Initial definition of the Work Model.
authorSverre Rabbelier <srabbelier@gmail.com>
Sat, 10 May 2008 02:15:40 +0000
changeset 18 2e9454e4924e
parent 17 5b76620110cb
child 19 f2a5ec8fb780
Initial definition of the Work Model. Patch by: Sverre Rabbelier Review by: Todd Larsen Review issue: 24 Review URL: http://codereviews.googleopensourceprograms.com/24
soc/models/task.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/soc/models/task.py	Sat May 10 02:15:40 2008 +0000
@@ -0,0 +1,52 @@
+#!/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 Task Model."""
+
+__authors__ = [
+  '"Todd Larsen" <tlarsen@google.com>',
+  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
+]
+
+from google.appengine.ext import db
+
+from soc import models
+import soc.models.proposal
+
+
+class Task(db.Model):
+  """Model of a Task, which is a Proposal to be completed by Contributors.
+
+  A Task brings along a Proposal that was used to initiate the Task.  A Task
+  may have a unique collection of Reviews, in addition to those attached to
+  the original Proposal.
+
+  A Task entity participates in the following relationships implemented
+  as a db.ReferenceProperty elsewhere in another db.Model:
+
+   contributors)  a required many:many relationship associating all of
+     the Contributors to a Task to the specific Task.  See the
+     TasksContributors model for details.
+  """
+ 
+  #: A required many:1 relationship with the Proposal on which the
+  #: Task is based.  A Task may be based on only a single Proposal, 
+  #: but a Proposal can be the foundation for multiple Tasks. The
+  #: back-reference in the Proposal model is a Query named 'tasks'.  
+  proposal = db.ReferenceProperty(reference_class=models.proposal.Proposal,
+                                  required=True,
+				  collection_name="tasks")
+