public string Post([FromBody] SlackEventDto data)
{
var result = data?.Challenge;
var sender = _slackService.Users?[data.Event?.User];
if (sender?.is_bot ?? true)
{
return(result);
}
_slackService.ProceedReceviedMessage(sender.id, data.Event.Text);
return(result);
}
public async Task ProcessEvent(SlackEventDto slackEventDto)
{
if (slackEventDto.Type != "event_callback")
{
return;
}
string eventData = slackEventDto.EventRaw.Value.ToString();
EventType eventType = ParseEventType(eventData);
if (eventType.SubType == "channel_join")
{
return;
}
switch (eventType.Type)
{
// team_join and user_change use same event type, TeamJoinEventDto.
case "team_join":
SlackEventFullDto <TeamJoinEventDto> teamJoinEvent = MapSlackEventObject <TeamJoinEventDto>(slackEventDto, eventData);
await ProcessTeamJoinEvent(teamJoinEvent);
break;
case "user_change":
SlackEventFullDto <TeamJoinEventDto> userChangeEvent = MapSlackEventObject <TeamJoinEventDto>(slackEventDto, eventData);
await ProcessUserChangeEvent(userChangeEvent);
break;
case "message":
SlackEventFullDto <MessageChannelsEventDto> messageEvent = MapSlackEventObject <MessageChannelsEventDto>(slackEventDto, eventData);
await ProcessMessageEvent(messageEvent);
break;
// manage user technologie through reaction events
case "reaction_added":
SlackEventFullDto <ReactionEventDto> reactionAddedEvent = MapSlackEventObject <ReactionEventDto>(slackEventDto, eventData);
await ProcessReactionAddedEvent(reactionAddedEvent);
break;
case "reaction_removed":
SlackEventFullDto <ReactionEventDto> reactionRemovedEvent = MapSlackEventObject <ReactionEventDto>(slackEventDto, eventData);
await ProcessReactionRemovedEvent(reactionRemovedEvent);
break;
default:
break;
}
}
private SlackEventFullDto <T> MapSlackEventObject <T>(SlackEventDto slackEventDto, string innerEventData)
{
SlackEventFullDto <T> slackEventFullDto = new SlackEventFullDto <T>();
slackEventFullDto.ApiAppId = slackEventDto.ApiAppId;
slackEventFullDto.AuthedUsers = slackEventDto.AuthedUsers;
slackEventFullDto.EventId = slackEventDto.EventId;
slackEventFullDto.EventTime = slackEventDto.EventTime;
slackEventFullDto.TeamId = slackEventDto.TeamId;
slackEventFullDto.Token = slackEventDto.Token;
slackEventFullDto.Type = slackEventFullDto.Type;
slackEventFullDto.Event = JsonConvert.DeserializeObject <T>(innerEventData);
return(slackEventFullDto);
}
public async Task <ActionResult> RecieveEvent([FromBody] SlackEventDto slackEventDto)
{
if (await _slackRequestValidator.IsValid(Request))
{
var eventType = slackEventDto.Type;
if (eventType == "url_verification")
{
var urlVerificationResponseDto = new UrlVerificationResponseDto {
challenge = slackEventDto.Challenge
};
return(Ok(urlVerificationResponseDto));
}
await _messageQueue.SendMessageAsync(slackEventDto, "event");
return(Ok());
}
return(BadRequest());
}
/// <summary>
/// Message to process incoming messages from service bus queue.
/// </summary>
/// <param name="message"></param>
/// <param name="token"></param>
/// <returns></returns>
private async Task ProcessMessagesAsync(Microsoft.Azure.ServiceBus.Message message, CancellationToken token)
{
try
{
string messageBody = Encoding.UTF8.GetString(message.Body);
switch (message.Label)
{
case "command":
SlackCommandDto slackCommandDto = JsonConvert.DeserializeObject <SlackCommandDto>(messageBody);
await _commandHandler.ProcessCommand(slackCommandDto);
await _queueClient.CompleteAsync(message.SystemProperties.LockToken);
break;
case "event":
SlackEventDto slackEventDto = JsonConvert.DeserializeObject <SlackEventDto>(messageBody);
await _eventHandler.ProcessEvent(slackEventDto);
await _queueClient.CompleteAsync(message.SystemProperties.LockToken);
break;
case "projectpost":
await _apiEventHandler.ProcessProjectPost(messageBody);
await _queueClient.CompleteAsync(message.SystemProperties.LockToken);
break;
case "registration":
RegistrationDto registration = JsonConvert.DeserializeObject <RegistrationDto>(messageBody);
await _apiEventHandler.ProcessRegistration(registration);
await _queueClient.CompleteAsync(message.SystemProperties.LockToken);
break;
case "feedback":
FeedbackDto feedback = JsonConvert.DeserializeObject <FeedbackDto>(messageBody);
await _apiEventHandler.ProcessFeedback(feedback);
await _queueClient.CompleteAsync(message.SystemProperties.LockToken);
break;
default:
_logger.LogWarning($"No label associated with message:{message.SystemProperties.SequenceNumber}");
break;
}
;
_logger.LogInformation($"Processed message: SequenceNumber:{message.SystemProperties.SequenceNumber}");
}
catch (Exception ex)
{
// failed to process message, mark as Abandoned
_logger.LogError(ex, $"Error processing message: SequenceNumber:{message.SystemProperties.SequenceNumber}");
await _queueClient.DeadLetterAsync(message.SystemProperties.LockToken);
}
}