Reduce the number of DB queries for creating a repo

data/database.py

@@ -574,7 +574,7 @@ class RepositoryKind(BaseModel):
 class Repository(BaseModel):
   namespace_user = QuayUserField(null=True)
   name = FullIndexedCharField(match_function=db_match_func)
-  visibility = ForeignKeyField(Visibility)
+  visibility = EnumField(Visibility)
   description = FullIndexedTextField(match_function=db_match_func, null=True)
   badge_token = CharField(default=uuid_generator)
   kind = EnumField(RepositoryKind)

data/model/repository.py

@@ -35,22 +35,25 @@ def get_public_repo_visibility():
 
 def create_repository(namespace, name, creating_user, visibility='private', repo_kind='image',
                       description=None):
-  private = Visibility.get(name=visibility)
   namespace_user = User.get(username=namespace)
-  repo = Repository.create(name=name, visibility=private, namespace_user=namespace_user,
-                           kind=Repository.kind.get_id(repo_kind), description=description)
-  admin = Role.get(name='admin')
-
   yesterday = datetime.now() - timedelta(days=1)
+
+  repo = Repository.create(name=name, visibility=Repository.visibility.get_id(visibility),
+                           namespace_user=namespace_user,
+                           kind=Repository.kind.get_id(repo_kind),
+                           description=description)
+
   RepositoryActionCount.create(repository=repo, count=0, date=yesterday)
   RepositorySearchScore.create(repository=repo, score=0)
 
   if creating_user and not creating_user.organization:
+    admin = Role.get(name='admin')
     RepositoryPermission.create(user=creating_user, repository=repo, role=admin)
 
     if creating_user.username != namespace:
       # Permission prototypes only work for orgs
       permission.apply_default_permissions(repo, creating_user)
+
   return repo