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

namespace EMIS.DataLogic.PaymentManage
{
    public class WorktimeRateDAL
    {
        public CollegeRepository CollegeRepository { get; set; }
        public WorktimeRateRepository WorktimeRateRepository { get; set; }

        public IQueryable<WorktimeRateView> GetWorktimeRateViewQueryable(Expression<Func<TP_WorktimeRate, bool>> exp)
        {
            var sql = (from rate in WorktimeRateRepository.GetList(exp) 
                       join college in CollegeRepository.Entities on rate.CollegeID equals college.CollegeID into dcollege 
                       from college in dcollege.DefaultIfEmpty() 
                       select new WorktimeRateView 
                       {
                           WorktimeRateID = rate.WorktimeRateID,
                           CollegeID = rate.CollegeID,
                           CollegeNo = college.No,
                           CollegeName = college.Name,
                           TeachingModeID = rate.TeachingModeID,
                           TeachingMethodID = rate.TeachingMethodID,
                           PaymentLevelID = rate.PaymentLevelID,
                           StudentCountStart = rate.StudentCountStart,
                           StudentCountEnd = rate.StudentCountEnd,
                           WorktimeRate = rate.WorktimeRate
                       });

            return sql;
        }
    }
}