Edit Item DB structure

app/Item.php

@@ -18,8 +18,17 @@ class Item extends Model
         return $col_items;
     }
 
+    protected $casts = [
+        'metadata' => 'array',
+    ];
+
     public function bookings()
     {
         return $this->hasMany('App\Booking');
     }
+
+    public function category()
+    {
+        return \App\ItemCategory::find($this->category_id);
+    }
 }