Commit fb25a2c2 by Chris Dodge

add uniqueness constraint as the same user should not have two exam attempts on the same exam

parent 1829df16
# -*- 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 unique constraint on 'ProctoredExamStudentAttempt', fields ['user', 'proctored_exam']
db.create_unique('proctoring_proctoredexamstudentattempt', ['user_id', 'proctored_exam_id'])
def backwards(self, orm):
# Removing unique constraint on 'ProctoredExamStudentAttempt', fields ['user', 'proctored_exam']
db.delete_unique('proctoring_proctoredexamstudentattempt', ['user_id', 'proctored_exam_id'])
models = {
'auth.group': {
'Meta': {'object_name': 'Group'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
},
'auth.permission': {
'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
},
'auth.user': {
'Meta': {'object_name': 'User'},
'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
},
'contenttypes.contenttype': {
'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
},
'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', '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': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
'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': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
'value': ('django.db.models.fields.CharField', [], {'max_length': '255'})
},
'edx_proctoring.proctoredexamstudentattempt': {
'Meta': {'unique_together': "(('user', 'proctored_exam'),)", 'object_name': 'ProctoredExamStudentAttempt', 'db_table': "'proctoring_proctoredexamstudentattempt'"},
'allowed_time_limit_mins': ('django.db.models.fields.IntegerField', [], {}),
'attempt_code': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'db_index': 'True'}),
'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'}),
'is_sample_attempt': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
'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'}),
'taking_as_proctored': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
},
'edx_proctoring.proctoredexamstudentattempthistory': {
'Meta': {'object_name': 'ProctoredExamStudentAttemptHistory'},
'allowed_time_limit_mins': ('django.db.models.fields.IntegerField', [], {}),
'attempt_code': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'db_index': 'True'}),
'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'}),
'is_sample_attempt': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
'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'}),
'taking_as_proctored': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
}
}
complete_apps = ['edx_proctoring']
\ No newline at end of file
...@@ -229,6 +229,7 @@ class ProctoredExamStudentAttempt(TimeStampedModel): ...@@ -229,6 +229,7 @@ class ProctoredExamStudentAttempt(TimeStampedModel):
""" Meta class for this Django model """ """ Meta class for this Django model """
db_table = 'proctoring_proctoredexamstudentattempt' db_table = 'proctoring_proctoredexamstudentattempt'
verbose_name = 'proctored exam attempt' verbose_name = 'proctored exam attempt'
unique_together = (('user', 'proctored_exam'),)
@property @property
def is_active(self): def is_active(self):
......
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