feat: add message center

packages/data-center/src/provider/affine/affine.ts

@@ -11,6 +11,7 @@ import { WebsocketProvider } from './sync.js';
 import { getApis } from './apis/index.js';
 import type { Apis, WorkspaceDetail, Callback } from './apis';
 import { setDefaultAvatar } from '../utils.js';
+import { MessageCode } from 'src/message/code.js';
 
 export interface AffineProviderConstructorParams
   extends ProviderConstructorParams {
@@ -196,7 +197,10 @@ export class AffineProvider extends BaseProvider {
         return;
       }
     }
-    await this._apis.signInWithGoogle?.();
+    const user = await this._apis.signInWithGoogle?.();
+    if (!user) {
+      this._messageCenter.send(MessageCode.loginError);
+    }
   }
 
   public override async getUserInfo(): Promise<User | undefined> {