open-TestChatApp-iOS/Shared/ChatListViewModel.swift

//
//  ChatListViewModel.swift
//  Chat
//
//  Created by Sergey Tarasov on 25.07.2022.
//

import Foundation
import XMPPFramework
import XMPPFrameworkSwift

class ChatListViewModel: ObservableObject {
    let xmppController = XMPPController.shared

    @Published var jids: [XMPPJID] = []
    var timer: Timer?

    init() {
        self.timer = Timer.scheduledTimer(
            timeInterval: 2,
            target: self,
            selector: #selector(fetchChatList),
            userInfo: nil,
            repeats: true
        )
    }

    @objc
    public func fetchChatList() {
        if jids.isEmpty {
            let jids = xmppController.xmppRosterStorage.jids(for: self.xmppController.xmppStream)
            self.jids = jids
        } else {
            self.timer?.invalidate()
        }
    }
}