/// <inheritdoc/>
public async Task <long> AddPersonToWorkshop(AddPersonToWorkshopCommand command)
{
var person = _peopleRepository.GetPerson(command.PersonId);
var workshop = _workshopRepository.GetWorkshop(command.WorkshopId);
if (person == null || workshop == null)
{
throw new NotFoundException();
}
else if ((person.CreatedBy != _userInfo.UserId || workshop.CreatedBy != _userInfo.UserId) && !_userInfo.IsAdmin)
{
throw new ResourceIsForbiddenException();
}
var attendees = GetWorkshopAttendees(new GetWorkshopAttendeesQuery(command.WorkshopId));
if (attendees.Any(a => a.Id == command.PersonId))
{
throw new RequestConflictException();
}
await _workshopRepository.IncreaseAttendance(workshop.Id);
return(await _attendanceRepository.AddPersonToWorkshop(command.WorkshopId, command.PersonId));
}