Split up event notification, make sorting on username work.

cms/djangoapps/course_creators/admin.py

@@ -2,13 +2,15 @@
 django admin page for the course creators table
 """
 
-from course_creators.models import CourseCreator, update_creator_state
+from course_creators.models import CourseCreator, update_creator_state, send_user_notification, send_admin_notification
 from course_creators.views import update_course_creator_group
 
 from ratelimitbackend import admin
 from django.conf import settings
 from django.dispatch import receiver
 from mitxmako.shortcuts import render_to_string
+from django.core.mail import send_mail
+from smtplib import SMTPException
 
 import logging
 
@@ -28,12 +30,12 @@ class CourseCreatorAdmin(admin.ModelAdmin):
     """
 
     # Fields to display on the overview page.
-    list_display = ['user', get_email, 'state', 'state_changed', 'note']
-    readonly_fields = ['user', 'state_changed']
+    list_display = ['username', get_email, 'state', 'state_changed', 'note']
+    readonly_fields = ['username', 'state_changed']
     # Controls the order on the edit form (without this, read-only fields appear at the end).
     fieldsets = (
         (None, {
-            'fields': ['user', 'state', 'state_changed', 'note']
+            'fields': ['username', 'state', 'state_changed', 'note']
         }),
     )
     # Fields that filtering support
@@ -43,6 +45,16 @@ class CourseCreatorAdmin(admin.ModelAdmin):
     # Turn off the action bar (we have no bulk actions)
     actions = None
 
+    def username(self, inst):
+        """
+        Returns the username for a given user.
+
+        Implemented to make sorting by username instead of by user object.
+        """
+        return inst.user.username
+
+    username.admin_order_field = 'user__username'
+
     def has_add_permission(self, request):
         return False
 
@@ -70,6 +82,12 @@ def update_creator_group_callback(sender, **kwargs):
     updated_state = kwargs['state']
     update_course_creator_group(kwargs['caller'], user, updated_state == CourseCreator.GRANTED)
 
+
+@receiver(send_user_notification, sender=CourseCreator)
+def send_user_notification_callback(sender, **kwargs):
+    user = kwargs['user']
+    updated_state = kwargs['state']
+
     studio_request_email = settings.MITX_FEATURES.get('STUDIO_REQUEST_EMAIL','')
     context = {'studio_request_email': studio_request_email}
 
@@ -88,3 +106,29 @@ def update_creator_group_callback(sender, **kwargs):
         user.email_user(subject, message, studio_request_email)
     except:
         log.warning("Unable to send course creator status e-mail to %s", user.email)
+
+
+@receiver(send_admin_notification, sender=CourseCreator)
+def send_admin_notification_callback(sender, **kwargs):
+    """
+    Callback for notifying admin of a user in the 'pending' state.
+    """
+    user = kwargs['user']
+
+    studio_request_email = settings.MITX_FEATURES.get('STUDIO_REQUEST_EMAIL','')
+    context = {'user_name': user.username, 'user_email': user.email}
+
+    subject = render_to_string('emails/course_creator_admin_subject.txt', context)
+    subject = ''.join(subject.splitlines())
+    message = render_to_string('emails/course_creator_admin_user_pending.txt', context)
+
+    try:
+        send_mail(
+            subject,
+            message,
+            studio_request_email,
+            [studio_request_email],
+            fail_silently=False
+        )
+    except SMTPException:
+        log.warning("Failure sending 'pending state' e-mail for %s to %s", user.email, studio_request_email)