AWSTemplateFormatVersion: '2010-09-09'
Outputs:
  S3Bucket:
    Description: The S3 Bucket where the files are stored
    Value:
      Ref: S3FileStorage
  DynamoDBTableArn:
    Description: The ARN of your DynamoDB Table
    Value:
      Fn::GetAtt:
      - DynamoDBTable
      - Arn
  DynamoDBTableStreamArn:
    Description: The ARN of your DynamoDB Table Stream
    Value:
      Fn::GetAtt:
      - DynamoDBTable
      - StreamArn
Parameters:
  TableName:
    AllowedPattern: ^[A-Za-z]+$
    ConstraintDescription: Required parameter. Must be characters only. No numbers allowed.
    Description: (Required) The name of the new DynamoDB table you want to create and save to. Minimum 3 characters
    MaxLength: 50
    Default: yourTableName
    MinLength: 3
    Type: String
Resources:
  LambdaSave:
    Type: AWS::Serverless::Function
    Properties:
      Environment:
        Variables:
          TABLE_NAME:
            Ref: TableName
          PRIMARY_KEY:
            Fn::Sub: ${TableName}Id
      Handler: index.handler
      Policies:
      - Statement:
        - Action:
          - dynamodb:GetItem
          - dynamodb:DeleteItem
          - dynamodb:PutItem
          - dynamodb:Scan
          - dynamodb:Query
          - dynamodb:UpdateItem
          - dynamodb:BatchWriteItem
          - dynamodb:BatchGetItem
          Resource:
            Fn::Sub:
            - arn:${AWS::Partition}:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${tableName}
            - tableName:
                Ref: TableName
          Effect: Allow
      CodeUri:
        Bucket: <%REPO_BUCKET%>
        Key: 8aaad0a6-d8fd-4bbe-b85e-49de11742aea
      Runtime: nodejs10.x
      Events:
        S3BucketEvent:
          Type: S3
          Properties:
            Bucket:
              Ref: S3FileStorage
            Events: s3:ObjectCreated:*
  DynamoDBTable:
    Type: AWS::DynamoDB::Table
    Properties:
      KeySchema:
      - KeyType: HASH
        AttributeName:
          Fn::Sub: ${TableName}Id
      StreamSpecification:
        StreamViewType: NEW_AND_OLD_IMAGES
      TableName:
        Ref: TableName
      AttributeDefinitions:
      - AttributeName:
          Fn::Sub: ${TableName}Id
        AttributeType: S
      ProvisionedThroughput:
        WriteCapacityUnits: 1
        ReadCapacityUnits: 1
  S3FileStorage:
    Type: AWS::S3::Bucket
    Properties:
      NotificationConfiguration:
        LambdaConfigurations:
        - Function:
            Fn::GetAtt:
            - LambdaSave
            - Arn
          Event: s3:ObjectCreated:*
    DependsOn:
    - LambdaSaveS3BucketEventPermission
Transform: AWS::Serverless-2016-10-31