first commit

app/Http/Controllers/PostController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Post;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Validator;
+
+class PostController extends Controller
+{
+    /**
+     * Retrieve all posts with their associated user.
+     *
+     * @return \Illuminate\Http\JsonResponse A JSON response containing all posts.
+     */
+    public function get()
+    {
+        $posts = Post::with('user')->get();
+        return response()->json($posts, 200);
+    }
+
+    /**
+     * Create a new post.
+     *
+     * @param Request $request The HTTP request object.
+     * @return \Illuminate\Http\JsonResponse A JSON response containing the created post.
+     */
+    public function post(Request $request)
+    {
+        //OLD-------------
+        // $data = $request->all();
+        // $post = new Post($data);
+        // $post->user_id = auth()->id();
+        // $post->save();
+        // return response()->json($post, 201);
+        //NEW-----------------
+        $validator = Validator::make($request->all(), [
+            'content' => 'required',
+        ]);
+        if ($validator->fails()) {
+            return response()->json($validator->errors(), 400);
+        }
+        $post = Post::create([
+            'content' => $request->content,
+            'user_id' => auth()->id()
+        ]);
+        //you can use the $post value for future "push" function of the JavaScript instead of fetching data every time with new posts
+        return response()->json($post, 201);
+    }
+
+    /**
+     * Update an existing post.
+     *
+     * @param Request $request The HTTP request object.
+     * @param int $postId The ID of the post to update.
+     * @return \Illuminate\Http\JsonResponse A JSON response containing the updated post or an error message.
+     */
+    //OLD
+//     public function put(Request $request, $postId)
+//     {
+//         $post = Post::find($postId);
+//         if ($post && $post->user_id === auth()->id()) {
+//             $data = $request->all();
+//             $post->update($data);
+//             return response()->json($post, 200);
+//         } else {
+//             return response()->json(['error' => 'You are not authorized to update this post'], 401);
+//         }
+//     }
+// }
+//NEW
+    public function put(Request $request)
+    {
+        // below section is REQUIRED
+        $validator = Validator::make($request->all(), [
+            'content' => 'required',
+        ]);
+        if ($validator->fails()) {
+            return response()->json($validator->errors(), 400);
+        }
+        $data = [
+            'content' => $request->content
+        ];
+        // above section is REQUIRED
+
+        //only owner can update the
+        $post = Post::where([
+            'id' => $request->id,
+            'user_id' => auth()->id()
+        ])->first();
+        //return empty post
+        if (!$post) {
+            return response()->json(['error' => "You are not authorized to update this post."], 401);
+        }
+
+        $post->update($data);
+        return response()->json($post, 200);
+    }
+}