UsersViewController.swift

// ios/EncryptedChat/UsersViewController.swift:32
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    let userId = Account.shared.userId!
    let userToChatWith = users[tableView.indexPathForSelectedRow!.row]
    let channelId = [userId, userToChatWith].sorted().joined(separator: "-")
    let viewController = segue.destination as! EncryptedChatViewController
    
    let channelPresenter = ChannelPresenter(
        channel: Client.shared.channel(
            type: .messaging,
            id: channelId,
            members: [User(id: userId), User(id: userToChatWith)]
        )
    )
    
    viewController.user = userId
    viewController.otherUser = userToChatWith
    viewController.presenter = channelPresenter
}