using Tiobon.Core.IServices;
using Tiobon.Core.Model.Models;
using Tiobon.Core.Services.BASE;
using Tiobon.Core.IRepository.Base;
using Tiobon.Core.Common.Caches;
using Tiobon.Core.Common;
using Tiobon.Core.Model;
using AgileObjects.AgileMapper;

namespace Tiobon.Core.Services;

/// <summary>
/// 课程 (服务)
/// </summary>
public class Ghre_CourseServices : BaseServices<Ghre_Course, Ghre_CourseDto, InsertGhre_CourseInput, EditGhre_CourseInput>, IGhre_CourseServices
{
    private readonly IBaseRepository<Ghre_Course> _dal;
    private IGhre_CourseClassServices _ghre_CourseClassServices;
    public Ghre_CourseServices(IBaseRepository<Ghre_Course> dal,
        ICaching caching,
        IGhre_CourseClassServices ghre_CourseClassServices)
    {
        this._dal = dal;
        base.BaseDal = dal;
        _ghre_CourseClassServices = ghre_CourseClassServices;
        base._caching = caching;
    }

    public override async Task<ServicePageResult<Ghre_CourseDto>> QueryFilterPage(QueryBody body)
    {
        var data = await BaseDal.QueryFilterPage(body);
        var list = Mapper.Map(data.result.DT_TableDataT1).ToANew<List<Ghre_CourseDto>>();

        var classIds = list.Select(x => x.CourseClassId).Distinct().ToList();
        var classs = await _ghre_CourseClassServices.Query(x => classIds.Contains(x.Id));

        list.ForEach(x =>
        {
            if (x.CourseClassId != null)
                x.CourseClassName = classs.FirstOrDefault(o => o.Id == x.CourseClassId)?.ClassName;
        });

        return new ServicePageResult<Ghre_CourseDto>(body.pageNum, data.result.DT_TablePageInfoT1.TotalCount, body.pageSize, list);

    }
}