todo-backend: initial setup and mock API

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/todo-backend/package.json

@@ -10,7 +10,6 @@
     "types": "dist/index.d.ts"
   },
   "scripts": {
-    "start": "backstage-cli backend:dev",
     "build": "backstage-cli backend:build",
     "lint": "backstage-cli lint",
     "test": "backstage-cli test",
@@ -20,6 +19,7 @@
   },
   "dependencies": {
     "@backstage/backend-common": "^0.5.5",
+    "@backstage/catalog-client": "^0.3.6",
     "@backstage/config": "^0.1.3",
     "@types/express": "^4.17.6",
     "express": "^4.17.1",

plugins/todo-backend/src/run.ts

@@ -1,33 +0,0 @@
-/*
- * Copyright 2020 Spotify AB
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { getRootLogger } from '@backstage/backend-common';
-import yn from 'yn';
-import { startStandaloneServer } from './service/standaloneServer';
-
-const port = process.env.PLUGIN_PORT ? Number(process.env.PLUGIN_PORT) : 7000;
-const enableCors = yn(process.env.PLUGIN_CORS, { default: false });
-const logger = getRootLogger();
-
-startStandaloneServer({ port, enableCors, logger }).catch(err => {
-  logger.error(err);
-  process.exit(1);
-});
-
-process.on('SIGINT', () => {
-  logger.info('CTRL+C pressed; exiting.');
-  process.exit(0);
-});

plugins/todo-backend/src/service/router.ts

@@ -14,13 +14,18 @@
  * limitations under the License.
  */
 
-import { errorHandler } from '@backstage/backend-common';
+import { UrlReader } from '@backstage/backend-common';
+import { CatalogClient } from '@backstage/catalog-client';
+import { Config } from '@backstage/config';
 import express from 'express';
 import Router from 'express-promise-router';
 import { Logger } from 'winston';
 
 export interface RouterOptions {
   logger: Logger;
+  config: Config;
+  reader: UrlReader;
+  catalogClient: CatalogClient;
 }
 
 export async function createRouter(
@@ -31,10 +36,10 @@ export async function createRouter(
   const router = Router();
   router.use(express.json());
 
-  router.get('/health', (_, response) => {
-    logger.info('PONG!');
-    response.send({ status: 'ok' });
+  router.get('/v1/todos', (req, res) => {
+    logger.debug('got todo request', req.query);
+    res.json({ items: [{ text: 'Test TODO' }], totalCount: 1 });
   });
-  router.use(errorHandler());
+
   return router;
 }

plugins/todo-backend/src/service/standaloneServer.ts

@@ -1,62 +0,0 @@
-/*
- * Copyright 2021 Spotify AB
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/*
- * Copyright 2020 Spotify AB
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { createServiceBuilder } from '@backstage/backend-common';
-import { Server } from 'http';
-import { Logger } from 'winston';
-import { createRouter } from './router';
-
-export interface ServerOptions {
-  port: number;
-  enableCors: boolean;
-  logger: Logger;
-}
-
-export async function startStandaloneServer(
-  options: ServerOptions,
-): Promise<Server> {
-  const logger = options.logger.child({ service: 'todo-backend' });
-  logger.debug('Starting application server...');
-  const router = await createRouter({
-    logger,
-  });
-
-  const service = createServiceBuilder(module)
-    .enableCors({ origin: 'http://localhost:3000' })
-    .addRouter('/todo', router);
-
-  return await service.start().catch(err => {
-    logger.error(err);
-    process.exit(1);
-  });
-}
-
-module.hot?.accept();

plugins/todo-backend/src/setupTests.ts

@@ -1,17 +0,0 @@
-/*
- * Copyright 2020 Spotify AB
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-export {};