--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/soc/models/work.py	Fri May 09 03:22:14 2008 +0000
@@ -0,0 +1,61 @@
+#!/usr/bin/python2.5
+#
+# Copyright 2008 the Melange authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""This module contains the Work Model."""
+
+__authors__ = [
+  '"Todd Larsen" <tlarsen@google.com>',
+  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
+]
+
+from google.appengine.ext import db
+
+
+class Work(db.Model):
+  """Model of a Work created by one or more Authors.
+
+  Work is a "base entity" of other more specific "works" created by "authors".
+
+  A Work entity participates in the following relationships implemented
+  as a db.ReferenceProperty elsewhere in another db.Model:
+
+   proposal), survey), documentation)
+     a 1:1 relationship with each entity containing a more specific type of
+     "work".  These relationships are represented explicitly in the other
+     "work" models by a db.ReferenceProperty named 'work'.  The
+     collection_name argument to db.ReferenceProperty should be set to the
+     singular of the entity model name of the other "work" class.  The above
+     relationship names correspond, respectively to these Models:
+       Proposal, Survey, Documentation
+     The relationships listed here are mutually exclusive.  For example,
+     a Work cannot be both a Proposal and a Survey at the same time.
+
+   authors)  a many:many relationship with Authors, stored in a separate
+     WorksAuthors model.  See the WorksAuthors model class for details.
+
+   reviews)  a 1:many relationship between a Work and the zero or more
+     Reviews of that Work.  This relation is implemented as the 'reviews'
+     back-reference Query of the Review model 'reviewed' reference.
+  """
+
+  #: Required field indicating the "title" of the work, which may have
+  #: different uses depending on the specific type of the work. Works
+  #: can be indexed, filtered, and sorted by 'title'.
+  title = db.StringProperty(required=True)
+
+  #: large, non-indexed text field used for different purposes, depending
+  #: on the specific type of the work.
+  abstract = db.TextProperty()