Simplify schema

database/schema.py

@@ -11,38 +11,24 @@ class User(SQLAlchemyObjectType):
         exclude_fields = ("password")
         interfaces = (relay.Node, )
 
-
-class UserConnections(relay.Connection):
-    class Meta:
-        node = User
-
-
 class Application(SQLAlchemyObjectType):
     class Meta:
         model = ApplicationModel
         interfaces = (relay.Node, )
 
-
-class ApplicationConnections(relay.Connection):
-    class Meta:
-        node = Application
-
-
 class Role(SQLAlchemyObjectType):
     class Meta:
         model = RoleModel
         interfaces = (relay.Node, )
 
 
-class RoleConnections(relay.Connection):
-    class Meta:
-        node = Role
-
-
 class Query(graphene.ObjectType):
     node = relay.Node.Field()
-    all_users = SQLAlchemyConnectionField(UserConnections)
-    all_application = SQLAlchemyConnectionField(ApplicationConnections)
-    all_roles = SQLAlchemyConnectionField(RoleConnections)
+    all_users = SQLAlchemyConnectionField(User)
+    find_user = graphene.Field(User,username=graphene.String())
+
+    def resolve_find_user(root, info, username):
+        query = User.get_query(info)
+        return query.filter(UserModel.username == username).first()
 
 schema = graphene.Schema(query=Query)