migrate playlist-backend plugin to the new backend system

Signed-off-by: zcason <a-zcason@expediagroup.com>

packages/backend-next/package.json

@@ -46,6 +46,7 @@
     "@backstage/plugin-permission-backend-module-allow-all-policy": "workspace:^",
     "@backstage/plugin-permission-common": "workspace:^",
     "@backstage/plugin-permission-node": "workspace:^",
+    "@backstage/plugin-playlist-backend": "workspace:^",
     "@backstage/plugin-proxy-backend": "workspace:^",
     "@backstage/plugin-scaffolder-backend": "workspace:^",
     "@backstage/plugin-search-backend": "workspace:^",

packages/backend-next/src/index.ts

@@ -33,6 +33,7 @@ backend.add(import('@backstage/plugin-graphql-backend'));
 backend.add(import('@backstage/plugin-kubernetes-backend/alpha'));
 backend.add(import('@backstage/plugin-lighthouse-backend'));
 backend.add(import('@backstage/plugin-linguist-backend'));
+backend.add(import('@backstage/plugin-playlist-backend'));
 backend.add(
   import('@backstage/plugin-permission-backend-module-allow-all-policy'),
 );

plugins/playlist-backend/api-report.md

@@ -3,6 +3,7 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
+import { BackendFeature } from '@backstage/backend-plugin-api';
 import { BackstageIdentityResponse } from '@backstage/plugin-auth-node';
 import { ConditionalPolicyDecision } from '@backstage/plugin-permission-common';
 import { Conditions } from '@backstage/plugin-permission-node';
@@ -34,6 +35,9 @@ export const createPlaylistConditionalDecision: (
 // @public (undocumented)
 export function createRouter(options: RouterOptions): Promise<express.Router>;
 
+// @public
+export const playlistPlugin: () => BackendFeature;
+
 // @public
 export class DefaultPlaylistPermissionPolicy implements PermissionPolicy {
   // (undocumented)

plugins/playlist-backend/package.json

@@ -29,6 +29,7 @@
   },
   "dependencies": {
     "@backstage/backend-common": "workspace:^",
+    "@backstage/backend-plugin-api": "workspace:^",
     "@backstage/catalog-client": "workspace:^",
     "@backstage/catalog-model": "workspace:^",
     "@backstage/config": "workspace:^",

plugins/playlist-backend/src/index.ts

@@ -26,3 +26,4 @@ export {
   isPlaylistPermission,
   playlistConditions,
 } from './permissions';
+export { playlistPlugin as default } from './plugin';

plugins/playlist-backend/src/plugin.ts

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * 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 {
+  coreServices,
+  createBackendPlugin,
+} from '@backstage/backend-plugin-api';
+import { createRouter } from './service';
+import { loggerToWinstonLogger } from '@backstage/backend-common';
+
+export const playlistPlugin = createBackendPlugin({
+  pluginId: 'playlist',
+  register(env) {
+    env.registerInit({
+      deps: {
+        http: coreServices.httpRouter,
+        logger: coreServices.logger,
+        database: coreServices.database,
+        identity: coreServices.identity,
+        discovery: coreServices.discovery,
+        permissions: coreServices.permissions,
+      },
+      async init({ http, logger, database, identity, discovery, permissions }) {
+        http.use(
+          await createRouter({
+            logger: loggerToWinstonLogger(logger),
+            database,
+            identity,
+            discovery,
+            permissions,
+          }),
+        );
+      },
+    });
+  },
+});

yarn.lock

@@ -8362,6 +8362,7 @@ __metadata:
   resolution: "@backstage/plugin-playlist-backend@workspace:plugins/playlist-backend"
   dependencies:
     "@backstage/backend-common": "workspace:^"
+    "@backstage/backend-plugin-api": "workspace:^"
     "@backstage/backend-test-utils": "workspace:^"
     "@backstage/catalog-client": "workspace:^"
     "@backstage/catalog-model": "workspace:^"
@@ -25969,6 +25970,7 @@ __metadata:
     "@backstage/plugin-permission-backend-module-allow-all-policy": "workspace:^"
     "@backstage/plugin-permission-common": "workspace:^"
     "@backstage/plugin-permission-node": "workspace:^"
+    "@backstage/plugin-playlist-backend": "workspace:^"
     "@backstage/plugin-proxy-backend": "workspace:^"
     "@backstage/plugin-scaffolder-backend": "workspace:^"
     "@backstage/plugin-search-backend": "workspace:^"