528 lines
21 KiB
PHP
528 lines
21 KiB
PHP
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<?php
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// +----------------------------------------------------------------------
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// | likeshop开源商城系统
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// +----------------------------------------------------------------------
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// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
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// | gitee下载：https://gitee.com/likeshop_gitee
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// | github下载：https://github.com/likeshop-github
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// | 访问官网：https://www.likeshop.cn
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// | 访问社区：https://home.likeshop.cn
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// | 访问手册：http://doc.likeshop.cn
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// | 微信公众号：likeshop技术社区
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// | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用，未经许可不能去除前后端官方版权标识
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// | likeshop系列产品收费版本务必购买商业授权，购买去版权授权后，方可去除前后端官方版权标识
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// | 禁止对系统程序代码以任何目的，任何形式的再发布
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// | likeshop团队版权所有并拥有最终解释权
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// +----------------------------------------------------------------------
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// | author: likeshop.cn.team
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// +----------------------------------------------------------------------
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namespace app\api\logic;
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use app\common\logic\LogicBase;
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use app\common\model\BargainLaunch;
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use app\common\server\ConfigServer;
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use app\common\server\UrlServer;
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use think\Db;
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use think\Exception;
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class BargainLogic extends LogicBase {
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/**
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* Notes:获取砍价成功人数
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* @return float|string
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* @author: 2021/2/23 16:13
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*/
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public static function barginNumber()
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{
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return Db::name('bargain_launch')
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->where(['status'=>1])
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->count();
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}
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/**
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* Notes:砍价列表
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* @param $page int 分页
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* @param $size int 分页条数
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\exception\DbException
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* @author: 2021/2/23 16:09
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*/
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public static function lists($page,$size){
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$now = time();
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$where[] = ['B.del','=',0];
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$where[] = ['B.status','=',1];
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$where[] = ['activity_start_time','<',$now];
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$where[] = ['activity_end_time','>',$now];
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$bargain_count = Db::name('bargain')->alias('B')
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->join('Goods G','B.goods_id = G.id')
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->where($where)
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->count();
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$bargain_list = Db::name('bargain')->alias('B')
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->join('Goods G','B.goods_id = G.id')
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->where($where)
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->page($page,$size)
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->order('id desc')
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->field('B.id,B.bargain_min_price as activity_price,G.id as goods_id,G.name,G.image,G.min_price as price')
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->withAttr('image',function ($value,$data){
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return UrlServer::getFileUrl($value);
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})
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->select();
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$more = is_more($bargain_count,$page,$size); //是否有下一页
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$data = [
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'list' => $bargain_list,
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'page_no' => $page,
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'page_size' => $size,
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'count' => $bargain_count,
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'more' => $more
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];
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return $data;
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}
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/**
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* Notes:砍价活动详情
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* @param $bargain_id int 砍价活动id
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* @return array|\PDOStatement|string|\think\Model|null
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\exception\DbException
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* @author: 2021/2/23 18:02
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*/
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public static function detail($bargain_id){
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$detail = Db::name('bargain')->alias('B')
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->join('goods G','B.goods_id = G.id')
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->where(['B.id'=>$bargain_id])
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->field('B.id,B.bargain_min_price as activity_price,G.id as goods_id,G.name,G.image,G.min_price as price')
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->withAttr('image',function ($value,$data){
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return UrlServer::getFileUrl($value);
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})
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->find();
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$detail['goods_item'] = Db::name('bargain_item')->alias('BI')
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->join('goods_item GI','BI.item_id = GI.id')
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->where(['BI.goods_id'=>$detail['goods_id']])
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->field('BI.floor_price as activity_price,GI.id,GI.image,GI.price,GI.spec_value_ids,GI.spec_value_str')
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->select();
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$spec_list = Db::name('goods_spec')
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->where(['goods_id'=>$detail['goods_id']])
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->column('*','id');
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$spec_value_list = Db::name('goods_spec_value')
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->where(['goods_id'=>$detail['goods_id']])
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->select();
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foreach ($spec_value_list as $spec_value){
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if(isset($spec_list[$spec_value['spec_id']])){
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$spec_list[$spec_value['spec_id']]['spec_value'][] = $spec_value;
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}
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}
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foreach ($detail['goods_item'] as $key => $goods_item){
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if(empty($goods_item['image'])){
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$goods_item['image'] = $detail['image'];
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}
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$detail['goods_item'][$key]['image'] = UrlServer::getFileUrl($goods_item['image']);
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}
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$detail['goods_spec'] = array_values($spec_list);
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//前端渲染状态
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$detail['status'] = -1;
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//提示字段
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$detail['bargain_tips'] = '您正在发起砍价';
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$detail['simple_tips'] = '邀请好友帮忙砍价，砍至'.$detail['activity_price'].'即可发货';
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return $detail;
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}
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/**
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* Notes:发起砍价
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* @param $post_data array 活动id、规格id
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* @param $user_id int 用户id
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* @return int|string
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\exception\DbException
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* @author: 2021/2/24 11:29
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*/
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public static function sponsor($post_data,$user_id){
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Db::startTrans();
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try {
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//商品规格信息
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$goods_item = Db::name('goods_item')->alias('GI')
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->join('goods G','G.id = GI.goods_id')
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->where(['GI.id'=>$post_data['item_id']])
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->field('G.name,G.image as goods_iamge,GI.id as item_id,GI.image,GI.spec_value_str,GI.price')
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->find();
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$bargain = Db::name('bargain')->alias('B')
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->join('bargain_item BI','B.id = BI.bargain_id')
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->where(['B.id'=>$post_data['bargain_id'],'BI.item_id'=>$post_data['item_id'],'B.del'=>0])
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->field('B.*,BI.floor_price,BI.item_id,BI.first_knife_price')
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->find();
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$now = time();
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//砍到价格
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$current_price = $goods_item['price'] - $bargain['first_knife_price'];
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$status = BargainLaunch::conductStatus;
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$payment_limit_time = 0;
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$bargain_end_time = 0;
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//首刀砍掉后小于零，或低于底价
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if($current_price <= $bargain['floor_price'] || $current_price <= 0){
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//标记砍价成功
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$status = BargainLaunch::successStatus;
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//砍价的价格低于低价、重新计算每刀价格
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if($current_price < $bargain['floor_price']){
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$current_price = $bargain['floor_price'];
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$bargain['first_knife_price'] = $goods_item['price'] - $current_price;
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}
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//砍价成功后的付款时间（秒）
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$payment_limit_time = ConfigServer::get('bargain', 'payment_limit_time', 0) * 60;
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if($payment_limit_time > 0){
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$payment_limit_time = $now + $payment_limit_time;
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}
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$bargain_end_time = $now;
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}
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$diff_price = round($current_price - $bargain['floor_price'],2);
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$bargain_launch = [
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'bargain_id' => $bargain['id'],
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'goods_id' => $bargain['goods_id'],
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'user_id' => $user_id,
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'order_id' => '',
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'goods_snap' => json_encode($goods_item), //规格信息
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'bargain_snap' => json_encode($bargain), //砍价信息
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'help_number' => 0, //助力次数
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'bargain_price' => $bargain['floor_price'], //商品活动低价
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'current_price' => $current_price, //当前砍到的价格
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'launch_start_time' => $now, //砍价发起时间
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'launch_end_time' => $now + $bargain['time_limit'] * 3600,//砍价结束时间
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'bargain_end_time' => $bargain_end_time, //最后的砍价时间
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'payment_limit_time' => $payment_limit_time, //最后的付款时间
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'status' => $status, //当前砍价状态
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];
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//写入发起砍价表
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$bargain_launch_id = Db::name('bargain_launch')
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->insertGetId($bargain_launch);
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$bargain_knife = [
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'bargain_id' => $bargain['id'],
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'launch_id' => $bargain_launch_id,
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'user_id' => $user_id,
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'surplus_price' => $current_price,
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'help_price' => $bargain['first_knife_price'],
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'help_time' => $now
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];
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//写入砍价记录表
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Db::name('bargain_knife')
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->insert($bargain_knife);
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//砍价进度条
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$progress = round($bargain['floor_price'] / $current_price,2);
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Db::commit();
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return data_success('发起砍价成功',['id'=>$bargain_launch_id,'knife_price'=>$bargain['first_knife_price'],'diff_price'=>$diff_price,'progress'=>$progress]);
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}catch (Exception $e) {
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Db::rollback();
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return data_error('发起砍价失败：'.$e->getMessage(),'');
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}
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}
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/**
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* Notes:助力
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* @param $id int 砍价订单id
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* @param $user_id int 用户id
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* @return array|bool
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* @author: 2021/2/25 19:08
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*/
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public static function knife($id,$user_id){
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Db::startTrans();
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try {
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$now = time();
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$bargain_launch = new BargainLaunch();
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$bargain_launch = $bargain_launch
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->where(['id' => $id])
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->find();
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$bargain_snap = $bargain_launch['bargain_snap'];
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//每刀随机金额
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if (1 == $bargain_snap['knife_type']) {
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$knife__price_array = explode(',', $bargain_launch['bargain_snap']['knife_price']);
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$knife_price = round(random_float(array_pop($knife__price_array), array_pop($knife__price_array)), 2);
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} else { //每刀固定金额
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$knife_price = $bargain_launch['bargain_snap']['knife_price'];
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}
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//商品的低价
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$low_price = $bargain_launch['bargain_price'];
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//砍价后的金额
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$knife_after_price = $bargain_launch['current_price'] - $knife_price;
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$status = BargainLaunch::conductStatus; //砍价状态
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$payment_limit_time = 0; //砍价成功后的付款时间
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$bargain_end_time = 0; //最后的砍刀时间
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//如果砍价后低于低价，按当前的价格-低价来得到每刀金额,并标记砍价成功
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if ($knife_after_price <= $low_price) {
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//砍价成功后的付款时间（秒）
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$payment_limit_time = ConfigServer::get('bargain', 'payment_limit_time', 0) * 60;
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$status = BargainLaunch::successStatus;
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if($payment_limit_time > 0){
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$payment_limit_time = $now + $payment_limit_time;
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}
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$bargain_end_time = $now;
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$knife_price = round($bargain_launch['current_price'] - $low_price,2); //砍价的金额 = 当前砍到的价格 - 低价
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$knife_after_price = $low_price; //砍价后更新为低价
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}
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//写入砍价助力表
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$knife_data = [
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'bargain_id' => $bargain_snap['id'], //活动id
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'launch_id' => $bargain_launch['id'], //订单id
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'user_id' => $user_id, //用户id
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'surplus_price' => $knife_after_price, //助力后的价格
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'help_price' => $knife_price, //助力的金额
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'help_time' => $now,
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];
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Db::name('bargain_knife')->insert($knife_data);
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//更新砍价进度
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$bargain_launch->help_number = ['inc', 1]; //助力次数+1
|
|||
|
|
$bargain_launch->current_price = $knife_after_price; //助力后的价格
|
|||
|
|
$bargain_launch->status = $status; //砍价状态
|
|||
|
|
|
|||
|
|
//砍价成功 限制多少时间内付款
|
|||
|
|
if($payment_limit_time > 0 ){
|
|||
|
|
$bargain_launch->payment_limit_time = $payment_limit_time;
|
|||
|
|
}
|
|||
|
|
if($bargain_end_time > 0){
|
|||
|
|
$bargain_launch->bargain_end_time = $bargain_end_time;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$bargain_launch->save();
|
|||
|
|
|
|||
|
|
//进度条、剩余差价
|
|||
|
|
$progress = round($bargain_snap['floor_price'] / $knife_after_price,2);
|
|||
|
|
$diff_price = round($knife_after_price - $bargain_snap['floor_price'],2);
|
|||
|
|
|
|||
|
|
Db::commit();
|
|||
|
|
|
|||
|
|
return data_success('助力成功',['status'=>$status,'knife_price'=>$knife_price,'diff_price'=>$diff_price,'progress'=>$progress]);
|
|||
|
|
|
|||
|
|
|
|||
|
|
}catch (Exception $e) {
|
|||
|
|
Db::rollback();
|
|||
|
|
return data_error('助力失败：'.$e->getMessage(),'');
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* Notes:砍价订单
|
|||
|
|
* @param $type int 类型
|
|||
|
|
* @param $user_id int 用户id
|
|||
|
|
* @param $page int 分页
|
|||
|
|
* @param $size int 分页条数
|
|||
|
|
* @author: 2021/2/24 16:08
|
|||
|
|
*/
|
|||
|
|
public static function orderList($type,$user_id,$page,$size){
|
|||
|
|
$where[] = ['user_id','=',$user_id];
|
|||
|
|
if('-1' != $type){
|
|||
|
|
$where[] = ['status','=',$type];
|
|||
|
|
}
|
|||
|
|
$bargain_launch = new BargainLaunch();
|
|||
|
|
|
|||
|
|
$order_count = $bargain_launch
|
|||
|
|
->where($where)
|
|||
|
|
->count();
|
|||
|
|
|
|||
|
|
$order_list = $bargain_launch
|
|||
|
|
->where($where)
|
|||
|
|
->page($page,$size)
|
|||
|
|
->order('id desc')
|
|||
|
|
->append(['item_id','btn_tips','bargain_tips','image','name','price','spec_value_str','status_text','create_time'])
|
|||
|
|
->visible(['id','bargain_id','goods_id','item_id','image','name','price','spec_value_str','order_id','current_price','buy_btn','bargain_btn','pay_btn','status_text','create_time'])
|
|||
|
|
->select();
|
|||
|
|
|
|||
|
|
$more = is_more($order_count,$page,$size); //是否有下一页
|
|||
|
|
|
|||
|
|
$data = [
|
|||
|
|
'list' => $order_list,
|
|||
|
|
'page_no' => $page,
|
|||
|
|
'page_size' => $size,
|
|||
|
|
'count' => $order_count,
|
|||
|
|
'more' => $more
|
|||
|
|
];
|
|||
|
|
|
|||
|
|
return $data;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Notes:砍价详情页
|
|||
|
|
* @param $id int 订单id
|
|||
|
|
* @param $user_id int 用户id
|
|||
|
|
* @author: 2021/2/24 18:07
|
|||
|
|
*/
|
|||
|
|
public static function bargainDetail($id,$user_id){
|
|||
|
|
$bargain_launch = new BargainLaunch();
|
|||
|
|
$bargain_launch = $bargain_launch
|
|||
|
|
->where(['id'=>$id])
|
|||
|
|
->with('bargain_knife.user')
|
|||
|
|
->append(['item_id','image','name','price','spec_value_str','over_time','diff_price','activity_price','progress','knife_list','knife_price','share_titles','share_intros'])
|
|||
|
|
->find();
|
|||
|
|
//砍价快照
|
|||
|
|
$bargain_snap = $bargain_launch['bargain_snap'];
|
|||
|
|
|
|||
|
|
$bargain_launch = $bargain_launch->visible(['id','bargain_id','user_id','goods_id','item_id','order_id','name','image','price','spec_value_str','current_price','floor_price','diff_price','progress','knife_list','status','knife_price','share_titles','share_intros','payment_limit_time'])
|
|||
|
|
->hidden(['bargain_knife'])->toArray();
|
|||
|
|
|
|||
|
|
|
|||
|
|
$user_info = current($bargain_launch['knife_list']);
|
|||
|
|
$now = time();
|
|||
|
|
|
|||
|
|
//好友点击分享行为按钮
|
|||
|
|
$sponsor_btn = 0; //我也要砍价按钮
|
|||
|
|
$knife_btn = 0; //帮忙砍一刀按钮
|
|||
|
|
//查看自己砍价行为按钮
|
|||
|
|
$direct_buy_btn = 0; //直接购买按钮
|
|||
|
|
$buy_btn = 0; //立即购买按钮
|
|||
|
|
$invite_btn = 0; //邀请好友按钮
|
|||
|
|
$order_btn = 0; //查看订单按钮
|
|||
|
|
//提示语，通用
|
|||
|
|
$bargain_tips = ''; //砍价提示，最上方提示
|
|||
|
|
$simple_tips = ''; //提示，砍价提示下方提示
|
|||
|
|
$status_tips = ''; //状态提示
|
|||
|
|
//分享用户的头像
|
|||
|
|
$bargain_launch['share_avatar'] = '';
|
|||
|
|
|
|||
|
|
//显示按钮：查看自己的砍价、好友点击分享进来
|
|||
|
|
if($bargain_launch['user_id'] != $user_id){ //好友点击分享进来
|
|||
|
|
$bargain_launch['status'] = 5;//标记为好友邀请进来的
|
|||
|
|
//我也要砍价按钮
|
|||
|
|
$sponsor_btn = 1;
|
|||
|
|
$bargain_tips = '来自'.$user_info['nickname'].'的分享';
|
|||
|
|
$bargain_launch['share_avatar'] = $user_info['avatar'];
|
|||
|
|
$simple_tips = '谢谢您的助力，动动手指帮我砍一刀';
|
|||
|
|
|
|||
|
|
if($bargain_launch['over_time'] <= $now || 1 == $bargain_launch['status'] || 2 == $bargain_launch['status']){
|
|||
|
|
$status_tips = '砍价已结束，去看看其他商品吧~';
|
|||
|
|
}else{
|
|||
|
|
|
|||
|
|
$bargain_knife = Db::name('bargain_knife')->where(['launch_id'=>$bargain_launch['id'],'user_id'=>$user_id])->find();
|
|||
|
|
|
|||
|
|
if(empty($bargain_knife)){
|
|||
|
|
//帮忙砍一刀按钮
|
|||
|
|
$knife_btn = 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
}else{//自己的砍价
|
|||
|
|
|
|||
|
|
$simple_tips = '邀请好友帮砍价，砍至'.$bargain_snap['floor_price'].'即可发货';
|
|||
|
|
//砍价进行中
|
|||
|
|
if(0 == $bargain_launch['status'] && $bargain_launch['over_time'] > $now){
|
|||
|
|
//邀请好友按钮
|
|||
|
|
$invite_btn = 1;
|
|||
|
|
$bargain_tips = '砍价中';
|
|||
|
|
if(2 == $bargain_snap['payment_where']){
|
|||
|
|
//显示直接购买按钮
|
|||
|
|
$direct_buy_btn = 1;
|
|||
|
|
}
|
|||
|
|
$status_tips = '砍价中';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//砍价成功
|
|||
|
|
if(1 == $bargain_launch['status'] || (2 == $bargain_snap['payment_where'] && $bargain_launch['over_time'] <= $now)){
|
|||
|
|
$bargain_tips = '砍价成功';
|
|||
|
|
$status_tips = '恭喜您，砍价成功';
|
|||
|
|
//砍价成功，没有超过付款时间,且没有下单的，显示购买按钮
|
|||
|
|
$buy_btn = 1;
|
|||
|
|
if($bargain_launch['order_id'] || ($bargain_launch['payment_limit_time'] && $bargain_launch['payment_limit_time'] < $now)){
|
|||
|
|
|
|||
|
|
$buy_btn = 0;
|
|||
|
|
if($bargain_launch['payment_limit_time'] && $bargain_launch['payment_limit_time'] < $now){
|
|||
|
|
$status_tips = '已超过下单时间，无法下单';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//已下单
|
|||
|
|
if($bargain_launch['order_id']){
|
|||
|
|
$order_btn = 1;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//砍价失败
|
|||
|
|
if(($bargain_launch['over_time'] <= $now && 1 != $bargain_launch['status'] && 2 != $bargain_snap['payment_where']) || 2 == $bargain_launch['status']){
|
|||
|
|
$bargain_tips = '砍价失败';
|
|||
|
|
$status_tips = '非常遗憾，砍价失败';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
$bargain_launch['sponsor_btn'] = $sponsor_btn;
|
|||
|
|
$bargain_launch['knife_btn'] = $knife_btn;
|
|||
|
|
$bargain_launch['direct_buy_btn'] = $direct_buy_btn;
|
|||
|
|
$bargain_launch['buy_btn'] = $buy_btn;
|
|||
|
|
$bargain_launch['invite_btn'] = $invite_btn;
|
|||
|
|
$bargain_launch['order_btn'] = $order_btn;
|
|||
|
|
$bargain_launch['bargain_tips'] = $bargain_tips;
|
|||
|
|
$bargain_launch['simple_tips'] = $simple_tips;
|
|||
|
|
$bargain_launch['status_tips'] = $status_tips;
|
|||
|
|
|
|||
|
|
return $bargain_launch;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Notes:关闭砍价订单
|
|||
|
|
* @param $id int 活动订单id
|
|||
|
|
* @return bool
|
|||
|
|
* @author: 2021/2/26 16:36
|
|||
|
|
*/
|
|||
|
|
public static function closeBargain($id){
|
|||
|
|
$bargain_launch = new BargainLaunch();
|
|||
|
|
$bargain_launch = $bargain_launch
|
|||
|
|
->where(['id'=>$id])
|
|||
|
|
->find();
|
|||
|
|
|
|||
|
|
//标记砍价结束
|
|||
|
|
if($bargain_launch['launch_end_time'] < time() && 0 == $bargain_launch['status']){
|
|||
|
|
|
|||
|
|
//任意金额购买标记成功
|
|||
|
|
if(2 == $bargain_launch['bargain_snap']['payment_where']){
|
|||
|
|
$status = 1;
|
|||
|
|
}else{//砍到低价
|
|||
|
|
$status = 2;
|
|||
|
|
if($bargain_launch['bargain_price'] > $bargain_launch['current_price']){
|
|||
|
|
$status = 1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$bargain_launch->status = $status;
|
|||
|
|
$bargain_launch->save();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
}
|