public async Task <string> Handle(CreateParticipationCommand request, CancellationToken cancellationToken)
{
var tournamentNavigation =
await _readTournamentRepository.GetOneTournamentNavigationById(request.TournamentId);
if (tournamentNavigation is null)
{
throw new NotFoundException(request.TournamentId.ToString(), "Tournament");
}
var stepNavigation = await _readStepRepository.GetOneStepNavigationById(request.StepId);
if (stepNavigation is null)
{
throw new NotFoundException(request.StepId.ToString(), "Step");
}
var teamNavigation = await _readTeamRepository
.GetOneTeamNavigationByIdAsync(request.TeamId);
if (teamNavigation is null)
{
throw new NotFoundException(request.TeamId.ToString(), "Team");
}
if (await _readParticipationRepository.ParticipationExistsByTournamentStepTeamIds(request.TournamentId,
request.StepId, request.TeamId))
{
throw new ApplicationException(
$"Participation for team : {request.TeamId} on tournament : {request.TournamentId} on step : {request.StepId} already exists");
}
if (!await CanAddParticipation(request.TeamId, request.TournamentId, request.StepId))
{
throw new ApplicationException("Participation cannot be created, finish previous first");
}
var team = new TeamEntity(new TeamId(request.TeamId),
teamNavigation.MembersIds.Select(memberId => new UserId(memberId)).ToList());
var step = new StepEntity(new StepId(request.StepId),
stepNavigation.TournamentsIds.Select(tournamentId => new TournamentId(tournamentId)).ToList());
var tournament =
new TournamentEntity(new TournamentId(request.TournamentId), tournamentNavigation.IsPublished);
var participation = ParticipationAggregate.CreateNew(await _participationRepository.NextIdAsync(), team,
tournament, step, _timeService.Now());
await _participationRepository.SetAsync(participation);
return(participation.Id.ToString());
}
private static StepSessionEntity ToStepSessionEntity(StepEntity step, IList <TestNavigation> tests) =>