Song.ServiceImpls/OutlineCom.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
//using System.Linq;
using WeiSha.Common;
using Song.Entities;

using WeiSha.Data;
using Song.ServiceInterfaces;
using System.Data.Common;
using System.Xml.Serialization;
using System.Threading;
using System.Xml;
using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using System.IO;
using pili_sdk;

namespace Song.ServiceImpls
{
    public class OutlineCom : IOutline
    {
        #region 课程章节管理
        /// <summary>
        /// 添加章节
        /// </summary>
        /// <param name="entity">业务实体</param>
        public void OutlineAdd(Outline entity)
        {
            using (DbTrans tran = Gateway.Default.BeginTrans())
            {
                try
                {
                    if (entity.Org_ID <= 0)
                    {
                        Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
                        if (org != null) entity.Org_ID = org.Org_ID;
                    }
                    //所属专业
                    if (entity.Sbj_ID <= 0 && entity.Cou_ID > 0)
                    {
                        Song.Entities.Course cou = Business.Do<ICourse>().CourseSingle(entity.Cou_ID);
                        entity.Sbj_ID = cou.Sbj_ID;
                    }
                    //计算排序号
                    object obj = tran.Max<Outline>(Outline._.Ol_Tax, Outline._.Cou_ID == entity.Cou_ID && Outline._.Ol_PID == entity.Ol_PID);
                    entity.Ol_Tax = obj is int ? (int)obj + 1 : 1;
                    //唯一id
                    string uid = string.IsNullOrWhiteSpace(entity.Ol_UID) ? WeiSha.Common.Request.UniqueID() : entity.Ol_UID;
                    do
                    {
                        uid = WeiSha.Common.Request.UniqueID();
                    } while (Gateway.Default.Count<Outline>(Outline._.Ol_UID == uid) > 0);
                    entity.Ol_UID = uid;

                    ////层级
                    //entity.Ol_Level = _ClacLevel(entity);
                    //entity.Ol_XPath = _ClacXPath(entity);  
                    //如果是直播章节
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