Integrating Admin for assigning permissions.

Ecom-6713

course_discovery/apps/publisher/admin.py

 from django.contrib import admin
+from guardian.admin import GuardedModelAdmin
 
 from course_discovery.apps.publisher.models import (
     Course, CourseRun, CourseUserRole, OrganizationExtension, OrganizationUserRole, Seat, State, UserAttributes
@@ -6,7 +7,6 @@ from course_discovery.apps.publisher.models import (
 
 admin.site.register(Course)
 admin.site.register(CourseRun)
-admin.site.register(OrganizationExtension)
 admin.site.register(OrganizationUserRole)
 admin.site.register(Seat)
 admin.site.register(State)
@@ -16,3 +16,8 @@ admin.site.register(UserAttributes)
 @admin.register(CourseUserRole)
 class CourseUserRoleAdmin(admin.ModelAdmin):
     raw_id_fields = ('user',)
+
+
+@admin.register(OrganizationExtension)
+class OrganizationExtensionAdmin(GuardedModelAdmin):
+    pass

course_discovery/apps/publisher/migrations/0027_remove_old_permissions.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+def remove_permissions(apps, schema_editor):
+    # Few permissions renamed but remains in db. Removing them now.
+    Permission = apps.get_model('auth', 'Permission')
+    ContentType = apps.get_model('contenttypes', 'ContentType')
+    OrganizationExtension = apps.get_model('publisher', 'OrganizationExtension')
+
+    org_ext_content_type = ContentType.objects.get_for_model(OrganizationExtension)
+    Permission.objects.filter(
+        content_type=org_ext_content_type, codename__in=['view_course_run', 'edit_course_run']
+    ).delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('publisher', '0026_create_switch_hide_features_for_pilot'),
+        ('auth', '0006_require_contenttypes_0002'),
+    ]
+
+    operations = [
+        migrations.RunPython(remove_permissions, reverse_code=migrations.RunPython.noop)
+    ]