feat: notifications (#1947)

* feat: notifications
* feat: watchers

* improvements

* handle page move for watchers

* make watchers non-blocking

* more

apps/server/src/collaboration/collaboration.module.ts

@@ -17,6 +17,7 @@ import { HistoryProcessor } from './processors/history.processor';
 import { LoggerExtension } from './extensions/logger.extension';
 import { CollaborationHandler } from './collaboration.handler';
 import { CollabHistoryService } from './services/collab-history.service';
+import { WatcherModule } from '../core/watcher/watcher.module';
 
 @Module({
   providers: [
@@ -29,7 +30,7 @@ import { CollabHistoryService } from './services/collab-history.service';
     CollaborationHandler,
   ],
   exports: [CollaborationGateway],
-  imports: [TokenModule],
+  imports: [TokenModule, WatcherModule],
 })
 export class CollaborationModule implements OnModuleInit, OnModuleDestroy {
   private readonly logger = new Logger(CollaborationModule.name);

apps/server/src/collaboration/extensions/persistence.extension.ts

@@ -19,11 +19,13 @@ import { Queue } from 'bullmq';
 import {
   extractMentions,
   extractPageMentions,
+  extractUserMentions,
 } from '../../common/helpers/prosemirror/utils';
 import { isDeepStrictEqual } from 'node:util';
 import {
   IPageBacklinkJob,
   IPageHistoryJob,
+  IPageMentionNotificationJob,
 } from '../../integrations/queue/constants/queue.interface';
 import { Page } from '@docmost/db/types/entity.types';
 import { CollabHistoryService } from '../services/collab-history.service';
@@ -44,6 +46,7 @@ export class PersistenceExtension implements Extension {
     @InjectQueue(QueueName.GENERAL_QUEUE) private generalQueue: Queue,
     @InjectQueue(QueueName.AI_QUEUE) private aiQueue: Queue,
     @InjectQueue(QueueName.HISTORY_QUEUE) private historyQueue: Queue,
+    @InjectQueue(QueueName.NOTIFICATION_QUEUE) private notificationQueue: Queue,
     private readonly collabHistory: CollabHistoryService,
   ) {}
 
@@ -170,6 +173,24 @@ export class PersistenceExtension implements Extension {
         mentions: pageMentions,
       } as IPageBacklinkJob);
 
+      const userMentions = extractUserMentions(mentions);
+      const oldMentions = page.content ? extractMentions(page.content) : [];
+      const oldMentionedUserIds = extractUserMentions(oldMentions).map((m) => m.entityId);
+
+      if (userMentions.length > 0) {
+        await this.notificationQueue.add(QueueJob.PAGE_MENTION_NOTIFICATION, {
+          userMentions: userMentions.map((m) => ({
+            userId: m.entityId,
+            mentionId: m.id,
+            creatorId: m.creatorId,
+          })),
+          oldMentionedUserIds,
+          pageId,
+          spaceId: page.spaceId,
+          workspaceId: page.workspaceId,
+        } as IPageMentionNotificationJob);
+      }
+
       await this.aiQueue.add(QueueJob.PAGE_CONTENT_UPDATED, {
         pageIds: [pageId],
         workspaceId: page.workspaceId,

apps/server/src/collaboration/processors/history.processor.ts

@@ -7,6 +7,7 @@ import { PageHistoryRepo } from '@docmost/db/repos/page/page-history.repo';
 import { PageRepo } from '@docmost/db/repos/page/page.repo';
 import { isDeepStrictEqual } from 'node:util';
 import { CollabHistoryService } from '../services/collab-history.service';
+import { WatcherService } from '../../core/watcher/watcher.service';
 
 @Processor(QueueName.HISTORY_QUEUE)
 export class HistoryProcessor extends WorkerHost implements OnModuleDestroy {
@@ -16,6 +17,7 @@ export class HistoryProcessor extends WorkerHost implements OnModuleDestroy {
     private readonly pageHistoryRepo: PageHistoryRepo,
     private readonly pageRepo: PageRepo,
     private readonly collabHistory: CollabHistoryService,
+    private readonly watcherService: WatcherService,
   ) {
     super();
   }
@@ -49,6 +51,13 @@ export class HistoryProcessor extends WorkerHost implements OnModuleDestroy {
           await this.collabHistory.popContributors(pageId);
 
         try {
+          await this.watcherService.addPageWatchers(
+            contributorIds,
+            pageId,
+            page.spaceId,
+            page.workspaceId,
+          );
+
           await this.pageHistoryRepo.saveHistory(page, { contributorIds });
           this.logger.debug(`History created for page: ${pageId}`);
         } catch (err) {

apps/server/src/collaboration/server/collab-main.ts

@@ -7,6 +7,7 @@ import {
 import { TransformHttpResponseInterceptor } from '../../common/interceptors/http-response.interceptor';
 import { Logger } from '@nestjs/common';
 import { Logger as PinoLogger } from 'nestjs-pino';
+import { InternalLogFilter } from '../../common/logger/internal-log-filter';
 
 async function bootstrap() {
   const app = await NestFactory.create<NestFastifyApplication>(
@@ -19,7 +20,7 @@ async function bootstrap() {
       },
     }),
     {
-      logger: false,
+      logger: new InternalLogFilter(),
       bufferLogs: false,
     },
   );