push notification implemented

need testing

backend/src/modules/articles.service.ts

@@ -4,6 +4,7 @@ import {
   Logger,
   Inject,
   forwardRef,
+  Optional,
 } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
@@ -14,6 +15,7 @@ import {
   UpdateArticleDto,
   FindArticlesDto,
 } from './articles.dto';
+import { PushService } from './push/push.service';
 
 @Injectable()
 export class ArticlesService {
@@ -24,6 +26,9 @@ export class ArticlesService {
     private readonly articleRepository: Repository<Article>,
     @Inject(forwardRef(() => StrapiService))
     private readonly strapiService: StrapiService,
+    @Optional()
+    @Inject(forwardRef(() => PushService))
+    private readonly pushService?: PushService,
   ) {}
 
   async create(dto: CreateArticleDto): Promise<Article> {
@@ -183,6 +188,7 @@ export class ArticlesService {
     status: ArticleStatus = ArticleStatus.PUBLISHED,
   ): Promise<Article> {
     const article = await this.findOne(id);
+    const wasDraft = article.status === ArticleStatus.DRAFT;
     article.status = status;
     const savedArticle = await this.articleRepository.save(article);
 
@@ -202,6 +208,21 @@ export class ArticlesService {
       }
     }
 
+    // Send push notification for newly published articles
+    if (wasDraft && status === ArticleStatus.PUBLISHED && this.pushService) {
+      try {
+        await this.pushService.notifyNewArticle(
+          savedArticle.title,
+          savedArticle.slug,
+        );
+        this.logger.log(
+          `Push notification sent for article: ${savedArticle.title}`,
+        );
+      } catch (error) {
+        this.logger.error('Failed to send push notification:', error);
+      }
+    }
+
     return savedArticle;
   }