fix: images path in getById

src/posts/posts.controller.ts

-import { Controller, Get, HttpException, HttpService, HttpStatus, Logger, Param, Query } from '@nestjs/common';
+import { Controller, Get, HttpException, HttpService, HttpStatus, Param, Query } from '@nestjs/common';
 import { Observable } from 'rxjs';
 import { catchError, map } from 'rxjs/operators';
 import { ApiQuery } from '@nestjs/swagger';
@@ -10,11 +10,7 @@ import { ConfigurationService } from '../configuration/configuration.service';
 
 @Controller('posts')
 export class PostsController {
-  constructor(
-    private readonly httpService: HttpService,
-    private readonly postsService: PostsService,
-    private readonly configService: ConfigurationService
-  ) {}
+  constructor(private readonly httpService: HttpService, private readonly postsService: PostsService) {}
 
   @Get()
   @ApiQuery({ name: 'include', type: String, required: false })
@@ -47,19 +43,7 @@ export class PostsController {
     return new Promise((resolve) => {
       result.subscribe((postData: PostWithMeta) => {
         postData.posts.forEach((post: Post) => {
-          // Handle excerpt field in case of no author
-          if (!post.custom_excerpt) {
-            post.excerpt = 'Inconnu';
-          }
-          // Handle image display. Rewrite image URL to fit ghost infra issue.
-          if (post.feature_image && !this.configService.isLocalConf()) {
-            post.feature_image = `https://${this.configService.config.host}/blog/content${
-              post.feature_image.split('/content')[1]
-            }`;
-            const regex = /(https?:\/\/ghost):(\d*)?/g; // (https?://ghost):(\d*)?/
-            post.html = post.html.replace(regex, `https://${this.configService.config.host}`);
-          }
-          return post;
+          return this.postsService.formatPosts(post);
         });
         resolve(postData);
       });
@@ -78,7 +62,7 @@ export class PostsController {
   }
 
   @Get(':id')
-  public async getPostbyId(@Param('id') id: string): Promise<Observable<{ posts: Post }>> {
+  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: {
@@ -86,6 +70,10 @@ export class PostsController {
           include: 'tags,authors',
         },
       })
-      .pipe(map((response) => response.data));
+      .pipe(
+        map((response) => {
+          return { posts: [this.postsService.formatPosts(response.data.posts[0])] };
+        })
+      );
   }
 }

src/posts/posts.service.ts

@@ -3,7 +3,9 @@ import { Logger } from '@nestjs/common';
 import * as GhostAdminAPI from '@tryghost/admin-api';
 import * as _ from 'lodash';
 import { map } from 'rxjs/operators';
+import { ConfigurationService } from '../configuration/configuration.service';
 import { TagEnum } from './enums/tag.enum';
+import { Post } from './schemas/post.schema';
 import { Tag } from './schemas/tag.schema';
 
 @Injectable()
@@ -13,7 +15,7 @@ export class PostsService {
   public readonly publicCategory = 'public';
   private api: any;
 
-  constructor() {
+  constructor(private readonly configService: ConfigurationService) {
     // Configure Ghost client
     this.api = new GhostAdminAPI({
       url: process.env.GHOST_HOST_AND_PORT,
@@ -66,4 +68,20 @@ export class PostsService {
     arr.splice(toIndex, 0, element);
     return arr;
   }
+
+  public formatPosts(postData: Post): Post {
+    // Handle excerpt field in case of no author
+    if (!postData.custom_excerpt) {
+      postData.excerpt = 'Inconnu';
+    }
+    // Handle image display. Rewrite image URL to fit ghost infra issue.
+    if (postData.feature_image && !this.configService.isLocalConf()) {
+      postData.feature_image = `https://${this.configService.config.host}/blog/content${
+        postData.feature_image.split('/content')[1]
+      }`;
+      const regex = /(https?:\/\/ghost):(\d*)?/g;
+      postData.html = postData.html.replace(regex, `https://${this.configService.config.host}`);
+    }
+    return postData;
+  }
 }