public async Task Handle(MxRecordsPolled message)
{
string domainName = message.Id.ToLower();
MxEntityState state = await LoadState(domainName, nameof(message));
MxState oldState = state.MxState;
int oldRecordCount = state.HostMxRecords?.Count ?? 0;
int newRecordCount = message.Records?.Count ?? 0;
_changeNotifiersComposite.Handle(state, message);
List <HostMxRecord> validHostRecords = new List <HostMxRecord>();
if (message.Records != null)
{
foreach (HostMxRecord hostRecord in message.Records)
{
if (Uri.CheckHostName(hostRecord.Id) != UriHostNameType.Unknown)
{
validHostRecords.Add(hostRecord);
}
else
{
_log.LogInformation($"Erroneous host: {hostRecord.Id} found for domain: {domainName}");
}
}
}
if (message.Error == null)
{
state.HostMxRecords = validHostRecords;
}
state.LastUpdated = message.Timestamp;
state.Error = message.Error;
state.MxState = MxState.Evaluated;
await _dao.Save(state);
_log.LogInformation($"Updated MxEntity from {oldState} to {MxState.Evaluated} and MX records before: {oldRecordCount} after: {newRecordCount} for {domainName}.");
Message mxRecordsUpdated = new MxRecordsUpdated(domainName, validHostRecords);
_dispatcher.Dispatch(mxRecordsUpdated, _mxEntityConfig.SnsTopicArn);
_log.LogInformation($"An MxRecordsUpdated message for Domain: {domainName} has been dispatched to SnsTopic: {_mxEntityConfig.SnsTopicArn}");
// Should probably change this so it only happens for a new host
validHostRecords?.ForEach(mxRecord => {
_dispatcher.Dispatch(new MxHostTestPending(mxRecord.Id), _mxEntityConfig.SnsTopicArn);
_log.LogInformation($"An MxHostTestPending message for Host: {mxRecord.Id} has been dispatched to SnsTopic: {_mxEntityConfig.SnsTopicArn}");
});
Message createScheduledReminder = new CreateScheduledReminder(Guid.NewGuid().ToString(), "Mx", domainName, _clock.GetDateTimeUtc().AddSeconds(_mxEntityConfig.NextScheduledInSeconds));
_dispatcher.Dispatch(createScheduledReminder, _mxEntityConfig.SnsTopicArn);
_log.LogInformation($"A CreateScheduledReminder message for Domain: {domainName} has been dispatched to SnsTopic: {_mxEntityConfig.SnsTopicArn}");
}
public async Task UpdateState(string domain, MxState state)
{
var parameters = new Dictionary <string, object>
{
["domain"] = ReverseUrl(domain),
["mxState"] = state,
["error"] = null,
["lastUpdated"] = null
};
await _saveOperation(MxStateDaoResources.UpsertDomain, parameters);
}