public async Task <ActionResult <PaginationResult <CommentDto> > > GetComments(
[FromQuery] long thread,
[FromQuery] int?page,
[FromQuery] long?highlight
)
{
var total = await _commentsRepo.CountComments(thread);
// If a highlight has been requested, get the page on which the highlighted comment would be.
// If not, simply return the requested page or the first page if requested page is null.
// `highlight - 1` offsets the fact, that the requested IDs start from 1, not 0
var p = highlight.HasValue
? (int)Math.Ceiling((double)(total - (highlight - 1)) / _ogmaConfig.CommentsPerPage)
: Math.Max(1, page ?? 1);
// Send auth data
Response.Headers.Add("X-Authenticated", (User?.Identity?.IsAuthenticated ?? false).ToString());
return(new PaginationResult <CommentDto>
{
Elements = await _commentsRepo.GetPaginated(thread, p, _ogmaConfig.CommentsPerPage),
Total = total,
Page = p,
Pages = (int)Math.Ceiling((double)total / _ogmaConfig.CommentsPerPage),
PerPage = _ogmaConfig.CommentsPerPage
});
}