public static void AddPaginationResponseHeaders(
this HttpContext httpContext,
int recordCount,
int pageSize,
int pageIndex
)
{
if (httpContext == null)
{
throw new ArgumentNullException(nameof(httpContext));
}
// calculate total number of pages
int totalPages = (int)Math.Ceiling(recordCount / (double)pageSize);
// also work out if there are previous or next pages
bool hasPrevious = pageIndex > 1;
bool hasNext = pageIndex < totalPages;
var paginationHeader = new PaginationResponseHeader
{
TotalCount = recordCount,
PageIndex = pageIndex,
PageSize = pageSize,
TotalPages = totalPages,
HasPreviousPage = hasPrevious,
HasNextPage = hasNext
};
httpContext.Response.Headers.Add("Pagination", JsonSerializer.Serialize(paginationHeader));
}
public static void AddPagination(this HttpResponse response, PaginationResponseHeader pagination)
{
response.Headers.Add("Pagination", JsonConvert.SerializeObject(pagination));
response.Headers.Add("access-control-expose-headers", "Pagination");
}
