Song.ServiceImpls/OutlineCom.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;

using WeiSha.Common;
using Song.Entities;

using WeiSha.Data;
using Song.ServiceInterfaces;
using System.Data.Common;
using System.Xml.Serialization;

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)
        {
            Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
            if (org != null) entity.Org_ID = org.Org_ID;                

            //计算排序号
            object obj = Gateway.Default.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;
            if (string.IsNullOrWhiteSpace(entity.Ol_UID))
                entity.Ol_UID = WeiSha.Common.Request.UniqueID();
            //层级
            entity.Ol_Level = _ClacLevel(entity);
            entity.Ol_XPath = _ClacXPath(entity);
            Gateway.Default.Save<Outline>(entity);
        }
        /// <summary>
        /// 批量添加章节，可用于导入时
        /// </summary>
        /// <param name="orgid">机构id</param>
        /// <param name="sbjid">专业id</param>
        /// <param name="couid">课程（或课程）id</param>
        /// <param name="names">名称，可以是用逗号分隔的多个名称</param>
        /// <returns></returns>
        public Outline OutlineBatchAdd(int orgid, int sbjid, int couid, string names)
        {
            //整理名称信息
            names = names.Replace("，", ",");
            List<string> listName = new List<string>();
            foreach (string s in names.Split(','))
                if (s.Trim() != "") listName.Add(s.Trim());
            //
            int pid = 0;
            Song.Entities.Outline last = null;
            for (int i = 0; i < listName.Count; i++)
            {
                Song.Entities.Outline current = OutlineIsExist(orgid, sbjid, couid, pid, listName[i]);
                if (current == null)
                {