feat(notifications): send notifications to admins when an event is autocancelled

- add new model for adminnotifications
- setup socketio for real time notifications
- add query to get all notifications
- add mutation to change the status of notification

[Delivers CON-71]

Author: codinger41

.circleci/config.yml

@@ -191,7 +191,7 @@ jobs:
             ./cc-test-reporter before-build
             . venv/bin/activate
             coverage combine parallel-coverage/ 
-            coverage xml
+            coverage xml -i
             coverage report
             ./cc-test-reporter format-coverage -o ./.coverage -t coverage.py
             ./cc-test-reporter upload-coverage -i .coverage

.codeclimate.yml

@@ -2,4 +2,7 @@ version: "2"
 exclude_patterns:
   - "helpers/auth/authentication.py"
   - "helpers/calendar/events.py"
-  - "alembic/"
+  - "alembic/"
+  - "admin_notifications/__init__.py"
+  - "admin_notifications/helpers/__init__.py"
+  - "admin_notifications/helpers/notification_templates.py"

.coveragerc

@@ -1,11 +1,23 @@
-from flask_socketio import send, emit
 from admin_notifications.models import AdminNotification
-from manage import socketio
+from api.location.models import Location
+from datetime import datetime
 import celery
 
 
-@celery.task(name="create-notification")
+def update_notification(notification_id):
+    notification = AdminNotification.query.filter_by(id=notification_id).first()
+    notification.date_received = datetime.now()
+    notification.save()
+
+
+@celery.task
 def create_notification(title, message, location_id):
+    """
+    Create notifications in the database and emit them to the client
+    """
+    from manage import socketio
+    location = Location.query.filter_by(id=location_id).first()
+    location_name = location.name
     notification = AdminNotification(
         title=title,
         message=message,
@@ -14,4 +26,9 @@ def create_notification(title, message, location_id):
     )
     notification.save()
     new_notification = {"title": title, "message": message}
-    return socketio.emit('notification', {'notification': new_notification}, broadcast=True)
+    return socketio.emit(
+            f"notifications-{location_name}",
+            {'notification': new_notification},
+            broadcast=True,
+            callback=update_notification(notification.id)
+        )

notifications/__init__.py admin_notifications/__init__.pynotifications/__init__.py renamed to admin_notifications/__init__.py

@@ -0,0 +1,6 @@
+def event_auto_cancelled_notification(event_name, room_name):
+    return {
+        "title": "Event Auto cancelled.",
+        "message": f"An event {event_name} in {room_name} \
+has been auto cancelled."
+    }

notifications/helpers/__init__.py admin_notifications/helpers/__init__.pynotifications/helpers/__init__.py renamed to admin_notifications/helpers/__init__.py

@@ -15,4 +15,5 @@ class AdminNotification(Base, Utility):
     location_id = Column(
         Integer,
         ForeignKey('locations.id', ondelete="CASCADE"),
-        nullable=True)
+        nullable=True
+    )