feat(full-stack): disable notifications after 3 failures

This stops notifications from firing over and over again if they are repeatedly failing.

[TESTING -> locally with docker compose, DATABASE MIGRATION -> there is a single migration]

Issue: https://www.pivotaltracker.com/story/show/b144646649n

- [ ] It works!
- [ ] Comments provide sufficient explanations for the next contributor
- [ ] Tests cover changes and corner cases
- [ ] Follows Quay syntax patterns and format

endpoints/api/repositorynotification.py

@@ -2,6 +2,7 @@
 
 import json
 
+import logging
 from flask import request
 
 from app import notification_queue
@@ -14,7 +15,7 @@ from endpoints.notificationmethod import (NotificationMethod,
                                           CannotValidateNotificationMethodException)
 from endpoints.notificationhelper import build_notification_data
 from data import model
-
+logger = logging.getLogger(__name__)
 
 def notification_view(note):
   config = {}
@@ -36,6 +37,7 @@ def notification_view(note):
     'config': config,
     'title': note.title,
     'event_config': event_config,
+    'number_of_failures': note.number_of_failures,
   }
 
 
@@ -154,6 +156,18 @@ class RepositoryNotification(RepositoryParamResource):
 
     return 'No Content', 204
 
+  @require_repo_admin
+  @nickname('resetRepositoryNotificationFailures')
+  @disallow_for_app_repositories
+  def post(self, namespace, repository, uuid):
+    """ Resets repository notification to 0 failures. """
+    model.notification.reset_notification_number_of_failures(namespace, repository, uuid)
+    log_action('reset_repo_notification', namespace,
+               {'repo': repository, 'namespace': namespace, 'notification_id': uuid},
+               repo=model.repository.get_repository(namespace, repository))
+
+    return 'No Content', 204
+
 
 @resource('/v1/repository/<apirepopath:repository>/notification/<uuid>/test')
 @path_param('repository', 'The full path of the repository. e.g. namespace/name')