Add rate limiter to comment system

app/Livewire/Comment.php

@@ -8,6 +8,7 @@ use App\Models\User;
 use Livewire\Component;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\RateLimiter;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 
 use Maize\Markable\Models\Like;
@@ -77,12 +78,24 @@ class Comment extends Component
             return;
         }
 
+        $user = auth()->user();
+        $rateLimitKey = "send-comment:{$user->id}";
+
+        if (RateLimiter::tooManyAttempts($rateLimitKey, 5)) {
+            $seconds = RateLimiter::availableIn($rateLimitKey);
+
+            $this->addError('replyState.body', "Too many comments. Try again in {$seconds} seconds.");
+            return;
+        }
+
+        RateLimiter::hit($rateLimitKey, 60);
+
         $this->validate([
             'replyState.body' => 'required'
         ]);
 
         $reply = $this->comment->children()->make($this->replyState);
-        $reply->user()->associate(auth()->user());
+        $reply->user()->associate($user);
         $reply->commentable()->associate($this->comment->commentable);
 
         $reply->save();

app/Livewire/Comments.php

@@ -5,6 +5,8 @@ namespace App\Livewire;
 use Livewire\Component;
 use Livewire\WithPagination;
 
+use Illuminate\Support\Facades\RateLimiter;
+
 class Comments extends Component
 {
     use WithPagination;
@@ -29,8 +31,23 @@ class Comments extends Component
             'newCommentState.body' => 'required'
         ]);
 
+        $this->addError('newCommentState.body', "Too many comments. Try again in 1 seconds.");
+        return;
+
+        $user = auth()->user();
+        $rateLimitKey = "send-comment:{$user->id}";
+
+        if (RateLimiter::tooManyAttempts($rateLimitKey, 5)) {
+            $seconds = RateLimiter::availableIn($rateLimitKey);
+
+            $this->addError('newCommentState.body', "Too many comments. Try again in {$seconds} seconds.");
+            return;
+        }
+
+        RateLimiter::hit($rateLimitKey, 60);
+
         $comment = $this->model->comments()->make($this->newCommentState);
-        $comment->user()->associate(auth()->user());
+        $comment->user()->associate($user);
         $comment->save();
 
         $this->newCommentState = [