common/scala/src/main/scala/org/apache/openwhisk/common/UserEvents.scala

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package org.apache.openwhisk.common

import pureconfig._
import pureconfig.generic.auto._
import org.apache.openwhisk.core.ConfigKeys
import org.apache.openwhisk.core.connector.{EventMessage, MessageProducer}

object UserEvents {

  case class UserEventsConfig(enabled: Boolean)

  val enabled = loadConfigOrThrow[UserEventsConfig](ConfigKeys.userEvents).enabled

  val userEventTopicPrefix = loadConfigOrThrow[String](ConfigKeys.kafkaTopicsUserEventPrefix)

  def send(producer: MessageProducer, em: => EventMessage) = {
    if (enabled) {
      producer.send(userEventTopicPrefix + "events", em)
    }
  }
}