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104 changes: 104 additions & 0 deletions
104
core/src/main/scala/com/thenetcircle/event_bus/story/tasks/http/FirebaseSink.scala
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| /* | ||
| * 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. | ||
| * | ||
| * Contributors: | ||
| * Beineng Ma <[email protected]> | ||
| */ | ||
|
|
||
| package com.thenetcircle.event_bus.story.tasks.http | ||
|
|
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| import akka.http.scaladsl.model.HttpHeader.ParsingResult.Ok | ||
| import akka.http.scaladsl.model.{ContentTypes, HttpEntity, HttpHeader, HttpRequest} | ||
| import com.thenetcircle.event_bus.event.Event | ||
| import com.thenetcircle.event_bus.story.interfaces.ITaskBuilder | ||
| import com.thenetcircle.event_bus.{AppContext, BuildInfo} | ||
| import com.typesafe.config.{Config, ConfigFactory} | ||
|
|
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| case class FirebaseSinkSettings( | ||
| httpSinkSettings: HttpSinkSettings | ||
| ) | ||
|
|
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| class FirebaseSink(val fbSinkSettings: FirebaseSinkSettings) extends HttpSink(fbSinkSettings.httpSinkSettings) { | ||
|
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| override def createHttpRequest(event: Event): HttpRequest = { | ||
| if (!event.hasExtra("objectContent")) { | ||
| throw new IllegalStateException(s"""A event sending to Firebase has not "objectContent", ${event.summary}""") | ||
| } | ||
|
|
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| val requestContentType = ContentTypes.`application/json` | ||
| val requestData = event.getExtra("objectContent").get | ||
|
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| taskLogger.debug(s"created request data: $requestData") | ||
|
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| settings.defaultRequest.withEntity(HttpEntity(requestContentType, requestData)) | ||
| } | ||
|
|
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| } | ||
|
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| class FirebaseSinkBuilder() extends HttpSinkBuilder with ITaskBuilder[FirebaseSink] { | ||
|
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| override val taskType: String = "firebase" | ||
|
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| override def defaultConfig: Config = | ||
| ConfigFactory | ||
| .parseString( | ||
| s"""{ | ||
| | # this could be overwritten by event info later | ||
| | default-request { | ||
| | # uri = "https://fcm.googleapis.com/fcm/send" | ||
| | # auth-key = "" | ||
| | method = POST | ||
| | protocol = "HTTP/1.1" | ||
| | headers { | ||
| | "user-agent": "event-bus/${BuildInfo.version}" | ||
| | } | ||
| | } | ||
| | | ||
| | # set this to be empty, so only check response code | ||
| | expected-response = "" | ||
| | allow-extra-signals = false | ||
| | | ||
| | pool { | ||
| | max-connections = 4 | ||
| | min-connections = 0 | ||
| | max-open-requests = 32 | ||
| | pipelining-limit = 1 | ||
| | idle-timeout = 30 s | ||
| | } | ||
| |}""".stripMargin | ||
| ) | ||
| .withFallback(super[HttpSinkBuilder].defaultConfig) | ||
|
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| override protected def buildHttpRequestFromConfig(config: Config)(implicit appContext: AppContext): HttpRequest = { | ||
| val request = super.buildHttpRequestFromConfig(config) | ||
| val authHeader = HttpHeader.parse("Authorization", s"key=${config.getString("auth-key")}") | ||
| authHeader match { | ||
| case Ok(header, errors) => request.addHeader(header) | ||
| case _ => throw new IllegalArgumentException("Parsing Authorization header failed.") | ||
| } | ||
| } | ||
|
|
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| override def buildTask( | ||
| config: Config | ||
| )(implicit appContext: AppContext): FirebaseSink = | ||
| try { | ||
| require(config.hasPath("default-request.auth-key"), "Authorization Key is required.") | ||
|
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| val fbSinkSettings = FirebaseSinkSettings(httpSinkSettings = createHttpSinkSettings(config)) | ||
| new FirebaseSink(fbSinkSettings) | ||
| } catch { | ||
| case ex: Throwable => | ||
| logger.error(s"Build FirebaseSink failed with error: ${ex.getMessage}") | ||
| throw ex | ||
| } | ||
| } |
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