Refactor: split code into several django apps (we call them modules).

dav_events/workflow.py

@@ -4,6 +4,7 @@ from django.apps import apps
 from django.utils import timezone
 
 from . import emails
+from .utils import get_users_by_role
 
 logger = logging.getLogger(__name__)
 
@@ -143,7 +144,6 @@ class BasicWorkflow(object):
         recipients = [event.owner]
         if event.is_flagged('submitted'):
             # If the event is already submitted, add managers to the recipients.
-            from .utils import get_users_by_role
             recipients += get_users_by_role('manage_all')
             recipients += get_users_by_role('manage_{}'.format(event.sport.lower()))
             if event.is_flagged('accepted'):
@@ -174,7 +174,6 @@ class BasicWorkflow(object):
             # Inform managers that they have to accept the event.
             # Also create OneClickActions for all of them and add the link to the mail,
             # so they can accept the event with a click into the mail.
-            from .utils import get_users_by_role
             recipients = get_users_by_role('manage_all')
             recipients += get_users_by_role('manage_{}'.format(event.sport.lower()))
             OneClickAction = app_config.get_model('OneClickAction')
@@ -195,7 +194,6 @@ class BasicWorkflow(object):
             # Inform publishers that they have to publish the event.
             # Also create OneClickActions for all of them and add the link to the mail,
             # so they can confirm the publication with a click into the mail.
-            from .utils import get_users_by_role
             recipients = get_users_by_role('publish_incremental')
             OneClickAction = app_config.get_model('OneClickAction')
             for recipient in recipients: