RWACha-API/application/api/controller/Order.php

<?php

namespace app\api\controller;

use app\common\controller\Api;
use app\common\model\ProductTransfer;
use app\common\model\ProductOrder;
use app\common\model\ProductPopular;
use app\common\model\ProductLists;
use app\common\model\LedgerWalletModel;
use app\common\model\UserBalanceLog;
use app\common\model\UserArea;
use app\common\model\UserModel;
use app\common\model\UserPathModel;
use Exception;
use fast\MembershipLevel;
use think\Db;
use think\Env;

/**
 * 服务器相关接口
 */
class Order extends Api
{

    /**
     * 创建订单
     */
    public function create(ProductPopular $productPopular, ProductOrder $productOrder, ProductLists $productLists)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Order');
        if(!$validate->scene('add')->check($params)) $this->error($validate->getError());
        
        $order_info = $productPopular->where('id', $params['order_id'])->find();
        if(empty($order_info)) $this->error( __("参数有误，无可用产品"));
        $order_data['order_id']  = $params['order_id'];
        $order_data['product_id']= $params['product_id'];
        $order_data['price']     = $order_info['price'];
        $order_data['type_id']   = $productOrder::Popular;
        $order_data['area_id']   = $params['area_id'];
        $order_data['user_id']   = $this->auth->id;
        $order_data['status']    = $productOrder::Paid;
        $order_data['num']       = 1;
        // 启动事务
        Db::startTrans();
        try {

            $amount   =   bcsub($this->auth->balance, $this->auth->frozen_amount, 2);
            if(bccomp($order_info['price'], $amount, 2) > 0) throw new Exception(__("余额不足请前往充值"));
            if($order_info->stock == 0 || time() >= $order_info->end_time) throw new Exception(__("抢购已结束"));
            // 生成订单
            $order =$productOrder->create($order_data);

            //修改区域状态
            $productLists->where('id', $order_data['area_id'])->update(['status'=> $productLists::STOP]);

            //余额记录
            UserBalanceLog::changeWalletAccount($this->auth->id, UserBalanceLog::Popular, $order_info['price'], 
            $this->auth->balance, bcsub($this->auth->balance, $order_info['price'], 6), $order->id);
            //扣除库存
            if($order_info->stock == 1 || time() >= $order_info->end_time) $order_info->status= $productPopular::STOP;
            $order_info->num  += 1;
            $order_info->stock-= 1;
            $order_info->save();
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
            Db::rollback();
            $this->error( $e->getMessage());
        }
        $this->success('订单创建成功');
    }

    
    /**
     * 提货订单
     */
    public function pickupOrder(UserArea $userArea, ProductOrder $productOrder, ProductLists $productLists)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Order');
        if(!$validate->scene('pick')->check($params)) $this->error($validate->getError());
        
        $order_info = $productOrder->where('id', $params['order_id'])->find();
        if(empty($order_info)) $this->error( __("参数有误，无可用产品"));
        $order_data['name']     = $params['name'];
        $order_data['phone']    = $params['phone'];
        $order_data['address']   = $params['address'];
        $order_data['order_id']   = $params['order_id'];
        // 启动事务
        Db::startTrans();
        try {
            // 生成订单
            $userArea->create($order_data);

            $order_info->status= $productOrder::Shipped; 
            $order_info->save();
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
            Db::rollback();
            $this->error( $e->getMessage());
        }
        $this->success('订单创建成功');
    }


    /**
     * 订单转让
     * @return void
     */
    public function transfer(ProductOrder $productOrder, ProductTransfer $productTransfer)
    {   
        $params = $this->request->post();
        $validate = \think\Loader::validate('Order');
        if(!$validate->scene('tran')->check($params)) $this->error($validate->getError());
        //启动事务
        Db::startTrans();
        try {

            $order_info = $productOrder->where('id', $params['order_id'])->where('status', $productOrder::Paid)->find();
            if(empty($order_info)) throw new Exception(__("订单不存在"));

            $fee = getConfig('transfer_fee');
            $feeAmount =   bcsub($params['price'] ,  bcmul($params['price'], $fee, 2), 2) ;
            $order_data['user_id']    = $this->auth->id;
            $order_data['price']      = $params['price'];
            $order_data['product_id'] = $order_info['product_id'];
            $order_data['fees']       = $feeAmount;
            $order_data['area_id']    = $order_info['area_id'];
            $order_data['order_id']   = $params['order_id']; //订单ID
            
            // 生成订单
            $productTransfer->create($order_data);
           
            //修改状态
            $order_info->status = $productOrder::Transferred;
            $order_info->save();
            Db::commit();
        } catch (Exception $e) {
            Db::rollback();
            $this->error('提交失败:' . $e->getMessage());
        }
        $this->success('订单创建成功');
    }

    /**
     * 转让订单购买
     * @return void
     */
    public function transferOrder(ProductOrder $productOrder, ProductTransfer $productTransfer)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Order');
        if(!$validate->scene('out')->check($params)) $this->error($validate->getError());
        //启动事务
        Db::startTrans();
        try {

            $order_info = $productTransfer->where('id', $params['order_id'])->where('status', $productTransfer::NORMAL)->find();
            if(empty($order_info)) throw new Exception(__("订单不存在"));
            if(bccomp($order_info['price'], $this->auth->balance, 2) > 0) throw new Exception(__("余额不足请前往充值"));

            $order_data['order_id']  = $params['order_id'];
            $order_data['product_id']= $order_info['product_id'];
            $order_data['type_id']   = $productOrder::Transfer;
            $order_data['status']    = $productOrder::Paid;
            $order_data['area_id']   = $order_info['area_id'];
            $order_data['user_id']   = $this->auth->id;
            
            // 生成订单
            $order = $productOrder->create($order_data);
            //扣除余额记录 
            $balance = bcsub($this->auth->balance, $this->auth->frozen_amount, 2);
            UserBalanceLog::changeWalletAccount(
                $this->auth->id, UserBalanceLog::Payment, 
                $order_info['price'], $balance,
                bcsub($balance, $order_info['price'], 2),
                $order->id, '-');
            //增加转让人余额
            $amount   =   bcsub($order_info['price'], $order_info['fees'], 2);
            $atBalance= UserModel::getUserAmount($order_info['user_id']);
            UserBalanceLog::changeWalletAccount(
                    $order_data['user_id'], UserBalanceLog::Receive, 
                    $amount, 
                    $atBalance,
                    bcadd($atBalance, $amount, 2),
                    $order->id);

            //修改原订单状态
            $productOrder->where('id', $params['order_id'])->setField('status', $productOrder::Complete);    
            //修改状态
            $order_info->status = $productTransfer::STOP;
            $order_info->save();
            Db::commit();
        } catch (Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        $this->success('订单创建成功');
    }

    //取消转让 
    public function cancel(ProductOrder $productOrder, ProductTransfer $productTransfer)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Order');
        if(!$validate->scene('out')->check($params)) $this->error($validate->getError());

        // 启动事务
        Db::startTrans();
        try {
            $order_info = $productOrder->where('id', $params['order_id'])->find();
            if(empty($order_info)) throw new Exception( __("参数有误，无可用产品"));

            //转让列表取消
            $productTransfer::where('order_id',$params['order_id'])->setField('status', $productTransfer::STOP);
            $order_info->status= $productOrder::Paid; 
            $order_info->save();
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
            Db::rollback();
            $this->error( $e->getMessage());
        }
        $this->success('订单创建成功');
    }
}