fix(core): update

ts/classes.platformservicedb.ts

@@ -0,0 +1,27 @@
+import * as plugins from './platformservice.plugins.js';
+import { SzPlatformService } from './classes.platformservice.js';
+
+
+
+export class PlatformServiceDb {
+  public smartdataDb: plugins.smartdata.SmartdataDb;
+  public platformserviceRef: SzPlatformService;
+
+  constructor(platformserviceRefArg: SzPlatformService) {
+    this.platformserviceRef = platformserviceRefArg;
+  }
+
+  public async start() {
+    this.smartdataDb = new plugins.smartdata.SmartdataDb({
+      mongoDbUser: await this.platformserviceRef.serviceQenv.getEnvVarOnDemand('MONGO_DB_USER'),
+      mongoDbName: await this.platformserviceRef.serviceQenv.getEnvVarOnDemand('MONGO_DB_NAME'),
+      mongoDbPass: await this.platformserviceRef.serviceQenv.getEnvVarOnDemand('MONGO_DB_PASS'),
+      mongoDbUrl: await this.platformserviceRef.serviceQenv.getEnvVarOnDemand('MONGO_DB_URL'),
+    });
+    await this.smartdataDb.init();
+  }
+
+  public async stop() {
+    await this.smartdataDb.close();
+  }
+}