/// <summary>
/// 数据验证
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="dr">DataRow</param>
internal static void Validate <T>(this DataRow dr) where T : BaseEntity, new()
{
if (dr.RowState == DataRowState.Deleted)
{
return;
}
string ClassName = typeof(T).Name;
if (!DataCache.AttributeCache.TryGetValue(ClassName, out var PropAttrs))
{
return;
}
List <PropertyInfo> props = MemberInfoEx.GetPropertyCache <T>();
List <ErrorInfo> Errs = new List <ErrorInfo>();
foreach (PropertyInfo prop in props)
{
if (!PropAttrs.TryGetValue(prop.Name, out var attributes))
{
continue;
}
foreach (CustomBaseAttribute attr in attributes)
{
if (attr is FieldAttribute FieldAttr)
{
string FieldName = string.IsNullOrEmpty(DataCache.CustomNameCache[ClassName + "|" + prop.Name])
? prop.Name
: DataCache.CustomNameCache[ClassName + "|" + prop.Name];
string Value = dr[prop.GetCustomName()] + "";
if (string.IsNullOrEmpty(Value) && !FieldAttr.Empty)
{
Errs.Add(new ErrorInfo(FieldName, "不能为空!"));
}
if (FieldAttr.Length > 0)
{
if (Value.Length > FieldAttr.Length)
{
Errs.Add(new ErrorInfo(FieldName, string.IsNullOrEmpty(FieldAttr.ErrorMessage)
? "长度超出限定范围,范围:" + FieldAttr.Length
: FieldAttr.ErrorMessage));
}
}
}
}
}
if (Errs.Count > 0)
{
throw new SqlFieldsException(Errs);
}
}
/// <summary>
/// Получить словарь атрибутов свойств
/// </summary>
private static Dictionary <string, PropAttrs> GetPropAttrsDict(Localization.Dict dict)
{
Dictionary <string, PropAttrs> propAttrsDict = new Dictionary <string, PropAttrs>();
foreach (string phraseKey in dict.Phrases.Keys)
{
string phraseVal = dict.Phrases[phraseKey];
int dotPos = phraseKey.IndexOf('.');
if (0 < dotPos && dotPos < phraseKey.Length - 1)
{
// если точка в середине ключа фразы, то слева от точки - имя свойства, справа - имя атрибута
string propName = phraseKey.Substring(0, dotPos);
string attrName = phraseKey.Substring(dotPos + 1);
bool attrAssigned = true;
PropAttrs propAttrs;
if (!propAttrsDict.TryGetValue(propName, out propAttrs))
{
propAttrs = new PropAttrs();
}
if (attrName == "DisplayName")
{
propAttrs.DisplayName = phraseVal;
}
else if (attrName == "Category")
{
propAttrs.Category = phraseVal;
}
else if (attrName == "Description")
{
propAttrs.Description = phraseVal;
}
else
{
attrAssigned = false;
}
if (attrAssigned)
{
propAttrsDict[propName] = propAttrs;
}
}
}
return(propAttrsDict);
}
/// <summary>
/// Builds a dictionary that contains attribute values accessed by property name.
/// </summary>
private static Dictionary <string, PropAttrs> BuildPropAttrsDict(LocaleDict dict)
{
Dictionary <string, PropAttrs> propAttrsDict = new Dictionary <string, PropAttrs>();
foreach (string phraseKey in dict.Phrases.Keys)
{
string phraseVal = dict.Phrases[phraseKey];
int dotIdx = phraseKey.IndexOf('.');
if (0 < dotIdx && dotIdx < phraseKey.Length - 1)
{
// PropertyName.AttributeName
string propName = phraseKey.Substring(0, dotIdx);
string attrName = phraseKey.Substring(dotIdx + 1);
bool itemFound = propAttrsDict.TryGetValue(propName, out PropAttrs propAttrs);
if (!itemFound)
{
propAttrs = new PropAttrs();
propAttrsDict.Add(propName, propAttrs);
}
if (attrName == "DisplayName")
{
propAttrs.DisplayName = phraseVal;
}
else if (attrName == "Category")
{
propAttrs.Category = phraseVal;
}
else if (attrName == "Description")
{
propAttrs.Description = phraseVal;
}
}
}
return(propAttrsDict);
}
