serverless-sam/lib/events/StreamEventConverter.js

Serverless framework plugin to export AWS SAM templates for a service

/*
 * Copyright 2017 Stefano Buliani (@sapessi)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict'

class StreamEventConverter {
  constructor(serverless) {
    this.eventType = null;
    this.serverless = serverless;
  }

  getEventType() {
    return this.eventType;
  }

  convertEvent(event, targetResourceName) {
    this.eventType = event.type.charAt(0).toUpperCase() + event.type.slice(1);
    let streamEvent = {
        Stream: event.arn
    };

    if (event.startingPosition) {
      streamEvent["StartingPosition"] = event.startingPosition;
    }

    if (event.batchSize) {
      streamEvent["BatchSize"] = event.batchSize;
    }

    return {
      event: streamEvent,
      resources: {}
    };
  }
}

module.exports = StreamEventConverter;