public async Task <RetrieveBookingsResponse> RetrieveBookings(RetrieveBookingsRequest request)
{
RetrieveBookingsResponse response;
IEnumerable <BookingDetails> items;
using (var db = _provider.GetDatabase())
{
var bookings = db.GetCollection <BookingDetails>("bookings");
items = bookings.FindAll();
}
items = items.Sort(request.SortField, request.SortDescending);
var itemsPerPage = request.ItemsPerPage ?? DEFAULT_ITEMS_PER_PAGE;
var currentIndex = request.PageIndex ?? 0;
var maxItems = itemsPerPage + (itemsPerPage * currentIndex);
var paged = items.Skip(maxItems - itemsPerPage).Take(itemsPerPage);
var lastPageIndex = items.Count() / itemsPerPage;
var prevIndex = currentIndex > 0 ? currentIndex - 1 : (int?)null;
var nextIndex = currentIndex < lastPageIndex ? currentIndex + 1 : (int?)null;
response = new RetrieveBookingsResponse
{
Data = paged,
CurrentPageIndex = currentIndex,
PrevPageIndex = prevIndex,
NextPageIndex = nextIndex
};
return(await Task.FromResult(response));
}
public async void GetBookings_Should_Return_Correctly()
{
var response = new RetrieveBookingsResponse
{
CurrentPageIndex = 123,
NextPageIndex = 456,
PrevPageIndex = 789,
Data = new [] { new BookingDetails() }
};
_bittnRepository.RetrieveBookings(Arg.Any <RetrieveBookingsRequest>()).Returns(response);
var actual = await _service.GetBookings(new GetBookingsRequest());
actual.NextPageIndex.Should().Be(response.NextPageIndex);
actual.PrevPageIndex.Should().Be(response.PrevPageIndex);
actual.Data.Should().BeEquivalentTo(response.Data);
}
