refactor: Use related query from objectionjs for mutations

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

@@ -1,36 +1,41 @@
 import { GraphQLInt, GraphQLNonNull } from 'graphql';
 import { GraphQLJSONObject } from 'graphql-type-json';
-import Connection from '../../models/connection';
 import connectionType from '../types/connection';
 import RequestWithCurrentUser from '../../types/express/request-with-current-user';
 
 type Params = {
-  id: number,
-  data: object
-}
-const updateConnectionResolver = async (params: Params, req: RequestWithCurrentUser) => {
-  let connection = await Connection.query().findOne({
-    user_id: req.currentUser.id,
-    id: params.id
-  }).throwIfNotFound();
+  id: number;
+  data: object;
+};
+const updateConnectionResolver = async (
+  params: Params,
+  req: RequestWithCurrentUser
+) => {
+  let connection = await req.currentUser
+    .$relatedQuery('connections')
+    .findOne({
+      id: params.id,
+    })
+    .throwIfNotFound();
 
   connection = await connection.$query().patchAndFetch({
     data: {
       ...connection.data,
-      ...params.data
-    }
-  })
+      ...params.data,
+    },
+  });
 
   return connection;
-}
+};
 
 const updateConnection = {
   type: connectionType,
   args: {
     id: { type: GraphQLNonNull(GraphQLInt) },
-    data: { type: GraphQLNonNull(GraphQLJSONObject) }
+    data: { type: GraphQLNonNull(GraphQLJSONObject) },
   },
-  resolve: (_: any, params: Params, req: RequestWithCurrentUser) => updateConnectionResolver(params, req)
+  resolve: (_: any, params: Params, req: RequestWithCurrentUser) =>
+    updateConnectionResolver(params, req),
 };
 
 export default updateConnection;