using MySqlX.XDevAPI.Common;
using Tiobon.Core.IServices;

namespace Tiobon.Core.Services;

/// <summary>
/// 开班课表 (服务)
/// </summary>
public class Ghre_OpenClassScheduleServices : BaseServices<Ghre_OpenClassSchedule, Ghre_OpenClassScheduleDto, InsertGhre_OpenClassScheduleInput, EditGhre_OpenClassScheduleInput>, IGhre_OpenClassScheduleServices
{
    private readonly IBaseRepository<Ghre_OpenClassSchedule> _dal;
    public Ghre_OpenClassScheduleServices(ICaching caching, IBaseRepository<Ghre_OpenClassSchedule> dal)
    {
        this._dal = dal;
        base.BaseDal = dal;
        base._caching = caching;
    }



    public override async Task<List<Ghre_OpenClassScheduleDto>> QueryDto(Expression<Func<Ghre_OpenClassSchedule, bool>> whereExpression)
    {
        var data = await base.QueryDto(whereExpression);
        var courseIds = data.Select(x => x.CourseId).Distinct().ToList();
        var courses = await Db.Queryable<Ghre_Course>().Where(x => courseIds.Contains(x.Id)).ToListAsync();
        data.ForEach(x =>
        {
            x.CourseName = courses.Where(o => x.CourseId == o.Id).FirstOrDefault()?.CourseName;
            x.StartEndTime.Add(x.StartTime);
            x.StartEndTime.Add(x.EndTime);
        });
        return data;
    }
}