352 lines
13 KiB
C#
352 lines
13 KiB
C#
/***********************************************************************
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* Project: CoreCms
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* ProjectName: 核心内容管理系统
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* Web: https://www.corecms.net
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* Author: 大灰灰
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* Email: jianweie@163.com
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* CreateTime: 2021/1/31 21:45:10
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* Description: 暂无
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***********************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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using CoreCms.Net.Configuration;
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using CoreCms.Net.IRepository;
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using CoreCms.Net.IRepository.UnitOfWork;
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using CoreCms.Net.IServices;
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using CoreCms.Net.Loging;
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using CoreCms.Net.Model.Entities;
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using CoreCms.Net.Model.ViewModels.Basics;
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using CoreCms.Net.Model.ViewModels.UI;
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using Microsoft.Extensions.DependencyInjection;
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using SqlSugar;
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namespace CoreCms.Net.Services
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{
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/// <summary>
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/// 优惠券表 接口实现
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/// </summary>
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public class CoreCmsCouponServices : BaseServices<CoreCmsCoupon>, ICoreCmsCouponServices
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{
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private readonly ICoreCmsCouponRepository _dal;
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private readonly IUnitOfWork _unitOfWork;
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private readonly IServiceProvider _serviceProvider;
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public CoreCmsCouponServices(IUnitOfWork unitOfWork, ICoreCmsCouponRepository dal, IServiceProvider serviceProvider)
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{
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this._dal = dal;
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_serviceProvider = serviceProvider;
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base.BaseDal = dal;
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_unitOfWork = unitOfWork;
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}
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/// <summary>
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/// 根据优惠券编码取优惠券的信息,并判断是否可用
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/// </summary>
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/// <param name="code"></param>
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/// <param name="check"></param>
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public async Task<WebApiCallBack> CodeToInfo(string[] code, bool check = false)
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{
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return await _dal.ToInfo(code, check);
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}
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/// <summary>
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/// 删除核销多个优惠券
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/// </summary>
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/// <param name="couponCode">优惠券码</param>
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/// <param name="orderId">使用序列</param>
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/// <returns></returns>
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public async Task<WebApiCallBack> UsedMultipleCoupon(string[] couponCode, string orderId)
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{
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var res = new WebApiCallBack() { methodDescription = "删除核销多个优惠券" };
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//判断优惠券码能否有效
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var resCodeToInfo = await CodeToInfo(couponCode, true);
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if (resCodeToInfo.status == false)
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{
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return resCodeToInfo;
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}
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var dt = DateTime.Now;
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var doHasChange = await _dal.UpdateAsync(p => new CoreCmsCoupon() { isUsed = true, usedId = orderId, updateTime = dt },
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p => p.isUsed == false && couponCode.Contains(p.couponCode));
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if (doHasChange)
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{
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res.status = true;
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res.msg = "核销使用优惠券成功";
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res.data = couponCode;
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}
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else
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{
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res.status = false;
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res.msg = "核销使用优惠券失败";
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res.data = couponCode;
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}
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return res;
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}
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/// <summary>
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/// 获取 我的优惠券
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/// </summary>
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/// <param name="userId">用户序列</param>
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/// <param name="promotionId">促销序列</param>
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/// <param name="display">优惠券状态编码</param>
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/// <param name="page">页码</param>
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/// <param name="limit">数量</param>
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public async Task<WebApiCallBack> GetMyCoupon(int userId, int promotionId = 0, string display = "all", int page = 1, int limit = 10)
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{
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return await _dal.GetMyCoupon(userId, promotionId, display, page, limit);
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}
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/// <summary>
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/// 用户领取优惠券 插入数据
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/// </summary>
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/// <param name="userId"></param>
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/// <param name="promotionId"></param>
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/// <param name="promotion"></param>
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/// <returns></returns>
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public async Task<WebApiCallBack> AddData(int userId, int promotionId, CoreCmsPromotion promotion)
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{
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var jm = new WebApiCallBack();
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var dtTime = DateTime.Now;
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var eTime = DateTime.Now;
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if (promotion.effectiveDays > 0)
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{
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eTime = eTime.AddDays(promotion.effectiveDays);
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}
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if (promotion.effectiveHours > 0)
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{
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eTime = eTime.AddHours(promotion.effectiveHours);
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}
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var coupon = new CoreCmsCoupon
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{
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couponCode = GeneratePromotionCode()[0],
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promotionId = promotion.id,
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isUsed = false,
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userId = userId,
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createTime = dtTime,
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startTime = dtTime,
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endTime = eTime,
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remark = "接口领取"
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};
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var bl = await _dal.InsertAsync(coupon) > 0;
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jm.status = bl;
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jm.msg = bl ? "领取成功" : "领取失败";
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return jm;
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}
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/// <summary>
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/// 通过优惠券号领取优惠券
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/// </summary>
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/// <param name="userId"></param>
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/// <param name="couponCode"></param>
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/// <returns></returns>
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public async Task<WebApiCallBack> ReceiveCoupon(int userId, string couponCode)
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{
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using var container = _serviceProvider.CreateScope();
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var promotionServices = container.ServiceProvider.GetService<ICoreCmsPromotionServices>();
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var jm = new WebApiCallBack();
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var coupon = await _dal.QueryByClauseAsync(p => p.couponCode == couponCode);
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if (coupon == null)
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{
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jm.msg = "该优惠券不存在";
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return jm;
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}
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if (!string.IsNullOrEmpty(coupon.usedId))
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{
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jm.msg = "该优惠券已被使用";
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return jm;
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}
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if (coupon.userId > 0)
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{
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jm.msg = "该优惠券已被其他人领取";
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return jm;
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}
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coupon.userId = userId;
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var bl = await _dal.UpdateAsync(p => new CoreCmsCoupon() { userId = userId }, p => p.id == coupon.id);
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if (bl)
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{
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var promotion = await promotionServices.QueryByIdAsync(coupon.promotionId);
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if (promotion != null)
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{
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coupon.couponName = promotion.name;
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}
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}
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jm.status = bl;
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jm.msg = bl ? "领取成功" : "领取失败";
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jm.data = coupon;
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return jm;
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}
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/// <summary>
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/// 生成优惠券code 方法
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/// </summary>
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/// <param name="noOfCodes">定义一个int类型的参数 用来确定生成多少个优惠码</param>
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/// <param name="excludeCodesArray">定义一个exclude_codes_array类型的数组</param>
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/// <param name="codeLength">定义一个code_length的参数来确定优惠码的长度</param>
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/// <returns></returns>
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public List<string> GeneratePromotionCode(int noOfCodes = 1, List<string> excludeCodesArray = null, int codeLength = 10)
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{
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char[] constant =
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{
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'0','1','2','3','4','5','6','7','8','9',
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'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
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'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'
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};
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var promotionCodes = new List<string>(); //这个数组用来接收生成的优惠码
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Random rd = new Random();
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for (int i = 0; i < noOfCodes; i++)
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{
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var code = "";
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for (int j = 0; j < codeLength; j++)
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{
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code += constant[rd.Next(62)];
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}
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//如果生成的6位随机数不再我们定义的$promotion_codes函数里面
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if (!promotionCodes.Contains(code))
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{
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if (excludeCodesArray != null && excludeCodesArray.Any())
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{
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if (!excludeCodesArray.Contains(code))
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{
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promotionCodes.Add(code);//将优惠码赋值给数组
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}
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else
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{
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i--;
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}
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}
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else
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{
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promotionCodes.Add(code);//将优惠码赋值给数组
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}
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}
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else
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{
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i--;
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}
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}
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return promotionCodes;
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}
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#region 根据条件查询分页数据及导航数据
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/// <summary>
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/// 根据条件查询分页数据及导航数据
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/// </summary>
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/// <param name="predicate">判断集合</param>
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/// <param name="orderByType">排序方式</param>
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/// <param name="isToPage">是否分页</param>
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/// <param name="pageIndex">当前页面索引</param>
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/// <param name="pageSize">分布大小</param>
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/// <param name="orderByExpression"></param>
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/// <returns></returns>
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public async Task<IPageList<CoreCmsCoupon>> QueryPageMapperAsync(Expression<Func<CoreCmsCoupon, bool>> predicate,
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Expression<Func<CoreCmsCoupon, object>> orderByExpression, OrderByType orderByType, bool isToPage = false, int pageIndex = 1,
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int pageSize = 20)
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{
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return await _dal.QueryPageMapperAsync(predicate, orderByExpression, orderByType, isToPage, pageIndex, pageSize);
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}
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#endregion
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/// <summary>
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/// 重写数据并获取相关
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/// </summary>
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/// <param name="predicate">判断集合</param>
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/// <returns></returns>
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public async Task<List<CoreCmsCoupon>> QueryWithAboutAsync(Expression<Func<CoreCmsCoupon, bool>> predicate)
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{
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return await _dal.QueryWithAboutAsync(predicate);
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}
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#region 重写根据条件查询分页数据
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/// <summary>
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/// 重写根据条件查询分页数据
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/// </summary>
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/// <param name="predicate">判断集合</param>
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/// <param name="orderByType">排序方式</param>
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/// <param name="pageIndex">当前页面索引</param>
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/// <param name="pageSize">分布大小</param>
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/// <param name="orderByExpression"></param>
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/// <param name="blUseNoLock">是否使用WITH(NOLOCK)</param>
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/// <returns></returns>
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public new async Task<IPageList<CoreCmsCoupon>> QueryPageAsync(Expression<Func<CoreCmsCoupon, bool>> predicate,
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Expression<Func<CoreCmsCoupon, object>> orderByExpression, OrderByType orderByType, int pageIndex = 1,
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int pageSize = 20, bool blUseNoLock = false)
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{
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return await _dal.QueryPageAsync(predicate, orderByExpression, orderByType, pageIndex, pageSize, blUseNoLock);
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}
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#endregion
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/// <summary>
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/// 获取 我的优惠券可用数量
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/// </summary>
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/// <param name="userId">用户序列</param>
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public async Task<int> GetMyCouponCount(int userId)
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{
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return await _dal.GetMyCouponCount(userId);
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}
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#region 优惠券返还
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/// <summary>
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/// 优惠券返还
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/// </summary>
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/// <param name="couponCodes">优惠券数组</param>
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public async Task<WebApiCallBack> CancelReturnCoupon(string couponCodes)
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{
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var jm = new WebApiCallBack();
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jm.code = 0;
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var bl = false;
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var ids = couponCodes.Split(",");
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var list = await _dal.QueryListByClauseAsync(p => ids.Contains(p.couponCode));
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if (list != null && list.Any())
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{
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var newList = new List<CoreCmsCoupon>();
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list.ForEach(p =>
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{
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var eTime = p.endTime.AddMinutes(1);
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newList.Add(new CoreCmsCoupon()
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{
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couponCode = GeneratePromotionCode()[0],
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promotionId = p.promotionId,
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isUsed = false,
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userId = p.userId,
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createTime = DateTime.Now,
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remark = "优惠券返还",
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startTime = p.startTime,
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endTime = eTime
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});
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});
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bl = await _dal.InsertAsync(newList) > 0;
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jm.status = bl;
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jm.msg = bl ? "返还成功" : "返还失败";
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}
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return jm;
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}
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#endregion
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}
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}
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