public async Task <IEnumerable <AvailableBookingTermDto> > Handle(GetAvailableBookingTermsQuery request, CancellationToken cancellationToken)
{
var dateFrom = request.DateFrom > DateTime.Now ? request.DateFrom : DateTime.Now;
var duration = await offerRepository.GetOfferDuration(request.FacilityId, request.OfferId);
if (duration == 0)
{
throw new Exception("Offer not found.");
}
var availabilities = await scheduleRepository.GetAllAvailabilities(dateFrom, request.DateTo, request.FacilityId);
var bookedTerms = await bookingRepository.GetBookedTerms(request.FacilityId, dateFrom, request.DateTo);
var employeeIds = availabilities.Select(a => a.EmployeeId).Distinct().ToList(); // TODO: load employee ids from persisted storage after implementation of employee created event
var employeeBookedTerms = bookedTerms.ToLookup(b => b.EmployeeId);
var minutesChunk = 60 / request.BookingRules.HourChunkCount;
var dateConst = dateFrom.Trim(TimeSpan.TicksPerHour);
if (dateConst <= DateTime.Now)
{
dateConst = dateConst.AddMinutes(minutesChunk);
}
var dict = BuildTermDict(duration, availabilities, employeeBookedTerms, minutesChunk, dateConst);
return(BuildResultList(employeeIds, dict).OrderBy(d => d.Date));
}
