How to use

publishWithCorrelationIds

function

in

@dazn/lambda-powertools-sns-client

firehoseProcessor(async (event, context) => {
 console.log(JSON.stringify(event))

 const events = context.parsedFirehoseEvents

 await Promise.all(events.map(evt => {
  evt.correlationIds.set('sns-sender', 'firehose')

  // event has a `logger` attached to it, with the specific correlation IDs for that record
  evt.logger.debug('publishing firehose event as SNS message...', { event: evt })

  const req = {
   Message: JSON.stringify(evt),
   TopicArn: process.env.TOPIC_ARN
  }
  return SNS.publishWithCorrelationIds(evt.correlationIds, req).promise()
 }))
})

DynamoDBProcessor(async (event, context) => {
 const events = context.parsedDynamoDbEvents

 await Promise.all(events.map(async evt => {
  evt.correlationIds.set('sns-sender', 'dynamodb')

  // event has a `logger` attached to it, with the specific correlation IDs for that record
  evt.logger.debug('publishing DynamoDB event as SNS message...', { event: evt })

  const req = {
   Message: JSON.stringify(evt),
   TopicArn: TOPIC_ARN
  }
  await SNS.publishWithCorrelationIds(evt.correlationIds, req).promise()
 }))
})

kinesisProcessor(async (event, context) => {
 const events = context.parsedKinesisEvents

 await Promise.all(events.map(async evt => {
  evt.correlationIds.set('sns-sender', 'kinesis')

  // event has a `logger` attached to it, with the specific correlation IDs for that record
  evt.logger.debug('publishing kinesis event as SNS message...', { event: evt })

  const req = {
   Message: JSON.stringify(evt),
   TopicArn: TOPIC_ARN
  }
  await SNS.publishWithCorrelationIds(evt.correlationIds, req).promise()

  await DynamoDB.putWithCorrelationIds(evt.correlationIds, {
   TableName: TABLE_NAME,
   Item: { Id: uuid() }
  }).promise()
 }))
})

DynamoDBProcessor(async (event, context) => {
 const events = context.parsedDynamoDbEvents

 await Promise.all(events.map(async evt => {
  evt.correlationIds.set('sns-sender', 'dynamodb')

  // event has a `logger` attached to it, with the specific correlation IDs for that record
  evt.logger.debug('publishing DynamoDB event as SNS message...', { event: evt })

  const req = {
   Message: JSON.stringify(evt),
   TopicArn: TOPIC_ARN
  }
  await SNS.publishWithCorrelationIds(evt.correlationIds, req).promise()
 }))
})

firehoseProcessor(async (event, context) => {
 console.log(JSON.stringify(event))

 const events = context.parsedFirehoseEvents

 await Promise.all(events.map(evt => {
  evt.correlationIds.set('sns-sender', 'firehose')

  // event has a `logger` attached to it, with the specific correlation IDs for that record
  evt.logger.debug('publishing firehose event as SNS message...', { event: evt })

  const req = {
   Message: JSON.stringify(evt),
   TopicArn: process.env.TOPIC_ARN
  }
  return SNS.publishWithCorrelationIds(evt.correlationIds, req).promise()
 }))
})

kinesisProcessor(async (event, context) => {
 const events = context.parsedKinesisEvents

 await Promise.all(events.map(async evt => {
  evt.correlationIds.set('sns-sender', 'kinesis')

  // event has a `logger` attached to it, with the specific correlation IDs for that record
  evt.logger.debug('publishing kinesis event as SNS message...', { event: evt })

  const req = {
   Message: JSON.stringify(evt),
   TopicArn: TOPIC_ARN
  }
  await SNS.publishWithCorrelationIds(evt.correlationIds, req).promise()

  await DynamoDB.putWithCorrelationIds(evt.correlationIds, {
   TableName: TABLE_NAME,
   Item: { Id: uuid() }
  }).promise()
 }))
})