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));
}