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package com.drivergrp.core
import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.model.{HttpRequest, HttpResponse}
import akka.stream.ActorMaterializer
import akka.util.Timeout
import com.drivergrp.core.logging.Logger
import com.drivergrp.core.stats.Stats
import com.drivergrp.core.time.TimeRange
import com.drivergrp.core.time.provider.TimeProvider
import com.github.swagger.akka.model._
import com.github.swagger.akka.{HasActorSystem, SwaggerHttpService}
import com.typesafe.config.Config
import scala.concurrent.duration._
import scala.concurrent.{ExecutionContext, Future}
import scala.language.postfixOps
import scala.util.{Failure, Success}
import scalaz.{Failure => _, Success => _}
object rest {
trait RestService {
def sendRequest(request: HttpRequest): Future[HttpResponse]
}
class AkkaHttpRestService(actorSystem: ActorSystem) extends RestService {
protected implicit val materializer = ActorMaterializer()(actorSystem)
def sendRequest(request: HttpRequest): Future[HttpResponse] =
Http()(actorSystem).singleRequest(request)(materializer)
}
class ProxyRestService(actorSystem: ActorSystem, log: Logger, stats: Stats,
time: TimeProvider, executionContext: ExecutionContext)
extends AkkaHttpRestService(actorSystem) {
protected implicit val timeout = Timeout(5 seconds)
override def sendRequest(request: HttpRequest): Future[HttpResponse] = {
log.audit(s"Sending to ${request.uri} request $request")
val requestTime = time.currentTime()
val response = super.sendRequest(request)
response.onComplete {
case Success(_) =>
val responseTime = time.currentTime()
log.audit(s"Response from ${request.uri} to request $request is successful")
stats.recordStats(Seq("request", request.uri.toString, "success"), TimeRange(requestTime, responseTime), 1)
case Failure(t) =>
val responseTime = time.currentTime()
log.audit(s"Failed to receive response from ${request.uri} to request $request")
log.error(s"Failed to receive response from ${request.uri} to request $request", t)
stats.recordStats(Seq("request", request.uri.toString, "fail"), TimeRange(requestTime, responseTime), 1)
} (executionContext)
response
}
}
import scala.reflect.runtime.universe._
class Swagger(override val host: String,
override val actorSystem: ActorSystem,
override val apiTypes: Seq[Type],
val config: Config) extends SwaggerHttpService with HasActorSystem {
val materializer = ActorMaterializer()(actorSystem)
override val basePath = config.getString("swagger.basePath")
override val apiDocsPath = config.getString("swagger.docsPath")
override val info = Info(
config.getString("swagger.apiInfo.description"),
config.getString("swagger.apiVersion"),
config.getString("swagger.apiInfo.title"),
config.getString("swagger.apiInfo.termsOfServiceUrl"),
contact = Some(Contact(
config.getString("swagger.apiInfo.contact.name"),
config.getString("swagger.apiInfo.contact.url"),
config.getString("swagger.apiInfo.contact.email")
)),
license = Some(License(
config.getString("swagger.apiInfo.license"),
config.getString("swagger.apiInfo.licenseUrl")
)),
vendorExtensions = Map.empty[String, AnyRef])
def swaggerUI = get {
pathPrefix("") {
pathEndOrSingleSlash {
getFromResource("swagger-ui/index.html")
}
} ~ getFromResourceDirectory("swagger-ui")
}
}
}
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