Convert over to notifications system. Note this is incomplete

data/database.py

@@ -382,18 +382,10 @@ class RepositoryNotification(BaseModel):
   config_json = TextField()
 
 
-# TODO: remove after migration.
-class Webhook(BaseModel):
-  public_id = CharField(default=random_string_generator(length=64),
-                        unique=True, index=True)
-  repository = ForeignKeyField(Repository)
-  parameters = TextField()
-
-
 all_models = [User, Repository, Image, AccessToken, Role, RepositoryPermission, Visibility,
               RepositoryTag, EmailConfirmation, FederatedLogin, LoginService, QueueItem,
               RepositoryBuild, Team, TeamMember, TeamRole, LogEntryKind, LogEntry,
               PermissionPrototype, ImageStorage, BuildTriggerService, RepositoryBuildTrigger,
               OAuthApplication, OAuthAuthorizationCode, OAuthAccessToken, NotificationKind,
               Notification, ImageStorageLocation, ImageStoragePlacement,
-              ExternalNotificationEvent, ExternalNotificationMethod, RepositoryNotification, Webhook]
+              ExternalNotificationEvent, ExternalNotificationMethod, RepositoryNotification]

data/model/legacy.py

@@ -840,6 +840,13 @@ def get_repository_for_resource(resource_key):
     return None
 
 
+def lookup_repository(repo_id):
+  try:
+    return Repository.get(Repository.id == repo_id)
+  except Repository.DoesNotExist:
+    return None
+
+
 def get_repository(namespace_name, repository_name):
   try:
     return Repository.get(Repository.name == repository_name,
@@ -1540,6 +1547,13 @@ def create_repo_notification(repo, event_name, method_name, config):
                                        config_json=json.dumps(config))
 
 
+def lookup_repo_notification(notification_id):
+  try:
+    return RepositoryNotification.get(RepositoryNotification.id == notification_id)
+  except RepositoryNotification.DoesNotExist:
+    return None
+
+
 def get_repo_notification(namespace_name, repository_name, uuid):
   joined = RepositoryNotification.select().join(Repository)
   found = list(joined.where(Repository.namespace == namespace_name,
@@ -1558,11 +1572,16 @@ def delete_repo_notification(namespace_name, repository_name, uuid):
   return found
 
 
-def list_repo_notifications(namespace_name, repository_name):
+def list_repo_notifications(namespace_name, repository_name, event_name=None):
   joined = RepositoryNotification.select().join(Repository)
-  return joined.where(Repository.namespace == namespace_name,
-                      Repository.name == repository_name)
+  where = joined.where(Repository.namespace == namespace_name,
+                       Repository.name == repository_name)
 
+  if event_name:
+    event = ExternalNotificationEvent.get(ExternalNotificationEvent.name == event_name)
+    where = where.where(Repostiory.event == event)
+
+  return where
 
 # TODO: remove webhook methods when no longer used.
 def create_webhook(repo, params_obj):