/// <summary>
///
/// </summary>
/// <param name="templateId"></param>
/// <returns></returns>
public FreightInfo GetFreightFeeByTemplate(EntFreightTemplate template, List <EntGoodsCart> shopingItem)
{
FreightInfo info = null;
//满额免运费
if (template.FullDiscount > 0)
{
var totalPrice = shopingItem.Sum(item => item.Count * item.Price);
var discountPrice = totalPrice >= template.FullDiscount ? 0 : template.BaseCost;
info = new FreightInfo
{
Fee = discountPrice,
Msg = discountPrice == 0 ? "满减免运费" : $"离免运费，还差购买{(template.FullDiscount - totalPrice) * 0.01}元商品",
IsVaild = true
};
}
//按件计费
else if (template.BaseCost > 0 && template.BaseCount > 0 && template.ExtraCost > 0)
{
var itemCount = shopingItem.Sum(item => item.Count);
var extraCount = itemCount - template.BaseCount;
var fee = extraCount > 0 ? extraCount * template.ExtraCost + template.BaseCost: template.BaseCost;
info = new FreightInfo
{
Fee = fee,
Msg = extraCount <= 0 ? "无优惠" : $"购买超出{extraCount}将，以每件{template.ExtraCost * 0.01}元续费",
IsVaild = true
};
}
else
{
info = new FreightInfo {
Msg = "无效运费模板"
};
}
return(info);
}
/// <summary>
///
/// </summary>
/// <param name="config"></param>
/// <param name="cartIds"></param>
/// <returns>"运费|优惠信息|是否在配送范围"</returns>
public FreightInfo GetFreightFee(StoreConfigModel config, string cartIds, string province, string city)
{
FreightInfo info = null;
//返回统一运费
if (config.FreightPriceSwitch)
{
info = new FreightInfo {
Fee = config.FreightPrice, Msg = "无优惠", IsVaild = true
};
return(info);
}
//获取模板（未启用模板时，返回默认官方模板）
EntFreightTemplate template = config.FreightTemplateId <= 0 ? GetDefaultTemplate() : GetModel(config.FreightTemplateId);
//送货地址是否在商家配送范围（默认模板：全国配送）
bool isInDeliveryArea = CheckDeliveryArea(template: template, province: province, city: city);
if (!isInDeliveryArea)
{
info = new FreightInfo {
Fee = 0, Msg = "送货地址超出配送范围", IsVaild = false
};
return(info);
}
//获取购物车商品
var shopingItem = EntGoodsCartBLL.SingleModel.GetMyCartById(cartIds.Trim(','));
if (shopingItem?.Count <= 0)
{
info = new FreightInfo {
Fee = 0, Msg = "无效商品", IsVaild = false
};
return(info);
}
//获取运费
return(GetFreightFeeByTemplate(template, shopingItem));
}
