emoticon_api/ARW.Service/Api/BusinessService/GoodsManager/GoodsComments/GoodsCommentServiceApi.cs

using Infrastructure.Attribute;
using Microsoft.AspNetCore.Http;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ARW.Model;
using ARW.Repository;
using ARW.Repository.Business.GoodsManager.GoodsComments;
using ARW.Service.Api.IBusinessService.GoodsManager.GoodsComments;
using ARW.Model.Dto.Api.GoodsManager.GoodsComments;
using ARW.Model.Models.Business.GoodsManager.GoodsComments;
using ARW.Model.Vo.Api.GoodsManager.GoodsComments;
using ARW.Model.Models.Business.Custom.Customers;
using ARW.Model.Models.Business.GoodsManager.Goodss;
using ARW.Model.Models.Business.ShopManager.Shops;
using System.IO;
using ARW.Model.System;

namespace ARW.Service.Api.BusinessService.GoodsManager.GoodsComments
{
    /// <summary>
    /// 商品评价接口实现类Api
    ///
    /// @author admin
    /// @date 2023-07-17
    /// </summary>
    [AppService(ServiceType = typeof(IGoodsCommentServiceApi), ServiceLifetime = LifeTime.Transient)]
    public class GoodsCommentServiceImplApi : BaseService<GoodsComment>, IGoodsCommentServiceApi
    {
        private readonly GoodsCommentRepository _GoodsCommentRepository;

        public GoodsCommentServiceImplApi(GoodsCommentRepository GoodsCommentRepository)
        {
            this._GoodsCommentRepository = GoodsCommentRepository;
        }

        #region Api接口代码


        /// <summary>
        /// 查询商品评价列表(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<PagedInfo<GoodsCommentVoApi>> GetGoodsCommentListApi(GoodsCommentQueryDtoApi parm)
        {
            //开始拼装查询条件d
            var predicate = Expressionable.Create<GoodsComment>();

            predicate = predicate.AndIF(parm.ShopGuid != null, s => s.ShopGuid == parm.ShopGuid);
            predicate = predicate.AndIF(parm.SpuId != 0, s => s.GoodsGuid == parm.SpuId);
            predicate = predicate.AndIF(parm.CommentLevel != 0, s => s.GoodsCommentRatingType == parm.CommentLevel);
            predicate = predicate.AndIF(parm.HasImage == true, s => s.GoodsCommentImages != "" && s.GoodsCommentImages != null);
            var query = _GoodsCommentRepository
                .Queryable()
                .LeftJoin<Shop>((s, c) => s.ShopGuid == c.ShopGuid)
                .LeftJoin<Goods>((s, c, d) => s.GoodsGuid == d.GoodsGuid)
                .LeftJoin<Customer>((s, c, d, f) => s.CustomerGuid == f.CustomerGuid)
                .Where(predicate.ToExpression())
                .OrderBy(s => s.GoodsCommentSort, OrderByType.Asc)
                .Select((s, c, d, f) => new GoodsCommentVoApi
                {
                    Uid = s.GoodsCommentId,
                    SpuId = s.GoodsGuid,
                    CommentScore = s.GoodsCommentRating,
                    CommentContent = s.GoodsCommentContent,
                    GoodsCommentImages = s.GoodsCommentImages,
                    UserName = f.CustomerNickname,
                    UserHeadUrl = f.CustomerAvatar,
                    SellerReply = s.GoodsCommentRecoverContent,
                    GoodsDetailInfo = "",
                    CommentTime = s.Create_time.ToString("yyyy/MM/dd HH:mm"),
                });


            var list = await query.ToPageAsync(parm);

            foreach (var item in list.Result)
            {
                if (!string.IsNullOrEmpty(item.GoodsCommentImages))
                {
                    var imagesList = item.GoodsCommentImages.Split(',');
                    var resourcesList = new List<ResourcesItem>();
                    foreach (var image in imagesList)
                    {
                        var resourcesItem = new ResourcesItem
                        {
                            Src = image,
                            Type = "",
                            CoverSrc = ""
                        };

                        string extension = Path.GetExtension(image).ToLower();

                        if (extension == ".mp4" || extension == ".avi")
                        {
                            resourcesItem.Type = "video";
                            // 解析视频封面并赋值给 CoverSrc
                            // 你可以根据具体需求调用相应的方法来获取视频封面
                            //resourcesItem.CoverSrc = GetVideoCover(image);
                        }
                        else
                        {
                            resourcesItem.Type = "image";
                        }

                        resourcesList.Add(resourcesItem);
                    }
                    item.CommentResources = resourcesList;
                }
            }

            return list;
        }

        /// <summary>
        /// 查询商品评价详情(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<List<GoodsCommentVoApi>> GetGoodsDetailsComments(GoodsCommentDtoApi parm)
        {

            var query = _GoodsCommentRepository
                .Queryable()
                .LeftJoin<Shop>((s, c) => s.ShopGuid == c.ShopGuid)
                .LeftJoin<Goods>((s, c, d) => s.GoodsGuid == d.GoodsGuid)
                .LeftJoin<Customer>((s, c, d, f) => s.CustomerGuid == f.CustomerGuid)
                .Where(s => s.GoodsGuid == parm.SpuId)
                .OrderBy(s => s.GoodsCommentSort)  // 按 GoodsCommentSort 升序排序
                .Select((s, c, d, f) => new GoodsCommentVoApi
                {
                    Uid = s.GoodsCommentId,
                    SpuId = s.GoodsGuid,
                    CommentScore = s.GoodsCommentRating,
                    CommentContent = s.GoodsCommentContent,
                    GoodsCommentImages = s.GoodsCommentImages,
                    UserName = f.CustomerNickname,
                    UserHeadUrl = f.CustomerAvatar,
                    SellerReply = s.GoodsCommentRecoverContent,
                    GoodsDetailInfo = "",
                }).Take(1);

            return await query.ToListAsync();
        }


        /// <summary>
        /// 获取商品详情页评论数(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<GoodsCommentCountApiVo> GetGoodsDetailsCommentsCount(GoodsCommentDtoApi parm)
        {

            var query = _GoodsCommentRepository
                .Queryable()
                .Select((s) => new GoodsCommentCountApiVo
                {
                    CommentCount = SqlFunc.Subqueryable<GoodsComment>().Where(s => s.GoodsGuid == parm.SpuId).Count(),
                    BadCount = SqlFunc.Subqueryable<GoodsComment>().Where(s => s.GoodsCommentRatingType == 3 && s.GoodsGuid == parm.SpuId).Count(),
                    MiddleCount = SqlFunc.Subqueryable<GoodsComment>().Where(s => s.GoodsCommentRatingType == 2 && s.GoodsGuid == parm.SpuId).Count(),
                    GoodCount = SqlFunc.Subqueryable<GoodsComment>().Where(s => s.GoodsCommentRatingType == 1 && s.GoodsGuid == parm.SpuId).Count(),
                    HasImageCount = SqlFunc.Subqueryable<GoodsComment>().Where(s => s.GoodsCommentImages != "" && s.GoodsCommentImages != null && s.GoodsGuid == parm.SpuId).Count()
                });

            var res = await query.FirstAsync();
            if (res != null)
            {
                if (res.GoodCount > 0)
                {
                    res.GoodRate = Math.Round((decimal)res.GoodCount / res.CommentCount, 4) * 100;
                }
            }

            return res;
        }

        #endregion

    }
}