feat: Added deleting a post created by a user successfully Issue 126

backend/src/routes/post/controller.ts

@@ -581,3 +581,45 @@ export const getLeaderboardController = async (req: Request, res: Response) => {
     });
   }
 };
+
+export const deletePostController = async (req: UserAuthRequest, res: Response) => {
+  try {
+    const userId = req.userId;
+    const postId = req.params.id;
+
+    if (!userId) {
+      return res.status(403).json({ error: { message: "Invalid user" } });
+    }
+
+    const post = await prisma.post.findUnique({
+      where: { id: postId },
+    });
+
+    if (!post) {
+      return res.status(404).json({ error: { message: "Post not found" } });
+    }
+
+    if (post.authorId !== userId) {
+      return res.status(403).json({ error: { message: "You are not authorized to delete this post" } });
+    }
+
+    await prisma.userPostInteraction.deleteMany({
+      where: { postId }
+    });
+    await prisma.comment.deleteMany({
+      where: { postId }
+    });
+    await prisma.favorite.deleteMany({
+      where: { postId }
+    });
+
+    await prisma.post.delete({
+      where: { id: postId },
+    });
+
+    res.status(200).json({ message: "Post deleted successfully" });
+  } catch (error) {
+    console.log(error)
+    res.status(500).json({ error: { message: "An unexpected error occurred" } });
+  }
+};

backend/src/routes/post/route.ts

@@ -1,7 +1,7 @@
 
 import { Router } from "express";
 import authMiddleware from "../../middleware/auth"
-import { createCommentController, createPostController, dislikePostController, favoritePostController, getCommentsController, getFavoritePostsController, getLeaderboardController, getPostController, getPostsWithPagination, likePostController, unfavoritePostController } from "./controller";
+import { createCommentController, createPostController, deletePostController, dislikePostController, favoritePostController, getCommentsController, getFavoritePostsController, getLeaderboardController, getPostController, getPostsWithPagination, likePostController, unfavoritePostController } from "./controller";
 
 const postRouter = Router();
 
@@ -29,4 +29,6 @@ postRouter.get('/:id/favorites', authMiddleware, getFavoritePostsController);
 
 postRouter.get('/all/leaderboard', getLeaderboardController);
 
+postRouter.delete('/delete/:id', authMiddleware, deletePostController); 
+
 export default postRouter;

frontend/src/components/PostCard.tsx

@@ -1,11 +1,42 @@
 import { Link } from "react-router-dom";
-import { IPost } from "../types";
+import { IPost, IUser } from "../types";
+import { MdDeleteOutline } from "react-icons/md";
+import axios from "axios";
+import { useState } from "react";
+import toast from "react-hot-toast";
 
 type Props = {
   post: IPost;
+  onDelete: (id: string) => void; 
+  currentUser: IUser ;
 };
 
-const PostCard = ({ post }: Props) => {
+const PostCard = ({ post,onDelete,currentUser }: Props) => {
+
+  const [isDeleting, setIsDeleting] = useState(false);
+
+  const handleDelete = async () => {
+    setIsDeleting(true);
+    try {
+      const token = localStorage.getItem('token');
+      if (!token) {
+        toast.error('Please login to remove a post from favorites');
+        return;
+      }
+      await axios.delete(`/api/v1/posts/delete/${post.id}`, {
+        headers: {
+          'Authorization': `Bearer ${token}`
+        }
+      });
+      onDelete(post.id); 
+      toast.error('Post Deleted successfully !')
+    } catch (error) {
+      console.error("Failed to delete post", error);
+    } finally {
+      setIsDeleting(false);
+    }
+  };
+
   return (
     <div
       key={post.id}
@@ -28,12 +59,24 @@ const PostCard = ({ post }: Props) => {
           </span>
         ))}
       </div>
+      <div className="flex justify-between mt-1">
       <Link
         to={`/app/posts/${post.id}`}
-        className="inline-block mt-4 text-blue-400 hover:text-blue-300 transition-colors duration-200"
+        className="inline-block mt-4 text-blue-400 hover:text-blue-300 transition-colors duration-200 rounded-3xl border-2 border-blue-500 hover:border-blue-300 px-4 py-2"
       >
         Read more
       </Link>
+      {currentUser && currentUser.id === post.author.id && (
+        <button
+          onClick={handleDelete}
+          disabled={isDeleting}
+          className="justify-end ml-4 mt-4 inline-block text-red-500 hover:text-red-400 transition-colors duration-200 border-2 border-red-500 hover:border-red-400 p-2 rounded-3xl"
+        >
+          {isDeleting ? "Deleting..." : <MdDeleteOutline size={25} />}
+        </button>
+      )}
+            </div>
+
     </div>
   );
 };

frontend/src/pages/Favorite.tsx

@@ -12,6 +12,7 @@ const Favorite = () => {
   const [loading, setLoading] = useState(true);
   const [errorMessage, setErrorMessage] = useState("");
   const token = useRecoilValue(tokenState);
+  const currentUser = useRecoilValue(userState);
 
   const fetchFavoritePosts = async (user: IUser): Promise<IPost[]> => {
     try {
@@ -47,6 +48,11 @@ const Favorite = () => {
     getFavoritePosts();
   }, [user]);
 
+  const handleDelete = (id: string) => {
+    setFavoritePosts((prevPosts) => prevPosts.filter((post) => post.id !== id));
+  };
+
+
   if (loading) {
     return <Loader />;
   }
@@ -67,7 +73,7 @@ const Favorite = () => {
             <h4 className="font-semibold">Favorite Posts ( {favoritePosts.length} )</h4>
             <div className="mt-6 mb-8 grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 gap-4 w-full">
               {favoritePosts.map(post => (
-                <PostCard key={post.id} post={post} />
+                <PostCard key={post.id} post={post} onDelete={handleDelete} currentUser={currentUser}/>
               ))}
             </div>
           </>

frontend/src/pages/HomePagePosts.tsx

@@ -3,11 +3,14 @@ import axios from 'axios';
 import { IPost } from '../types';
 import Loader from '../components/Loader';
 import PostCard from '../components/PostCard';
+import { userState } from '../store/atoms/auth';
+import { useRecoilValue } from 'recoil';
 
 const HomePagePost = () => {
   const [posts, setPosts] = useState<IPost[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState('');
+  const currentUser = useRecoilValue(userState);
 
   useEffect(() => {
     const fetchPosts = async () => {
@@ -25,6 +28,10 @@ const HomePagePost = () => {
     fetchPosts();
   }, []);
 
+  const handleDelete = (id: string) => {
+    setPosts((prevPosts) => prevPosts.filter((post) => post.id !== id));
+  };
+
   if (loading) {
     return <Loader />;
   }
@@ -38,7 +45,7 @@ const HomePagePost = () => {
       <h1 className="text-3xl font-semibold my-4 text-white">📃 Recent Posts Added</h1>
       <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 gap-4 w-full my-10">
         {posts.map((post, index) => (
-          <PostCard key={index} post={post} />
+          <PostCard key={index} post={post} onDelete={handleDelete} currentUser={currentUser} />
         ))}
       </div>
     </div>

frontend/src/pages/Posts.tsx

@@ -3,6 +3,8 @@ import axios from 'axios';
 import { IPost } from '../types';
 import Loader from '../components/Loader';
 import PostCard from '../components/PostCard';
+import { userState } from '../store/atoms/auth';
+import { useRecoilValue } from 'recoil';
 
 const Posts = () => {
   const [posts, setPosts] = useState<IPost[]>([]);
@@ -16,6 +18,8 @@ const Posts = () => {
   const [page, setPage] = useState(1);
   const [totalPages, setTotalPages] = useState(1);
 
+  const currentUser = useRecoilValue(userState);
+
   useEffect(() => {
     const fetchPosts = async () => {
       try {
@@ -99,6 +103,10 @@ const Posts = () => {
     return <div className='text-red-500 font-semibold text-lg text-center'>{error}</div>;
   }
 
+  const handleDelete = (id: string) => {
+    setPosts((prevPosts) => prevPosts.filter((post) => post.id !== id));
+  };
+
   return (
     <div className='max-w-screen-xl flex flex-col items-center justify-center mx-auto p-4'>
       <h1 className="text-2xl font-semibold mb-4 text-white">Posts</h1>
@@ -160,7 +168,7 @@ const Posts = () => {
       </div>
       <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 gap-4 w-full">
         {filteredPosts.map((post, index) => (
-          <PostCard key={index} post={post} />
+          <PostCard key={index} post={post} onDelete={handleDelete} currentUser={currentUser} />
         ))}
       </div>
       <div className="flex justify-center items-center mt-4 w-full space-x-2">

frontend/src/pages/Profile.tsx

@@ -1,8 +1,8 @@
 import { useEffect, useState } from "react";
-import { IUser } from "../types";
+import { IPost, IUser } from "../types";
 import axios from "axios";
 import { useRecoilValue } from "recoil";
-import { tokenState } from "../store/atoms/auth";
+import { tokenState, userState } from "../store/atoms/auth";
 import Loader from "../components/Loader";
 import PostCard from "../components/PostCard";
 import { GoUnverified } from "react-icons/go";
@@ -12,13 +12,15 @@ import { AiTwotoneInfoCircle } from "react-icons/ai";
 import toast from "react-hot-toast";
 
 const Profile = () => {
+  const [posts, setPosts] = useState<IPost[]>([]);
   const [user, setUser] = useState<IUser | null>(null);
   const [loading, setLoading] = useState(true);
   const [errorMessage, setErrorMessage] = useState("");
   const [otpSent, setOtpSent] = useState(false);
   const [otp, setOtp] = useState("");
   const [verificationError, setVerificationError] = useState("");
   const token = useRecoilValue(tokenState);
+  const currentUser = useRecoilValue(userState);
 
   useEffect(() => {
     const fetchUser = async () => {
@@ -37,7 +39,7 @@ const Profile = () => {
     };
 
     fetchUser();
-  }, [token]);
+  }, [token,posts]);
 
   const handleGenerateOtp = async () => {
     try {
@@ -79,6 +81,10 @@ const Profile = () => {
     }
   };
 
+  const handleDelete = (id: string) => {
+    setPosts((prevPosts) => prevPosts.filter((post) => post.id !== id));
+  };
+
   if (loading) {
     return <Loader />;
   }
@@ -135,7 +141,7 @@ const Profile = () => {
           <h4 className="font-semibold">Posts ( {user?.posts.length} )</h4>
           <div className="mt-6 mb-8 grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 gap-4 w-full">
 
-            {user?.posts.map(post => <PostCard key={post.id} post={post} />)}
+            {user?.posts.map(post => <PostCard key={post.id} post={post} onDelete={handleDelete} currentUser={currentUser} />)}
           </div>
         </div>
       </div>