feat: Implement getConnectedApps graphQL query

packages/backend/src/graphql/queries/get-connected-apps.ts

@@ -0,0 +1,43 @@
+import { GraphQLList, GraphQLString } from 'graphql';
+import Connection from '../../models/connection';
+import App from '../../models/app';
+import RequestWithCurrentUser from '../../types/express/request-with-current-user';
+import appType from '../types/app';
+
+type Params = {
+  name: string
+}
+
+const getConnectedAppsResolver = async (params: Params, req: RequestWithCurrentUser) => {
+  let apps = App.findAll(params.name)
+
+  const connections = await Connection.query()
+    .select('connections.key')
+    .count('connections.id as count')
+    .where({ user_id: req.currentUser.id, verified: true })
+    .groupBy('connections.key')
+
+  const connectionKeys = connections.map(connection => connection.key)
+
+  apps = apps
+    .filter((app: any) => connectionKeys.includes(app.key))
+    .map((app: any) => {
+      const connection = connections
+        .find((connection: any) => connection.key === app.key)
+
+      app.connectionCount = connection.count;
+      return app;
+    })
+
+  return apps;
+}
+
+const getConnectedApps = {
+  type: GraphQLList(appType),
+  args: {
+    name: { type: GraphQLString }
+  },
+  resolve: (_: any, params: Params, req: RequestWithCurrentUser) => getConnectedAppsResolver(params, req)
+}
+
+export default getConnectedApps;

packages/backend/src/graphql/root-query.ts

@@ -1,12 +1,14 @@
 import { GraphQLObjectType } from 'graphql';
 import getApps from './queries/get-apps';
 import getApp from './queries/get-app';
+import getConnectedApps from './queries/get-connected-apps';
 
 const rootQuery = new GraphQLObjectType({
   name: 'Query',
   fields: {
-    getApps: getApps,
+    getApps,
-    getApp: getApp
+    getApp,
+    getConnectedApps
   }
 });
 

packages/backend/src/graphql/types/app.ts

@@ -1,4 +1,4 @@
-import { GraphQLObjectType, GraphQLString, GraphQLList } from 'graphql';
+import { GraphQLObjectType, GraphQLString, GraphQLList, GraphQLInt } from 'graphql';
 import fieldType from './field';
 import authenticationStepType from './authentication-step';
 
@@ -7,6 +7,7 @@ const appType = new GraphQLObjectType({
   fields: {
     name: { type: GraphQLString },
     key: { type: GraphQLString },
+    connectionCount: { type: GraphQLInt },
     slug: { type: GraphQLString },
     iconUrl: { type: GraphQLString },
     docUrl: { type: GraphQLString },

packages/backend/src/models/connection.ts

@@ -7,6 +7,7 @@ class Connection extends Base {
   data!: any
   userId!: number
   verified: boolean
+  count: number
 
   static tableName = 'connections';