289 lines
12 KiB
PHP
289 lines
12 KiB
PHP
<?php
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/**
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* @package AKSRT
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*/
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namespace AKSRT\Payment;
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defined('ABSPATH') || exit;
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/**
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* 站内余额支付网关（内置实现）。
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*
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* 仅扣统一资产账本中的现金余额。
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*/
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class BalanceGateway implements GatewayInterface {
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public function get_id(): string {
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return 'balance';
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}
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public function get_name(): string {
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return __('站内余额', 'aksrt');
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}
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public function is_configured(): bool {
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if (!$this->balance_enabled()) {
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return false;
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}
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if (class_exists('\AKSRT\Settings\PaymentRuntime')) {
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return \AKSRT\Settings\PaymentRuntime::is_gateway_enabled('balance');
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}
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return true;
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}
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public function create_payment(array $order): array {
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$user_id = (int) ($order['user_id'] ?? 0);
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$order_number = (string) ($order['order_number'] ?? '');
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if (!$this->balance_enabled()) {
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return ['success' => false, 'message' => __('余额功能未启用', 'aksrt')];
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}
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if ($user_id <= 0) {
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return ['success' => false, 'message' => __('请先登录', 'aksrt')];
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}
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global $wpdb;
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$table = \AKSRT\Core\DBMigrator::table('order');
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$amount = $wpdb->get_var($wpdb->prepare(
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"SELECT amount FROM {$table} WHERE order_number = %s",
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$order_number
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));
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try {
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$amount_minor = \AKSRT\Ledger\AssetAmount::balance(is_string($amount) ? $amount : '')->minor();
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} catch (\InvalidArgumentException $e) {
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return ['success' => false, 'message' => __('支付金额无效', 'aksrt')];
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}
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$transaction_code = 'BAL_' . $order_number;
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$guard = static function () use ($order_number, $user_id, $amount_minor) {
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global $wpdb;
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$table = \AKSRT\Core\DBMigrator::table('order');
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$current = $wpdb->get_row($wpdb->prepare(
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"SELECT user_id, amount, status FROM {$table} WHERE order_number = %s FOR UPDATE",
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$order_number
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), ARRAY_A);
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try {
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$current_minor = is_array($current)
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? \AKSRT\Ledger\AssetAmount::balance((string) ($current['amount'] ?? ''))->minor()
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: -1;
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} catch (\InvalidArgumentException $e) {
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$current_minor = -1;
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}
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if (!is_array($current)
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|| (int) ($current['user_id'] ?? 0) !== $user_id
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|| $current_minor !== $amount_minor
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|| (string) ($current['status'] ?? '') !== Order::STATUS_PENDING
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) {
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return new \WP_Error('aksrt_order_confirm_failed', __('订单状态或金额已变化', 'aksrt'), ['status' => 409]);
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}
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return true;
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};
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$result = \AKSRT\Ledger\LedgerService::get_instance()->debit(
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$user_id,
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\AKSRT\Ledger\AssetType::BALANCE,
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$amount_minor,
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\AKSRT\Ledger\OperationKey::deterministic('order-payment', [$order_number]),
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'order_payment',
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['type' => 'order', 'key' => $order_number],
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sprintf(__('订单 %s 支付', 'aksrt'), $order_number),
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$user_id,
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['order_number' => $order_number],
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static function () use ($order_number, $transaction_code, $order) {
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$paid = OrderRepository::get_instance()->update_status($order_number, Order::STATUS_PAID, [
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'payment_method' => 'balance',
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'payment_transaction_id' => $transaction_code,
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'note' => (string) ($order['_ledger_paid_note'] ?? __('余额支付成功', 'aksrt')),
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'require_transition' => true,
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]);
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return $paid ? true : new \WP_Error('aksrt_order_confirm_failed', __('订单状态确认失败', 'aksrt'), ['status' => 409]);
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},
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$guard
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);
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if (is_wp_error($result)) {
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$error_data = $result->get_error_data();
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return [
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'success' => false,
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'code' => $result->get_error_code(),
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'status' => is_array($error_data) ? (int) ($error_data['status'] ?? 500) : 500,
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'message' => $result->get_error_message() ?: __('扣款失败', 'aksrt'),
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];
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}
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return [
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'success' => true,
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'transaction_id' => $transaction_code,
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'ledger_transaction_id' => $result->transaction_id,
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'flow_number' => $result->flow_number,
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'replayed' => $result->replayed,
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'order_committed' => true,
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'message' => __('余额支付成功', 'aksrt'),
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];
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}
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public function verify_callback(\WP_REST_Request $request): array {
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// Balance payment is synchronous — no callback needed
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return ['success' => false, 'message' => __('余额支付无需回调验证', 'aksrt')];
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}
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public function query_status(string $order_number): array {
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$order_repo = OrderRepository::get_instance();
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$order = $order_repo->get($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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return [
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'success' => true,
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'status' => $order['status'],
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'transaction_id' => $order['payment_transaction_id'] ?? '',
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];
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}
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public function refund(string $order_number, string $amount, string $request_id = ''): array {
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$order_repo = OrderRepository::get_instance();
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$order = $order_repo->get($order_number);
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if (!$order) {
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return ['success' => false, 'message' => __('订单不存在', 'aksrt')];
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}
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$user_id = (int) $order['user_id'];
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if (!$this->balance_enabled()) {
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return ['success' => false, 'message' => __('余额功能未启用', 'aksrt')];
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}
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$request_id = sanitize_text_field($request_id);
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try {
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$amount_minor = \AKSRT\Ledger\AssetAmount::balance($amount)->minor();
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if ($amount_minor <= 0) {
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return ['success' => false, 'message' => __('退款金额无效', 'aksrt')];
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}
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$operation_key = \AKSRT\Ledger\OperationKey::deterministic('order-refund', [$request_id !== '' ? $request_id : $order_number]);
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$history = \AKSRT\Ledger\LedgerQuery::get_instance()->history(['operation_key' => $operation_key, 'page' => 1, 'per_page' => 1]);
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if (!empty($history['items'][0])) {
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$committed = $history['items'][0];
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$refund_entry = null;
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foreach ((array) ($committed['entries'] ?? []) as $entry) {
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if ((int) ($entry['user_id'] ?? 0) === $user_id
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&& (string) ($entry['asset'] ?? '') === \AKSRT\Ledger\AssetType::BALANCE->value
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&& (string) ($entry['entry_type'] ?? '') === 'refund'
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) {
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$refund_entry = $entry;
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break;
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}
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}
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if ((string) ($committed['reason'] ?? '') !== 'order_refund'
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|| (string) ($committed['ref_type'] ?? '') !== 'order'
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|| (string) ($committed['ref_key'] ?? '') !== $order_number
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|| !is_array($refund_entry)
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|| (int) ($refund_entry['delta_minor'] ?? 0) !== $amount_minor
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) {
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return ['success' => false, 'message' => __('相同退款标识已用于其他请求', 'aksrt')];
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}
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return [
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'success' => true,
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'refund_id' => 'BAL_REF_' . $order_number,
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'transaction_id' => (int) ($committed['id'] ?? 0),
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'ledger_transaction_id' => (int) ($committed['id'] ?? 0),
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'replayed' => true,
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'balance' => \AKSRT\Ledger\LedgerService::get_instance()->balance_decimal($user_id),
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'message' => __('退款成功', 'aksrt'),
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];
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}
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$commission = CommissionLedger::get_instance();
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$commission_plan = $commission->prepare_full_refund($order_number);
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if (is_wp_error($commission_plan)) {
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return ['success' => false, 'message' => $commission_plan->get_error_message()];
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}
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$guard = static function () use ($order_number, $user_id, $amount_minor, $commission, $commission_plan) {
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global $wpdb;
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$table = \AKSRT\Core\DBMigrator::table('order');
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$current = $wpdb->get_row($wpdb->prepare(
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"SELECT user_id, amount, payment_method, status FROM {$table} WHERE order_number = %s FOR UPDATE",
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$order_number
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), ARRAY_A);
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try {
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$order_minor = is_array($current)
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? \AKSRT\Ledger\AssetAmount::balance((string) ($current['amount'] ?? ''))->minor()
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: -1;
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} catch (\InvalidArgumentException $e) {
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$order_minor = -1;
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}
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if (!is_array($current)
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|| (int) ($current['user_id'] ?? 0) !== $user_id
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|| sanitize_key((string) ($current['payment_method'] ?? '')) !== 'balance'
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|| $order_minor !== $amount_minor
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|| !in_array((string) ($current['status'] ?? ''), [Order::STATUS_PAID, Order::STATUS_REFUNDING], true)
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) {
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return new \WP_Error('aksrt_order_refund_conflict', __('退款订单状态或金额已变化', 'aksrt'), ['status' => 409]);
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}
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return $commission->guard_full_refund($commission_plan);
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};
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$mutation = static function () use ($order_number, $commission, $commission_plan) {
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$repo = OrderRepository::get_instance();
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$current = $repo->get($order_number);
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if (!is_array($current)) {
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return new \WP_Error('aksrt_order_refund_failed', __('退款订单不存在', 'aksrt'), ['status' => 404]);
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}
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if ((string) ($current['status'] ?? '') !== Order::STATUS_REFUNDING
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&& !$repo->update_status($order_number, Order::STATUS_REFUNDING, ['note' => __('余额退款处理中', 'aksrt')])) {
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return new \WP_Error('aksrt_order_refund_failed', __('退款状态更新失败', 'aksrt'), ['status' => 409]);
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}
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if (!$repo->update_status($order_number, Order::STATUS_REFUNDED, ['note' => __('余额退款已完成', 'aksrt')])) {
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return new \WP_Error('aksrt_order_refund_failed', __('退款状态更新失败', 'aksrt'), ['status' => 409]);
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}
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return $commission->apply_full_refund($commission_plan);
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};
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$entries = [[
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'user_id' => $user_id,
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'asset' => \AKSRT\Ledger\AssetType::BALANCE->value,
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'delta_minor' => $amount_minor,
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'entry_type' => 'refund',
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'remark' => sprintf(__('订单 %s 退款', 'aksrt'), $order_number),
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]];
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if (!empty($commission_plan['active']) && (string) ($commission_plan['status'] ?? '') === 'settled') {
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$entries[] = [
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'user_id' => (int) $commission_plan['promoter_id'],
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'asset' => \AKSRT\Ledger\AssetType::BALANCE->value,
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'delta_minor' => -(int) $commission_plan['amount_minor'],
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'entry_type' => 'commission_reversal',
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'counterparty_user_id' => $user_id,
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'remark' => sprintf(__('订单 %s 返佣退款冲正', 'aksrt'), $order_number),
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];
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}
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$result = \AKSRT\Ledger\LedgerService::get_instance()->post(new \AKSRT\Ledger\LedgerCommand(
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$operation_key,
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'order_refund',
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$entries,
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'order',
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$order_number,
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0,
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['request_id' => $request_id, 'commission_id' => (int) ($commission_plan['id'] ?? 0)]
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), $guard, $mutation);
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if (is_wp_error($result)) {
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return ['success' => false, 'message' => $result->get_error_message() ?: __('退款失败', 'aksrt')];
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}
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return [
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'success' => true,
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'refund_id' => 'BAL_REF_' . $order_number,
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'transaction_id' => $result->transaction_id,
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'ledger_transaction_id' => $result->transaction_id,
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'flow_number' => $result->flow_number,
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'replayed' => $result->replayed,
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'balance' => \AKSRT\Ledger\LedgerService::get_instance()->balance_decimal($user_id),
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'message' => __('退款成功', 'aksrt'),
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];
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} catch (\Throwable $e) {
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return ['success' => false, 'message' => $e->getMessage()];
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}
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}
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private function balance_enabled(): bool {
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if (!class_exists('\AKSRT\Settings\Settings')) {
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return false;
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}
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$settings = \AKSRT\Settings\Settings::get_payment_recharge_settings();
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return !empty($settings['enabled']);
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}
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}
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