refactor: Integrate FeedPurchaseObserver for improved stock management and remove redundant boot methods

app/Models/FeedPurchase.php

@@ -2,11 +2,14 @@
 
 namespace App\Models;
 
+use App\Observers\FeedPurchaseObserver;
+use Illuminate\Database\Eloquent\Attributes\ObservedBy;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
+#[ObservedBy([FeedPurchaseObserver::class])]
 class FeedPurchase extends Model
 {
     use HasFactory, SoftDeletes;
@@ -18,23 +21,6 @@ class FeedPurchase extends Model
         'total_price' => 'integer',
     ];
 
-    protected static function boot()
-    {
-        parent::boot();
-
-        static::deleted(function ($feedPurchase) {
-            $feedPurchase->revertFeedStock();
-        });
-
-        static::forceDeleted(function ($feedPurchase) {
-            $feedPurchase->revertFeedStock();
-        });
-
-        static::restored(function ($feedPurchase) {
-            $feedPurchase->updateFeedStock();
-        });
-    }
-
     public function items(): HasMany
     {
         return $this->hasMany(FeedPurchaseItem::class);

app/Observers/FeedPurchaseObserver.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Observers;
+
+use App\Models\FeedPurchase;
+
+class FeedPurchaseObserver
+{
+    /**
+     * Handle the FeedPurchase "deleted" event.
+     */
+    public function deleted(FeedPurchase $feedPurchase): void
+    {
+        $feedPurchase->revertFeedStock();
+    }
+
+    /**
+     * Handle the FeedPurchase "force deleted" event.
+     */
+    public function forceDeleted(FeedPurchase $feedPurchase): void
+    {
+        $feedPurchase->revertFeedStock();
+    }
+
+    /**
+     * Handle the FeedPurchase "restored" event.
+     */
+    public function restored(FeedPurchase $feedPurchase): void
+    {
+        $feedPurchase->updateFeedStock();
+    }
+}