feat: 新增getBySlug接口

src/app/article/article-api.controller.ts

@@ -1,6 +1,5 @@
 import {MongoIdParam} from '@bangbang93/utils/nest-mongo'
-import {Controller, Get, NotFoundException, ParseIntPipe, Query} from '@nestjs/common'
-import {NotFound} from 'http-errors'
+import {Controller, Get, NotFoundException, Param, ParseIntPipe, Query} from '@nestjs/common'
 import {IArticleDocument, IArticleSchema} from './article.model'
 import {ArticleService} from './article.service'
 
@@ -11,7 +10,7 @@ export class ArticleApiController {
   ) {}
 
   @Get(':id(\\w{24})')
-  public async getById(@MongoIdParam('id') id: string): Promise<IArticleDocument | null> {
+  public async getById(@MongoIdParam('id') id: string): Promise<IArticleDocument> {
     const article = await this.articleService.getById(id)
     if (!article) {
       throw new NotFoundException('article not found')
@@ -29,4 +28,13 @@ export class ArticleApiController {
     @Query('page', ParseIntPipe) page: number): Promise<IArticleSchema[]> {
     return this.articleService.search(keyword, page)
   }
+
+  @Get(':slug')
+  public async getBySlug(@Param('slug') slug: string): Promise<IArticleDocument> {
+    const article = await this.articleService.getBySlug(slug)
+    if (!article) {
+      throw new NotFoundException('article not found')
+    }
+    return article
+  }
 }

src/app/article/article.service.ts

@@ -59,6 +59,10 @@ export class ArticleService {
     return this.articleModel.findById(id)
   }
 
+  public async getBySlug(slug: string): Promise<IArticleDocument | null> {
+    return this.articleModel.findOne({slug})
+  }
+
   public async list(page: number, limit = 20): Promise<IArticleListItem[]> {
     const skip = (page - 1) * limit
     const articles = await this.articleModel.listByPage({skip, limit})