Merge pull request #22169 from edx/tuchfarber/fix_ecommerce_worker_email

Add data migration to fix ecommerce_worker email

lms/djangoapps/commerce/migrations/0008_auto_20191024_2048.py

@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.25 on 2019-10-24 20:48
+from __future__ import absolute_import, unicode_literals
+
+from django.conf import settings
+from django.db import migrations
+
+USERNAME = settings.ECOMMERCE_SERVICE_WORKER_USERNAME
+NEW_EMAIL = USERNAME + '@example.com'
+OLD_EMAIL = USERNAME + '@fake.email'
+
+class Migration(migrations.Migration):
+
+    def forwards(apps, schema_editor):
+        """Update the email of the service user."""
+        User = apps.get_model("auth", "User")
+        try:
+            user = User.objects.get(username=USERNAME, email=OLD_EMAIL)
+        except User.DoesNotExist:
+            # Fake email doesn't need to updated if it doesn't exist
+            return
+
+        user.email = NEW_EMAIL
+        user.save()
+
+    def backwards(apps, schema_editor):
+        """Replaces new email with old email for the service user."""
+        User = apps.get_model("auth", "User")
+        try:
+            user = User.objects.get(username=USERNAME, email=NEW_EMAIL)
+        except User.DoesNotExist:
+            # Fake email doesn't need to reverted if it wasn't changed by migration
+            return
+
+        user.email = OLD_EMAIL
+        user.save()
+
+    dependencies = [
+        ('commerce', '0007_auto_20180313_0609'),
+    ]
+
+    operations = [
+        migrations.RunPython(forwards, backwards),
+    ]
+