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Cache #130

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merged 4 commits into from
Apr 12, 2024
Merged

Cache #130

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79be4f9
Add docker-compose example to configuration
nylonee Apr 12, 2024
eac6a00
Merge branch 'main' of https://github.com/nylonee/watchlistarr
nylonee Apr 12, 2024
3c7e6f9
Add basic cache, 5 second TTL
nylonee Apr 12, 2024
05533e6
scalafmt
nylonee Apr 12, 2024
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46 changes: 24 additions & 22 deletions build.sbt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ val circeVersion = "0.14.6"
val fs2Version = "3.7.0"
val http4sVersion = "0.23.23"
val logbackVersion = "1.4.11"
val scaffeineVersion = "5.2.1"
val scalamockVersion = "5.2.0"
val scalatestVersion = "3.2.17"
val shapelessVersion = "2.3.10"
Expand All @@ -23,28 +24,29 @@ val snakeYamlVersion = "2.2"
val vaultVersion = "3.5.0"

libraryDependencies ++= Seq(
"org.scala-lang" % "scala-library" % scalaVersion.value % "provided",
"ch.qos.logback" % "logback-classic" % logbackVersion % Runtime,
"org.slf4j" % "slf4j-api" % slf4jVersion,
"org.http4s" %% "http4s-ember-client" % http4sVersion,
"org.http4s" %% "http4s-circe" % http4sVersion,
"org.http4s" %% "http4s-client" % http4sVersion,
"org.http4s" %% "http4s-core" % http4sVersion,
"co.fs2" %% "fs2-core" % fs2Version,
"co.fs2" %% "fs2-io" % fs2Version,
"com.chuusai" %% "shapeless" % shapelessVersion,
"io.circe" %% "circe-core" % circeVersion,
"org.typelevel" %% "case-insensitive" % caseInsensitiveVersion,
"org.typelevel" %% "cats-core" % catsCoreVersion,
"org.typelevel" %% "cats-effect" % catsEffectVersion,
"org.typelevel" %% "cats-effect-kernel" % catsEffectKernelVersion,
"org.typelevel" %% "vault" % vaultVersion,
"io.circe" %% "circe-generic" % circeVersion,
"io.circe" %% "circe-generic-extras" % circeGenericExtrasVersion,
"org.yaml" % "snakeyaml" % snakeYamlVersion,
"io.circe" %% "circe-parser" % circeVersion % Test,
"org.scalamock" %% "scalamock" % scalamockVersion % Test,
"org.scalatest" %% "scalatest" % scalatestVersion % Test
"org.scala-lang" % "scala-library" % scalaVersion.value % "provided",
"ch.qos.logback" % "logback-classic" % logbackVersion % Runtime,
"org.slf4j" % "slf4j-api" % slf4jVersion,
"org.http4s" %% "http4s-ember-client" % http4sVersion,
"org.http4s" %% "http4s-circe" % http4sVersion,
"org.http4s" %% "http4s-client" % http4sVersion,
"org.http4s" %% "http4s-core" % http4sVersion,
"co.fs2" %% "fs2-core" % fs2Version,
"co.fs2" %% "fs2-io" % fs2Version,
"com.chuusai" %% "shapeless" % shapelessVersion,
"io.circe" %% "circe-core" % circeVersion,
"org.typelevel" %% "case-insensitive" % caseInsensitiveVersion,
"org.typelevel" %% "cats-core" % catsCoreVersion,
"org.typelevel" %% "cats-effect" % catsEffectVersion,
"org.typelevel" %% "cats-effect-kernel" % catsEffectKernelVersion,
"org.typelevel" %% "vault" % vaultVersion,
"io.circe" %% "circe-generic" % circeVersion,
"io.circe" %% "circe-generic-extras" % circeGenericExtrasVersion,
"org.yaml" % "snakeyaml" % snakeYamlVersion,
"com.github.blemale" %% "scaffeine" % scaffeineVersion % "compile",
"io.circe" %% "circe-parser" % circeVersion % Test,
"org.scalamock" %% "scalamock" % scalamockVersion % Test,
"org.scalatest" %% "scalatest" % scalatestVersion % Test
)

enablePlugins(JavaAppPackaging)
Expand Down
24 changes: 23 additions & 1 deletion src/main/scala/http/HttpClient.scala
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Original file line number Diff line number Diff line change
@@ -1,25 +1,47 @@
package http

import cats.effect.IO
import cats.effect.unsafe.implicits.global
import io.circe.Json
import org.http4s.circe._
import org.http4s.client.middleware.FollowRedirect
import org.http4s.ember.client.EmberClientBuilder
import org.http4s.{Header, Method, Request, Uri}
import org.typelevel.ci.CIString
import com.github.blemale.scaffeine.{AsyncLoadingCache, Scaffeine}

import scala.concurrent.duration._

class HttpClient {

val client = EmberClientBuilder
private val client = EmberClientBuilder
.default[IO]
.build
.map(FollowRedirect(5))

private val cacheTtl = 5.seconds

private val cache: AsyncLoadingCache[(Method, Uri, Option[String], Option[Json]), Either[Throwable, Json]] =
Scaffeine()
.recordStats()
.expireAfterWrite(cacheTtl)
.maximumSize(1000)
.buildAsyncFuture { case (method, url, apiKey, payload) =>
makeHttpRequest(method, url, apiKey, payload).unsafeToFuture()
}

def httpRequest(
method: Method,
url: Uri,
apiKey: Option[String] = None,
payload: Option[Json] = None
): IO[Either[Throwable, Json]] = IO.fromFuture(IO(cache.get(method, url, apiKey, payload)))

private def makeHttpRequest(
method: Method,
url: Uri,
apiKey: Option[String] = None,
payload: Option[Json] = None
): IO[Either[Throwable, Json]] = {
val host = s"${url.host.getOrElse(Uri.Host.unsafeFromString("127.0.0.1")).value}"

Expand Down
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