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TelegramUI/NavigateToChatController.swift

@@ -0,0 +1,19 @@
+import Foundation
+import Display
+import TelegramCore
+import Postbox
+
+func navigateToChatController(navigationController: NavigationController, account: Account, peerId: PeerId) {
+    var found = false
+    for controller in navigationController.viewControllers {
+        if let controller = controller as? ChatController, controller.peerId == peerId {
+            navigationController.popToViewController(controller, animated: true)
+            found = true
+            break
+        }
+    }
+    
+    if !found {
+        navigationController.pushViewController(ChatController(account: account, peerId: peerId))
+    }
+}