积分与余额账务系统硬切重构

inc/helpers/aksrt-coupon-order.php

@@ -48,27 +48,26 @@ if (!function_exists('aksrt_burn_order_coupon')) {
 
         $coupon = is_array($meta['coupon'] ?? null) ? $meta['coupon'] : [];
         $coupon_code = sanitize_text_field((string) ($coupon['code'] ?? $meta['coupon_code'] ?? ''));
-        $coupon_discount = (float) ($meta['coupon_discount'] ?? $meta['discount'] ?? ($coupon['discount'] ?? 0));
+        $coupon_discount = (string) ($meta['coupon_discount'] ?? $meta['discount'] ?? ($coupon['discount'] ?? '0.00'));
         if ($coupon_code === '') {
             return false;
         }
+		try {
+			$coupon_discount = \AKSRT\Ledger\AssetAmount::balance($coupon_discount)->decimal();
+		} catch (\InvalidArgumentException $e) {
+			return false;
+		}
 
         $coupon_api = \AKSRT\Payment\Coupon::get_instance();
-        $coupon_api->use_coupon($coupon_code);
-
-        // Prefer snapshot id: post-increment validate may fail on usage_limit edge.
         $coupon_id = (int) ($coupon['id'] ?? 0);
         if ($coupon_id <= 0) {
-            $validated = $coupon_api->validate($coupon_code, max(0.01, $coupon_discount), [
-                'user_id' => max(0, $buyer_id),
-            ]);
-            $coupon_id = (int) ($validated['coupon']['id'] ?? 0);
+            return false;
         }
 
-        if ($coupon_id > 0) {
-            $coupon_api->log_usage($coupon_id, max(0, $buyer_id), $order_number, max(0.0, $coupon_discount));
+        if (!$coupon_api->log_usage($coupon_id, max(0, $buyer_id), $order_number, $coupon_discount)) {
+            return aksrt_coupon_usage_exists($order_number);
         }
 
-        return true;
+        return $coupon_api->use_coupon($coupon_code);
     }
 }