support for items

app/Modules/Invoice/Actions/GenerateInvoiceExcell.php

@@ -255,6 +255,6 @@ class GenerateInvoiceExcell
      */
     public function satynAlyjyBankyMaglumatlary(): string
     {
-        return 'Satyn alyjynyň ' . $this->data->buyer_bank_data;
+        return 'Satyn alyjynyň '.$this->data->buyer_bank_data;
     }
 }

app/Modules/Invoice/Data/InvoiceExcellData.php

@@ -24,5 +24,8 @@ class InvoiceExcellData
         public string $buyer_bank,
         public string $buyer_bank_address,
         public string $buyer_bank_data,
+
+        /** @var array<int, InvoiceItem> */
+        public array $items,
     ) {}
 }

app/Modules/Invoice/Data/InvoiceItem.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Modules\Invoice\Data;
+
+class InvoiceItem
+{
+    public function __construct(
+        public string $name,
+        public int|string $unit,
+        public int $quantity,
+        public int|float $unit_price,
+        public null|int|float $vat,
+        public null|int|float $excludingVat,
+        public null|int|float $vat_percentage,
+        public null|int|float $vat_tmt,
+        public int|float|string $total,
+    ) {
+        // ...
+    }
+}