delete post picture if exist

src/controller/FileController.ts

@@ -1,6 +1,7 @@
 import multer from 'multer';
 import path from 'path';
 import {v4 as uuidv4} from 'uuid';
+import fs from 'fs';
 
 const storage = multer.diskStorage({
   destination: path.join(__dirname, '../../public/uploads'),
@@ -10,3 +11,12 @@ const storage = multer.diskStorage({
 });
 
 export const upload = multer({ storage });
+
+export const deleteFile = (filename: string) => {
+  const filePath = path.join(__dirname, '../../public/uploads', filename);
+  fs.unlink(filePath, (err) => {
+    if (err) {
+      console.log(err);
+    }
+  });
+}

src/controller/PostController.ts

@@ -2,6 +2,7 @@ import { PrismaClient, Post as PrismaPost, Like } from '@prisma/client';
 import { Post } from '@/models/PostModel';
 import { exclude } from '@/lib/utils';
 import { getUserById } from './UserController';
+import { deleteFile } from './FileController';
 
 const prisma = new PrismaClient();
 
@@ -95,6 +96,9 @@ const deletePost = async (id: number, userId: number): Promise<PrismaPost | Erro
   if (post.authorId !== userId && user.role === 'USER') {
     return new Error('User is not the author of this post');
   }
+  if (post.image) {
+    deleteFile(post.image);
+  }
   return prisma.post.delete({
     where: {
       id,