org.http4s.client.dsl.Http4sClientDsl.scala Maven / Gradle / Ivy
/*
* Copyright 2014 http4s.org
*
* 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.
*/
package org.http4s
package client
package dsl
import cats.Applicative
import org.http4s.headers.`Content-Length`
trait Http4sClientDsl[F[_]] {
implicit def http4sClientSyntaxMethod(method: Method): MethodOps[F] =
new MethodOps[F](method)
implicit def http4sHeadersDecoder[T](implicit
F: Applicative[F],
decoder: EntityDecoder[F, T],
): EntityDecoder[F, (Headers, T)] = {
val s = decoder.consumes.toList
EntityDecoder.decodeBy(s.head, s.tail: _*)(resp =>
decoder.decode(resp, strict = true).map(t => (resp.headers, t))
)
}
}
object Http4sClientDsl {
def apply[F[_]]: Http4sClientDsl[F] = new Http4sClientDsl[F] {}
}
class MethodOps[F[_]](private val method: Method) extends AnyVal {
/** Make a [[org.http4s.Request]] using this [[Method]] */
final def apply(uri: Uri, headers: Header.ToRaw*): Request[F] =
Request(method, uri, headers = Headers(headers: _*))
/** Make a [[org.http4s.Request]] using this Method */
final def apply[A](body: A, uri: Uri, headers: Header.ToRaw*)(implicit
w: EntityEncoder[F, A]
): Request[F] = {
val h = w.headers ++ Headers(headers: _*)
val entity = w.toEntity(body)
val newHeaders = entity.length
.map { l =>
`Content-Length`.fromLong(l).fold(_ => h, c => h.put(c))
}
.getOrElse(h)
Request(method = method, uri = uri, headers = newHeaders, body = entity.body)
}
}