forked from http4s/http4s
/
RequestGenerator.scala
33 lines (27 loc) · 1.05 KB
/
RequestGenerator.scala
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package org.http4s.client.impl
import cats._
import org.http4s._
import org.http4s.headers.`Content-Length`
sealed trait RequestGenerator extends Any {
def method: Method
}
trait EmptyRequestGenerator[F[_]] extends Any with RequestGenerator {
/** Make a [[org.http4s.Request]] using this [[Method]] */
final def apply(uri: Uri, headers: Header*)(implicit F: Applicative[F]): F[Request[F]] =
F.pure(Request(method, uri, headers = Headers(headers.toList)))
}
trait EntityRequestGenerator[F[_]] extends Any with EmptyRequestGenerator[F] {
/** Make a [[org.http4s.Request]] using this Method */
final def apply[A](body: A, uri: Uri, headers: Header*)(
implicit F: Applicative[F],
w: EntityEncoder[F, A]): F[Request[F]] = {
val h = w.headers ++ Headers(headers.toList)
val entity = w.toEntity(body)
val newHeaders = entity.length
.map { l =>
`Content-Length`.fromLong(l).fold(_ => h, c => h.put(c))
}
.getOrElse(h)
F.pure(Request(method = method, uri = uri, headers = newHeaders, body = entity.body))
}
}