feat: add service factory for signal service

Signed-off-by: Heikki Hellgren <heikki.hellgren@op.fi>

plugins/signals-node/api-report.md

@@ -12,13 +12,13 @@ import { EventSubscriber } from '@backstage/plugin-events-node';
 import { IdentityApi } from '@backstage/plugin-auth-node';
 import { IncomingMessage } from 'http';
 import { JsonObject } from '@backstage/types';
-import { Logger } from 'winston';
+import { LoggerService } from '@backstage/backend-plugin-api';
 import { ServiceRef } from '@backstage/backend-plugin-api';
 
 // @public (undocumented)
 export type ServiceOptions = {
   eventBroker?: EventBroker;
-  logger: Logger;
+  logger: LoggerService;
   identity: IdentityApi;
 };
 

plugins/signals-node/src/SignalService.ts

@@ -18,7 +18,6 @@ import {
   EventParams,
   EventSubscriber,
 } from '@backstage/plugin-events-node';
-import { Logger } from 'winston';
 import {
   ServiceOptions,
   SignalConnection,
@@ -34,6 +33,7 @@ import {
   IdentityApiGetIdentityRequest,
 } from '@backstage/plugin-auth-node';
 import { Duplex } from 'stream';
+import { LoggerService } from '@backstage/backend-plugin-api';
 
 /** @public */
 export class SignalService implements EventSubscriber {
@@ -43,7 +43,7 @@ export class SignalService implements EventSubscriber {
     SignalConnection
   >();
   private eventBroker?: EventBroker;
-  private logger: Logger;
+  private logger: LoggerService;
   private identity: IdentityApi;
   private server: WebSocketServer;
 

plugins/signals-node/src/lib.ts

@@ -13,9 +13,27 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { createServiceRef } from '@backstage/backend-plugin-api';
+import {
+  coreServices,
+  createServiceFactory,
+  createServiceRef,
+} from '@backstage/backend-plugin-api';
+import { SignalService } from './SignalService';
 
 /** @public */
-export const signalService = createServiceRef<
-  import('./SignalService').SignalService
->({ id: 'signals.service', scope: 'plugin' });
+export const signalService = createServiceRef<SignalService>({
+  id: 'signals.service',
+  scope: 'plugin',
+  defaultFactory: async service =>
+    createServiceFactory({
+      service,
+      deps: {
+        logger: coreServices.logger,
+        identity: coreServices.identity,
+        // TODO: EventBroker
+      },
+      factory({ logger, identity }) {
+        return SignalService.create({ identity, logger });
+      },
+    }),
+});

plugins/signals-node/src/types.ts

@@ -15,16 +15,16 @@
  */
 import { IdentityApi } from '@backstage/plugin-auth-node';
 import { EventBroker } from '@backstage/plugin-events-node';
-import { Logger } from 'winston';
 import { WebSocket } from 'ws';
 import { JsonObject } from '@backstage/types';
+import { LoggerService } from '@backstage/backend-plugin-api';
 
 /**
  * @public
  */
 export type ServiceOptions = {
   eventBroker?: EventBroker;
-  logger: Logger;
+  logger: LoggerService;
   identity: IdentityApi;
 };