kate522
2ead893923
Expand coupon scope to content categories, document points_deduction as runtime-off like zibll, reject card_pass on content cashier, and pass shop/content context into coupon validate.
379 lines
15 KiB
PHP
379 lines
15 KiB
PHP
<?php
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/**
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* Shop checkout service.
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*
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* Extracted from AKSRT_Shop to isolate checkout preview, order
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* creation, and payment orchestration into a cohesive unit.
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*
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* @package AKSRT
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*/
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defined('ABSPATH') || exit;
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class AKSRT_Shop_Checkout_Service {
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private AKSRT_Shop $shop;
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public function __construct(AKSRT_Shop $shop) {
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$this->shop = $shop;
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}
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public function preview_checkout(int $user_id, array $payload): array {
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if ($user_id <= 0) {
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return ['success' => false, 'message' => __('请先登录后再结算。', 'aksrt')];
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}
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$items = $this->normalize_checkout_items($payload['items'] ?? []);
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if (empty($items)) {
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return ['success' => false, 'message' => __('请选择至少一个商品。', 'aksrt')];
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}
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$product_views = [];
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$subtotal = 0.0;
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foreach ($items as $item) {
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$product = $this->shop->get_product_detail_view((int) $item['product_id']);
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if (empty($product) || empty($product['purchase_enabled'])) {
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return ['success' => false, 'message' => __('存在不可购买商品，请刷新后重试。', 'aksrt')];
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}
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if ((int) $product['stock'] < (int) $item['quantity']) {
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return ['success' => false, 'message' => sprintf(__('商品 %s 库存不足。', 'aksrt'), $product['title'])];
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}
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$line_total = round(((float) $product['price']) * (int) $item['quantity'], 2);
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// R69: Apply discount engine (shop_discount taxonomy campaigns)
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$discount_result = ['discount_amount' => 0, 'gifts' => [], 'applied' => []];
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if (class_exists('AKSRT_Discount')) {
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$discount_result = AKSRT_Discount::get_instance()->calculate(
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(float) $product['price'],
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(int) $item['quantity'],
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(int) $product['id'],
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$user_id
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);
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$line_total = $discount_result['final_price'];
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}
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$subtotal += $line_total;
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$product_views[] = [
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'product_id' => (int) $product['id'],
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'title' => $product['title'],
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'price' => (float) $product['price'],
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'quantity' => (int) $item['quantity'],
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'line_total' => $line_total,
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'image' => $product['image'],
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'shipping' => $product['shipping'],
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'discount_amount' => (float) ($discount_result['discount_amount'] ?? 0),
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'gifts' => (array) ($discount_result['gifts'] ?? []),
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'applied_discounts' => (array) ($discount_result['applied'] ?? []),
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];
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}
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$shipping_method = sanitize_key((string) ($payload['shipping_method'] ?? 'express'));
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$shipping_profile = $this->resolve_shipping_quote($product_views, $shipping_method);
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$coupon_code = sanitize_text_field((string) ($payload['coupon_code'] ?? ''));
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$product_ids = array_values(array_unique(array_map(static function ($row) {
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return (int) ($row['product_id'] ?? $row['id'] ?? 0);
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}, $product_views)));
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$coupon_result = $this->resolve_coupon_discount($coupon_code, $subtotal + $shipping_profile['fee'], $product_ids);
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if (!$coupon_result['success']) {
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return $coupon_result;
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}
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$total = max(0, round($subtotal + $shipping_profile['fee'] - $coupon_result['discount'], 2));
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$address = $this->resolve_checkout_address($user_id, (int) ($payload['address_id'] ?? 0));
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$payment_method = $this->resolve_payment_method((string) ($payload['payment_method'] ?? 'balance'));
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return [
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'success' => true,
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'data' => [
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'items' => $product_views,
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'subtotal' => round($subtotal, 2),
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'shipping_fee' => $shipping_profile['fee'],
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'shipping_method' => $shipping_profile['method'],
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'discount' => $coupon_result['discount'],
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'coupon' => $coupon_result['coupon'],
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'address' => $address,
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'payment_method' => $payment_method,
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'total' => $total,
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],
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];
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}
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public function create_checkout_order(int $user_id, array $payload): array {
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$preview = $this->preview_checkout($user_id, $payload);
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if (empty($preview['success'])) {
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return $preview;
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}
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$data = $preview['data'];
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$primary_item = $data['items'][0] ?? null;
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if (!$primary_item || !class_exists('AKSRT_Order_Repository')) {
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return ['success' => false, 'message' => __('订单创建失败。', 'aksrt')];
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}
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$payment_method = sanitize_key((string) ($data['payment_method']['value'] ?? 'balance'));
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$meta_payload = [
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'customer_note' => sanitize_textarea_field((string) ($payload['customer_note'] ?? '')),
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'items' => $data['items'],
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'coupon' => $data['coupon'],
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'shipping_fee' => $data['shipping_fee'],
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'shipping_method' => $data['shipping_method'],
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'address' => $data['address'],
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'payment_method' => $data['payment_method'],
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'discount' => $data['discount'],
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];
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$expiry_minutes = 30;
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if (class_exists('AKSRT_Settings')) {
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$order_settings = AKSRT_Settings::get_order_settings();
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$expiry_minutes = max(5, min(1440, (int) ($order_settings['expiry'] ?? 30)));
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}
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$order_number = AKSRT_Order_Repository::get_instance()->create([
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'user_id' => $user_id,
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'product_type' => 'shop_product',
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'product_id' => (int) $primary_item['product_id'],
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'amount' => (float) $data['total'],
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'currency' => 'CNY',
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'status' => AKSRT_Order::STATUS_PENDING,
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'payment_method' => $payment_method,
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'expires_at' => date('Y-m-d H:i:s', strtotime('+' . $expiry_minutes . ' minutes')),
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'note' => wp_json_encode($meta_payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES),
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]);
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if ($order_number === '') {
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return ['success' => false, 'message' => __('订单创建失败。', 'aksrt')];
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}
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$this->shop->save_order_items($order_number, $data['items']);
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if (!empty($data['coupon']['code']) && class_exists('AKSRT_Coupon')) {
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$coupon_instance = AKSRT_Coupon::get_instance();
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$coupon_instance->use_coupon($data['coupon']['code']);
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// R69: Log coupon usage for per-user tracking
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$coupon_row = $coupon_instance->validate($data['coupon']['code']);
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$coupon_id = (int) ($coupon_row['coupon']['id'] ?? 0);
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if ($coupon_id > 0) {
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$coupon_instance->log_usage(
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$coupon_id,
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$user_id,
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$order_number,
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(float) ($data['discount'] ?? 0)
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);
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}
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}
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$detail = $this->shop->get_order_detail_view($user_id, $order_number);
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return [
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'success' => true,
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'data' => [
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'order_number' => $order_number,
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'order' => $detail,
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],
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];
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}
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public function pay_order(int $user_id, string $order_number, string $payment_method): array {
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if ($user_id <= 0 || $order_number === '' || !class_exists('AKSRT_Order_Repository')) {
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return ['success' => false, 'message' => __('订单不存在。', 'aksrt')];
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}
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$repo = AKSRT_Order_Repository::get_instance();
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$order = $repo->get_user_order($user_id, $order_number);
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if (!$order) {
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return ['success' => false, 'message' => __('订单不存在。', 'aksrt')];
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}
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// 未显式指定时，使用订单创建时选定的支付方式。
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$payment_method = sanitize_key($payment_method ?: (string) ($order['payment_method'] ?? 'balance'));
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$gateway_manager = class_exists('AKSRT_Payment_Gateway') ? AKSRT_Payment_Gateway::get_instance() : null;
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$gateway = $gateway_manager ? $gateway_manager->get_gateway($payment_method) : null;
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if (!$gateway) {
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return ['success' => false, 'message' => __('当前支付方式不可用。', 'aksrt')];
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}
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if (method_exists($gateway, 'is_configured') && !$gateway->is_configured()) {
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return ['success' => false, 'message' => __('该支付方式尚未配置，请联系站长。', 'aksrt')];
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}
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// 携带订单号与摘要，供网关生成支付单。
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$order['subject'] = $order['subject'] ?? sprintf(__('订单 %s', 'aksrt'), $order_number);
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// Points payment: synchronous deduction via AKSRT_Credits
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if ($payment_method === 'points') {
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return $this->pay_with_points($user_id, $order_number, $order);
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}
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$payment_result = $gateway->create_payment($order);
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if (empty($payment_result['success'])) {
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return ['success' => false, 'message' => $payment_result['message'] ?? __('支付失败。', 'aksrt')];
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}
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// 跳转/扫码型网关（支付宝/微信/PayPal/Stripe）：返回支付凭据，订单保持待支付，
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// 由 /payment/{gateway}/notify|return 回调确认到账；此处绝不预先标记已支付。
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$code_url = $payment_result['payment_data']['code_url'] ?? '';
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if (!empty($payment_result['payment_url']) || $code_url !== '') {
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return [
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'success' => true,
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'data' => [
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'redirect' => true,
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'payment_url' => (string) ($payment_result['payment_url'] ?? ''),
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'qr_content' => (string) $code_url,
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'order_number' => $order_number,
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'message' => $payment_result['message'] ?? __('请在新页面完成支付。', 'aksrt'),
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],
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];
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}
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// 同步型网关（站内余额）：create_payment 已实际扣款，标记已支付（触发 aksrt_order_paid 履约）。
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$repo->update_status($order_number, AKSRT_Order::STATUS_PAID, [
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'payment_method' => $payment_method,
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'payment_transaction_id' => sanitize_text_field((string) ($payment_result['transaction_id'] ?? '')),
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'note' => __('用户在前台完成支付。', 'aksrt'),
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]);
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return [
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'success' => true,
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'data' => [
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'order' => $this->shop->get_order_detail_view($user_id, $order_number),
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'message' => $payment_result['message'] ?? __('支付成功。', 'aksrt'),
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],
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];
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}
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private function pay_with_points(int $user_id, string $order_number, array $order): array {
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if (!class_exists('AKSRT_Credits')) {
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return ['success' => false, 'message' => __('积分系统不可用。', 'aksrt')];
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}
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$amount = (int) round((float) ($order['amount'] ?? 0));
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if ($amount <= 0) {
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return ['success' => false, 'message' => __('订单金额无效。', 'aksrt')];
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}
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$balance = AKSRT_Credits::balance($user_id);
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if ($balance < $amount) {
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return ['success' => false, 'message' => sprintf(__('积分不足，需要 %d 积分，当前余额 %d。', 'aksrt'), $amount, $balance)];
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}
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$deducted = AKSRT_Credits::deduct(
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$user_id,
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$amount,
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'shop_points_pay',
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['order' => $order_number],
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sprintf(__('积分购买订单 %s', 'aksrt'), $order_number)
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);
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if (is_wp_error($deducted)) {
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return ['success' => false, 'message' => $deducted->get_error_message() ?: __('积分扣除失败。', 'aksrt')];
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}
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$repo = AKSRT_Order_Repository::get_instance();
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$repo->update_status($order_number, AKSRT_Order::STATUS_PAID, [
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'payment_method' => 'points',
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'payment_transaction_id' => 'points_' . $order_number,
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'note' => sprintf(__('积分支付 %d 积分。', 'aksrt'), $amount),
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]);
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return [
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'success' => true,
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'data' => [
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'order' => $this->shop->get_order_detail_view($user_id, $order_number),
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'message' => __('积分支付成功。', 'aksrt'),
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],
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];
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}
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private function normalize_checkout_items($items): array {
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if (!is_array($items)) {
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return [];
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}
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$normalized = [];
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foreach ($items as $item) {
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$product_id = (int) ($item['product_id'] ?? 0);
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$quantity = max(1, (int) ($item['quantity'] ?? 1));
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if ($product_id <= 0) {
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continue;
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}
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$normalized[] = [
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'product_id' => $product_id,
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'quantity' => $quantity,
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];
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}
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return $normalized;
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}
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private function resolve_coupon_discount(string $coupon_code, float $order_amount, array $product_ids = []): array {
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if ($coupon_code === '') {
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return ['success' => true, 'discount' => 0.0, 'coupon' => []];
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}
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if (!class_exists('AKSRT_Coupon')) {
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return ['success' => false, 'message' => __('优惠券系统不可用。', 'aksrt')];
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}
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$result = AKSRT_Coupon::get_instance()->validate($coupon_code, $order_amount, [
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'user_id' => get_current_user_id(),
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'product_ids' => array_values(array_filter(array_map('intval', $product_ids))),
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'context' => 'shop',
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]);
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if (empty($result['valid'])) {
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return ['success' => false, 'message' => $result['message'] ?? __('优惠券不可用。', 'aksrt')];
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}
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return [
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'success' => true,
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'discount' => (float) ($result['discount'] ?? 0),
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'coupon' => [
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'code' => (string) ($result['coupon']['code'] ?? $coupon_code),
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'type' => (string) ($result['coupon']['type'] ?? ''),
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'value' => (float) ($result['coupon']['value'] ?? 0),
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],
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];
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}
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private function resolve_shipping_quote(array $items, string $shipping_method): array {
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$methods = $this->shop->get_shipping_method_options();
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$method = $methods[$shipping_method] ?? $methods['express'];
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$base_fee = (float) ($method['fee'] ?? 0);
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foreach ($items as $item) {
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$base_fee += (float) ($item['shipping']['fee'] ?? 0);
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}
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return [
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'method' => $method,
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'fee' => round($base_fee, 2),
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];
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}
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private function resolve_checkout_address(int $user_id, int $address_id): array {
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$addresses = $this->shop->get_address_book($user_id);
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foreach ($addresses as $address) {
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if ((int) ($address['id'] ?? 0) === $address_id) {
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return $address;
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}
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}
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return $addresses[0] ?? [];
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}
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private function resolve_payment_method(string $value): array {
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$methods = $this->shop->get_payment_method_options();
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return $methods[$value] ?? reset($methods);
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}
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public function get_checkout_hint(array $product): array {
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return [
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'delivery' => $product['shipping']['delivery_note'] ?: __('付款后自动进入订单中心，可继续查看物流和售后进度。', 'aksrt'),
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'service' => $product['after_sale']['policy'] ?: __('支持在订单中心发起售后申请。', 'aksrt'),
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];
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}
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}
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