实现blog后端api

tone-page-server/src/blog/blog.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, Get } from '@nestjs/common';
+import { BadRequestException, Controller, Get, Param, ParseUUIDPipe } from '@nestjs/common';
 import { BlogService } from './blog.service';
 
 @Controller('blog')
@@ -12,4 +12,22 @@ export class BlogController {
     getBlogs() {
         return this.blogService.list();
     }
+
+    @Get(':id')
+    async getBlog(
+        @Param('id', new ParseUUIDPipe({ version: '4' })) id: string,
+    ) {
+        const blog = await this.blogService.findById(id);
+        if (!blog) throw new BadRequestException('文章不存在');
+
+        const blogDataRes = await fetch(`${blog.contentUrl}`);
+        const blogContent = await blogDataRes.text();
+
+        return {
+            id: blog.id,
+            title: blog.title,
+            createdAt: blog.createdAt,
+            content: blogContent,
+        };
+    }
 }