[BE] Feat : GET /posts/{id} API 구현

BE/src/post/post.controller.ts

@@ -1,12 +1,19 @@
-import { Controller, Get } from '@nestjs/common';
+import { Controller, Get, Param } from '@nestjs/common';
 import { PostService } from './post.service';
 
 @Controller('post')
 export class PostController {
   constructor(private readonly postService: PostService) {}
+
   @Get()
   async getPosts() {
     const posts = await this.postService.getPosts();
     return posts;
   }
+
+  @Get('/:id')
+  async postDetails(@Param('id') id: number) {
+    const post = await this.postService.findPostById(id);
+    return post;
+  }
 }

BE/src/post/post.service.ts

@@ -29,4 +29,19 @@ export class PostService {
     // console.log(posts);
     return posts;
   }
+
+  async findPostById(postId: number) {
+    const res = await this.postRepository.findOne({ where: { id: postId } });
+    const post = {
+      title: res.title,
+      contents: res.contents,
+      price: res.price,
+      user_id: res.user_id,
+      images: res.post_images,
+      is_request: res.is_request,
+      start_date: res.start_date,
+      end_date: res.end_date,
+    };
+    return post;
+  }
 }