From d5bd13ea67b8bdd8e3edfe102d179d358ddc428c Mon Sep 17 00:00:00 2001
From: Dariusz Rybicki <dariusz@elixxir.io>
Date: Thu, 28 Jul 2022 19:40:29 +0100
Subject: [PATCH] Add SingleUseCallback
---
.../Callbacks/SingleUseCallback.swift | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Sources/ElixxirDAppsSDK/Callbacks/SingleUseCallback.swift
diff --git a/Sources/ElixxirDAppsSDK/Callbacks/SingleUseCallback.swift b/Sources/ElixxirDAppsSDK/Callbacks/SingleUseCallback.swift
new file mode 100644
index 00000000..99a4cf1f
--- /dev/null
+++ b/Sources/ElixxirDAppsSDK/Callbacks/SingleUseCallback.swift
@@ -0,0 +1,44 @@
+import Bindings
+import XCTestDynamicOverlay
+
+public struct SingleUseCallback {
+ public init(handle: @escaping (Result<SingleUseCallbackReport, NSError>) -> Void) {
+ self.handle = handle
+ }
+
+ public var handle: (Result<SingleUseCallbackReport, NSError>) -> Void
+}
+
+extension SingleUseCallback {
+ public static let unimplemented = SingleUseCallback(
+ handle: XCTUnimplemented("\(Self.self)")
+ )
+}
+
+extension SingleUseCallback {
+ func makeBindingsSingleUseCallback() -> BindingsSingleUseCallbackProtocol {
+ class CallbackObject: NSObject, BindingsSingleUseCallbackProtocol {
+ init(_ callback: SingleUseCallback) {
+ self.callback = callback
+ }
+
+ let callback: SingleUseCallback
+
+ func callback(_ callbackReport: Data?, err: Error?) {
+ if let error = err {
+ callback.handle(.failure(error as NSError))
+ } else if let callbackReport = callbackReport {
+ do {
+ callback.handle(.success(try SingleUseCallbackReport.decode(callbackReport)))
+ } catch {
+ callback.handle(.failure(error as NSError))
+ }
+ } else {
+ fatalError("BindingsSingleUseCallback received `nil` callbackReport and `nil` error")
+ }
+ }
+ }
+
+ return CallbackObject(self)
+ }
+}
--
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