533 ba3309b2fd30
child 1307 091a21cf3627
permissions -rw-r--r--
Remove inheritance from PolyModel in Answer and Linkable model. Replace PolyModel inheritance with base.ModelWithFieldAttributes. A little explanation why we are trying to get rid of PolyModel. We decided to use PolyModel in order to get support for model inheritance in App Engine, however as we know this was a hacky workaround which added inheritance_line property to each model. Recent commits which added Linkable model caused our data viewer in admin console to show only one model "Linkable" since all of the classes inherited from it. Basically datastore viewer was useless plus we had a really big mess in datastore since everything was of one kind (Linkable). It's almost like creating one huge table in SQL database. Upcoming commits will eliminate all usage of PolyModel and finally remove PolyModel from our repository. We are still using inheritance however this doesn't modify how models are saved in data store so basically it's like copy and paste of properties from parent models. Patch by: Pawel Solyga, Sverre Rabbelier
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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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"""This module contains the Reviewer Model."""
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__authors__ = [
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  '"Todd Larsen" <tlarsen@google.com>',
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]
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from google.appengine.ext import db
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import soc.models.organization
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import soc.models.role
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class Reviewer(soc.models.role.Role):
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  """Reviewer details for a specific Program.
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  A Reviewer entity participates in the following relationships implemented 
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  as a db.ReferenceProperty elsewhere in another db.Model:
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   reviews)  an optional 1:many relationship of Reviews written by the
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     Reviewer.  This relation is implemented as the 'reviews'
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     back-reference Query of the Review model 'reviewer' reference.
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  """
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  #: A many:1 relationship associating Reviewers with specific Organization
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  #: details and capabilities. The back-reference in the Organization model
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  #: is a Query named 'reviewers'.
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  org = db.ReferenceProperty(
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      reference_class=soc.models.organization.Organization, 
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      required=True, collection_name='reviewers')
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