/// <summary>
/// Create paginated response
/// </summary>
/// <param name="data"></param>
/// <param name="paginationFilter"></param>
/// <param name="totalRecords"></param>
/// <param name="uriService"></param>
/// <param name="route"></param>
/// <typeparam name="T"></typeparam>
/// <returns>Paginated result</returns>
public static PaginatedResult <IEnumerable <T> > CreatePaginatedResponse <T>(IEnumerable <T> data, PaginationFilter paginationFilter, int totalRecords, IUriService uriService, string route)
{
data = data.Skip((paginationFilter.PageNumber - 1) * paginationFilter.PageSize)
.Take(paginationFilter.PageSize);
int roundedTotalPages;
var response =
new PaginatedResult <IEnumerable <T> >(data, paginationFilter.PageNumber, paginationFilter.PageSize);
var totalPages = totalRecords / (double)paginationFilter.PageSize;
if (paginationFilter.PageNumber <= 0 || paginationFilter.PageSize <= 0)
{
roundedTotalPages = 1;
paginationFilter.PageNumber = 1;
paginationFilter.PageSize = 1;
}
else
{
roundedTotalPages = Convert.ToInt32(Math.Ceiling(totalPages));
}
response.NextPage = paginationFilter.PageNumber >= 1 && paginationFilter.PageNumber < roundedTotalPages
? uriService.GeneratePageRequestUri(
new PaginationFilter(paginationFilter.PageNumber + 1, paginationFilter.PageSize), route)
: null;
response.PreviousPage =
paginationFilter.PageNumber - 1 >= 1 && paginationFilter.PageNumber <= roundedTotalPages
? uriService.GeneratePageRequestUri(
new PaginationFilter(paginationFilter.PageNumber - 1, paginationFilter.PageSize), route)
: null;
response.FirstPage =
uriService.GeneratePageRequestUri(new PaginationFilter(1, paginationFilter.PageSize), route);
response.LastPage =
uriService.GeneratePageRequestUri(new PaginationFilter(roundedTotalPages, paginationFilter.PageSize), route);
response.TotalPages = roundedTotalPages;
response.TotalRecords = totalRecords;
return(response);
}
