From 1312b4cb920ff763a8b39e0865b55665375ee2eb Mon Sep 17 00:00:00 2001
From: Dariusz Rybicki <dariusz@elixxir.io>
Date: Tue, 26 Jul 2022 13:39:42 +0100
Subject: [PATCH] Add RestlikeCallback wrapper
---
.../ElixxirDAppsSDK/RestlikeCallback.swift | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Sources/ElixxirDAppsSDK/RestlikeCallback.swift
diff --git a/Sources/ElixxirDAppsSDK/RestlikeCallback.swift b/Sources/ElixxirDAppsSDK/RestlikeCallback.swift
new file mode 100644
index 00000000..1facd9d0
--- /dev/null
+++ b/Sources/ElixxirDAppsSDK/RestlikeCallback.swift
@@ -0,0 +1,44 @@
+import Bindings
+import XCTestDynamicOverlay
+
+public struct RestlikeCallback {
+ public init(handle: @escaping (Result<RestlikeMessage, NSError>) -> Void) {
+ self.handle = handle
+ }
+
+ public var handle: (Result<RestlikeMessage, NSError>) -> Void
+}
+
+extension RestlikeCallback {
+ public static let unimplemented = RestlikeCallback(
+ handle: XCTUnimplemented("\(Self.self)")
+ )
+}
+
+extension RestlikeCallback {
+ func makeBindingsRestlikeCallback() -> BindingsRestlikeCallbackProtocol {
+ class Callback: NSObject, BindingsRestlikeCallbackProtocol {
+ init(_ callback: RestlikeCallback) {
+ self.callback = callback
+ }
+
+ let callback: RestlikeCallback
+
+ func callback(_ p0: Data?, p1: Error?) {
+ if let error = p1 {
+ callback.handle(.failure(error as NSError))
+ } else if let messageData = p0 {
+ do {
+ callback.handle(.success(try RestlikeMessage.decode(messageData)))
+ } catch {
+ callback.handle(.failure(error as NSError))
+ }
+ } else {
+ fatalError("BindingsRestlikeCallback received `nil` message and `nil` error")
+ }
+ }
+ }
+
+ return Callback(self)
+ }
+}
--
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