iAdvize iOS SDK - Custom Chat Button

customChatButton.swift

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

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

    guard IAdvizeSDK.shared.targetingController.ongoingConversation() != nil ||
      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: TargetingControllerDelegate {
  func activeTargetingRuleAvailabilityDidUpdate(isActiveTargetingRuleAvailable: Bool) {
    // SDK active rule availability changed to isActiveTargetingRuleAvailable
    updateChatButton()
  }
}
    
extension CustomerClass: ConversationControllerDelegate {
  func ongoingConversationUpdated(ongoingConversation: IAdvizeConversationSDK.OngoingConversation?) {
    // SDK ongoing conversation status changed
    updateChatButton()
  }
  func didReceiveNewMessage(content: String) {
    // A new message was received via the SDK
  }
  func conversationController(_ controller: ConversationController, shouldOpen url: URL) -> Bool {
    // A message link was tapped, return true if you want your app to handle it
  }
}