<?php
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namespace app\common\model\plus\bargain;
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use app\common\model\BaseModel;
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use app\common\library\helper;
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/**
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* 砍价任务模型
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* Class Task
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* @package app\common\model\bargain
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*/
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class Task extends BaseModel
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{
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protected $name = 'bargain_task';
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protected $pk = 'bargain_task_id';
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/**
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* 追加的字段
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* @var array $append
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*/
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protected $append = [
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'is_end', // 是否已结束
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'surplus_money', // 剩余砍价金额
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'bargain_rate', // 砍价进度百分比(0-100)
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'end_time_text', //砍价结束时间格式化
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];
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/**
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* 关联用户表
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* @return \think\model\relation\BelongsTo
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*/
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public function user()
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{
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return $this->BelongsTo('app\\common\\model\\user\\User');
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}
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/**
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*关联活动
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*/
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public function active()
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{
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return $this->belongsTo('app\\common\\model\\plus\\bargain\\Active', 'bargain_activity_id', 'bargain_activity_id');
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}
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/**
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* 关联文件库
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*/
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public function file()
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{
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return $this->belongsTo('app\\common\\model\\file\\UploadFile', 'image_id', 'file_id')
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->bind(['file_path', 'file_name', 'file_url']);
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}
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/**
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* 有效期-开始时间
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* @param $value
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* @return array
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*/
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public function getEndTimeTextAttr($value, $data)
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{
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return date('Y-m-d H:i:s', $data['end_time']);
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}
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/**
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* 获取器：活动是否已结束
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* @param $value
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* @param $data
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* @return false|string
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*/
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public function getIsEndAttr($value, $data)
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{
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return $value ?: $data['end_time'] <= time();
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}
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/**
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* 获取器：剩余砍价金额
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* @param $value
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* @param $data
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* @return false|string
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*/
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public function getSurplusMoneyAttr($value, $data)
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{
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$maxCutMoney = helper::bcsub($data['product_price'], $data['bargain_price']);
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return $value ?: helper::bcsub($maxCutMoney, $data['cut_money']);
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}
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/**
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* 获取器：砍价进度百分比
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* @param $value
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* @param $data
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* @return false|string
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*/
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public function getBargainRateAttr($value, $data)
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{
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$maxCutMoney = helper::bcsub($data['product_price'], $data['bargain_price']);
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$rate = helper::bcdiv($data['cut_money'], $maxCutMoney) * 100;
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return $value ?: helper::number2($rate);
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}
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/**
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* 获取器：砍价金额区间
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* @param $value
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* @return mixed
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*/
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public function getSectionAttr($value)
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{
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return json_decode($value, true);
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}
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/**
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* 修改器：砍价金额区间
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* @param $value
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* @return string
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*/
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public function setSectionAttr($value)
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{
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return json_encode($value);
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}
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/**
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* 砍价任务详情
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*/
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public static function detail($bargain_task_id, $with = ['user'])
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{
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return (new static())->with($with)->find($bargain_task_id);
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}
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}
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