private async Task <SpfEntityState> LoadState(string id, string messageType)
{
SpfEntityState state = await _dao.Get(id);
if (state == null)
{
_log.LogError("Ignoring {EventName} as SPF Entity does not exist for {Id}.", messageType, id);
throw new InvalidOperationException(
$"Cannot handle event {messageType} as SPF Entity doesnt exists for {id}.");
}
return(state);
}
public async Task Handle(SpfRecordExpired message)
{
string id = message.Id.ToLower();
SpfEntityState state = await LoadState(id, nameof(message));
Message evnt = state.UpdatePollPending();
state.Version++;
await _dao.Save(state);
_dispatcher.Dispatch(evnt, _spfEntityConfig.SnsTopicArn);
}
public async Task Handle(SpfRecordsEvaluated message)
{
string id = message.Id.ToLower();
SpfEntityState state = await LoadState(id, nameof(message));
_changeNotifierComposite.Handle(state, message);
_domainStatusPublisher.Publish(message);
Message evnt = state.UpdateSpfEvaluation(message.Records, message.DnsQueryCount, message.ElapsedQueryTime,
message.Messages, message.LastUpdated);
state.Version++;
await _dao.Save(state);
_dispatcher.Dispatch(evnt, _spfEntityConfig.SnsTopicArn);
}
public async Task Handle(DomainCreated message)
{
string id = message.Id.ToLower();
SpfEntityState state = await _dao.Get(id);
if (state != null)
{
_log.LogError("Ignoring {EventName} as SpfEntity already exists for {Id}.", nameof(DomainCreated), id);
throw new InvalidOperationException($"Cannot handle event {nameof(DomainCreated)} as SpfEntity already exists for {id}.");
}
state = new SpfEntityState(id, 1, SpfState.Created, DateTime.UtcNow);
await _dao.Save(state);
SpfEntityCreated spfEntityCreated = new SpfEntityCreated(id, state.Version);
_dispatcher.Dispatch(spfEntityCreated, _spfEntityConfig.SnsTopicArn);
_log.LogInformation("Created SpfEntity for {Id}.", id);
}