Add history to CourseEntitlementSupportDetail

common/djangoapps/entitlements/migrations/0013_historicalcourseentitlementsupportdetail.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.26 on 2019-12-17 14:08
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+import model_utils.fields
+import simple_history.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course_overviews', '0017_auto_20191002_0823'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('entitlements', '0012_allow_blank_order_number_values'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='HistoricalCourseEntitlementSupportDetail',
+            fields=[
+                ('id', models.IntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('reason', models.CharField(choices=[('LEAVE', 'Learner requested leave session for expired entitlement'), ('CHANGE', 'Learner requested session change for expired entitlement'), ('LEARNER_NEW', 'Learner requested new entitlement'), ('COURSE_TEAM_NEW', 'Course team requested entitlement for learnerg'), ('OTHER', 'Other')], max_length=15)),
+                ('action', models.CharField(choices=[('REISSUE', 'Re-issue entitlement'), ('CREATE', 'Create new entitlement')], max_length=15)),
+                ('comments', models.TextField(null=True)),
+                ('history_id', models.AutoField(primary_key=True, serialize=False)),
+                ('history_date', models.DateTimeField()),
+                ('history_change_reason', models.CharField(max_length=100, null=True)),
+                ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
+                ('entitlement', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='entitlements.CourseEntitlement')),
+                ('history_user', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
+                ('support_user', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL)),
+                ('unenrolled_run', models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='course_overviews.CourseOverview')),
+            ],
+            options={
+                'ordering': ('-history_date', '-history_id'),
+                'get_latest_by': 'history_date',
+                'verbose_name': 'historical course entitlement support detail',
+            },
+            bases=(simple_history.models.HistoricalChanges, models.Model),
+        ),
+    ]

common/djangoapps/entitlements/models.py

@@ -503,6 +503,8 @@ class CourseEntitlementSupportDetail(TimeStampedModel):
         on_delete=models.CASCADE,
     )
 
+    history = HistoricalRecords()
+
     def __str__(self):
         """Unicode representation of an Entitlement"""
         return u'Course Entitlement Support Detail: entitlement: {}, support_user: {}, reason: {}'.format(