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wushumin
255
app/common/service/PaymentService.php
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255
app/common/service/PaymentService.php
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<?php
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namespace app\common\service;
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use app\common\model\Order;
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use app\common\model\PaymentTransaction;
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use app\common\model\WechatMerchant;
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use app\common\model\UserWechatIdentity;
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use Illuminate\Database\Capsule\Manager as DB;
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class PaymentService
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{
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public static function createWechatJsapiPay(Order $order, string $appId, string $openid = ''): array
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{
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if ($order->status !== 'wait_pay') {
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throw new \RuntimeException('订单状态不正确');
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}
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$merchant = self::selectWechatMerchantForJsapi($order, $appId);
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if (!$merchant) {
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throw new \RuntimeException('未配置可用的微信商户号');
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}
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$notifyUrl = (string)($merchant->notify_url ?? '');
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if ($notifyUrl === '') {
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$notifyUrl = (string)(getenv('WECHATPAY_NOTIFY_URL') ?: '');
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}
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if ($notifyUrl === '') {
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throw new \RuntimeException('回调地址未配置');
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}
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$outTradeNo = self::genOutTradeNo($order);
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$amountFen = (int)round(((float)$order->total_price) * 100);
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$description = '安心验-鉴定订单 ' . $order->order_no;
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$openid = trim($openid);
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if ($openid === '') {
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$identity = UserWechatIdentity::where('user_id', $order->user_id)->where('app_id', $appId)->first();
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if ($identity) {
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$openid = (string)$identity->openid;
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}
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}
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if ($openid === '') {
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throw new \RuntimeException('缺少 openid，无法发起 JSAPI 支付');
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}
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DB::beginTransaction();
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try {
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$tx = PaymentTransaction::create([
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'order_id' => $order->id,
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'channel' => 'wechat',
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'merchant_id' => $merchant->id,
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'out_trade_no' => $outTradeNo,
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'amount' => $order->total_price,
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'status' => 'created',
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]);
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$order->pay_channel = 'wechat';
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$order->pay_status = 'paying';
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$order->pay_merchant_id = $merchant->id;
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$order->pay_out_trade_no = $outTradeNo;
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$order->save();
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$client = new WechatPayV3Client($merchant);
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$resp = $client->createJsapiTransaction($outTradeNo, $description, $amountFen, $notifyUrl, $openid);
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$tx->prepay_id = $resp['prepay_id'] ?? null;
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$tx->raw_json = $resp;
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$tx->save();
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if (!$tx->prepay_id) {
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throw new \RuntimeException('微信支付下单失败：缺少 prepay_id');
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}
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$payParams = $client->buildJsapiPayParams($appId, $tx->prepay_id);
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DB::commit();
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return [
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'channel' => 'wechat',
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'pay_type' => 'jsapi',
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'out_trade_no' => $outTradeNo,
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'merchant' => [
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'id' => $merchant->id,
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'name' => $merchant->name,
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'mode' => $merchant->mode,
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'mch_id' => $merchant->mch_id,
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],
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'pay_params' => $payParams,
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];
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} catch (\Throwable $e) {
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DB::rollBack();
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throw $e;
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}
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}
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public static function createWechatNativePay(Order $order): array
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{
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if ($order->status !== 'wait_pay') {
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throw new \RuntimeException('订单状态不正确');
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}
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$merchant = self::selectWechatMerchant($order);
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if (!$merchant) {
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throw new \RuntimeException('未配置可用的微信商户号');
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}
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$notifyUrl = (string)($merchant->notify_url ?? '');
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if ($notifyUrl === '') {
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$notifyUrl = (string)(getenv('WECHATPAY_NOTIFY_URL') ?: '');
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}
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if ($notifyUrl === '') {
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throw new \RuntimeException('回调地址未配置');
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}
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$outTradeNo = self::genOutTradeNo($order);
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$amountFen = (int)round(((float)$order->total_price) * 100);
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$description = '安心验-鉴定订单 ' . $order->order_no;
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DB::beginTransaction();
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try {
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$tx = PaymentTransaction::create([
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'order_id' => $order->id,
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'channel' => 'wechat',
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'merchant_id' => $merchant->id,
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'out_trade_no' => $outTradeNo,
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'amount' => $order->total_price,
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'status' => 'created',
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]);
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$order->pay_channel = 'wechat';
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$order->pay_status = 'paying';
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$order->pay_merchant_id = $merchant->id;
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$order->pay_out_trade_no = $outTradeNo;
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$order->save();
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$client = new WechatPayV3Client($merchant);
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$resp = $client->createNativeTransaction($outTradeNo, $description, $amountFen, $notifyUrl);
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$tx->prepay_id = $resp['prepay_id'] ?? null;
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$tx->code_url = $resp['code_url'] ?? null;
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$tx->raw_json = $resp;
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$tx->save();
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DB::commit();
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return [
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'channel' => 'wechat',
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'pay_type' => 'native',
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'out_trade_no' => $outTradeNo,
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'code_url' => $tx->code_url,
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'merchant' => [
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'id' => $merchant->id,
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'name' => $merchant->name,
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'mode' => $merchant->mode,
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'mch_id' => $merchant->mch_id,
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],
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];
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} catch (\Throwable $e) {
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DB::rollBack();
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throw $e;
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}
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}
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public static function selectWechatMerchant(Order $order): ?WechatMerchant
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{
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$list = WechatMerchant::where('status', 1)
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->whereIn('mode', ['direct', 'service_provider'])
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->whereNotNull('serial_no')->where('serial_no', '<>', '')
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->whereNotNull('api_v3_key')->where('api_v3_key', '<>', '')
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->where(function ($q) {
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$q->where(function ($q2) {
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$q2->whereNotNull('private_key_pem')->where('private_key_pem', '<>', '');
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})->orWhere(function ($q2) {
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$q2->whereNotNull('apiclient_key_path')->where('apiclient_key_path', '<>', '');
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});
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})
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->orderByDesc('is_default')
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->orderBy('id')
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->get();
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if ($list->count() === 0) return null;
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if ($list->count() === 1) return $list->first();
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$default = $list->firstWhere('is_default', 1);
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if ($default) return $default;
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$idx = abs(crc32((string)$order->order_no)) % $list->count();
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return $list->values()->get($idx);
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}
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public static function selectWechatMerchantForJsapi(Order $order, string $appId): ?WechatMerchant
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{
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$appId = trim($appId);
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if ($appId === '') {
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throw new \RuntimeException('缺少 app_id');
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}
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$list = WechatMerchant::where('status', 1)
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->whereIn('mode', ['direct', 'service_provider'])
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->whereNotNull('serial_no')->where('serial_no', '<>', '')
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->whereNotNull('api_v3_key')->where('api_v3_key', '<>', '')
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->where(function ($q) {
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$q->where(function ($q2) {
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$q2->whereNotNull('private_key_pem')->where('private_key_pem', '<>', '');
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})->orWhere(function ($q2) {
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$q2->whereNotNull('apiclient_key_path')->where('apiclient_key_path', '<>', '');
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});
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})
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->get()
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->filter(function ($m) use ($appId) {
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$mode = (string)($m->mode ?? '');
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if ($mode === 'direct') {
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return (string)($m->app_id ?? '') === $appId;
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}
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if ($mode === 'service_provider') {
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$subAppId = (string)($m->sub_app_id ?? '');
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if ($subAppId !== '') return $subAppId === $appId;
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return (string)($m->app_id ?? '') === $appId;
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}
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return false;
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})
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->values();
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if ($list->count() === 0) return null;
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if ($list->count() === 1) return $list->first();
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$default = $list->firstWhere('is_default', 1);
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if ($default) return $default;
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$idx = abs(crc32((string)$order->order_no)) % $list->count();
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return $list->get($idx);
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}
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private static function genOutTradeNo(Order $order): string
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{
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return 'AXY' . date('YmdHis') . $order->id . random_int(1000, 9999);
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}
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private static function resolveJsapiAppId(WechatMerchant $merchant): string
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{
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$mode = (string)($merchant->mode ?? 'direct');
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$appId = (string)($merchant->app_id ?? '');
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$subAppId = (string)($merchant->sub_app_id ?? '');
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if ($mode === 'direct') {
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if ($appId === '') throw new \RuntimeException('商户 AppID 未配置');
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return $appId;
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}
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if ($mode === 'service_provider') {
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if ($subAppId !== '') return $subAppId;
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if ($appId === '') throw new \RuntimeException('服务商 AppID 未配置');
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return $appId;
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}
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throw new \RuntimeException('该商户类型暂不支持 JSAPI');
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}
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}
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