diff -r 761906e4254d -r 0cf8f034f52d app/soc/models/grading_project_survey_record.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/soc/models/grading_project_survey_record.py	Mon Jun 29 15:19:28 2009 +0200
@@ -0,0 +1,52 @@
+#!/usr/bin/python2.5
+#
+# Copyright 2009 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.
+
+"""GradingProjectSurveyRecord extends ProjectSurveyRecord to store the grade.
+"""
+
+__authors__ = [
+  '"Daniel Diniz" <ajaksu@gmail.com>',
+  '"Lennard de Rijk" <ljvderijk@gmail.com>',
+]
+
+
+from google.appengine.ext import db
+
+from django.utils.translation import ugettext
+
+from soc.models.project_survey_record import ProjectSurveyRecord
+from soc.models.grading_project_survey import GradingProjectSurvey
+
+
+class GradingProjectSurveyRecord(ProjectSurveyRecord):
+  """Grading record for evaluation surveys.
+
+  Represents the grading part of a evaluation survey group (usually a pair)
+  where the grading (e.g. Mentor's) survey is linked to a non-grading (e.g
+  Student's) one by a project.
+  """
+
+  #: The survey for which this entity is a record.
+  grading_survey = db.ReferenceProperty(GradingProjectSurvey,
+                                collection_name="grading_survey_records")
+
+  #: Required grade given to the project that this survey is about.
+  grade = db.BooleanProperty(required=True)
+
+  def getSurvey(self):
+    """Returns the GradingProjectSurvey that belongs to this record.
+    """
+    return self.grading_survey