Switch to use User object rather than integer. Also add new field for allowed_time_limit_mins

edx_proctoring/api.py

@@ -167,10 +167,16 @@ def create_exam_attempt(exam_id, user_id, external_id):
 
         raise StudentExamAttemptAlreadyExistsException(err_msg)
 
+    # for now the student is allowed the exam default
+    exam = get_exam_by_id(exam_id)
+
+    allowed_time_limit_mins = exam['time_limit_mins']
+
     attempt = ProctoredExamStudentAttempt.create_exam_attempt(
         exam_id,
         user_id,
         '',  # student name is TBD
+        allowed_time_limit_mins,
         external_id
     )
     return attempt.id
@@ -312,7 +318,7 @@ def get_student_view(user_id, course_id, content_id, context):
     has_started_exam = attempt and attempt.get('started_at')
     if has_started_exam:
         now_utc = datetime.now(pytz.UTC)
-        expires_at = attempt['started_at'] + timedelta(minutes=context['default_time_limit_mins'])
+        expires_at = attempt['started_at'] + timedelta(minutes=attempt['allowed_time_limit_mins'])
         has_time_expired = now_utc > expires_at
 
     if not has_started_exam:

edx_proctoring/migrations/0002_auto__add_field_proctoredexamstudentattempt_taking_as_proctored.py

-# -*- coding: utf-8 -*-
-from south.utils import datetime_utils as datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        # Adding field 'ProctoredExamStudentAttempt.taking_as_proctored'
-        db.add_column('proctoring_proctoredexamstudentattempt', 'taking_as_proctored',
-                      self.gf('django.db.models.fields.BooleanField')(default=False),
-                      keep_default=False)
-
-
-    def backwards(self, orm):
-        # Deleting field 'ProctoredExamStudentAttempt.taking_as_proctored'
-        db.delete_column('proctoring_proctoredexamstudentattempt', 'taking_as_proctored')
-
-
-    models = {
-        'edx_proctoring.proctoredexam': {
-            'Meta': {'unique_together': "(('course_id', 'content_id'),)", 'object_name': 'ProctoredExam', 'db_table': "'proctoring_proctoredexam'"},
-            'content_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
-            'course_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
-            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
-            'exam_name': ('django.db.models.fields.TextField', [], {}),
-            'external_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'db_index': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_proctored': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
-            'time_limit_mins': ('django.db.models.fields.IntegerField', [], {})
-        },
-        'edx_proctoring.proctoredexamstudentallowance': {
-            'Meta': {'unique_together': "(('user_id', 'proctored_exam', 'key'),)", 'object_name': 'ProctoredExamStudentAllowance', 'db_table': "'proctoring_proctoredexamstudentallowance'"},
-            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'key': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
-            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
-            'proctored_exam': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['edx_proctoring.ProctoredExam']"}),
-            'user_id': ('django.db.models.fields.IntegerField', [], {}),
-            'value': ('django.db.models.fields.CharField', [], {'max_length': '255'})
-        },
-        'edx_proctoring.proctoredexamstudentallowancehistory': {
-            'Meta': {'object_name': 'ProctoredExamStudentAllowanceHistory', 'db_table': "'proctoring_proctoredexamstudentallowancehistory'"},
-            'allowance_id': ('django.db.models.fields.IntegerField', [], {}),
-            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'key': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
-            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
-            'proctored_exam': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['edx_proctoring.ProctoredExam']"}),
-            'user_id': ('django.db.models.fields.IntegerField', [], {}),
-            'value': ('django.db.models.fields.CharField', [], {'max_length': '255'})
-        },
-        'edx_proctoring.proctoredexamstudentattempt': {
-            'Meta': {'object_name': 'ProctoredExamStudentAttempt', 'db_table': "'proctoring_proctoredexamstudentattempt'"},
-            'completed_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
-            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
-            'external_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'db_index': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
-            'proctored_exam': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['edx_proctoring.ProctoredExam']"}),
-            'started_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
-            'status': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
-            'taking_as_proctored': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'user_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'})
-        }
-    }
-
-    complete_apps = ['edx_proctoring']
\ No newline at end of file

edx_proctoring/migrations/0003_auto__add_field_proctoredexamstudentattempt_student_name.py

-# -*- coding: utf-8 -*-
-from south.utils import datetime_utils as datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        # Adding field 'ProctoredExamStudentAttempt.student_name'
-        db.add_column('proctoring_proctoredexamstudentattempt', 'student_name',
-                      self.gf('django.db.models.fields.CharField')(max_length=255, null=True),
-                      keep_default=False)
-
-
-    def backwards(self, orm):
-        # Deleting field 'ProctoredExamStudentAttempt.student_name'
-        db.delete_column('proctoring_proctoredexamstudentattempt', 'student_name')
-
-
-    models = {
-        'edx_proctoring.proctoredexam': {
-            'Meta': {'unique_together': "(('course_id', 'content_id'),)", 'object_name': 'ProctoredExam', 'db_table': "'proctoring_proctoredexam'"},
-            'content_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
-            'course_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
-            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
-            'exam_name': ('django.db.models.fields.TextField', [], {}),
-            'external_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'db_index': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_proctored': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
-            'time_limit_mins': ('django.db.models.fields.IntegerField', [], {})
-        },
-        'edx_proctoring.proctoredexamstudentallowance': {
-            'Meta': {'unique_together': "(('user_id', 'proctored_exam', 'key'),)", 'object_name': 'ProctoredExamStudentAllowance', 'db_table': "'proctoring_proctoredexamstudentallowance'"},
-            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'key': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
-            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
-            'proctored_exam': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['edx_proctoring.ProctoredExam']"}),
-            'user_id': ('django.db.models.fields.IntegerField', [], {}),
-            'value': ('django.db.models.fields.CharField', [], {'max_length': '255'})
-        },
-        'edx_proctoring.proctoredexamstudentallowancehistory': {
-            'Meta': {'object_name': 'ProctoredExamStudentAllowanceHistory', 'db_table': "'proctoring_proctoredexamstudentallowancehistory'"},
-            'allowance_id': ('django.db.models.fields.IntegerField', [], {}),
-            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'key': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
-            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
-            'proctored_exam': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['edx_proctoring.ProctoredExam']"}),
-            'user_id': ('django.db.models.fields.IntegerField', [], {}),
-            'value': ('django.db.models.fields.CharField', [], {'max_length': '255'})
-        },
-        'edx_proctoring.proctoredexamstudentattempt': {
-            'Meta': {'object_name': 'ProctoredExamStudentAttempt', 'db_table': "'proctoring_proctoredexamstudentattempt'"},
-            'completed_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
-            'created': ('model_utils.fields.AutoCreatedField', [], {'default': 'datetime.datetime.now'}),
-            'external_id': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'db_index': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'modified': ('model_utils.fields.AutoLastModifiedField', [], {'default': 'datetime.datetime.now'}),
-            'proctored_exam': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['edx_proctoring.ProctoredExam']"}),
-            'started_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
-            'status': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
-            'student_name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True'}),
-            'taking_as_proctored': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'user_id': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'})
-        }
-    }
-
-    complete_apps = ['edx_proctoring']
\ No newline at end of file

edx_proctoring/models.py

@@ -9,6 +9,8 @@ from django.db.models.signals import post_save, pre_delete
 from django.dispatch import receiver
 from model_utils.models import TimeStampedModel
 
+from django.contrib.auth.models import User
+
 
 class ProctoredExam(TimeStampedModel):
     """
@@ -78,7 +80,7 @@ class ProctoredExamStudentAttempt(TimeStampedModel):
     Information about the Student Attempt on a
     Proctored Exam.
     """
-    user_id = models.IntegerField(db_index=True)
+    user = models.ForeignKey(User, db_index=True)
 
     proctored_exam = models.ForeignKey(ProctoredExam, db_index=True)
 
@@ -89,6 +91,9 @@ class ProctoredExamStudentAttempt(TimeStampedModel):
     # This will be a integration specific ID - say to SoftwareSecure.
     external_id = models.CharField(max_length=255, null=True, db_index=True)
 
+    # this is the time limit allowed to the student
+    allowed_time_limit_mins = models.IntegerField()
+
     # what is the status of this attempt
     status = models.CharField(max_length=64)
 
@@ -109,7 +114,7 @@ class ProctoredExamStudentAttempt(TimeStampedModel):
         return self.started_at and not self.completed_at
 
     @classmethod
-    def create_exam_attempt(cls, exam_id, user_id, student_name, external_id):
+    def create_exam_attempt(cls, exam_id, user_id, student_name, allowed_time_limit_mins, external_id):
         """
         Create a new exam attempt entry for a given exam_id and
         user_id.
@@ -119,6 +124,7 @@ class ProctoredExamStudentAttempt(TimeStampedModel):
             proctored_exam_id=exam_id,
             user_id=user_id,
             student_name=student_name,
+            allowed_time_limit_mins=allowed_time_limit_mins,
             external_id=external_id
         )
 
@@ -180,7 +186,7 @@ class ProctoredExamStudentAllowance(TimeStampedModel):
 
     objects = ProctoredExamStudentAllowanceManager()
 
-    user_id = models.IntegerField()
+    user = models.ForeignKey(User)
 
     proctored_exam = models.ForeignKey(ProctoredExam)
 
@@ -190,7 +196,7 @@ class ProctoredExamStudentAllowance(TimeStampedModel):
 
     class Meta:
         """ Meta class for this Django model """
-        unique_together = (('user_id', 'proctored_exam', 'key'),)
+        unique_together = (('user', 'proctored_exam', 'key'),)
         db_table = 'proctoring_proctoredexamstudentallowance'
         verbose_name = 'proctored allowance'
 
@@ -234,7 +240,7 @@ class ProctoredExamStudentAllowanceHistory(TimeStampedModel):
     # what was the original id of the allowance
     allowance_id = models.IntegerField()
 
-    user_id = models.IntegerField()
+    user = models.ForeignKey(User)
 
     proctored_exam = models.ForeignKey(ProctoredExam)
 
@@ -276,7 +282,7 @@ def _make_archive_copy(item):
 
     archive_object = ProctoredExamStudentAllowanceHistory(
         allowance_id=item.id,
-        user_id=item.user_id,
+        user=item.user,
         proctored_exam=item.proctored_exam,
         key=item.key,
         value=item.value

edx_proctoring/serializers.py

@@ -47,6 +47,7 @@ class ProctoredExamStudentAttemptSerializer(serializers.ModelSerializer):
     Serializer for the ProctoredExamStudentAttempt Model.
     """
     proctored_exam_id = serializers.IntegerField(source="proctored_exam_id")
+    user_id = serializers.IntegerField(source='user_id')
 
     class Meta:
         """
@@ -56,7 +57,7 @@ class ProctoredExamStudentAttemptSerializer(serializers.ModelSerializer):
 
         fields = (
             "id", "created", "modified", "user_id", "started_at", "completed_at",
-            "external_id", "status", "proctored_exam_id"
+            "external_id", "status", "proctored_exam_id", "allowed_time_limit_mins"
         )
 
 
@@ -70,5 +71,5 @@ class ProctoredExamStudentAllowanceSerializer(serializers.ModelSerializer):
         """
         model = ProctoredExamStudentAllowance
         fields = (
-            "id", "created", "modified", "user_id", "key", "value"
+            "id", "created", "modified", "user", "key", "value"
         )

edx_proctoring/tests/test_api.py

@@ -94,7 +94,8 @@ class ProctoredExamApiTests(LoggedInTestCase):
         return ProctoredExamStudentAttempt.objects.create(
             proctored_exam_id=self.proctored_exam_id,
             user_id=self.user_id,
-            external_id=self.external_id
+            external_id=self.external_id,
+            allowed_time_limit_mins=10
         )
 
     def _create_started_exam_attempt(self, started_at=None):
@@ -105,7 +106,8 @@ class ProctoredExamApiTests(LoggedInTestCase):
             proctored_exam_id=self.proctored_exam_id,
             user_id=self.user_id,
             external_id=self.external_id,
-            started_at=started_at if started_at else datetime.now(pytz.UTC)
+            started_at=started_at if started_at else datetime.now(pytz.UTC),
+            allowed_time_limit_mins=10
         )
 
     def _add_allowance_for_user(self):

edx_proctoring/tests/test_models.py

@@ -47,7 +47,7 @@ class ProctoredExamModelTests(LoggedInTestCase):
             user_id=1,
             proctored_exam=proctored_exam,
         ).update(
-            user_id=1,
+            user=1,
             proctored_exam=proctored_exam,
             key='allowance_key update 1',
             value='10 minutes'
@@ -57,7 +57,7 @@ class ProctoredExamModelTests(LoggedInTestCase):
             user_id=1,
             proctored_exam=proctored_exam,
         ).update(
-            user_id=1,
+            user=1,
             proctored_exam=proctored_exam,
             key='allowance_key update 2',
             value='5 minutes'

edx_proctoring/tests/test_views.py

@@ -639,7 +639,8 @@ class TestActiveExamsForUserView(LoggedInTestCase):
             proctored_exam_id=proctored_exam.id,
             user_id=self.student_taking_exam.id,
             external_id='123aXqe3',
-            started_at=datetime.now(pytz.UTC)
+            started_at=datetime.now(pytz.UTC),
+            allowed_time_limit_mins=90
         )
 
         ProctoredExamStudentAllowance.objects.create(

edx_proctoring/views.py

@@ -248,7 +248,7 @@ class StudentProctoredExamAttempt(AuthenticatedAPIView):
             exam = exams[0]
 
             # need to adjust for allowances
-            expires_at = exam['attempt']['started_at'] + timedelta(minutes=exam['exam']['time_limit_mins'])
+            expires_at = exam['attempt']['started_at'] + timedelta(minutes=exam['attempt']['allowed_time_limit_mins'])
             now_utc = datetime.now(pytz.UTC)
 
             if expires_at > now_utc: