Merge branch 'feat/post-details' into 'dev'

feat(post-details) : add new endpoint (Get post by id)

See merge request web-et-numerique/pamn_plateforme-des-acteurs-de-la-mediation-numerique/pamn_server!41

src/posts/posts.controller.ts

-import { Controller, Get, HttpService, Query } from '@nestjs/common';
+import { Controller, Get, HttpService, Param, Query } from '@nestjs/common';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 import { ApiQuery } from '@nestjs/swagger';
@@ -35,6 +35,17 @@ export class PostsController {
       .pipe(map((response) => response.data));
   }
 
+  @Get(':id')
+  public async getPostbyId(@Param('id') id: string): Promise<Observable<{ posts: Post }>> {
+    return this.httpService
+      .get(`${process.env.GHOST_HOST_AND_PORT}/ghost/api/v3/content/posts/` + id, {
+        params: {
+          key: process.env.GHOST_CONTENT_API_KEY,
+          include: 'tags,authors',
+        },
+      })
+      .pipe(map((response) => response.data));
+  }
   @Get('tags')
   public async findAllTags(): Promise<{ public: Tag[]; commune: Tag[]; others: Tag[] }> {
     return Promise.all([