Add BaseService class to server-core package (#9385)

Author: hurairahmateen

packages/server-core/src/BaseService.ts

@@ -0,0 +1,55 @@
+/*
+CPAL-1.0 License
+
+The contents of this file are subject to the Common Public Attribution License
+Version 1.0. (the "License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+https://github.com/EtherealEngine/etherealengine/blob/dev/LICENSE.
+The License is based on the Mozilla Public License Version 1.1, but Sections 14
+and 15 have been added to cover use of software over a computer network and 
+provide for limited attribution for the Original Developer. In addition, 
+Exhibit A has been modified to be consistent with Exhibit B.
+
+Software distributed under the License is distributed on an "AS IS" basis,
+WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
+specific language governing rights and limitations under the License.
+
+The Original Code is Ethereal Engine.
+
+The Original Developer is the Initial Developer. The Initial Developer of the
+Original Code is the Ethereal Engine team.
+
+All portions of the code written by the Ethereal Engine team are Copyright © 2021-2023 
+Ethereal Engine. All Rights Reserved.
+*/
+
+import { Application, Id, NullableId, PaginationParams, Params, ServiceMethods } from '@feathersjs/feathers'
+
+export class BaseService<Result, Data = Partial<Result>, ServiceParams = Params, PatchData = Partial<Data>>
+  implements ServiceMethods<Result, Data, ServiceParams, PatchData>
+{
+  find(params?: (ServiceParams & { paginate?: PaginationParams | undefined }) | undefined): Promise<Result[]> {
+    return Promise.resolve([{} as Result])
+  }
+  get(id: Id, params?: ServiceParams | undefined): Promise<Result> {
+    return Promise.resolve({} as Result)
+  }
+  create(data: Data, params?: ServiceParams | undefined): Promise<Result> {
+    return Promise.resolve({} as Result)
+  }
+  update(id: NullableId, data: Data, params?: ServiceParams | undefined): Promise<Result | Result[]> {
+    return Promise.resolve({} as Result)
+  }
+  patch(id: NullableId, data: PatchData, params?: ServiceParams | undefined): Promise<Result | Result[]> {
+    return Promise.resolve({} as Result)
+  }
+  remove(id: NullableId, params?: ServiceParams | undefined): Promise<Result | Result[]> {
+    return Promise.resolve({} as Result)
+  }
+  setup?(app: Application<any, any>, path: string): Promise<void> {
+    return Promise.resolve()
+  }
+  teardown?(app: Application<any, any>, path: string): Promise<void> {
+    return Promise.resolve()
+  }
+}