Extract MonadAsyncError implementations

Extract MonadAsyncError implementations into their own projects to allow
reuse by multiple backends.

2 files changed, 39 insertions, 0 deletions

diff --git a/implementations/cats/src/main/scala/com/softwaremill/sttp/impl/cats/AsyncMonadAsyncError.scala b/implementations/cats/src/main/scala/com/softwaremill/sttp/impl/cats/AsyncMonadAsyncError.scala
new file mode 100644
index 0000000..02f9643
--- /dev/null
+++ b/implementations/cats/src/main/scala/com/softwaremill/sttp/impl/cats/AsyncMonadAsyncError.scala
@@ -0,0 +1,26 @@
+package com.softwaremill.sttp.impl.cats
+
+import _root_.cats.effect.{Async, Effect}
+import com.softwaremill.sttp.MonadAsyncError
+
+import scala.language.higherKinds
+
+class AsyncMonadAsyncError[F[_]](implicit F: Async[F]) extends MonadAsyncError[F] {
+
+  override def async[T](register: ((Either[Throwable, T]) => Unit) => Unit): F[T] =
+    F.async(register)
+
+  override def unit[T](t: T): F[T] = F.pure(t)
+
+  override def map[T, T2](fa: F[T])(f: (T) => T2): F[T2] = F.map(fa)(f)
+
+  override def flatMap[T, T2](fa: F[T])(f: (T) => F[T2]): F[T2] =
+    F.flatMap(fa)(f)
+
+  override def error[T](t: Throwable): F[T] = F.raiseError(t)
+
+  override protected def handleWrappedError[T](rt: F[T])(h: PartialFunction[Throwable, F[T]]): F[T] =
+    F.recoverWith(rt)(h)
+}
+
+class EffectMonadAsyncError[F[_]](implicit F: Effect[F]) extends AsyncMonadAsyncError[F]
diff --git a/implementations/cats/src/test/scala/com/softwaremill/sttp/impl/cats/package.scala b/implementations/cats/src/test/scala/com/softwaremill/sttp/impl/cats/package.scala
new file mode 100644
index 0000000..65be9f2
--- /dev/null
+++ b/implementations/cats/src/test/scala/com/softwaremill/sttp/impl/cats/package.scala
@@ -0,0 +1,13 @@
+package com.softwaremill.sttp.impl
+
+import _root_.cats.effect.IO
+import com.softwaremill.sttp.testing.streaming.ConvertToFuture
+
+import scala.concurrent.Future
+
+package object cats {
+
+  val convertToFuture: ConvertToFuture[IO] = new ConvertToFuture[IO] {
+    override def toFuture[T](value: IO[T]): Future[T] = value.unsafeToFuture()
+  }
+}