lspace.services.rest.endpoints.util.MatchParam.scala Maven / Gradle / Ivy

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package lspace.services.rest.endpoints.util

import cats.Applicative
import io.finch.{Endpoint, EndpointResult, Input, Output, Trace}
import shapeless.HNil

class MatchParam[F[_]](name: String)(implicit
                                     F: Applicative[F])
    extends Endpoint[F, HNil] {
  final def apply(input: Input): EndpointResult[F, HNil] = {
    if (input.request.containsParam(name))
      EndpointResult.Matched(
        input,
        Trace.empty,
        F.pure(Output.HNil)
      )
    else EndpointResult.NotMatched[F]
  }
}

object MatchParam {
  def apply[F[_]](name: String)(implicit
                                F: Applicative[F]): MatchParam[F] =
    new MatchParam[F](name)
}