Comment: State Machine used for text to speech workflow
Version: '1.0'
StartAt: MapInput
States:
  MapInput:
    Type: Pass
    Next: SendToTextract
    Parameters:
      id.$: $.id
      bucket.$: $.detail.bucket.name
      key.$: $.detail.object.key
      time.$: $.time
      region.$: $.region
    ResultPath: $
  SendToTextract:
    Type: Task
    Resource: 'arn:aws:states:::lambda:invoke.waitForTaskToken'
    OutputPath: $.Payload
    Parameters:
      Payload:
        id.$: $.id
        bucket.$: $.bucket
        key.$: $.key
        time.$: $.time
        region.$: $.region
        tasktokenid.$: $$.Task.Token
      FunctionName: '${SendToTextractFunction}'
    Retry:
      - ErrorEquals:
          - Lambda.ServiceException
          - Lambda.AWSLambdaException
          - Lambda.SdkClientException
        IntervalSeconds: 2
        MaxAttempts: 6
        BackoffRate: 2
    Next: ProcessTextAndSendToPolly
    Catch:
      - ErrorEquals:
          - States.ALL
        Comment: Catch Step Failure
        Next: PublishFail
  PublishFail:
    Type: Task
    Resource: 'arn:aws:states:::sns:publish'
    Parameters:
      Message.$: $
      TopicArn: '${FailureTopic}'
    Next: Fail
  Fail:
    Type: Fail
  ProcessTextAndSendToPolly:
    Type: Task
    Resource: 'arn:aws:states:::lambda:invoke.waitForTaskToken'
    OutputPath: $.Payload
    Parameters:
      Payload:
        id.$: $.id
        pollytasktokenid.$: $$.Task.Token
      FunctionName: '${ProcessTextAndSendToPollyFunction}'
    Retry:
      - ErrorEquals:
          - Lambda.ServiceException
          - Lambda.AWSLambdaException
          - Lambda.SdkClientException
        IntervalSeconds: 2
        MaxAttempts: 6
        BackoffRate: 2
    Next: PublishResults
    Catch:
      - ErrorEquals:
          - States.ALL
        Next: PublishFail
  PublishResults:
    Type: Task
    Resource: 'arn:aws:states:::lambda:invoke'
    OutputPath: $.Payload
    Parameters:
      Payload.$: $
      FunctionName: '${PublishResultsFunction}'
    Retry:
      - ErrorEquals:
          - Lambda.ServiceException
          - Lambda.AWSLambdaException
          - Lambda.SdkClientException
        IntervalSeconds: 2
        MaxAttempts: 6
        BackoffRate: 2
    Next: PublishSuccess
    Catch:
      - ErrorEquals:
          - States.ALL
        Next: PublishFail
  PublishSuccess:
    Type: Task
    Resource: 'arn:aws:states:::sns:publish'
    Parameters:
      Message:
        id.$: $.id
        bucket.$: $.bucket
        key.$: $.key
        pollyoutputuri.$: $.pollyoutputuri
        soundfileurl.$: "States.Format('{}{}', '${FunctionUrl}', $.id)"
      TopicArn: '${SuccessTopic}'
    Next: Success
    Catch:
      - ErrorEquals:
          - States.ALL
        Next: PublishFail
  Success:
    Type: Succeed