public override async Task <object> ProcessMessageAsync(S3EventNotification message, ILambdaContext context)
{
LogInfo(JsonConvert.SerializeObject(message));
// Use S3EventNotification to get location of the file which was uploaded
var key = message.Records[0].S3.Object.Key;
var bucketName = message.Records[0].S3.Bucket.Name;
// Read S3 object contents
var objectContents = await _s3Client.GetObjectAsync(bucketName, key);
// Separate messages by line ending
String contents = null;
using (var reader = new System.IO.StreamReader(objectContents.ResponseStream)){
contents = reader.ReadToEnd();
}
// Use BatchInsertMessagesAsync from the Messages.Tables library to write messages to DynamoDB
await _table.BatchInsertMessagesAsync(GetMessages(contents.Split('\n'), bucketName));
return(null);
}
public override async Task <object> ProcessMessageAsync(S3EventNotification message, ILambdaContext context)
{
LogInfo(JsonConvert.SerializeObject(message));
// Use S3EventNotification to get location of the file which was uploaded
var bucket = message.Records[0].S3.Bucket.Name;
var key = message.Records[0].S3.Object.Key;
// Read S3 object contents
var request = new GetObjectRequest {
BucketName = bucket,
Key = key
};
var text = "";
using (GetObjectResponse response = await _s3Client.GetObjectAsync(request))
using (Stream responseStream = response.ResponseStream)
using (StreamReader reader = new StreamReader(responseStream)){
text = await reader.ReadToEndAsync();
}
// Separate messages by line ending
var splitText = text.Split('\n');
// Use BatchInsertMessagesAsync from the Messages.Tables library to write messages to DynamoDB
var messages = new List <Message>();
for (int i = 0; i < splitText.Length; i++)
{
LogInfo(splitText[i]);
var msg = new Message();
msg.Source = "S3";
msg.Text = splitText[i];
messages.Add(msg);
}
await _table.BatchInsertMessagesAsync(messages);
return(null);
}