/// <summary>
/// 判断自身父子引用的父级是否合法
/// </summary>
/// <param name="modalcontext"></param>
/// <param name="d"></param>
/// <param name="view"></param>
/// <returns></returns>
private bool IsValidOwnerParent(
IDataUpdateContext modalcontext,
DataIdRefenceAttribute d)
{
object pid = modalcontext.Data.GetPropertyValue(d.SourceFieldName);
if (pid != null && pid is long && (long)pid > 0)
{
long id = (long)modalcontext.Data.GetPropertyValue("Id");
if (id == (long)pid)
{
return(false);
}
if (NormalServiceHelper.IsChildId(modalcontext.ModalType, id, (long)pid, d.SourceFieldName, CurrentSelector))
{
return(false);
}
}
return(true);
}
/// <summary>
/// 检测数据中引用的Id是否存在
/// </summary>
/// <param name="dm"></param>
/// <param name="modalcontext"></param>
/// <param name="d"></param>
/// <param name="view"></param>
/// <returns></returns>
private bool CheckDataIdRefenceIsExists(
IDataModel dm,
IDataUpdateContext modalcontext,
DataIdRefenceAttribute d,
out long rfid)
{
rfid = 0;
IDataSelector view = CurrentSelector;
//获取引用数据的Id值
object refeceId = modalcontext.Data.GetMemberValue(d.SourceFieldName);
if (refeceId != null && (refeceId is long || refeceId is long?))
{
long id = (long)refeceId;
if (id > 0)
{
rfid = id;
//创建引用数据类型的参数
Type refeeType = d.RefenceModalType != null ? d.RefenceModalType : modalcontext.ModalType;
List <string> eqfieldnames = new List <string>();
List <object> eqvalues = new List <object>();
eqfieldnames.Add("Id");
eqvalues.Add(id);
//是否是软删除模型
var refeeDm = refeeType.GetDataModel();
string softdeltekey = refeeDm.GetSoftDeleteFieldName();
if (!string.IsNullOrEmpty(softdeltekey))
{
eqfieldnames.Add(softdeltekey);
eqvalues.Add(false);
}
return(view.GetDataByFieldEqValue(refeeType, eqfieldnames, eqvalues, new string[] { "Id" }) != null);
}
}
//值为null,返回引用正常
return(true);
}
