iAdvize SDK - iOS Custom Chat button

gistfile1.swift

class CustomerClass {
    func updateChatButton() {
        guard IAdvizeSDK.shared.activationStatus == .activated else {
            hideChatButton()
            return
        }

        guard !IAdvizeSDK.shared.conversationController.isChatboxPresented() else {
            hideChatButton()
            return
        }

        guard IAdvizeSDK.shared.targetingController.hasOngoingConversation ||
              IAdvizeSDK.shared.targetingController.isActiveTargetingRuleAvailable else {
            hideChatButton()
            return
        }

        print("Showing Chat button.")

        // Keep a track that the button was displayed to display it again when the chatbox
        // will be dismissed.
        displayChatButton = true

        // Be sure that the Chat Button isn't already displayed or,
        // if it's the case, be sure that we update his superview.
        // Otherwise, do nothing.
        guard chatButtonView.superview == nil else {
            chatButtonView.superview?.bringSubviewToFront(chatButtonView)
            return
        }

        guard let view = UIWindow.key else {
            print("Oops. It seems that we can't find any view to display the chat button. Please specify a view or a window when calling `showChatButton()`")
            return
        }

        chatButtonView.removeFromSuperview()
        view.addSubview(chatButtonView)
        chatButtonView.installConstraints()
    }
    
    
    func iAdvizeLogout() {
        IAdvizeSDK.shared.logout()
        updateChatButton()
    }
    
    func hideChatButton() {
        print("Hiding Chat button.")

        // Keep a track that the button was hidden to not display it when the chatbox
        // will be dismissed.
        displayChatButton = false

        // When the button is set to be explicitly hidden we remove it from its superview because
        // it can be added to another view when shown later.
        chatButtonView.removeFromSuperview()
    }
}
    
extension CustomerClass: TargetingControllerSdkDelegate {
    func activeTargetingRuleDidUpdate(with id: UUID?) {
      updateChatButton()
    }

    func activeTargetingRuleAvailabilityDidUpdate(isActiveTargetingRuleAvailable: Bool) {
      updateChatButton()
    }
}

extension CustomerClass: ConversationControllerSdkDelegate {
    func ongoingConversationStatusDidChange(hasOngoingConversation: Bool) {
      updateChatButton()
    }
}