using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bowin.Common.Linq;
using EMISOnline.Entities;
using EMISOnline.DataLogic.Repositories;
using EMISOnline.ViewModel.SystemView;
using System.Linq.Expressions;
using EMISOnline.ViewModel.Student;

namespace EMISOnline.DataLogic.Student
{
    public class CourseScoreDAL
    {
        public TeacherScoreRepository teacherScoreRepository { get; set; }
        public StudentEducationMissionClassRepository studentEducationMissionClassRepository { get; set; }

        public IQueryable<ER_TeacherScore> getTeacherScore(Expression<Func<ER_TeacherScore, bool>> tsExpression)
        {
            var sql = teacherScoreRepository.GetList(tsExpression);

            return sql;
        }

        public IQueryable<studentEducationMissionClassAddView> getStudentEducationAdd(Guid UserID,string CoursematerialName, string YearsCode)
        {
            var sql = from v in studentEducationMissionClassRepository.GetList(w => w.UserID == UserID)
                      join sy in studentEducationMissionClassRepository.UnitOfWork.CF_Schoolyear on v.SchoolyearID equals sy.SchoolyearID
                      join stu in studentEducationMissionClassRepository.UnitOfWork.CF_Student on v.UserID equals stu.UserID
                      join u in studentEducationMissionClassRepository.UnitOfWork.Sys_User on v.UserID equals u.UserID
                      select new studentEducationMissionClassAddView {  CoursematerialID=v.CoursematerialID,
                         CourseName=v.CourseName,
                         CoverUrl=v.CoverUrl,
                         EducationMissionClassID=v.EducationMissionClassID,
                         EducationMissionClassName=v.EducationMissionClassName,
                         UserID=v.UserID,
                         SchoolyearID=v.SchoolyearID,
                         yearCode=sy.Code,
                         years=sy.Years,
                         StudentCardNo=u.LoginID,
                         StudentName=u.Name
                      };

            if (!string.IsNullOrEmpty(CoursematerialName))
            {
                sql = sql.Where(w => w.CourseName.Contains(CoursematerialName));
            }

            if (!string.IsNullOrEmpty(YearsCode))
            {
                sql = sql.Where(w => w.yearCode.Contains(YearsCode));
            }

            return sql;
        }

    }
}