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

namespace EMIS.DataLogic.GraduationManage.GraduationSetting
{
    public class GraduationConditionPackageDAL
    {
        public GraduationConditionPackageRepository GraduationConditionPackageRepository { get; set; }
        public GraduationConditionRepository GraduationConditionRepository { get; set; }
        public GraduationApplyRepository GraduationApplyRepository { get; set; }
        
        /// <summary>
        /// 查询对应的毕业公式信息View（只查询毕业公式信息，不查询毕业公式对应的毕业条件）
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<GraduationConditionPackageView> GetGraduationConditionPackageQueryable(Expression<Func<ER_GraduationConditionPackage, bool>> exp)
        {
            var query = from gp in GraduationConditionPackageRepository.GetList(exp)
                        select new GraduationConditionPackageView
                        {
                            GraduationConditionPackageID = gp.GraduationConditionPackageID,
                            Title = gp.Title,
                            StudentTypeID = gp.StudentType,
                            IsDefault = gp.IsDefault.Value,
                            IsEnable = gp.RecordStatus.Value > 0 ? true : false,
                            RecordStatus = gp.RecordStatus,
                            CreateUserID = gp.CreateUserID,
                            CreateTime = gp.CreateTime,
                            ModifyUserID = gp.ModifyUserID,
                            ModifyTime = gp.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询毕业公式中对应的毕业条件信息View（GraduationConditionView）
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<GraduationConditionView> GraduationConditionQueryable(Expression<Func<ER_GraduationConditionPackage, bool>> exp)
        {
            var query = from gp in GraduationConditionPackageRepository.GetList(exp)
                        from gc in gp.ER_GraduationCondition
                        select new GraduationConditionView
                        {
                            GraduationConditionID = gc.GraduationConditionID,
                            OrderNo = gc.OrderNo,
                            Title = gc.Title,
                            MethodFullName = gc.MethodFullName,
                            IsEnable = gc.RecordStatus.Value > 0 ? true : false,
                            RecordStatus = gc.RecordStatus,
                            CreateUserID = gc.CreateUserID,
                            CreateTime = gc.CreateTime,
                            ModifyUserID = gc.ModifyUserID,
                            ModifyTime = gc.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询毕业公式中未存在的毕业条件信息View（GraduationConditionView）
        /// </summary>
        /// <param name="expGraduationCondition"></param>
        /// <param name="graduationConditionPackageID"></param>
        /// <returns></returns>
        public IQueryable<GraduationConditionView> GetGraduationConditionNoQueryable(Expression<Func<ER_GraduationCondition, bool>> expGraduationCondition, Guid? graduationConditionPackageID)
        {
            var query = from gc in GraduationConditionRepository.GetList(expGraduationCondition)
                        from gp in gc.ER_GraduationConditionPackage.Where(x => x.GraduationConditionPackageID == graduationConditionPackageID).DefaultIfEmpty()
                        where !gp.ER_GraduationCondition.Contains(gc)
                        select new GraduationConditionView
                        {
                            GraduationConditionID = gc.GraduationConditionID,
                            OrderNo = gc.OrderNo,
                            Title = gc.Title,
                            MethodFullName = gc.MethodFullName,
                            IsEnable = gc.RecordStatus.Value > 0 ? true : false,
                            RecordStatus = gc.RecordStatus,
                            CreateUserID = gc.CreateUserID,
                            CreateTime = gc.CreateTime,
                            ModifyUserID = gc.ModifyUserID,
                            ModifyTime = gc.ModifyTime
                        };

            return query;
        }

    }
}