fix bug ۲

app/Http/Controllers/Single/SingleOrderController.php

@@ -265,7 +265,7 @@ class SingleOrderController extends Controller
 
         $data['total_price'] = $data['amount'] * $data['price'];
 
-        $this->enforceProductOrderLimits($data, (float) $data['total_price']);
+        $this->enforceProductOrderLimits($data);
 
         if (!empty($data['first_buy']) && ($minFirstBuy = Setting::where('is_active', 1)->where('key', 'min_first_buy')->value('value'))) {
             if ($data['total_price'] < (int) $minFirstBuy) {
@@ -1278,7 +1278,7 @@ class SingleOrderController extends Controller
         return false;
     }
 
-    private function enforceProductOrderLimits(array &$data, float $totalPriceRial): void
+    private function enforceProductOrderLimits(array &$data, ?float $totalPriceRial = null): void
     {
         $product = $data['product'] ?? null;
 
@@ -1298,7 +1298,25 @@ class SingleOrderController extends Controller
         }
 
         if ($product instanceof Product) {
-            $product->validateOrderCashLimit($totalPriceRial);
+            $product->validateOrderCashLimit($this->resolveOrderLimitCashRial($data, $totalPriceRial));
         }
     }
+
+    /**
+     * مبلغ مؤثر برای min/max محصول — با target_cash همان مبلغی که کاربر وارد کرده
+     * (نه total_price موقت قبل از رُند گرم که ممکن است چند ریال کمتر شود).
+     */
+    private function resolveOrderLimitCashRial(array $data, ?float $fallbackTotal = null): float
+    {
+        $targetCash = $this->resolveTargetCash($data);
+        if ($targetCash !== null) {
+            return (float) $targetCash;
+        }
+
+        if ($fallbackTotal !== null) {
+            return $fallbackTotal;
+        }
+
+        return (float) ($data['payment_amount'] ?? $data['total_price'] ?? 0);
+    }
 }