fixing thsu frontend views

app/Http/Controllers/ForumController.php

@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use App\Models\Forum;
+use App\Models\Post;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Validation\Rule;
@@ -11,7 +12,10 @@ class ForumController extends Controller
 {
     public function index(Request $request): JsonResponse
     {
-        $query = Forum::query()->withoutTrashed();
+        $query = Forum::query()
+            ->withoutTrashed()
+            ->withCount(['threads', 'posts'])
+            ->withSum('threads', 'views_count');
 
         $parentParam = $request->query('parent');
         if (is_array($parentParam) && array_key_exists('exists', $parentParam)) {
@@ -35,15 +39,24 @@ class ForumController extends Controller
         $forums = $query
             ->orderBy('position')
             ->orderBy('name')
-            ->get()
-            ->map(fn (Forum $forum) => $this->serializeForum($forum));
+            ->get();
 
-        return response()->json($forums);
+        $forumIds = $forums->pluck('id')->all();
+        $lastPostByForum = $this->loadLastPostsByForum($forumIds);
+
+        $payload = $forums->map(
+            fn (Forum $forum) => $this->serializeForum($forum, $lastPostByForum[$forum->id] ?? null)
+        );
+
+        return response()->json($payload);
     }
 
     public function show(Forum $forum): JsonResponse
     {
-        return response()->json($this->serializeForum($forum));
+        $forum->loadCount(['threads', 'posts'])
+            ->loadSum('threads', 'views_count');
+        $lastPost = $this->loadLastPostForForum($forum->id);
+        return response()->json($this->serializeForum($forum, $lastPost));
     }
 
     public function store(Request $request): JsonResponse
@@ -83,7 +96,11 @@ class ForumController extends Controller
             'position' => ($position ?? 0) + 1,
         ]);
 
-        return response()->json($this->serializeForum($forum), 201);
+        $forum->loadCount(['threads', 'posts'])
+            ->loadSum('threads', 'views_count');
+        $lastPost = $this->loadLastPostForForum($forum->id);
+
+        return response()->json($this->serializeForum($forum, $lastPost), 201);
     }
 
     public function update(Request $request, Forum $forum): JsonResponse
@@ -127,7 +144,11 @@ class ForumController extends Controller
 
         $forum->save();
 
-        return response()->json($this->serializeForum($forum));
+        $forum->loadCount(['threads', 'posts'])
+            ->loadSum('threads', 'views_count');
+        $lastPost = $this->loadLastPostForForum($forum->id);
+
+        return response()->json($this->serializeForum($forum, $lastPost));
     }
 
     public function destroy(Request $request, Forum $forum): JsonResponse
@@ -180,7 +201,7 @@ class ForumController extends Controller
         return null;
     }
 
-    private function serializeForum(Forum $forum): array
+    private function serializeForum(Forum $forum, ?Post $lastPost): array
     {
         return [
             'id' => $forum->id,
@@ -189,8 +210,54 @@ class ForumController extends Controller
             'type' => $forum->type,
             'parent' => $forum->parent_id ? "/api/forums/{$forum->parent_id}" : null,
             'position' => $forum->position,
+            'threads_count' => $forum->threads_count ?? 0,
+            'posts_count' => $forum->posts_count ?? 0,
+            'views_count' => (int) ($forum->threads_sum_views_count ?? 0),
+            'last_post_at' => $lastPost?->created_at?->toIso8601String(),
+            'last_post_user_id' => $lastPost?->user_id,
+            'last_post_user_name' => $lastPost?->user?->name,
             'created_at' => $forum->created_at?->toIso8601String(),
             'updated_at' => $forum->updated_at?->toIso8601String(),
         ];
     }
+
+    private function loadLastPostsByForum(array $forumIds): array
+    {
+        if (empty($forumIds)) {
+            return [];
+        }
+
+        $posts = Post::query()
+            ->select('posts.*', 'threads.forum_id as forum_id')
+            ->join('threads', 'posts.thread_id', '=', 'threads.id')
+            ->whereIn('threads.forum_id', $forumIds)
+            ->whereNull('posts.deleted_at')
+            ->whereNull('threads.deleted_at')
+            ->orderByDesc('posts.created_at')
+            ->with('user')
+            ->get();
+
+        $byForum = [];
+        foreach ($posts as $post) {
+            $forumId = (int) ($post->forum_id ?? 0);
+            if ($forumId && !array_key_exists($forumId, $byForum)) {
+                $byForum[$forumId] = $post;
+            }
+        }
+
+        return $byForum;
+    }
+
+    private function loadLastPostForForum(int $forumId): ?Post
+    {
+        return Post::query()
+            ->select('posts.*')
+            ->join('threads', 'posts.thread_id', '=', 'threads.id')
+            ->where('threads.forum_id', $forumId)
+            ->whereNull('posts.deleted_at')
+            ->whereNull('threads.deleted_at')
+            ->orderByDesc('posts.created_at')
+            ->with('user')
+            ->first();
+    }
 }