feat(shayegan): per-product item code and auto customer Account/Put

app/Models/Product.php

@@ -33,6 +33,7 @@ class Product extends Model
     private static ?bool $karatColumnExists = null;
     private static ?bool $tvPriceFormulaColumnsExist = null;
     private static ?bool $priceFormulaColumnsExist = null;
+    private static ?bool $shayeganItemColumnExists = null;
 
     protected static function booted(): void
     {
@@ -104,9 +105,27 @@ class Product extends Model
                     $product->attributes['tv_price_formula']
                 );
             }
+            if (!static::hasShayeganItemColumn()) {
+                unset($product->attributes['shayegan_item_number']);
+            }
         });
     }
 
+    public static function hasShayeganItemColumn(): bool
+    {
+        if (static::$shayeganItemColumnExists !== null) {
+            return static::$shayeganItemColumnExists;
+        }
+
+        try {
+            static::$shayeganItemColumnExists = Schema::hasColumn((new static)->getTable(), 'shayegan_item_number');
+        } catch (\Throwable) {
+            static::$shayeganItemColumnExists = false;
+        }
+
+        return static::$shayeganItemColumnExists;
+    }
+
     public static function hasTvPriceFormulaColumns(): bool
     {
         if (static::$tvPriceFormulaColumnsExist !== null) {
@@ -497,6 +516,7 @@ class Product extends Model
         'unit',              // The unit of the item.
         'group_type',              // The unit of the item.
         'finance_p_name',    // کد کار زرین (idKar)
+        'shayegan_item_number', // ItemNumber در فاکتور شایگان
         'file_id',           // The ID of the associated file.
         'can_canceled',      // Whether the record can be canceled (boolean).
         'active',            // The active status of the record (boolean).