private static async Task GenerateCollectionResultValue <T>(ResultExecutingContext context, PageList <T> records, string routName)
{
if (!records.Any() || context.Result is not ObjectResult resultFromAction)
{
return;
}
GeneratePaginationHeader(context, records.TotalCount, records.PageSize, records.CurrentPage, records.TotalPages);
var linkGen = context.HttpContext.RequestServices.GetRequiredService <LinkGenerator>();
// Get resource collection parameter
var paraDesc = context.ActionDescriptor.Parameters.FirstOrDefault(t => t.Name.IsCollectionParameter());
object parameter = null;
if (paraDesc != null && context.Controller is Controller controller)
{
parameter = Activator.CreateInstance(paraDesc.ParameterType);
if (parameter != null)
{
await controller.TryUpdateModelAsync(parameter, paraDesc.ParameterType, "");
}
}
if (parameter is ResourceCollectionParameters collectionResourcePara)
{
var links = records.CreatePaginationLinks(routName, context, linkGen, collectionResourcePara);
resultFromAction.Value = new { value = records.ShapeData(collectionResourcePara.Fields), links };
}
}
