From d83acfea87e63d2f6ad5bbea1982642e55a933a2 Mon Sep 17 00:00:00 2001
From: Dariusz Rybicki <dariusz@elixxir.io>
Date: Mon, 8 Aug 2022 11:57:50 +0100
Subject: [PATCH] Add GroupRequest callback

---
 .../Callbacks/GroupRequest.swift              | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Sources/ElixxirDAppsSDK/Callbacks/GroupRequest.swift

diff --git a/Sources/ElixxirDAppsSDK/Callbacks/GroupRequest.swift b/Sources/ElixxirDAppsSDK/Callbacks/GroupRequest.swift
new file mode 100644
index 00000000..a0591f36
--- /dev/null
+++ b/Sources/ElixxirDAppsSDK/Callbacks/GroupRequest.swift
@@ -0,0 +1,37 @@
+import Bindings
+import XCTestDynamicOverlay
+
+public struct GroupRequest {
+  public init(handle: @escaping (Group) -> Void) {
+    self.handle = handle
+  }
+
+  public var handle: (Group) -> Void
+}
+
+extension GroupRequest {
+  public static let unimplemented = GroupRequest(
+    handle: XCTUnimplemented("\(Self.self)")
+  )
+}
+
+extension GroupRequest {
+  func makeBindingsGroupRequest() -> BindingsGroupRequestProtocol {
+    class CallbackObject: NSObject, BindingsGroupRequestProtocol {
+      init(_ callback: GroupRequest) {
+        self.callback = callback
+      }
+
+      let callback: GroupRequest
+
+      func callback(_ g: BindingsGroup?) {
+        guard let bindingsGroup = g else {
+          fatalError("BindingsGroupRequest.handle received `nil` group")
+        }
+        callback.handle(.live(bindingsGroup))
+      }
+    }
+
+    return CallbackObject(self)
+  }
+}
-- 
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