www.gusucode.com > iWebshop开源PHP商城系统 v2.8源码程序 > iwebshop/classes/prorule.php
<?php
/**
* @copyright (c) 2011 jooyea.cn
* @file ProRule.php
* @brief 促销规则处理类
* @author chendeshan
* @date 2011-03-10
* @version 0.6
*/
/**
* @class ProRule
* @brief 促销活动规则奖励
奖励方式分为 (1)现金奖励,(2)赠品奖励。
(1)现金奖励就是直接减少订单总额中的金钱数
(2)赠品奖励就是订单支持成功后，系统自动发送的赠品
*/
class ProRule
{
//商品总金额
private $sum;
//用户组
private $user_group = null;
//现金促销规则奖励仅一次 true:1次;false:多次不限
public $isCashOnce = true;
//赠品促销规则奖励仅一次 true:1次;false:多次不限
public $isGiftOnce = false;
//现金促销规则奖励方式 1减金额 2奖励折扣
private $cash_award_type = array(1,2);
//赠品促销规则奖励方式 3赠送积分 4赠送代金券 5赠送赠品 6免运费 7赠送经验值
private $gift_award_type = array(3,4,5,6,7);
/**
* @brief 构造函数 初始化商品金额
* @param float $sum 商品金额
*/
public function __construct($sum)
{
//商品金额必须为数字
if(!is_numeric($sum))
{
IError::show(403,array('message'=>'order sum must a num'));
}
$this->sum = $sum;
}
/**
* @brief 设置用户组
* @param string 用户组
*/
public function setUserGroup($groupId)
{
$this->user_group = $groupId;
}
/**
* @brief 获取现金促销规则优惠后的金额
* @return float 优惠后金额
*/
public function getSum()
{
//获取现金奖励信息
$cashInfo = $this->getAwardInfo($this->cash_award_type,$this->isCashOnce);
if(!empty($cashInfo))
{
//执行现金奖励运算
return $this->cashAction($cashInfo);
}
else
{
return $this->sum;
}
}
/**
* @brief 进行赠品促销规则的奖励
* @param int $user_id 用户的ID值
*/
public function setAward($user_id)
{
//获取赠品奖励信息
$giftInfo = $this->getAwardInfo($this->gift_award_type,$this->isGiftOnce);
return $this->giftAction($giftInfo,$user_id);
}
/**
* @brief 获取促销规则的数据
* @return array plan:活动方案名称; info:具体促销信息;
*/
public function getInfo()
{
$explain = array();
$giftInfo = $this->getAwardInfo($this->gift_award_type,$this->isGiftOnce);
$cashInfo = $this->getAwardInfo($this->cash_award_type,$this->isCashOnce);
$allInfo = array_merge($cashInfo,$giftInfo);
foreach($allInfo as $key => $val)
{
$explain[$key]['plan'] = $val['name'];
$explain[$key]['info'] = $this->typeExplain($val['award_type'],$val['condition'],$val['award_value']);
}
return $explain;
}
/**
* @brief 奖励类型解释
* @param int 类型id值
* @param string 满足条件
* @param string 奖励数据
* @return string 类型说明
*/
private function typeExplain($awardType,$condition,$awardValue)
{
switch($awardType)
{
case "1":
{
return '购物满￥'.$condition.' 优惠￥'.$awardValue;
}
break;
case "2":
{
return '购物满￥'.$condition.' 优惠'.$awardValue.'%';
}
break;
case "3":
{
return '购物满￥'.$condition.' 增加'.$awardValue.'积分';
}
break;
case "4":
{
$ticketObj = new IModel('ticket');
$where = 'id = '.$awardValue;
$ticketRow = $ticketObj->getObj($where);
return '购物满￥'.$condition.' 立得￥'.$ticketRow['value'].'代金券';
}
break;
case "5":
{
return '购物满￥'.$condition.' 送赠品';
}
break;
case "6":
{
return '购物满￥'.$condition.' 免运费';
}
break;
case "7":
{
return '购物满￥'.$condition.' 立加'.$awardValue.'经验';
}
break;
default:
{
return null;
}
break;
}
}
/**
* @brief 是否减免订单的运费
* @return bool true:减免; false:不减免
*/
public function isFreeFreight()
{
$proList = $this->satisfyPromotion(6);
if(!empty($proList))
{
return true;
}
else
{
return false;
}
}
/**
* @brief 根据商品金额获取所满足的$award_type类别促销规则信息
* @param int $award_type 奖励类别 1减金额 2奖励折扣 3赠送积分 4赠送代金券 5赠送赠品 6免运费 7赠送经验
* @return array 促销规则信息
*/
private function satisfyPromotion($award_type = null)
{
$datetime = ITime::getDateTime();
$proObj = new IModel('promotion');
$where = '`condition` between 0 and '.$this->sum.' and type = 0 and is_close = 0 and start_time <= "'.$datetime.'" and end_time >= "'.$datetime.'"';
//奖励类别分析
if($award_type != null)
{
$where.=' and award_type in ('.$award_type.')';
}
//用户组
if($this->user_group != null)
{
$where.=' and (user_group = "all" or FIND_IN_SET('.$this->user_group.',user_group))';
}
else
{
$where.=' and user_group = "all" ';
}
$proList = $proObj->query($where,'*','`condition`');
return $proList;
}
/**
* @brief 现金促销规则奖励操作
* @param array 现金促销规则奖励信息
* @return float 处理后金额
*/
private function cashAction($cashArray)
{
$sum = $this->sum;
foreach($cashArray as $val)
{
$award_type = $val['award_type'];
$award_value = $val['award_value'];
switch($award_type)
{
//减少总额数
case "1":
{
$sum = $sum - $award_value;
}
break;
//减少百分比
case "2":
{
$sum = $sum - ($sum * ($award_value/100));
}
break;
}
}
return $sum;
}
/**
* @brief 赠品促销规则奖励操作
* @param array 赠品促销规则奖励信息
*/
private function giftAction($giftArray,$user_id)
{
foreach($giftArray as $key => $val)
{
$award_type = $val['award_type'];
$award_value = $val['award_value'];
switch($award_type)
{
//积分
case "3":
{
$pointConfig = array(
'user_id' => $user_id,
'point' => $award_value,
'log' => '促销奖励，消费满'.$this->sum.'元，奖励'.$award_value.'积分',
);
$pointObj = new Point;
$pointObj->update($pointConfig);
}
break;
//代金券
case "4":
{
/*(1)修改prop表*/
$ticketObj = new IModel('ticket');
$where = 'id = '.$award_value;
$ticketRow = $ticketObj->getObj($where);
//奖励的红包没有过期
$time = ITime::getDateTime();
if(($time > $ticketRow['start_time']) && ($time < $ticketRow['end_time']))
{
$dataArray = array(
'condition' => $award_value,
'name' => $ticketRow['name'],
'card_name' => 'T'.IHash::random(8),
'card_pwd' => IHash::random(8),
'value' => $ticketRow['value'],
'start_time'=> $ticketRow['start_time'],
'end_time' => $ticketRow['end_time'],
'is_send' => 1,
);
$propObj = new IModel('prop');
$propObj->setData($dataArray);
$insert_id = $propObj->add();
/*(2)修改member表*/
$memberObj = new IModel('member');
//用户prop字段值null时
$memberArray = array('prop' => ','.$insert_id.',');
$memberObj->setData($memberArray);
$result = $memberObj->update('user_id = '.$user_id.' and ( prop is NULL or prop = "" )');
//用户prop字段值非null时
if(!$result)
{
$memberArray = array(
'prop' => 'concat(prop,"'.$insert_id.',")',
);
$memberObj->setData($memberArray);
$memberObj->update('user_id = '.$user_id,'prop');
}
}
}
break;
//赠送经验
case "5":
{
$memberObj = new IModel('member');
$memberArray = array(
'exp' => 'exp' + $award_value,
);
$memberObj->setData($memberArray);
$memberObj->update('user_id = '.$user_id,'exp');
}
break;
}
}
}
/**
* @brief 获取奖励信息
* @param array $award_type 奖励类型数组值
* @param bool $is_once 奖励方案是否允许叠加
* @return array 奖励信息
*/
private function getAwardInfo($award_type,$is_once)
{
$awardInfo = array();
//获取所有现金促销规则奖励信息
$award_type_str = join(',',$award_type);
$allAwardInfo = $this->satisfyPromotion($award_type_str);
//当现金奖励仅为一次时，奖励优惠最大化
if(!empty($allAwardInfo))
{
if($is_once == true)
{
$awardInfo[0] = current($allAwardInfo);
}
else
{
$awardInfo = $allAwardInfo;
}
}
return $awardInfo;
}
}