public async Task <IActionResult> Index(string currentFilter, int?pageNumber)
{
var vm = new HistoryViewModel
{
CurrentFilter = currentFilter,
PageNumber = pageNumber ?? 1,
PageSize = 10,
WebPages = (!string.IsNullOrEmpty(currentFilter))
? await _webPageService.GetWebPagesAsync(currentFilter)
: await _webPageService.GetWebPagesAsync()
};
return(View(vm));
}