using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BLL
{
    /// <summary>
    /// 质量会议
    /// </summary>
    public class MeetingService
    {

        /// <summary>
        /// 根据主键获取质量会议
        /// </summary>
        /// <param name="weekMeetingId"></param>
        /// <returns></returns>
        public static Model.CQMS_Meeting GetMeetingById(string meetingId)
        {
            return Funs.DB.CQMS_Meeting.FirstOrDefault(e => e.MeetingId == meetingId);
        }

        /// <summary>
        /// 根据时间段获取质量会议集合
        /// </summary>
        /// <param name="startTime"></param>
        /// <param name="endTime"></param>
        /// <param name="projectId"></param>
        /// <returns></returns>
        public static int GetCountByTime(DateTime startTime, DateTime endTime, string projectId)
        {
            return (from x in Funs.DB.CQMS_Meeting where x.MeetingDate >= startTime && x.MeetingDate < endTime && x.ProjectId == projectId && x.States == BLL.Const.State_2 select x).Count();
        }

        /// <summary>
        /// 根据时间段获取质量会议参会人数
        /// </summary>
        /// <param name="startTime"></param>
        /// <param name="endTime"></param>
        /// <param name="projectId"></param>
        /// <returns></returns>
        public static int? GetSumAttentPersonNumByMeetingDate(DateTime startTime, DateTime endTime, string projectId)
        {
            int? sumAttentPersonNum = (from x in Funs.DB.CQMS_Meeting where x.MeetingDate >= startTime && x.MeetingDate < endTime && x.ProjectId == projectId && x.States == BLL.Const.State_2 select x.AttentPersonNum).Sum();
            if (sumAttentPersonNum == null)
            {
                return 0;
            }
            return sumAttentPersonNum;
        }

        /// <summary>
        /// 根据日期和类型获取会议记录集合
        /// </summary>
        /// <param name="startTime">开始时间</param>
        /// <param name="endTime">结束时间</param>
        /// <param name="projectId">项目号</param>
        /// <returns>会议记录集合</returns>
        public static List<Model.CQMS_Meeting> GetMeetingListsByDate(DateTime startTime, DateTime endTime, string projectId)
        {
            return (from x in Funs.DB.CQMS_Meeting where x.MeetingDate >= startTime && x.MeetingDate <= endTime && x.ProjectId == projectId orderby x.MeetingDate select x).ToList();
        }

        /// <summary>
        /// 添加质量会议
        /// </summary>
        /// <param name="meeting"></param>
        public static void AddMeeting(Model.CQMS_Meeting meeting)
        {
            Model.SGGLDB db = Funs.DB;
            Model.CQMS_Meeting newMeeting = new Model.CQMS_Meeting
            {
                MeetingId = meeting.MeetingId,
                ProjectId = meeting.ProjectId,
                UnitId = meeting.UnitId,
                MeetingCode = meeting.MeetingCode,
                MeetingName = meeting.MeetingName,
                MeetingDate = meeting.MeetingDate,
                CompileMan = meeting.CompileMan,
                MeetingContents = meeting.MeetingContents,
                CompileDate = meeting.CompileDate,
                States = meeting.States,
                AttentPersonNum = meeting.AttentPersonNum,
                MeetingHours = meeting.MeetingHours,
                MeetingHostMan = meeting.MeetingHostMan,
                AttentPerson = meeting.AttentPerson,
                MeetingPlace = meeting.MeetingPlace,
                MeetingHostManId = meeting.MeetingHostManId,
                AttentPersonIds = meeting.AttentPersonIds,
                MeetingHostManOther = meeting.MeetingHostManOther
            };
            db.CQMS_Meeting.InsertOnSubmit(newMeeting);
            db.SubmitChanges();
            ////增加一条编码记录
            BLL.CodeRecordsService.InsertCodeRecordsByMenuIdProjectIdUnitId(BLL.Const.CQMS_MeetingMenuId, meeting.ProjectId, null, meeting.MeetingId, meeting.CompileDate);
        }

        /// <summary>
        /// 修改质量会议
        /// </summary>
        /// <param name="meeting"></param>
        public static void UpdateMeeting(Model.CQMS_Meeting meeting)
        {
            Model.SGGLDB db = Funs.DB;
            Model.CQMS_Meeting newMeeting = db.CQMS_Meeting.FirstOrDefault(e => e.MeetingId == meeting.MeetingId);
            if (newMeeting != null)
            {
                //newWeekMeeting.ProjectId = weekMeeting.ProjectId;
                newMeeting.UnitId = meeting.UnitId;
                newMeeting.MeetingCode = meeting.MeetingCode;
                newMeeting.MeetingName = meeting.MeetingName;
                newMeeting.MeetingDate = meeting.MeetingDate;
                newMeeting.CompileMan = meeting.CompileMan;
                newMeeting.MeetingContents = meeting.MeetingContents;
                newMeeting.CompileDate = meeting.CompileDate;
                newMeeting.States = meeting.States;
                newMeeting.AttentPersonNum = meeting.AttentPersonNum;
                newMeeting.MeetingHours = meeting.MeetingHours;
                newMeeting.MeetingHostMan = meeting.MeetingHostMan;
                newMeeting.AttentPerson = meeting.AttentPerson;
                newMeeting.MeetingPlace = meeting.MeetingPlace;
                newMeeting.MeetingHostManId = meeting.MeetingHostManId;
                newMeeting.AttentPersonIds = meeting.AttentPersonIds;
                newMeeting.MeetingHostManOther = meeting.MeetingHostManOther;
                db.SubmitChanges();
            }
        }

        /// <summary>
        /// 根据主键删除质量会议
        /// </summary>
        /// <param name="meetingId"></param>
        public static void DeleteMeetingById(string meetingId)
        {
            Model.SGGLDB db = Funs.DB;
            Model.CQMS_Meeting meeting = db.CQMS_Meeting.FirstOrDefault(e => e.MeetingId == meetingId);
            if (meeting != null)
            {
                ///删除编码表记录
                BLL.CodeRecordsService.DeleteCodeRecordsByDataId(meeting.MeetingId);
                ////删除附件表
                BLL.CommonService.DeleteAttachFileById(meeting.MeetingId);
                ////删除流程表
                BLL.CommonService.DeleteFlowOperateByID(meeting.MeetingId);
                db.CQMS_Meeting.DeleteOnSubmit(meeting);
                db.SubmitChanges();
            }
        }
    }
}