public IActionResult GetBarbecues([FromQuery] BarbecueResourceFilters filter)
{
var barbecues = barbecueRepository.Get(filter);
AddPaginationMetadataHeader(urlHelper, Response, barbecues, filter);
return(Ok(Mapper.Map <List <BarbecueDto> >(barbecues)));
}
public PagedList <Barbecue> Get(BarbecueResourceFilters filter)
{
var collectionBeforePaging = context.Barbecues
.Include(x => x.Participants)
.OrderByDescending(x => x.Date)
.AsQueryable();
if (!string.IsNullOrEmpty(filter.SearchTerm))
{
var titleForWhereClause = filter.SearchTerm.Trim().ToLowerInvariant();
collectionBeforePaging = collectionBeforePaging
.Where(b => b.Title.Trim().ToLowerInvariant().Contains(titleForWhereClause));
}
return(PagedList <Barbecue> .Create(collectionBeforePaging, filter));
}
public static void AddPaginationMetadataHeader(
IUrlHelper urlHelper,
HttpResponse response,
PagedList <Barbecue> barbecues,
BarbecueResourceFilters filter
)
{
var previousPageLink = barbecues.HasPrevious ?
CreateBarbecuesResourceUri(urlHelper, filter, ResourceUriType.PreviousPage) : null;
var nextPageLink = barbecues.HasNext ?
CreateBarbecuesResourceUri(urlHelper, filter, ResourceUriType.NextPage) : null;
var paginationMetadata = new
{
totalCount = barbecues.TotalCount,
pageSize = barbecues.PageSize,
currentPage = barbecues.CurrentPage,
totalPages = barbecues.TotalPages,
previousPageLink = previousPageLink,
nextPageLink = nextPageLink
};
response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(paginationMetadata));
}
