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1 #!/usr/bin/python2.5 |
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2 # |
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3 # Copyright 2008 the Melange authors. |
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4 # |
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5 # Licensed under the Apache License, Version 2.0 (the "License"); |
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6 # you may not use this file except in compliance with the License. |
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7 # You may obtain a copy of the License at |
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8 # |
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9 # http://www.apache.org/licenses/LICENSE-2.0 |
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10 # |
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11 # Unless required by applicable law or agreed to in writing, software |
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12 # distributed under the License is distributed on an "AS IS" BASIS, |
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13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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14 # See the License for the specific language governing permissions and |
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15 # limitations under the License. |
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16 |
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17 """This module contains the School Model.""" |
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18 |
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19 __authors__ = [ |
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20 '"Todd Larsen" <tlarsen@google.com>', |
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21 ] |
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22 |
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23 |
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24 from google.appengine.ext import db |
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25 |
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26 from django.utils.translation import ugettext_lazy |
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27 |
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28 from soc.models import base |
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29 import soc.models.group |
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30 |
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31 |
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32 class School(base.ModelWithFieldAttributes): |
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33 """Details specific to a School. |
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34 |
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35 A School is a specific type of Group that gathers Students together. |
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36 |
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37 A School entity participates in the following relationships implemented |
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38 as a db.ReferenceProperty elsewhere in another db.Model: |
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39 |
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40 students) a 1:many relationship of Students attending (or otherwise |
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41 belonging to) a School. This relation is implemented as the 'students' |
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42 back-reference Query of the Student model 'school' reference. |
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43 """ |
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44 |
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45 #: Required 1:1 relationship that ties School details to the more |
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46 #: generic Group details. The back-reference in the Group model is a |
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47 #: Query named 'school'. |
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48 group = db.ReferenceProperty(reference_class=soc.models.group.Group, |
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49 required=True, collection_name="school") |