积分与余额账务系统硬切重构

src/Payment/Gateways/StripeGateway.php

@@ -42,13 +42,17 @@ class StripeGateway implements \AKSRT\Payment\GatewayInterface {
                 ? \AKSRT\Payment\OrderRepository::provider_out_trade_no($order)
                 : $order_number;
         }
-        $amount = (float) ($order['amount'] ?? 0);
+        $amount = is_string($order['amount'] ?? null) ? trim($order['amount']) : '';
         $subject = $order['subject'] ?? __('订单支付', 'aksrt');
         $order_currency = strtoupper((string) ($order['currency'] ?? ''));
         $currency = strtolower($config['currency'] ?? 'usd');
         if ($order_currency === '' || !hash_equals($order_currency, strtoupper($currency))) {
             return ['success' => false, 'message' => __('Stripe 币种与订单币种不一致', 'aksrt')];
         }
+		$smallest_amount = $this->to_smallest_unit($amount, $currency);
+		if ($order_number === '' || $out_trade_no === '' || $smallest_amount === null || $smallest_amount <= 0) {
+			return ['success' => false, 'message' => __('订单金额无效', 'aksrt')];
+		}
 
         try {
             $stripe = $this->create_client($config);
@@ -62,7 +66,7 @@ class StripeGateway implements \AKSRT\Payment\GatewayInterface {
                         'product_data' => [
                             'name' => $subject,
                         ],
-                        'unit_amount'  => $this->to_smallest_unit($amount, $currency),
+                        'unit_amount'  => $smallest_amount,
                     ],
                     'quantity' => 1,
                 ]],
@@ -204,7 +208,15 @@ class StripeGateway implements \AKSRT\Payment\GatewayInterface {
         }
     }
 
-    public function refund(string $order_number, float $amount, string $request_id = ''): array {
+	public function refund(string $order_number, string $amount, string $request_id = ''): array {
+		try {
+			$refund_amount = \AKSRT\Ledger\AssetAmount::balance($amount);
+		} catch (\InvalidArgumentException $e) {
+			return ['success' => false, 'message' => __('退款金额无效', 'aksrt')];
+		}
+		if ($refund_amount->minor() <= 0) {
+			return ['success' => false, 'message' => __('退款金额无效', 'aksrt')];
+		}
         if (!$this->is_configured()) {
             return ['success' => false, 'message' => __('Stripe 未配置', 'aksrt')];
         }
@@ -228,6 +240,10 @@ class StripeGateway implements \AKSRT\Payment\GatewayInterface {
             }
 
             $currency = strtolower((string) ($found->currency ?? $config['currency'] ?? 'usd'));
+			$refund_smallest = $this->to_smallest_unit($refund_amount->decimal(), $currency);
+			if ($refund_smallest === null || $refund_smallest <= 0) {
+				return ['success' => false, 'message' => __('退款金额与币种精度不匹配', 'aksrt')];
+			}
 
             $options = ['api_key' => $config['secret_key']];
             if ($request_id !== '') {
@@ -235,7 +251,7 @@ class StripeGateway implements \AKSRT\Payment\GatewayInterface {
             }
             $refund = \Stripe\Refund::create([
                 'payment_intent' => $paymentIntentId,
-                'amount'         => $this->to_smallest_unit($amount, $currency),
+				'amount'         => $refund_smallest,
                 'reason'         => 'requested_by_customer',
                 'metadata'       => [
                     'aksrt_request_id' => $request_id,
@@ -390,26 +406,37 @@ class StripeGateway implements \AKSRT\Payment\GatewayInterface {
         return array_values(array_intersect($methods, $valid)) ?: ['card'];
     }
 
-    private function from_smallest_unit(int $amount, string $currency): float {
+    private function from_smallest_unit(int $amount, string $currency): string {
+		if ($amount < 0) {
+			return '0.00';
+		}
         $zero_decimal = ['bif', 'clp', 'djf', 'gnf', 'jpy', 'kmf', 'krw', 'mga', 'pyg', 'rwf', 'ugx', 'vnd', 'vuv', 'xaf', 'xof', 'xpf'];
         if (in_array(strtolower($currency), $zero_decimal, true)) {
-            return (float) $amount;
+			if ($amount > intdiv(PHP_INT_MAX, 100)) {
+				return '0.00';
+			}
+			return \AKSRT\Ledger\AssetAmount::from_minor(\AKSRT\Ledger\AssetType::BALANCE, $amount * 100)->decimal();
         }
 
-        return $amount / 100;
+		return \AKSRT\Ledger\AssetAmount::from_minor(\AKSRT\Ledger\AssetType::BALANCE, $amount)->decimal();
     }
 
     /**
      * 将金额转换为最小单位（分/cent）。
      */
-    private function to_smallest_unit(float $amount, string $currency): int {
+    private function to_smallest_unit(string $amount, string $currency): ?int {
+		try {
+			$parsed = \AKSRT\Ledger\AssetAmount::balance($amount);
+		} catch (\InvalidArgumentException $e) {
+			return null;
+		}
         // 零小数货币（日元、韩元等）
         $zeroDecimal = ['bif', 'clp', 'djf', 'gnf', 'jpy', 'kmf', 'krw', 'mga', 'pyg', 'rwf', 'ugx', 'vnd', 'vuv', 'xaf', 'xof', 'xpf'];
 
         if (in_array(strtolower($currency), $zeroDecimal, true)) {
-            return (int) $amount;
+			return $parsed->minor() % 100 === 0 ? intdiv($parsed->minor(), 100) : null;
         }
 
-        return (int) round($amount * 100);
+		return $parsed->minor();
     }
 }