public static IOrderedEnumerable <MessageRedirect> Sort(this MessageRedirectsCollection source, HttpRequestMessage request, string defaultSortDirection = "desc")
{
var query = request.GetQueryNameValuePairs().ToDictionary(x => x.Key, x => x.Value);
if (!query.TryGetValue("direction", out var direction))
{
direction = defaultSortDirection;
}
if (direction != "asc" && direction != "desc")
{
direction = defaultSortDirection;
}
if (!query.TryGetValue("sort", out var sort))
{
sort = "from_physical_address";
}
if (!SortOptions.Contains(sort))
{
sort = "from_physical_address";
}
if (sort == "to_physical_address")
{
return(direction == "asc" ? source.Redirects.OrderBy(r => r.ToPhysicalAddress) : source.Redirects.OrderByDescending(r => r.ToPhysicalAddress));
}
return(direction == "asc" ? source.Redirects.OrderBy(r => r.FromPhysicalAddress) : source.Redirects.OrderByDescending(r => r.FromPhysicalAddress));
}