public static void AddPagination(this HttpResponse response, int currentPage, int itemsPerPage, int totalItems, int totalPages)
{
var paginationHeader = new PagingHeader(currentPage, itemsPerPage, totalItems, totalPages);
var camelCaseFormmater = new JsonSerializerSettings();
camelCaseFormmater.ContractResolver = new CamelCasePropertyNamesContractResolver();
response.Headers.Add("Pagination", JsonConvert.SerializeObject(paginationHeader, camelCaseFormmater));
response.Headers.Add("Access-Control-Expose-Headers", "Pagination");
}
private async Task LoadData(string location = null)
{
isLoading = true;
StateHasChanged();
await Task.Delay(100);
var url = Url;
_UrlManager.Uri = _NavigationManager.Uri;
string page = _UrlManager.GetQueryParm("page");
if (_UrlManager.Query.isNOEOW() || page.isNOEOW())
{
if (location.isNOEOW() && isFirstRender)
{
url = $"{url}?page=1&pageSize={PageSize}&req_s=1";
}
else if (location.isNOEOW())
{
url = $"{url}?page=1&pageSize={PageSize}&req_s=2";
}
else if (page.isNOEOW())
{
url = $"{url}?page=1&pageSize={PageSize}&req_s=3";
}
else
{
_UrlManager.AddQueryParm("pageSize", PageSize.ToString());
url = $"{url}{_UrlManager.GetQueryString(location)}";
}
}
else
{
if (page.isNumberic())
{
CurrentPage = int.Parse(page);
if (CurrentPage < 1)
{
CurrentPage = 1;
}
}
_UrlManager.AddQueryParm("pageSize", PageSize.ToString());
url = $"{url}{_UrlManager.GetQueryString()}";
}
try
{
var response = await _api.GetList(url);
if (response == null || response.Data == null)
{
Items = new List <T>();
PagingHeader = new PagingHeader();
}
else
{
Items = _Items = response.Data;
PagingHeader = response.Paging;
}
} catch (Exception e)
{
PagingHeader = new PagingHeader();
Items = new List <T>();
Console.WriteLine(e.Message);
}
isLoading = false;
StateHasChanged();
}
