120 lines
4.1 KiB
C#
120 lines
4.1 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.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.Entities.Expression;
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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 SqlSugar;
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using StackExchange.Redis;
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namespace CoreCms.Net.Services
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{
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/// <summary>
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/// 商品收藏表 接口实现
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/// </summary>
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public class CoreCmsGoodsCollectionServices : BaseServices<CoreCmsGoodsCollection>, ICoreCmsGoodsCollectionServices
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{
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private readonly ICoreCmsGoodsCollectionRepository _dal;
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private readonly IUnitOfWork _unitOfWork;
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public CoreCmsGoodsCollectionServices(IUnitOfWork unitOfWork, ICoreCmsGoodsCollectionRepository dal)
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{
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this._dal = dal;
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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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/// 检查是否收藏了此商品
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/// </summary>
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/// <param name="userId"></param>
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/// <param name="goodsId"></param>
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/// <returns></returns>
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public async Task<bool> Check(int userId, int goodsId)
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{
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var bl =await _dal.ExistsAsync(p => p.userId == userId && p.goodsId == goodsId);
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return bl;
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}
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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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/// <returns></returns>
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public async Task<IPageList<CoreCmsGoodsCollection>> QueryPageAsync(Expression<Func<CoreCmsGoodsCollection, bool>> predicate,
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Expression<Func<CoreCmsGoodsCollection, object>> orderByExpression, OrderByType orderByType, int pageIndex = 1,
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int pageSize = 20)
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{
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return await _dal.QueryPageAsync(predicate, orderByExpression, orderByType, pageIndex, pageSize);
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}
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/// <summary>
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/// 如果收藏了，就取消收藏，如果没有收藏，就收藏
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/// </summary>
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public async Task<WebApiCallBack> ToDo(int userId, int goodsId)
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{
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var collectionInfo = await _dal.ExistsAsync(p => p.userId == userId && p.goodsId == goodsId);
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if (collectionInfo)
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{
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return await ToDel(userId, goodsId);
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}
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else
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{
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return await ToAdd(userId, goodsId);
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}
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}
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/// <summary>
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/// 取消收藏
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/// </summary>
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/// <param name="userId"></param>
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/// <param name="goodsId"></param>
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/// <returns></returns>
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private async Task<WebApiCallBack> ToDel(int userId, int goodsId)
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{
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var jm = new WebApiCallBack() { status = true, msg = "取消收藏成功" };
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await _dal.DeleteAsync(p => p.userId == userId && p.goodsId == goodsId);
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return jm;
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}
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/// <summary>
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/// 收藏
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/// </summary>
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/// <param name="userId"></param>
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/// <param name="goodsId"></param>
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/// <returns></returns>
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public async Task<WebApiCallBack> ToAdd(int userId, int goodsId)
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{
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return await _dal.ToAdd(userId, goodsId);
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}
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}
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}
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