refactor: The implementation of the _handlerAffineListMessage function has been improved to make the code for synchronising the latest number and status of workspaces more readable and easier to understand,

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

@@ -107,18 +107,25 @@ export class AffineProvider extends BaseProvider {
     metadata,
   }: ChannelMessage) {
     this._logger('receive server message');
-    const addedWorkspaces: WorkspaceUnit[] = [];
-    const removeWorkspaceList = this._workspaces.list().map(w => w.id);
+    const newlyCreatedWorkspaces: WorkspaceUnit[] = [];
+    const currentWorkspaceIds = this._workspaces.list().map(w => w.id);
+    const newlyRemoveWorkspaceIds = [];
+
     for (const [id, detail] of Object.entries(ws_details)) {
       const { name, avatar } = metadata[id];
-      const index = removeWorkspaceList.indexOf(id);
-      if (index !== -1) {
-        removeWorkspaceList.splice(index, 1);
+
+      /**
+       * collect the workspaces that need to be removed in the context
+       */
+      const ifWorkspaceNotExists = currentWorkspaceIds.indexOf(id) < 0;
+      if (ifWorkspaceNotExists) {
+        newlyRemoveWorkspaceIds.push(id);
       }
-      assert(
-        name,
-        'workspace name not found by id when receive server message'
-      );
+
+      /**
+       * if workspace name is  not empty, it is  a valid workspace, so sync its state
+       */
+      if (name) {
         const workspace = {
           name: name,
           avatar,
@@ -141,13 +148,18 @@ export class AffineProvider extends BaseProvider {
             { id, ...workspace },
             this._apis
           );
-        addedWorkspaces.push(workspaceUnit);
+          newlyCreatedWorkspaces.push(workspaceUnit);
+        }
+      } else {
+        console.log(`[log warn]  ${id} name is empty`);
       }
     }
-    // add workspaces
-    this._workspaces.add(addedWorkspaces);
-    // remove workspaces
-    this._workspaces.remove(removeWorkspaceList);
+
+    // sync newlyCreatedWorkspaces to context
+    this._workspaces.add(newlyCreatedWorkspaces);
+
+    // sync newlyRemoveWorkspaces to context
+    this._workspaces.remove(newlyRemoveWorkspaceIds);
   }
 
   private _getWebsocketProvider(workspace: BlocksuiteWorkspace) {