BaoMa/app/Http/Controllers/Api/V1/OrderController.php

<?php
/**
 * Created by PhpStorm.
 * User: zilongs
 * Date: 20-9-30
 * Time: 下午10:58
 */

namespace App\Http\Controllers\Api\v1;

use App\Models\Order;
use App\Models\OrderPatient;
use App\Models\Patient;
use App\Models\Payment;
use App\Models\TimePeriod;
use App\Models\UserCoupon;
use DB;
use EasyWeChat\Factory;

class OrderController extends AuthController
{
    public function placeOrder()
    {
        $req = request()->post();
        $this->validate(request(), [
            'product_type' => 'required|in:1,2,3',
            'docter_id' => 'required|integer',
            'patient_id' => 'required|integer',
            'total_amount' => 'required|integer',
            'user_coupon_id' => 'integer',
            'phone' => 'required_if:product_type,1',
            'phone_minutes' => 'required_if:product_type,1|integer',
            'symptoms' => 'required_if:product_type,2|max:2000',
            'medical_imgs' => 'required_if:product_type,2|json|max:3000',
            'schedule_date' => 'required_if:product_type,3|date',
            'time_period_id' => 'required_if:product_type,3|integer',
            'organization_id' => 'required_if:product_type,3|integer'
        ]);
        $user = $this->user;

        $discount_amount = 0;
        if (!empty($req['user_coupon_id'])) {
            //计算优惠金额
            $discount_amount = UserCoupon::getDiscountAmount($req['user_coupon_id'], $user['id'], $req['total_amount'], $req['product_type']);
        }
        $payment_amount = $req['total_amount'] - $discount_amount;

        DB::beginTransaction();
        try {
            //保存订单数据
            $order = Order::create([
                'user_id' => $user['id'],
                'product_type' => $req['product_type'],
                'docter_id' => $req['docter_id'],
                'total_amount' => $req['total_amount'],
                'payment_amount' => $payment_amount,
                'discount_amount' => $discount_amount,
            ]);
            $order_sn = build_sn($order['id']);
            Order::where('id', $order['id'])->update(['order_sn' => $order_sn]);
            //保存订单患者信息
            $addPatient = Patient::select(['name', 'sex', 'avatar', 'birthday', 'relationship', 'info', 'card_type', 'card_number'])->where('id', $req['patient_id'])->first()->toArray();
            $addPatient['order_id'] = $order['id'];
            $addPatient['patient_id'] = $req['patient_id'];
            if ($req['product_type'] == 1) {
                $addPatient['phone'] = $req['phone'];
                $addPatient['phone_minutes'] = $req['phone_minutes'];
            }
            elseif ($req['product_type'] == 2) {
                $addPatient['symptoms'] = $req['symptoms'];
                $addPatient['medical_imgs'] = $req['medical_imgs'];
            }
            elseif ($req['product_type'] == 3) {
                $addPatient['organization_id'] = $req['organization_id'];
                $addPatient['time_period_id'] = $req['time_period_id'];
                $timePeriod = TimePeriod::where('id', $req['time_period_id'])->first();
                $addPatient['appoint_start_time'] = strtotime($req['schedule_date'].' '.$timePeriod['start_time_period'].':00');
                $addPatient['appoint_end_time'] = strtotime($req['schedule_date'].' '.$timePeriod['end_time_period'].':00');
            }
            OrderPatient::create($addPatient);
            //生成支付交易单
            $trade_sn = build_sn($order['id'], 3, 'T');
            $payBody = '超级宝妈-'.config('config.product_type_map')[$req['product_type']];
            Payment::create([
                'user_id' => $user['id'],
                'order_id' => $order['id'],
                'trade_sn' => $trade_sn,
                'amount' => $payment_amount,
                'remark' => $payBody,
            ]);
            //请求支付
            $payment = Factory::payment(config('config.wechat_pay'));
            $result = $payment->order->unify([
                'body' => $payBody,
                'out_trade_no' => $trade_sn,
                'total_fee' => $payment_amount,
                'trade_type' => 'JSAPI',
                'openid' => $user['openid'],
            ]);

            if (empty($result['prepay_id'])) {
                $errorMsg = !empty($result['err_code_des']) ? $result['err_code_des'] : $result['return_msg'];
                return out(null, 702, $errorMsg);
            }

            $config = $payment->jssdk->bridgeConfig($result['prepay_id'], false);

            DB::commit();
        } catch (\Exception $e) {
            DB::rollBack();
            return out(null, 500, '下单失败，请稍后重试', $e->getMessage());
        }

        return out($config);
    }
}