public async Task ProcessMessage(DiscordMessage discordMessage)
{
logger.LogInformation($"MessageProcessor {ProcessorName} received message with id {discordMessage.Id}");
logger.LogInformation($"MessageProcessor {ProcessorName} is handling message with id {discordMessage.Id}");
var isSuccess = await HandleMessage(discordMessage);
if (isSuccess)
{
await metrics.AddCounter($"Discord.{ProcessorName}.Success", 1);
logger.LogInformation($"MessageProcessor {ProcessorName} succesfully handled message with id {discordMessage.Id}");
}
else
{
await metrics.AddCounter($"Discord.{ProcessorName}.Error", 1);
logger.LogInformation($"MessageProcessor {ProcessorName} did not successfully handle message with id {discordMessage.Id}");
}
}
public async void Poll(object sender, ElapsedEventArgs evt)
{
logger.LogInformation($"Polling for messages from queue {QueueUrl}");
ReceiveMessageResponse messages = await ReceiveMessages();
logger.LogInformation($"Got {messages.Messages.Count} messages from queue {QueueUrl}");
await metrics.AddCounter("SQS.MessagesReceived", messages.Messages.Count);
if (messages.Messages.Count > 0)
{
foreach (var message in messages.Messages)
{
var queueMessage = JObject.Parse(message.Body);
var dynamoMessage = queueMessage["Message"].ToString();
logger.LogDebug(dynamoMessage);
var dynamoEvent = Serializer.Deserialize <Record>(new JsonTextReader(new StringReader(dynamoMessage)));
if (dynamoEvent.EventName.Value == "REMOVE")
{
var cleanupMessage = dynamoEvent.Dynamodb.OldImage;
var channelId = ulong.Parse(cleanupMessage["ChannelId"].N);
var messageId = ulong.Parse(cleanupMessage["MessageCleanupTableId"].S);
try {
var channel = await discordClient.GetChannelAsync(channelId);
var discordMessage = await channel.GetMessageAsync(messageId);
await channel.DeleteMessageAsync(discordMessage, "expired link");
logger.LogInformation($"Deleted discord message with id {messageId} from channel {channelId}");
await LogChannel.SendMessageAsync($"Removed message '{messageId}'");
}
catch (NotFoundException ex)
{
logger.LogWarning($"Tried to delete message {messageId} but it was not found and probably already deleted");
}
catch (UnauthorizedException ex)
{
logger.LogError($"Could not delete message {messageId} in channel {channelId} because of lacking permissions");
}
}
await DeleteMessage(message);
logger.LogInformation($"Successfully deleted message with id {message.ReceiptHandle} from queue");
}
}
}
public async Task StartAsync(CancellationToken cancellationToken)
{
logger.LogInformation("Starting the DiscordClient that will receive events");
discordClient.MessageCreated += async(evt) =>
{
await metrics.AddCounter("Discord.MessagesReceived", 1);
await dispatcher.Dispatch(evt.Message);
};
await discordClient.ConnectAsync();
}
