/***********************************************************************
|
* Project: baifenBinfa
|
* ProjectName: 百分兵法管理系统
|
* Web: http://chuanyin.com
|
* Author:
|
* Email:
|
* CreateTime: 202403/02
|
* Description: 暂无
|
***********************************************************************/
|
|
using System;
|
using System.Threading.Tasks;
|
using CoreCms.Net.Configuration;
|
using CoreCms.Net.IRepository;
|
using CoreCms.Net.IRepository.UnitOfWork;
|
using CoreCms.Net.IServices;
|
using CoreCms.Net.Model.Entities;
|
using CoreCms.Net.Model.ViewModels.DTO;
|
using CoreCms.Net.Utility.Extensions;
|
using Newtonsoft.Json;
|
using Newtonsoft.Json.Linq;
|
|
|
namespace CoreCms.Net.Services
|
{
|
/// <summary>
|
/// 促销结果表 接口实现
|
/// </summary>
|
public class CoreCmsPromotionResultServices : BaseServices<CoreCmsPromotionResult>, ICoreCmsPromotionResultServices
|
{
|
private readonly ICoreCmsPromotionResultRepository _dal;
|
|
private ICoreCmsPromotionConditionServices _promotionConditionServices;
|
|
|
private readonly IUnitOfWork _unitOfWork;
|
public CoreCmsPromotionResultServices(IUnitOfWork unitOfWork, ICoreCmsPromotionResultRepository dal, ICoreCmsPromotionConditionServices promotionConditionServices)
|
{
|
this._dal = dal;
|
base.BaseDal = dal;
|
_unitOfWork = unitOfWork;
|
_promotionConditionServices = promotionConditionServices;
|
}
|
|
|
|
//去计算结果
|
public async Task<bool> toResult(CoreCmsPromotionResult resultInfo, CartDto cart,
|
CoreCmsPromotion promotionInfo)
|
{
|
if (string.IsNullOrEmpty(resultInfo.parameters)) return false;
|
|
var resultType = SystemSettingDictionary.GetPromotionResultType();
|
var resultModel = resultType.Find(p => p.sKey == resultInfo.code);
|
if (resultModel != null)
|
{
|
JObject parameters = (JObject)JsonConvert.DeserializeObject(resultInfo.parameters);
|
//如果是订单促销就直接去判断促销条件，如果是商品促销，就循环订单明细
|
if (resultModel.sValue == "goods")
|
{
|
var isUsed = false;
|
foreach (var item in cart.list)
|
{
|
var type = await _promotionConditionServices.goods_check(promotionInfo.id, (int)item.products.goodsId, item.nums);
|
if (type == 2)
|
{
|
//到这里就说明此商品信息满足促销商品促销信息的条件，去计算结果
|
//注意，在明细上面，就不细分促销的种类了，都放到一个上面，在订单上面才细分
|
decimal promotionModel = 0;
|
if (isUsed == false)
|
{
|
switch (resultInfo.code)
|
{
|
//指定商品减固定金额
|
case "GOODS_REDUCE":
|
promotionModel = result_GOODS_REDUCE(parameters, item, promotionInfo);
|
break;
|
//指定商品打X折
|
case "GOODS_DISCOUNT":
|
promotionModel = result_GOODS_DISCOUNT(parameters, item, promotionInfo);
|
break;
|
//指定商品一口价
|
case "GOODS_ONE_PRICE":
|
promotionModel = result_GOODS_ONE_PRICE(parameters, item, promotionInfo);
|
break;
|
//指定商品每第几件减指定金额
|
case "GOODS_HALF_PRICE": //todo 指定商品每第几件减指定金额
|
promotionModel = result_GOODS_HALF_PRICE(parameters, item, promotionInfo);
|
break;
|
default:
|
promotionModel = 0;
|
break;
|
}
|
}
|
|
if (item.isSelect)
|
{
|
switch (promotionInfo.type)
|
{
|
case (int)GlobalEnumVars.PromotionType.Promotion:
|
//设置总的商品促销金额
|
cart.goodsPromotionMoney = Math.Round(cart.goodsPromotionMoney + promotionModel, 2);
|
//设置总的价格
|
cart.amount = Math.Round(cart.amount - promotionModel, 2);
|
break;
|
case (int)GlobalEnumVars.PromotionType.Coupon:
|
if (isUsed)
|
{
|
item.products.promotionList.Remove(promotionInfo.id);
|
}
|
else
|
{
|
//优惠券促销金额
|
cart.couponPromotionMoney = Math.Round(cart.couponPromotionMoney + promotionModel, 2);
|
//设置总的价格
|
cart.amount = Math.Round(cart.amount - promotionModel, 2);
|
//跳出下级处理
|
isUsed = true;
|
}
|
break;
|
case (int)GlobalEnumVars.PromotionType.Group:
|
//团购
|
cart.goodsPromotionMoney = Math.Round(cart.goodsPromotionMoney + promotionModel, 2);
|
//设置总的价格
|
cart.amount = Math.Round(cart.amount - promotionModel, 2);
|
break;
|
case (int)GlobalEnumVars.PromotionType.Seckill:
|
//秒杀
|
cart.goodsPromotionMoney = Math.Round(cart.goodsPromotionMoney + promotionModel, 2);
|
//设置总的价格
|
cart.amount = Math.Round(cart.amount - promotionModel, 2);
|
break;
|
}
|
}
|
|
}
|
}
|
//商品促销可能做的比较狠，导致订单价格为负数了，这里判断一下，如果订单价格小于0了，就是0了
|
cart.amount = cart.amount > 0 ? cart.amount : 0;
|
}
|
else
|
{
|
//订单打X折
|
if (resultInfo.code == "ORDER_DISCOUNT")
|
{
|
result_ORDER_DISCOUNT(parameters, cart, promotionInfo);
|
}
|
//订单减指定金额
|
else if (resultInfo.code == "ORDER_REDUCE")
|
{
|
result_ORDER_REDUCE(parameters, cart, promotionInfo);
|
}
|
}
|
}
|
return true;
|
}
|
|
/// <summary>
|
/// 订单减固定金额
|
/// </summary>
|
/// <param name="parameters"></param>
|
/// <param name="cart"></param>
|
/// <param name="promotionInfo"></param>
|
/// <returns></returns>
|
public bool result_ORDER_REDUCE(JObject parameters, CartDto cart, CoreCmsPromotion promotionInfo)
|
{
|
if (!parameters.ContainsKey("money")) return true;
|
|
//判断极端情况，减的太多，超过购物车的总金额了，那么就最多减到0
|
if (cart.amount < (decimal)parameters["money"])
|
{
|
parameters["money"] = cart.amount;
|
}
|
//总价格修改
|
cart.amount -= (decimal)parameters["money"];
|
switch (promotionInfo.type)
|
{
|
case (int)GlobalEnumVars.PromotionType.Promotion:
|
//总促销修改
|
cart.orderPromotionMoney += (decimal)parameters["money"];
|
//设置促销列表
|
if (cart.promotionList.ContainsKey(promotionInfo.id))
|
{
|
cart.promotionList[promotionInfo.id].name = promotionInfo.name;
|
cart.promotionList[promotionInfo.id].type = 2;
|
}
|
else
|
{
|
cart.promotionList.Add(promotionInfo.id, new WxNameTypeDto() { name = promotionInfo.name, type = 2 });
|
}
|
break;
|
|
case (int)GlobalEnumVars.PromotionType.Coupon:
|
//优惠券促销金额
|
cart.couponPromotionMoney += (decimal)parameters["money"];
|
break;
|
}
|
return true;
|
}
|
|
/// <summary>
|
/// 订单打X折
|
/// </summary>
|
/// <param name="parameters"></param>
|
/// <param name="cart"></param>
|
/// <param name="promotionInfo"></param>
|
/// <returns></returns>
|
public bool result_ORDER_DISCOUNT(JObject parameters, CartDto cart, CoreCmsPromotion promotionInfo)
|
{
|
//if (parameters.Property("discount") == null) return true;
|
//var objDiscount = Convert.ToInt32(parameters["discount"]);
|
|
if (!parameters.ContainsKey("discount")) return true;
|
var objDiscount = parameters["discount"].ObjectToDecimal(0);
|
|
//判断参数是否设置的正确
|
if (objDiscount >= 10 || objDiscount <= 0)
|
{
|
return true;
|
}
|
var orderAmount = cart.amount;
|
//总价格修改
|
cart.amount = Math.Round(Math.Round(Math.Round(cart.amount * objDiscount, 3) * 10, 2) / 100, 2);
|
switch (promotionInfo.type)
|
{
|
case (int)GlobalEnumVars.PromotionType.Promotion:
|
//总促销修改
|
cart.orderPromotionMoney = Math.Round(cart.orderPromotionMoney + Math.Round(orderAmount - cart.amount, 2), 2);
|
//设置促销列表
|
if (cart.promotionList.ContainsKey(promotionInfo.id))
|
{
|
cart.promotionList[promotionInfo.id].name = promotionInfo.name;
|
cart.promotionList[promotionInfo.id].type = 2;
|
|
}
|
else
|
{
|
cart.promotionList.Add(promotionInfo.id, new WxNameTypeDto() { name = promotionInfo.name, type = 2 });
|
}
|
break;
|
|
case (int)GlobalEnumVars.PromotionType.Coupon:
|
//优惠券促销金额
|
cart.couponPromotionMoney = Math.Round(cart.couponPromotionMoney + Math.Round(orderAmount - cart.amount, 2), 2);
|
break;
|
}
|
return true;
|
}
|
|
/// <summary>
|
/// 指定商品减固定金额
|
/// </summary>
|
/// <param name="parameters"></param>
|
/// <param name="cartProducts"></param>
|
/// <param name="promotionInfo"></param>
|
/// <returns></returns>
|
public decimal result_GOODS_REDUCE(JObject parameters, CartProducts cartProducts, CoreCmsPromotion promotionInfo)
|
{
|
if (!parameters.ContainsKey("money")) return 0;
|
var objMoney = parameters["money"].ObjectToDecimal(0);
|
var isApplyToNum = parameters["isApplyToNum"].ObjectToInt(1);
|
|
decimal promotionMoney = 0;
|
//判断极端情况，减的太多，超过商品单价了，那么就最多减到0
|
if (cartProducts.products.price < objMoney)
|
{
|
objMoney = cartProducts.products.price;
|
}
|
//此处不存储优惠后单价，防止出现针对单个产品，多个数量情况下，单一优惠券无法针对每个数量的商品进行计算售价。
|
//cartProducts.products.price = Math.Round(cartProducts.products.price - objMoney, 2);
|
//此次商品促销一共优惠了多少钱
|
if (promotionInfo.type is (int)GlobalEnumVars.PromotionType.Coupon or (int)GlobalEnumVars.PromotionType.Seckill or (int)GlobalEnumVars.PromotionType.Group or (int)GlobalEnumVars.PromotionType.Promotion)
|
{
|
promotionMoney = isApplyToNum == 1 ? objMoney : Math.Round(cartProducts.nums * objMoney, 2);
|
}
|
else
|
{
|
promotionMoney = Math.Round(cartProducts.nums * objMoney, 2);
|
}
|
//promotionMoney = promotionInfo.type == (int)GlobalEnumVars.PromotionType.Coupon ? isApplyToNum == 1 ? objMoney : Math.Round(cartProducts.nums * objMoney, 2) : Math.Round(cartProducts.nums * objMoney, 2);
|
//设置商品优惠总金额
|
cartProducts.products.promotionAmount = Math.Round(cartProducts.products.promotionAmount + promotionMoney, 2);
|
//设置商品的实际销售金额（单品）
|
cartProducts.products.amount = Math.Round(cartProducts.products.amount - promotionMoney, 2);
|
return promotionMoney;
|
}
|
|
/// <summary>
|
/// 指定商品打X折
|
/// </summary>
|
/// <param name="parameters"></param>
|
/// <param name="cartProducts"></param>
|
/// <param name="promotionInfo"></param>
|
/// <returns></returns>
|
public decimal result_GOODS_DISCOUNT(JObject parameters, CartProducts cartProducts, CoreCmsPromotion promotionInfo)
|
{
|
if (!parameters.ContainsKey("discount")) return 0;
|
var objDiscount = parameters["discount"].ObjectToDecimal(0);
|
var isApplyToNum = parameters["isApplyToNum"].ObjectToInt(1);
|
|
//判断参数是否设置的正确
|
if (objDiscount >= 10 || objDiscount <= 0)
|
{
|
return 0;
|
}
|
|
decimal goodsPrice = cartProducts.products.price;
|
//此处不存储优惠后单价，防止出现针对单个产品，多个数量情况下，单一优惠券无法针对每个数量的商品进行计算售价。
|
//cartProducts.products.price = Math.Round(Math.Round(Math.Round(cartProducts.products.price * objDiscount, 3) * 10, 2) / 100, 2);
|
var productsPrice = Math.Round(Math.Round(Math.Round(cartProducts.products.price * objDiscount, 3) * 10, 2) / 100, 2);
|
|
//单品优惠的金额
|
var pmoney = Math.Round(goodsPrice - productsPrice, 2);
|
decimal promotionMoney = 0;
|
if (promotionInfo.type is (int)GlobalEnumVars.PromotionType.Coupon or (int)GlobalEnumVars.PromotionType.Seckill or (int)GlobalEnumVars.PromotionType.Group or (int)GlobalEnumVars.PromotionType.Promotion)
|
{
|
promotionMoney = isApplyToNum == 1 ? pmoney : Math.Round(cartProducts.nums * pmoney, 2);
|
}
|
else
|
{
|
promotionMoney = Math.Round(cartProducts.nums * pmoney, 2);
|
}
|
//var promotionMoney = promotionInfo.type == (int)GlobalEnumVars.PromotionType.Coupon ? isApplyToNum == 1 ? pmoney : Math.Round(cartProducts.nums * pmoney, 2) : Math.Round(cartProducts.nums * pmoney, 2);
|
//设置商品优惠总金额
|
cartProducts.products.promotionAmount = Math.Round(cartProducts.products.promotionAmount + promotionMoney, 2);
|
//设置商品的实际销售总金额
|
cartProducts.products.amount = Math.Round(cartProducts.products.amount - promotionMoney, 2);
|
|
return promotionMoney;
|
}
|
|
//商品一口价
|
public decimal result_GOODS_ONE_PRICE(JObject parameters, CartProducts cartProducts, CoreCmsPromotion promotionInfo)
|
{
|
if (!parameters.ContainsKey("money")) return 0;
|
var objMoney = parameters["money"].ObjectToDecimal(0);
|
var isApplyToNum = parameters["isApplyToNum"].ObjectToInt(1);
|
|
//如果一口价比商品价格高，那么就不执行了
|
decimal promotionMoney = 0;
|
if (cartProducts.products.price <= objMoney)
|
{
|
return promotionMoney;
|
}
|
var goodsPrice = (decimal)cartProducts.products.price;
|
//此处不存储优惠后单价，防止出现针对单个产品，多个数量情况下，单一优惠券无法针对每个数量的商品进行计算售价。
|
//cartProducts.products.price = Math.Round(objMoney, 2);
|
var productsPrice = Math.Round(objMoney, 2);
|
//单品优惠的金额
|
var pmoney = Math.Round(goodsPrice - productsPrice, 2);
|
if (promotionInfo.type is (int)GlobalEnumVars.PromotionType.Coupon or (int)GlobalEnumVars.PromotionType.Seckill or (int)GlobalEnumVars.PromotionType.Group or (int)GlobalEnumVars.PromotionType.Promotion)
|
{
|
promotionMoney = isApplyToNum == 1 ? pmoney : Math.Round(cartProducts.nums * pmoney, 2);
|
}
|
else
|
{
|
promotionMoney = Math.Round(cartProducts.nums * pmoney, 2);
|
}
|
//promotionMoney = promotionInfo.type == (int)GlobalEnumVars.PromotionType.Coupon ? isApplyToNum == 1 ? pmoney : Math.Round(cartProducts.nums * pmoney, 2) : Math.Round(cartProducts.nums * pmoney, 2);
|
//设置商品优惠总金额
|
cartProducts.products.promotionAmount = Math.Round(cartProducts.products.promotionAmount + promotionMoney, 2);
|
//设置商品的实际销售总金额
|
cartProducts.products.amount = Math.Round(cartProducts.products.amount - promotionMoney, 2);
|
return promotionMoney;
|
}
|
|
//指定商品每第几件减指定金额
|
public decimal result_GOODS_HALF_PRICE(JObject parameters, CartProducts cartProducts, CoreCmsPromotion promotionInfo)
|
{
|
if (!parameters.ContainsKey("money")) return 0;
|
var objMoney = parameters["money"].ObjectToDecimal(0);
|
|
//如果一口价比商品价格高，那么就不执行了
|
decimal promotionMoney = 0;
|
if (cartProducts.products.price <= objMoney)
|
{
|
return promotionMoney;
|
}
|
//第几个优惠
|
var num = parameters["num"].ObjectToInt(0);
|
//购买的数量
|
var buyNum = cartProducts.nums;
|
|
if (cartProducts.nums >= num)
|
{
|
var promotionNum = buyNum / num;
|
//var pmoney = Math.Round(objMoney / buyNum, 2); //单品优惠的金额
|
//var goodsPrice = (decimal)cartProducts.products.price;
|
//此处不存储优惠后单价，防止出现针对单个产品，多个数量情况下，单一优惠券无法针对每个数量的商品进行计算售价。
|
//cartProducts.products.price = goodsPrice - pmoney; //优惠后的平均价格
|
promotionMoney = Math.Round(promotionNum * objMoney, 2);//优惠金额
|
|
//设置商品优惠总金额
|
cartProducts.products.promotionAmount = Math.Round(cartProducts.products.promotionAmount + promotionMoney, 2);
|
//设置商品的实际销售总金额
|
cartProducts.products.amount = Math.Round(cartProducts.products.amount - promotionMoney, 2);
|
}
|
|
return promotionMoney;
|
}
|
|
|
}
|
}
|
