Add service exception json formatters and pass through exceptions in HttpRestServiceTransport (#168)v1.9.4

1 files changed, 11 insertions, 0 deletions

diff --git a/src/main/scala/xyz/driver/core/core.scala b/src/main/scala/xyz/driver/core/core.scala
index 14e1b10..72237b9 100644
--- a/src/main/scala/xyz/driver/core/core.scala
+++ b/src/main/scala/xyz/driver/core/core.scala
@@ -3,6 +3,9 @@ package xyz.driver
 import scalaz.{Equal, Monad, OptionT}
 import eu.timepit.refined.api.{Refined, Validate}
 import eu.timepit.refined.collection.NonEmpty
+import xyz.driver.core.rest.errors.ExternalServiceException
+
+import scala.concurrent.{ExecutionContext, Future}
 
 package object core {
 
@@ -54,6 +57,14 @@ package object core {
     def toUnitOptionT: OptionT[H, Unit] =
       OptionT.optionT[H](monadT(monadicValue)(_ => Option(())))
   }
+
+  implicit class FutureExtensions[T](future: Future[T]) {
+    def passThroughExternalServiceException(implicit executionContext: ExecutionContext): Future[T] =
+      future.transform(identity, {
+        case ExternalServiceException(_, _, Some(e)) => e
+        case t: Throwable                            => t
+      })
+  }
 }
 
 package core {