public function direct_count($id, $type, $buy_num = 1, $promo = '', $active_id = '')
{
/*开启促销活动*/
if ($promo && $active_id) {
//开启促销活动
$activeObject = new Active($promo, $active_id, $this->user_id, $id, $type, $buy_num);
$activeResult = $activeObject->checkValid();
if ($activeResult === true) {
$typeRow = $activeObject->originalGoodsInfo;
$disPrice = $activeObject->activePrice;
//设置优惠价格，如果不存在则优惠价等于商品原价
$typeRow['reduce'] = $typeRow['sell_price'] - $disPrice;
$typeRow['count'] = $buy_num;
$typeRow['sum'] = $disPrice * $buy_num;
//拼接返回数据
$result = array('final_sum' => $typeRow['sum'], 'promotion' => array(), 'proReduce' => 0, 'sum' => $typeRow['sell_price'] * $buy_num, 'goodsList' => array($typeRow), 'count' => $buy_num, 'reduce' => $typeRow['reduce'] * $buy_num, 'weight' => $typeRow['weight'] * $buy_num, 'point' => $typeRow['point'] * $buy_num, 'exp' => $typeRow['exp'] * $buy_num, 'freeFreight' => false);
return $result;
} else {
//报错信息
return $activeResult;
}
} else {
$buyInfo = array($type => array('id' => array($id), 'data' => array($id => array('count' => $buy_num)), 'count' => $buy_num));
return $this->goodsCount($buyInfo);
}
}
/**
* @brief 计算商品价格
* @param Array $buyInfo ,购物车格式
* @promo string 活动类型 团购，抢购
* @active_id int 活动ID
* @return array or bool
*/
public function goodsCount($buyInfo, $promo = '', $active_id = '')
{
$this->sum = 0;
//原始总额(优惠前)
$this->final_sum = 0;
//应付总额(优惠后)
$this->weight = 0;
//总重量
$this->reduce = 0;
//减少总额
$this->count = 0;
//总数量
$this->promotion = array();
//促销活动规则文本
$this->proReduce = 0;
//促销活动规则优惠额
$this->point = 0;
//增加积分
$this->exp = 0;
//增加经验
$this->freeFreight = array();
//商家免运费
$this->tax = 0;
//商品税金
$this->seller = array();
//商家商品总额统计, 商家ID => 商品金额
$user_id = $this->user_id;
$group_id = $this->group_id;
$goodsList = array();
$productList = array();
//活动购买情况
if ($promo && $active_id) {
$ac_type = isset($buyInfo['goods']) ? "goods" : "product";
$ac_id = current($buyInfo[$ac_type]['id']);
$ac_buy_num = $buyInfo[$ac_type]['data'][$ac_id]['count'];
//开启促销活动
$activeObject = new Active($promo, $active_id, $user_id, $ac_id, $ac_type, $ac_buy_num);
$activeResult = $activeObject->checkValid();
if ($activeResult === true) {
$typeRow = $activeObject->originalGoodsInfo;
$disPrice = $activeObject->activePrice;
//设置优惠价格，如果不存在则优惠价等于商品原价
$typeRow['reduce'] = $typeRow['sell_price'] - $disPrice;
$typeRow['count'] = $ac_buy_num;
$current_sum_all = $typeRow['sell_price'] * $ac_buy_num;
$current_reduce_all = $typeRow['reduce'] * $ac_buy_num;
$typeRow['sum'] = $current_sum_all - $current_reduce_all;
if (!isset($this->seller[$typeRow['seller_id']])) {
$this->seller[$typeRow['seller_id']] = 0;
}
$this->seller[$typeRow['seller_id']] += $typeRow['sum'];
//全局统计
$this->weight += $typeRow['weight'] * $ac_buy_num;
$this->point += $typeRow['point'] * $ac_buy_num;
$this->exp += $typeRow['exp'] * $ac_buy_num;
$this->sum += $current_sum_all;
$this->reduce += $current_reduce_all;
$this->count += $ac_buy_num;
$this->tax += self::getGoodsTax($typeRow['sum'], $typeRow['seller_id']);
$typeRow == "goods" ? $goodsList[] = $typeRow : ($productList[] = $typeRow);
} else {
//报错信息
return $activeResult;
}
} else {
/*开始计算goods和product的优惠信息 , 会根据条件分析出执行以下哪一种情况:
*(1)查看此商品(货品)是否已经根据不同会员组设定了优惠价格;
*(2)当前用户是否属于某个用户组中的成员，并且此用户组享受折扣率;
*(3)优惠价等于商品(货品)原价;
*/
//获取商品或货品数据
/*Goods 拼装商品优惠价的数据*/
if (isset($buyInfo['goods']['id']) && $buyInfo['goods']['id']) {
//购物车中的商品数据
$goodsIdStr = join(',', $buyInfo['goods']['id']);
$goodsObj = new IModel('goods as go');
$goodsList = $goodsObj->query('go.id in (' . $goodsIdStr . ')', 'go.name,go.id as goods_id,go.img,go.sell_price,go.point,go.weight,go.store_nums,go.exp,go.goods_no,0 as product_id,go.seller_id');
//开始优惠情况判断
foreach ($goodsList as $key => $val) {
//检查库存
if ($buyInfo['goods']['data'][$val['goods_id']]['count'] <= 0 || $buyInfo['goods']['data'][$val['goods_id']]['count'] > $val['store_nums']) {
return "商品：" . $val['name'] . "购买数量超出库存，请重新调整购买数量";
}
$groupPrice = $this->getGroupPrice($val['goods_id'], 'goods');
$goodsList[$key]['reduce'] = $groupPrice === null ? 0 : $val['sell_price'] - $groupPrice;
$goodsList[$key]['count'] = $buyInfo['goods']['data'][$val['goods_id']]['count'];
$current_sum_all = $goodsList[$key]['sell_price'] * $goodsList[$key]['count'];
$current_reduce_all = $goodsList[$key]['reduce'] * $goodsList[$key]['count'];
$goodsList[$key]['sum'] = $current_sum_all - $current_reduce_all;
if (!isset($this->seller[$val['seller_id']])) {
$this->seller[$val['seller_id']] = 0;
}
$this->seller[$val['seller_id']] += $goodsList[$key]['sum'];
//全局统计
$this->weight += $val['weight'] * $goodsList[$key]['count'];
$this->point += $val['point'] * $goodsList[$key]['count'];
$this->exp += $val['exp'] * $goodsList[$key]['count'];
$this->sum += $current_sum_all;
$this->reduce += $current_reduce_all;
$this->count += $goodsList[$key]['count'];
$this->tax += self::getGoodsTax($goodsList[$key]['sum'], $val['seller_id']);
}
}
/*Product 拼装商品优惠价的数据*/
if (isset($buyInfo['product']['id']) && $buyInfo['product']['id']) {
//购物车中的货品数据
$productIdStr = join(',', $buyInfo['product']['id']);
$productObj = new IQuery('products as pro,goods as go');
$productObj->where = 'pro.id in (' . $productIdStr . ') and go.id = pro.goods_id';
$productObj->fields = 'pro.sell_price,pro.weight,pro.id as product_id,pro.spec_array,pro.goods_id,pro.store_nums,pro.products_no as goods_no,go.name,go.point,go.exp,go.img,go.seller_id';
$productList = $productObj->find();
//开始优惠情况判断
foreach ($productList as $key => $val) {
//检查库存
if ($buyInfo['product']['data'][$val['product_id']]['count'] <= 0 || $buyInfo['product']['data'][$val['product_id']]['count'] > $val['store_nums']) {
return "货品：" . $val['name'] . "购买数量超出库存，请重新调整购买数量";
}
$groupPrice = $this->getGroupPrice($val['product_id'], 'product');
$productList[$key]['reduce'] = $groupPrice === null ? 0 : $val['sell_price'] - $groupPrice;
$productList[$key]['count'] = $buyInfo['product']['data'][$val['product_id']]['count'];
$current_sum_all = $productList[$key]['sell_price'] * $productList[$key]['count'];
$current_reduce_all = $productList[$key]['reduce'] * $productList[$key]['count'];
$productList[$key]['sum'] = $current_sum_all - $current_reduce_all;
if (!isset($this->seller[$val['seller_id']])) {
$this->seller[$val['seller_id']] = 0;
}
$this->seller[$val['seller_id']] += $productList[$key]['sum'];
//全局统计
$this->weight += $val['weight'] * $productList[$key]['count'];
$this->point += $val['point'] * $productList[$key]['count'];
$this->exp += $val['exp'] * $productList[$key]['count'];
$this->sum += $current_sum_all;
$this->reduce += $current_reduce_all;
$this->count += $productList[$key]['count'];
$this->tax += self::getGoodsTax($productList[$key]['sum'], $val['seller_id']);
}
}
//总金额满足的促销规则
if ($user_id) {
//计算每个商家促销规则
foreach ($this->seller as $seller_id => $sum) {
$proObj = new ProRule($sum, $seller_id);
$proObj->setUserGroup($group_id);
if ($proObj->isFreeFreight() == true) {
$this->freeFreight[] = $seller_id;
}
$this->promotion = array_merge($proObj->getInfo(), $this->promotion);
$this->proReduce += $sum - $proObj->getSum();
}
}
}
$this->final_sum = $this->sum - $this->reduce - $this->proReduce;
return array('final_sum' => $this->final_sum, 'promotion' => $this->promotion, 'proReduce' => $this->proReduce, 'sum' => $this->sum, 'goodsList' => array_merge($goodsList, $productList), 'count' => $this->count, 'reduce' => $this->reduce, 'weight' => $this->weight, 'point' => $this->point, 'exp' => $this->exp, 'tax' => $this->tax, 'freeFreight' => $this->freeFreight, 'seller' => $this->seller);
}
