Initial implementation completion and refactor (#6806)

webclient/src/websocket/commands/session/addToList.ts

@@ -1,4 +1,4 @@
-import webClient from '../../WebClient';
+import { BackendService } from '../../services/BackendService';
 import { SessionPersistence } from '../../persistence';
 
 export function addToBuddyList(userName: string): void {
@@ -10,16 +10,9 @@ export function addToIgnoreList(userName: string): void {
 }
 
 export function addToList(list: string, userName: string): void {
-  const command = webClient.protobuf.controller.Command_AddToList.create({ list, userName });
-  const sc = webClient.protobuf.controller.SessionCommand.create({ '.Command_AddToList.ext': command });
-
-  webClient.protobuf.sendSessionCommand(sc, ({ responseCode }) => {
-    switch (responseCode) {
-      case webClient.protobuf.controller.Response.ResponseCode.RespOk:
-        SessionPersistence.addToList(list, userName);
-        break;
-      default:
-        console.error('Failed to add to list', responseCode);
-    }
+  BackendService.sendSessionCommand('Command_AddToList', { list, userName }, {
+    onSuccess: () => {
+      SessionPersistence.addToList(list, userName);
+    },
   });
 }