public static string GetJoiner <E, D>()
{
Type firstType = typeof(E);
string secondName;
Type secondType = typeof(D);
secondName = secondType.Name;
BasicList <PropertyInfo> thisList = firstType.GetPublicPropertiesWithAttribute <ForeignKeyAttribute>().ToBasicList();
BasicList <PropertyInfo> newList = thisList.Where(items =>
{
ForeignKeyAttribute thisKey = items.GetCustomAttribute <ForeignKeyAttribute>() !;
if (thisKey.ClassName == secondName)
{
return(true);
}
return(false);
}).ToBasicList();
if (newList.Count == 0)
{
throw new CustomBasicException($"No Key Found Linking {secondName}");
}
if (newList.Count > 1)
{
throw new CustomBasicException($"Duplicate Key Found Linking {secondName}");
}
PropertyInfo thisProp = newList.Single();
ColumnAttribute thisCol = thisProp.GetCustomAttribute <ColumnAttribute>() !;
if (thisCol == null)
{
return(thisProp.Name);
}
return(thisCol.ColumnName);
}
