fix some problems

app/Item.php

@@ -1,35 +1,56 @@
 <?php
 
-    namespace App;
+namespace App;
 
-    use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Model;
+use Spatie\MediaLibrary\HasMedia\HasMedia;
+use Spatie\MediaLibrary\HasMedia\HasMediaTrait;
+use Spatie\MediaLibrary\Models\Media;
 
-    class Item extends Model
+class Item extends Model implements HasMedia
+{
+    use HasMediaTrait;
+
+    public $fillable = [ 'name' , 'size' , 'unique_id' , 'specific' , 'note' , 'user_id' , 'udi' , 'status' , 'repair' , 'package_id'  , 'creator_id' ];
+
+    public function package()
     {
-        public $fillable = [ 'name' , 'size' , 'unique_id' , 'specific' , 'note' , 'user_id' , 'udi' , 'status' , 'repair' ];
-
-        public function packages()
-        {
-            return $this->belongsToMany( 'App\Package' , 'item_package' )->withPivot( 'count' );
-        }
-
-        public function user()
-        {
-            return $this->belongsTo( 'App\User' );
-        }
-
-        public function files()
-        {
-            return $this->morphMany( 'App\Media' , 'model' );
-        }
-
-        public function transfers()
-        {
-            return $this->morphMany( 'App\Transfer' , "transferable" )->where( "status" ,"approved" );
-        }
-
-        public function transferActive()
-        {
-            return $this->morphMany( 'App\Transfer' , "transferable" )->where( "status" ,"approved" )->whereNull( "to_date" );
-        }
+        return $this->belongsTo( 'App\Package' );
     }
+
+    public function user()
+    {
+        return $this->belongsTo( 'App\User' );
+    }
+
+    public function creator()
+    {
+        return $this->belongsTo( 'App\User' , "creator_id" );
+    }
+
+    public function transfers()
+    {
+        return $this->morphMany( 'App\Transfer' , "transferable" )->where( "status" , "approved" );
+    }
+
+    public function transferActive()
+    {
+        return $this->morphMany( 'App\Transfer' , "transferable" )->where( "status" , "approved" )->whereNull( "to_date" );
+    }
+
+    public function registerMediaCollections()
+    {
+        $this->addMediaCollection( 'main_images' )
+            ->useFallbackUrl( '/images/default_pastry.jpg' )
+            ->useFallbackPath( public_path( '/images/default_pastry.jpg' ) );
+    }
+
+    public function registerMediaConversions( Media $media = null ): void
+    {
+        $this->addMediaConversion( 'thumbnail' )
+            ->width( 480 )
+            ->height( 640 )
+            ->nonQueued()
+            ->performOnCollections( 'main_images' );
+    }
+}