/// <summary>
/// 下移
/// </summary>
/// <param name="identify"></param>
/// <returns></returns>
public bool DownloadOSDown(int orgid, int identify)
{
//当前对象
DownloadOS current = Gateway.Default.From <DownloadOS>().Where(DownloadOS._.Dos_Id == identify).ToFirst <DownloadOS>();
int tax = (int)current.Dos_Tax;
//下一个对象，即弟弟对象；弟弟不存则直接返回false;
DownloadOS next = Gateway.Default.From <DownloadOS>()
.Where(DownloadOS._.Dos_Tax > tax && DownloadOS._.Org_Id == orgid).OrderBy(DownloadOS._.Dos_Tax.Asc).ToFirst <DownloadOS>();
if (next == null)
{
return(false);
}
//交换排序号
current.Dos_Tax = next.Dos_Tax;
next.Dos_Tax = tax;
using (DbTrans tran = Gateway.Default.BeginTrans())
try
{
tran.Save <DownloadOS>(current);
tran.Save <DownloadOS>(next);
tran.Commit();
return(true);
}
catch
{
tran.Rollback();
throw;
}
finally
{
tran.Close();
}
}
/// <summary>
/// 添加下载中的适用系统
/// </summary>
/// <param name="entity">业务实体</param>
public int DownloadOSAdd(DownloadOS entity)
{
object obj = Gateway.Default.Max <DownloadOS>(DownloadOS._.Dos_Tax, DownloadOS._.Dos_Id > -1);
entity.Dos_Tax = obj is int?(int)obj + 1 : 0;
//所在机构
Song.Entities.Organization org = Gateway.Default.From <Organization>().Where(Organization._.Org_ID == entity.Org_Id).ToFirst <Organization>();
if (org != null)
{
entity.Org_Name = org.Org_Name;
}
return(Gateway.Default.Save <DownloadOS>(entity));
}
/// <summary>
/// 修改下载中的适用系统
/// </summary>
/// <param name="entity">业务实体</param>
public void DownloadOSSave(DownloadOS entity)
{
Gateway.Default.Save <DownloadOS>(entity);
}
