Add likes to comments

app/Livewire/Comment.php

@@ -1,10 +1,17 @@
 <?php
 
+
 namespace App\Livewire;
 
+use App\Models\User;
+
 use Livewire\Component;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Cache;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 
+use Maize\Markable\Models\Like;
+
 class Comment extends Component
 {
     use AuthorizesRequests;
@@ -13,6 +20,10 @@ class Comment extends Component
 
     public $isReplying = false;
 
+    public $likeCount = 0;
+
+    public $liked = false;
+
     public $replyState = [
         'body' => ''
     ];
@@ -85,6 +96,34 @@ class Comment extends Component
         $this->dispatch('refresh')->self(); 
     }
 
+    public function like()
+    {
+        if (! Auth::check()) {
+            return;
+        }
+
+        Like::toggle($this->comment, User::where('id', Auth::user()->id)->firstOrFail());
+
+        Cache::forget('commentLikes'.$this->comment->id);
+
+        if ($this->liked) {
+            $this->liked = false;
+            $this->likeCount--;
+            return;
+        }
+
+        $this->liked = true;
+        $this->likeCount++;
+    }
+
+    public function mount()
+    {
+        if (Auth::check()) {
+            $this->likeCount = $this->comment->likeCount();
+            $this->liked = Like::has($this->comment, User::where('id', Auth::user()->id)->firstOrFail());
+        }
+    }
+
     public function render()
     {
         return view('livewire.comment');

app/Models/Comment.php

@@ -8,9 +8,16 @@ use Illuminate\Database\Eloquent\SoftDeletes;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 
+use Maize\Markable\Markable;
+use Maize\Markable\Models\Like;
+
 class Comment extends Model
 {
-    use HasFactory, SoftDeletes;
+    use HasFactory, SoftDeletes, Markable;
+
+    protected static $marks = [
+        Like::class
+    ];
 
     /**
      * The attributes that are mass assignable.
@@ -58,4 +65,12 @@ class Comment extends Model
             ? $this->parent->depth() + 1
             : 0;
     }
+
+    /**
+     * Get cached like count
+     */
+    public function likeCount(): int
+    {
+        return cache()->remember('commentLikes' . $this->id, 300, fn() => $this->likes->count());
+    }
 }