120 lines
3.7 KiB
PHP
120 lines
3.7 KiB
PHP
<?php
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namespace app\api\logic;
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use app\api\model\OrderPoints;
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use think\Db;
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use think\Exception;
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use app\common\server\UrlServer;
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use app\api\logic\UserLogic;
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class PointsLogic
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{
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//获取积分的分类
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public static function classify(){
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return Db::name('printer_type')->where('del',0)->select();
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}
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//获取到积分的商品列表
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public static function goodslist($clsssId){
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$where=[
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'brand_id'=>$clsssId,
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'del'=>0
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];
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$goods = Db::name('printer_goods')
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->where($where)
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->select();
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foreach($goods as &$item){
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$item['images']=UrlServer::getFileUrl($item['images']);
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}
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return $goods;
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}
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//根据ID获取到积分商品
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public static function goodsIofo($id){
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$data=Db::name('printer_goods')->where('id',$id)->find();
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$data['images']=UrlServer::getFileUrl($data['images']);
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return $data;
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}
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/**
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* 积分商品下单（扣减积分并生成订单）
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* @param array $data ['id','name','price','user_id','number'(可选)]
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* @return array
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*/
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public static function goodsSub($data){
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if(empty($data) || !is_array($data)){
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return ['code'=>0,'msg'=>'参数错误'];
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}
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// 基础校验
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if(empty($data['id']) || empty($data['user_id']) || !isset($data['price'])){
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return ['code'=>0,'msg'=>'参数不完整'];
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}
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$number = isset($data['number']) && intval($data['number'])>0 ? intval($data['number']) : 1;
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$price = floatval($data['price']);
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$needIntegral = $price * $number;
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Db::startTrans();
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try{
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// 加锁读取用户积分
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$user = Db::name('user')->where('id',$data['user_id'])->lock(true)->find();
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if(!$user){
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throw new Exception('用户不存在');
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}
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if($user['user_integral'] < $needIntegral){
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throw new Exception('积分不足');
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}
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$orderData = [
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'name' => $data['name'] ?? '',
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'goods_id' => $data['id'],
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'price' => $price,
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'number' => $number,
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'user_id' => $data['user_id'],
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'create_time' => time(),
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'address_id' => $data['addressId'],
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'state' => 1
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];
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$insert = Db::name('printer_order')->insert($orderData);
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if(!$insert){
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throw new Exception('下单失败');
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}
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// 扣减积分
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Db::name('user')
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->where('id',$data['user_id'])
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->setDec('user_integral', $needIntegral);
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Db::commit();
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return ['code'=>1,'msg'=>'兑换成功'];
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}catch (\Exception $e){
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Db::rollback();
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return ['code'=>0,'msg'=>$e->getMessage()];
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}
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}
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//获取积分订单
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public static function orderList($userId, $state = null)
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{
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$order = new OrderPoints();
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$query = $order->with([
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'address' => function($query){
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$query->where('del',0)->field('id,address');
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},
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'pointsGoods' => function($query){
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$query->where('del',0)->field('id,images');
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}
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])->where('user_id', $userId);
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// 如果传了state参数，才添加state条件，否则查询全部
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if($state !== null && $state !== ''){
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$query = $query->where('state', $state);
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}
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$orderArray = $query->paginate(10);
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return $orderArray;
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}
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} |