public async Task <IActionResult> Index(string sortOrder = null, string currentFilter = null,
string searchString = null, int?page = null)
{
ViewData["CurrentSort"] = sortOrder;
ViewData["SortValidFrom"] = string.IsNullOrEmpty(sortOrder) ? "validFrom_desc" : "";
ViewData["SortAmount"] = sortOrder == "amount" ? "amount_desc" : "amount";
ViewData["SortDateDue"] = sortOrder == "due" ? "due_desc" : "due";
ViewData["SortCurrency"] = sortOrder == "currency" ? "currency_desc" : "currency";
ViewData["SortMethod"] = sortOrder == "method" ? "method_desc" : "method";
ViewData["SortValidTo"] = sortOrder == "validTo" ? "validTo_desc" : "validTo";
payments.SortOrder = sortOrder != null && sortOrder.EndsWith("_desc")
? SortOrder.Descending
: SortOrder.Ascending;
payments.SortFunction = getSortFunction(sortOrder);
if (searchString != null)
{
page = 1;
}
else
{
searchString = currentFilter;
}
ViewData["CurrentFilter"] = searchString;
payments.SearchString = searchString;
payments.PageIndex = page ?? 1;
var l = await payments.GetObjectsList();
return(View(new PaymentViewsList(l)));
}