kailin/app/Http/Controllers/Api/WechatTransfer.php

<?php namespace App\Http\Controllers\Api;

use App\Http\Controllers\Api\Api;
use App\Models\Custom;
use App\Facades\Servers\Logs\Log;
use App\Models\CustomAmount;
use App\Models\CustomAmountRecord;
use Illuminate\Http\Request;
use App\Servers\WechatPay\Transfer;
use Kra8\Snowflake\Snowflake;
use App\Servers\WechatMini\Mini;
use Illuminate\Support\Facades\DB;
use WeChatPay\Formatter;
use WeChatPay\Crypto\AesGcm;
use WeChatPay\Crypto\Rsa;

/**
 * 微信支付接口
 * 
 * @author JUN
 * 
 * */
class WechatTransfer extends Api{
    /**
     * 小程序微信支付下单				/api/wechat_pay/pay
     *
     * */
    public function transfer(Custom $Custom,CustomAmount $CustomAmount,CustomAmountRecord $CustomAmountRecord)
    {
        // 检查登录
        $uid				= $this->checkLogin();
        $code				= request('code','');
        $amount			    = request('amount','');
        // 获取余额信息
        $amountInfo         =   $CustomAmount::query()->where(['custom_uid'=>$uid])->first();
        if(!$amountInfo){
            $result         =   $CustomAmountRecord::query()->insert(['custom_uid'=>$uid,'insert_time'=>time(),'update_time'=>time()]);
            if (!$result){
                return json_send(['code'=>'error','msg'=>'提现失败','data'=>['error'=>'提现失败']]);
            }
            $balance    =   0;
        }else{
            $balance    =   $amountInfo['amount'];
        }
        // 如果剩余余额不足
        if( $balance < $amount ) return json_send(['code'=>'error','msg'=>'余额不足','data'=>['error'=>'余额不足']]);
        //获取openid
        $resultOpenid			= Mini::jscode2session($code);
        if (!$resultOpenid['openid']) return json_send(['code'=>'error','msg'=>'获取openid失败','data'=>$resultOpenid['error']]);
        $Snowflake                  =   new Snowflake();
        $SnowflakeId                =   $Snowflake->next();
        $params['amount']           =   $amount;
        $params['out_bill_no']      =   $SnowflakeId;
        $params['openid']           =   $resultOpenid['openid'];
        DB::beginTransaction();
        try {
            //扣除用户余额
            $amountUpdate				= [
                'amount'=>DB::raw('amount-'.$amount),
                'use_amount'=>DB::raw('use_amount+'.$amount),
                'transfer_amount'=>DB::raw('transfer_amount+'.$amount),
                'update_time'=>time()
            ];
            $result             =   $CustomAmount::query()->where(['custom_uid'=>$uid])->update($amountUpdate);
            if (!$result) {
                return json_send(['code'=>'error','msg'=>'提现申请失败','data'=>['error'=>'扣除用户余额失败']]);
            }
            $Transfer           =   new Transfer();
            $transferResult     =   $Transfer->pay($params);
            if (!$transferResult || $transferResult['state'] !== 'WAIT_USER_CONFIRM') return json_send(['code'=>'error','msg'=>'提现申请失败','data'=>'提现申请失败']);
            $data       =   [
                'custom_uid'		=>	$uid,
                'out_bill_no'		=>	$transferResult['out_bill_no'],
                'transfer_bill_no'	=>	$transferResult['transfer_bill_no'],
                'prefix'	        =>	2,
                'amount'	        =>	$amount,
                'buy_type'	        =>	2,
                'pay_type'	        =>	1,
                'balance'	        =>	$balance,
                'description'	    =>	'余额提现',
                'status'	        =>	1,
            ];
            //写入余额记录
            $recordResult     =   $CustomAmountRecord->add($data);
            if (!$recordResult) {
                DB::rollBack();
                return json_send(['code'=>'error','msg'=>'提现申请失败','data'=>'写入余额记录失败']);
            }
            // 提交数据
            DB::commit();
        }catch (\Exception $e){
            DB::rollBack();
            return json_send(['code'=>'error','msg'=>'提现申请失败','data'=>'提现申请失败']);
        }
        $list       =   [
            'package_info'      =>  $transferResult['package_info'],
            'out_bill_no'       =>  $transferResult['out_bill_no'],
        ];
        return json_send(['code'=>'success','msg'=>'成功','data'=>$list]);
    }
	
	/**
	 * 小程序微信支付回调				/api/wechat_pay/notify
	 * 
	 * */
    public function notify(Custom $Custom,CustomScore $CustomScore)
    {
        $content = file_get_contents("php://input");
        if (!empty($content)) {
            //直接json字符串
            $params = $content;
        } elseif (!empty($_POST)) {
            //直接POST数据
            $params = $_POST;
        } else {
            $params = [];
        }
        $post_data = $params;
        Log::log('notify_wechat_transfer', 'post_data:' . $post_data);
        //获取headers参数
        $headers = request()->header();
        Log::log('notify_wechat_transfer', '微信支付回调返回headers参数:' . json_encode($headers));

        $inWechatpaySignature   = $headers['wechatpay-signature'][0];
        $inWechatpayTimestamp   = $headers['wechatpay-timestamp'][0];
        $inWechatpaySerial      = $headers['wechatpay-serial'][0];
        $inWechatpayNonce       = $headers['wechatpay-nonce'][0];
        $inBody = $post_data;
        Log::log('notify_wechat_transfer', 'wechatpay-timestamp:' . $inWechatpayTimestamp);
        $apiv3Key = Config('wechatpay.APIV3');// 在商户平台上设置的APIv3密钥
        // 根据通知的平台证书序列号，查询本地平台证书文件，
        $platformCertificateFilePath = Config('wechatpay.platformCertificate');
        $platformPublicKeyInstance = Rsa::from($platformCertificateFilePath, Rsa::KEY_TYPE_PUBLIC);
        try {
            // 检查通知时间偏移量，允许5分钟之内的偏移
            $timeOffsetStatus = 300 >= abs(Formatter::timestamp() - (int)$inWechatpayTimestamp);
            Log::log('notify_wechat_transfer', '时间偏移量:' . $timeOffsetStatus);
            $verifiedStatus = Rsa::verify(
            // 构造验签名串
                Formatter::joinedByLineFeed($inWechatpayTimestamp, $inWechatpayNonce, $inBody),
                $inWechatpaySignature,
                $platformPublicKeyInstance
            );
            Log::log('notify_wechat_transfer', '验签:' . $verifiedStatus.'验签inWechatpayTimestamp:' . $inWechatpayTimestamp.'验签verifiedStatus:' . $inWechatpayNonce);
            if ($timeOffsetStatus && $verifiedStatus) {
                // 转换通知的JSON文本消息为PHP Array数组
                $inBodyArray = (array)json_decode($inBody, true);
                // 使用PHP7的数据解构语法，从Array中解构并赋值变量
                ['resource' => [
                    'ciphertext' => $ciphertext,
                    'nonce' => $nonce,
                    'associated_data' => $aad
                ]] = $inBodyArray;
                // 加密文本消息解密
                $inBodyResource = AesGcm::decrypt($ciphertext, $apiv3Key, $nonce, $aad);
                // 把解密后的文本转换为PHP Array数组
                $inBodyResourceArray = (array)json_decode($inBodyResource, true);
                Log::log('notify_wechat_transfer', '打印解密后的结果:' . json_encode($inBodyResourceArray));
                Log::log('notify_wechat_transfer', '参数:' . $inBodyResourceArray['trade_state'] . '订单号' . $inBodyResourceArray['out_trade_no'] . '微信支付号' . $inBodyResourceArray['transaction_id']);
                if ($inBodyResourceArray['trade_state'] == "SUCCESS") {
                    $status      =  2;
                    //更新余额订单状态
                    $data = [
                        'pay_time' => time(),
                        'status'=>$status,
                    ];
                    $res = CustomAmountRecord::query()->where('out_bill_no','=',$inBodyResourceArray['out_bill_no'])->update($data);
                    Log::log('notify_wechat_transfer', '更新余额记录,snowflake_id:'.$inBodyResourceArray['out_bill_no'].';'. json_encode($res));
                    if (!$res) {
                        Log::log('notify_wechat_transfer', '更新余额记录失败' . json_encode($res));
                        return json_send(['code'=>'FAIL']);
                    }
                    Log::log('notify_wechat_pay', '支付回调完成 通知返回' . json_encode($data));
                }elseif ($inBodyResourceArray['trade_state'] == "FAIL"){
                    $status      =  3;
                    //更新余额订单状态
                    $data = [
                        'status'=>$status
                    ];
                    $res    = CustomAmountRecord::query()->where('out_bill_no','=',$inBodyResourceArray['out_bill_no'])->update($data);
                    Log::log('notify_wechat_transfer', '更新余额记录,snowflake_id:'.$inBodyResourceArray['out_bill_no'].';'. json_encode($res));
                    if (!$res) {
                        Log::log('notify_wechat_transfer', '更新余额记录失败' . json_encode($res));
                        return json_send(['code'=>'FAIL']);
                    }
                    $amountInfo = CustomAmountRecord::query()->where('out_bill_no','=',$inBodyResourceArray['out_bill_no'])->first();
                    if ($amountInfo){
                        Log::log('notify_wechat_transfer', '获取余额记录信息失败' . json_encode($res));
                        return json_send(['code'=>'FAIL']);
                    }
                    //退回余额
                    $res    =   CustomAmount::query()->where('uid','=',$amountInfo['custom_uid'])->increment('amount',$amountInfo['amount']);
                    if (!$res){
                        Log::log('notify_wechat_pay', '退回余额失败' . json_encode($amountInfo));
                        return json_send(['code'=>'FAIL']);
                    }
                    Log::log('notify_wechat_pay', '回调完成 通知返回' . json_encode($amountInfo));
                }
                return json_send(['code'=>'SUCCESS']);
            }else{
                return json_send(['code'=>'FAIL']);
            }
        }catch (\Exception $e){
            Log::log('notify_wechat_transfer', '回调失败getMessage:' . $e->getMessage());
        }
        return json_send(['code'=>'SUCCESS']);
    }


}