diff options
Diffstat (limited to 'src/main/scala/xyz/driver/pdsuicommon/computation/FutureToComputationOps.scala')
-rw-r--r-- | src/main/scala/xyz/driver/pdsuicommon/computation/FutureToComputationOps.scala | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/main/scala/xyz/driver/pdsuicommon/computation/FutureToComputationOps.scala b/src/main/scala/xyz/driver/pdsuicommon/computation/FutureToComputationOps.scala new file mode 100644 index 0000000..c5800dc --- /dev/null +++ b/src/main/scala/xyz/driver/pdsuicommon/computation/FutureToComputationOps.scala @@ -0,0 +1,24 @@ +package xyz.driver.pdsuicommon.computation + +import xyz.driver.pdsuicommon.error.DomainError + +import scala.concurrent.{ExecutionContext, Future} + +final class FutureToComputationOps[T](val self: Future[T]) extends AnyVal { + + def handleDomainError[U, ER](f: PartialFunction[T, U]) + (implicit unsuitableToErrorsResponse: DomainError => ER, + ec: ExecutionContext): Future[Either[ER, U]] = { + self.map { + case x if f.isDefinedAt(x) => Right(f(x)) + case x: DomainError => Left(unsuitableToErrorsResponse(x)) + case x => throw new RuntimeException(s"Can not process $x") + } + } + + def toComputation[U, ER](f: PartialFunction[T, U]) + (implicit unsuitableToErrorsResponse: DomainError => ER, + ec: ExecutionContext): Computation[ER, U] = { + Computation(handleDomainError(f)) + } +} |