private static Expression GetLinkOrdering(
Expression sourceEnumerable,
ParameterExpression linkParameter,
Member forwardLink,
IMemberMapperData mapperData)
{
var orderMember =
mapperData.GetOrderMember(linkParameter.Type) ??
mapperData.GetIdentifierOrNull(forwardLink.Type)?.MemberInfo;
if (orderMember == null)
{
return(sourceEnumerable);
}
var orderMemberAccess = Expression.MakeMemberAccess(
(orderMember.DeclaringType != linkParameter.Type)
? forwardLink.GetAccess(linkParameter)
: linkParameter,
orderMember);
return(sourceEnumerable.WithOrderingLinqCall(
nameof(Enumerable.OrderBy),
linkParameter,
orderMemberAccess));
}
public static bool IsEntity(this IMemberMapperData mapperData, Type type, out Member idMember)
{
if (type == null)
{
idMember = null;
return(false);
}
idMember = mapperData.GetIdentifierOrNull(type);
return(idMember?.IsEntityId() == true);
}
public static bool IsEntity(this IMemberMapperData mapperData, Type type, out Member idMember)
{
if ((type == null) ||
type.Name.EndsWith("ViewModel", Ordinal) ||
type.Name.EndsWith("Dto", Ordinal) ||
type.Name.EndsWith("DataTransferObject", Ordinal))
{
idMember = null;
return(false);
}
idMember = mapperData.GetIdentifierOrNull(type);
return(idMember?.IsEntityId() == true);
}
public static MemberInfo GetOrderMember(this IMemberMapperData mapperData, Type type)
{
return(type.GetPublicInstanceMember("Order") ??
type.GetPublicInstanceMember("DateCreated") ??
mapperData.GetIdentifierOrNull(type)?.MemberInfo);
}
