public SignPunchOutCommandValidator(IInvitationValidator invitationValidator, IRowVersionValidator rowVersionValidator)
{
CascadeMode = CascadeMode.Stop;
RuleFor(command => command)
.MustAsync((command, cancellationToken) => BeAnExistingInvitation(command.InvitationId, cancellationToken))
.WithMessage(command =>
$"Invitation with this ID does not exist! Id={command.InvitationId}")
.MustAsync((command, cancellationToken) => BeAnExistingParticipant(command.ParticipantId, command.InvitationId, cancellationToken))
.WithMessage(command =>
$"Participant with ID does not exist on invitation! Id={command.ParticipantId}")
.MustAsync((command, cancellationToken) => BeANonCanceledInvitation(command.InvitationId, cancellationToken))
.WithMessage(command =>
"Invitation is canceled, and thus cannot be signed!")
.Must(command => HaveAValidRowVersion(command.ParticipantRowVersion))
.WithMessage(command =>
$"Participant row version is not valid! ParticipantRowVersion={command.ParticipantRowVersion}")
.MustAsync((command, cancellationToken) => BeASigningParticipantOnIpo(command.InvitationId, command.ParticipantId, cancellationToken))
.WithMessage(command =>
$"Participant is not assigned to sign this IPO! ParticipantId={command.ParticipantId}")
.MustAsync((command, cancellationToken) => BeTheAssignedPersonIfPersonParticipant(command.InvitationId, command.ParticipantId, cancellationToken))
.WithMessage(command =>
"Person signing is not assigned to sign IPO, or there is not a valid functional role on the IPO!")
.MustAsync((command, cancellationToken) => BeUnsignedParticipant(command.ParticipantId, command.InvitationId, cancellationToken))
.WithMessage(command =>
"Participant is already signed!");
async Task <bool> BeAnExistingInvitation(int invitationId, CancellationToken cancellationToken)
=> await invitationValidator.IpoExistsAsync(invitationId, cancellationToken);
async Task <bool> BeANonCanceledInvitation(int invitationId, CancellationToken cancellationToken)
=> !await invitationValidator.IpoIsInStageAsync(invitationId, IpoStatus.Canceled, cancellationToken);
async Task <bool> BeASigningParticipantOnIpo(int invitationId, int participantId, CancellationToken cancellationToken)
=> await invitationValidator.SignerExistsAsync(invitationId, participantId, cancellationToken);
async Task <bool> BeTheAssignedPersonIfPersonParticipant(int invitationId, int participantId, CancellationToken cancellationToken)
=> await invitationValidator.CurrentUserIsValidSigningParticipantAsync(invitationId, participantId, cancellationToken);
async Task <bool> BeAnExistingParticipant(int participantId, int invitationId, CancellationToken cancellationToken)
=> await invitationValidator.ParticipantExistsAsync(participantId, invitationId, cancellationToken);
async Task <bool> BeUnsignedParticipant(int participantId, int invitationId, CancellationToken cancellationToken)
=> !await invitationValidator.ParticipantIsSignedAsync(participantId, invitationId, cancellationToken);
bool HaveAValidRowVersion(string rowVersion)
=> rowVersionValidator.IsValid(rowVersion);
}