refactor: Use related query from objectionjs for mutations

packages/backend/src/graphql/mutations/create-connection.ts

@@ -1,5 +1,4 @@
 import { GraphQLNonNull } from 'graphql';
-import Connection from '../../models/connection';
 import App from '../../models/app';
 import connectionType from '../types/connection';
 import availableAppsEnumType from '../types/available-apps-enum-type';
@@ -7,31 +6,34 @@ import RequestWithCurrentUser from '../../types/express/request-with-current-use
 import { GraphQLJSONObject } from 'graphql-type-json';
 
 type Params = {
-  key: string,
-  data: object
-}
-const createConnectionResolver = async (params: Params, req: RequestWithCurrentUser) => {
+  key: string;
+  data: object;
+};
+const createConnectionResolver = async (
+  params: Params,
+  req: RequestWithCurrentUser
+) => {
   const app = App.findOneByKey(params.key);
 
-  const connection = await Connection.query().insert({
+  const connection = await req.currentUser.$relatedQuery('connections').insert({
     key: params.key,
     data: params.data,
-    userId: req.currentUser.id
   });
 
   return {
     ...connection,
     app,
   };
-}
+};
 
 const createConnection = {
   type: connectionType,
   args: {
     key: { type: GraphQLNonNull(availableAppsEnumType) },
-    data: { type: GraphQLNonNull(GraphQLJSONObject) }
+    data: { type: GraphQLNonNull(GraphQLJSONObject) },
   },
-  resolve: (_: any, params: Params, req: RequestWithCurrentUser) => createConnectionResolver(params, req)
+  resolve: (_: any, params: Params, req: RequestWithCurrentUser) =>
+    createConnectionResolver(params, req),
 };
 
 export default createConnection;