feat(core): add blocksuite writer info service (#10754)

blocksuite/affine/shared/src/services/block-meta-service.ts

@@ -2,7 +2,7 @@ import type { BlockMeta } from '@blocksuite/affine-model';
 import { type BlockModel, StoreExtension } from '@blocksuite/store';
 
 import { FeatureFlagService } from './feature-flag-service';
-import { UserProvider } from './user-service';
+import { WriterInfoProvider } from './user-service';
 
 /**
  * The service is used to add following info to the block.
@@ -43,20 +43,20 @@ export class BlockMetaService extends StoreExtension {
       return;
     }
 
-    const currentUser = this._getCurrentUser();
-    if (!currentUser) return;
+    const writer = this._getWriterInfo();
+    if (!writer) return;
     const now = getNow();
 
     this.store.withoutTransact(() => {
       const isFlatModel = model.schema.model.isFlatData;
       if (!isFlatModel) {
         model['meta:createdAt'] = now;
-        model['meta:createdBy'] = currentUser.id;
+        model['meta:createdBy'] = writer.id;
         return;
       }
 
       model.props['meta:createdAt'] = now;
-      model.props['meta:createdBy'] = currentUser.id;
+      model.props['meta:createdBy'] = writer.id;
     });
   };
 
@@ -65,33 +65,33 @@ export class BlockMetaService extends StoreExtension {
       return;
     }
 
-    const currentUser = this._getCurrentUser();
-    if (!currentUser) return;
+    const writer = this._getWriterInfo();
+    if (!writer) return;
     const now = getNow();
 
     this.store.withoutTransact(() => {
       const isFlatModel = model.schema.model.isFlatData;
       if (!isFlatModel) {
         model['meta:updatedAt'] = now;
-        model['meta:updatedBy'] = currentUser.id;
+        model['meta:updatedBy'] = writer.id;
         if (!model['meta:createdAt']) {
           model['meta:createdAt'] = now;
-          model['meta:createdBy'] = currentUser.id;
+          model['meta:createdBy'] = writer.id;
         }
         return;
       }
 
       model.props['meta:updatedAt'] = now;
-      model.props['meta:updatedBy'] = currentUser.id;
+      model.props['meta:updatedBy'] = writer.id;
       if (!model.props['meta:createdAt']) {
         model.props['meta:createdAt'] = now;
-        model.props['meta:createdBy'] = currentUser.id;
+        model.props['meta:createdBy'] = writer.id;
       }
     });
   };
 
-  private readonly _getCurrentUser = () => {
-    return this.store.getOptional(UserProvider)?.getCurrentUser();
+  private readonly _getWriterInfo = () => {
+    return this.store.getOptional(WriterInfoProvider)?.getWriterInfo();
   };
 }
 

blocksuite/affine/shared/src/services/user-service/index.ts

@@ -1,3 +1,4 @@
 export * from './types';
 export * from './user-list-service';
 export * from './user-service';
+export * from './writer-info-service';

blocksuite/affine/shared/src/services/user-service/user-service.ts

@@ -5,7 +5,6 @@ import type { Signal } from '@preact/signals-core';
 import type { AffineUserInfo } from './types';
 
 export interface UserService {
-  getCurrentUser(): AffineUserInfo | null;
   userInfo$(id: string): Signal<AffineUserInfo | null>;
   revalidateUserInfo(id: string): void;
 }

blocksuite/affine/shared/src/services/user-service/writer-info-service.ts

@@ -0,0 +1,22 @@
+import { createIdentifier } from '@blocksuite/global/di';
+import type { ExtensionType } from '@blocksuite/store';
+
+import type { AffineUserInfo } from './types';
+
+export interface WriterInfoService {
+  getWriterInfo(): AffineUserInfo | null;
+}
+
+export const WriterInfoProvider = createIdentifier<WriterInfoService>(
+  'affine-writer-info-service'
+);
+
+export function WriterInfoServiceExtension(
+  service: WriterInfoService
+): ExtensionType {
+  return {
+    setup(di) {
+      di.addImpl(WriterInfoProvider, () => service);
+    },
+  };
+}