using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.DataLogic.Repositories;
using EMIS.ViewModel.SchedulingManage.ScheduleApproval;
using EMIS.Entities;
using System.Linq.Expressions;

namespace EMIS.DataLogic.SchedulingManage.ScheduleApproval
{
    public class CollegeScheduleApprovalDAL
    {
        public CollegePriorityRepository collegePriorityRepository { get; set; }
        public CollegeScheduleStatusRepository collegeScheduleStatusRepository { get; set; }
        public CollegeRepository collegeRepository { get; set; }
        public SchoolyearRepository schoolyearRepository { get; set; }
        public UserRepository userRepository { get; set; }

        public IQueryable<CollegeScheduleApprovalView> GetCollegeScheduleApprovalViewQueryable(Expression<Func<CF_College, bool>> exp, Expression<Func<ES_CollegeScheduleStatus, bool>> exp1)
        {
            var query = from a in collegeRepository.GetList(exp)
                        join b in collegeScheduleStatusRepository.GetList(exp1) on a.CollegeID equals b.CollegeID into tmp1 from ab in tmp1.DefaultIfEmpty()
                        join c in userRepository.Entities on ab.ModifyUserID equals c.UserID into tmp from abc in tmp.DefaultIfEmpty()
                        join d in schoolyearRepository.Entities on ab.SchoolyearID equals d.SchoolyearID into tmp2 from abd in tmp2.DefaultIfEmpty()
                        select new CollegeScheduleApprovalView
                        {
                            //CollegePriorityID = a.CollegePriorityID,
                            CollegeScheduleStatusID = ab.CollegeScheduleStatusID,
                            CollegeID = a.CollegeID,
                            CollegeName=a.Name,
                            CollegeNo=a.No,
                            SchoolyearID=ab.SchoolyearID,
                            SchoolYearCode=abd.Code,
                            //Priority = a.Priority,
                            //StartDate = a.StartDate,
                            //EndDate = a.EndDate,
                            //ApprovalStatus = a.ApprovalStatus,
                            RecordStatus = ab.RecordStatus,
                            CreateUserID = ab.CreateUserID,
                            CreateTime = ab.CreateTime,
                            ModifyUserID = ab.ModifyUserID,
                            ModifyTime = ab.ModifyTime,
                            ModifyUserName=abc.Name,
                        };
            return query;
        }
    }
}