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package com.malliina
import scala.concurrent.{ExecutionContext, Future}
import scala.util.control.NonFatal
package object concurrent {
implicit class FutureOps[T](fut: Future[T]) {
def recoverAll[U >: T](fix: Throwable => U)(implicit ec: ExecutionContext): Future[U] =
fut.recover { case NonFatal(t) =>
fix(t)
}
def recoverWithAll[U >: T](
fix: Throwable => Future[U]
)(implicit ec: ExecutionContext): Future[U] =
fut.recoverWith { case NonFatal(t) =>
fix(t)
}
def orElse[U >: T](other: => Future[U])(implicit ec: ExecutionContext) =
recoverWithAll(_ => other)
def exists(predicate: T => Boolean)(implicit ec: ExecutionContext): Future[Boolean] =
fut.map(predicate).recoverAll(_ => false)
def isDefined(implicit ec: ExecutionContext) = fut.exists(_ => true)
}
}