using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.DataLogic.Repositories;
using EMIS.ViewModel.DQPSystem;
using System.Linq.Expressions;
using EMIS.Entities;
using EMIS.ViewModel;
using Bowin.Common.Linq;

namespace EMIS.DataLogic.DQPSystem
{
    public class SOCDetailDAL
    {
        public SOCRepository SOCRepository { get; set; }
        public SOCDetailRepository SOCDetailRepository { get; set; }
        public SOCDetailAttachmentRepository SOCDetailAttachmentRepository { get; set; }
        public SOCTemplateRepository SOCTemplateRepository { get; set; }
        public SchoolyearRepository schoolyearRepository { get; set; }
        public CoursematerialRepository coursematerialRepository { get; set; }
        public EducationMissionRepository educationMissionRepository { get; set; }
        public EducationMissionClassRepository educationMissionClassRepository { get; set; }
        public SOCDetailStudentRepository SOCDetailStudentRepository { get; set; }
        public SOCDetailStudentScoreRepository SOCDetailStudentScoreRepository { get; set; }

        public IQueryable<SOCDetailView> GetSOCDetailViewQueryable(Expression<Func<DQP_SOCDetail, bool>> exp)
        {
            var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
            //exp = exp.And(x => x.CreateUserID == curUser.UserID);
            var query = from detail in SOCDetailRepository.GetList(exp)
                        join edu in educationMissionRepository.Entities
                        on detail.DQP_SOC.EducationMissionID equals edu.EducationMissionID
                        into dedu 
                        from edu in dedu.DefaultIfEmpty()
                        select new SOCDetailView
                        {
                            SOCDetailID = detail.SOCDetailID,
                            EducationMissionID = detail.DQP_SOC.EducationMissionID,
                            EducationMissionName = edu.ClassName,
                            SOCID = detail.SOCID,
                            DepartmentID = detail.DQP_SOC.DepartmentID,
                            SchoolyearID = detail.DQP_SOC.SchoolyearID,
                            SchoolyearCode = detail.DQP_SOC.CF_Schoolyear.Code,
                            CoursematerialID = detail.DQP_SOC.CoursematerialID,
                            CourseCode = detail.DQP_SOC.EM_Coursematerial.CourseCode,
                            CourseName = detail.DQP_SOC.EM_Coursematerial.CourseName,
                            Name = detail.Name,
                            Weight = detail.Weight,
                            Credit = detail.Credit,
                            Description = detail.Description,
                            IsGroup = detail.IsGroup,
                            IsGroupin = detail.IsGroup.Value,
                            StartTime = detail.StartTime,
                            EndTime = detail.EndTime,
                            Attachment = detail.DQP_SOCDetailAttachment,
                            GroupCount = detail.DQP_SOCDetailGroup.Count(),
                            StudentCount = detail.DQP_SOC.CF_Student.Count,
                        };
            return query;
        }

        public IOrderedQueryable<FileUploadView> GetSOCDetailAttachmentView(Expression<Func<DQP_SOCDetail, bool>> exp)
        {
            var tableName = typeof(DQP_SOCDetailAttachment).Name;
            var sql = (from @group in SOCDetailRepository.GetList(exp)
                       from attachment in @group.DQP_SOCDetailAttachment
                       orderby attachment.CreateTime descending
                       select new FileUploadView
                       {
                           FileID = attachment.SOCDetailAttachmentID,
                           FileName = attachment.Name,
                           FileUrl = attachment.Url,
                           FormID = attachment.SOCDetailID,
                           TableName = tableName
                       });

            return (IOrderedQueryable<FileUploadView>)sql;
        }
    }
}