Files

127 lines
4.0 KiB
Swift

//
// ConnectionPanelPresenter.swift
// PrivadoVPN
//
// Created by Juraldinio on 1/31/21.
// Copyright © 2021 Privado LLC. All rights reserved.
//
import Foundation
enum ConnectionPanelState: Equatable {
case undefined
case connecting
case connected(ip: String, secured: Bool)
case disconnecting
case disconnected(ip: String, city: String, country: String)
case reconnecting
}
protocol ConnectionPanelOutput: AnyObject {
var updateEmitter: Emitter<Void> { get }
func connectServer()
func disconnectServer()
func update(for panel: ConnectionPanelInput)
func navigate(to route: Route)
}
protocol ConnectionPanelInput {
func update(state: ConnectionPanelState)
}
final class ConnectionPanelPresenter {
private enum Constants {
enum LocalizedString {
static let connecting = "connection.status.connecting"
static let connected = "connection.status.connected"
static let disconnecting = "connection.status.disconnecting"
static let disconnected = "connection.status.disconnected"
static let reconnecting = "connection.status.reconnecting"
}
}
private weak var output: ConnectionPanelOutput?
weak var viewInput: ConnectionPanelViewInput?
private var state: ConnectionPanelState = .undefined
// MARK: - Init
init(output: ConnectionPanelOutput?) {
self.output = output
self.output?.updateEmitter.addReaction { [weak self] _ -> ShouldContinueReceiveNotifications in
guard let self = self else { return false }
self.output?.update(for: self)
return true
}
}
}
// MARK: - ConnectionPanelInput
extension ConnectionPanelPresenter: ConnectionPanelInput {
func update(state: ConnectionPanelState) {
self.state = state
guard let viewInput = self.viewInput else { return }
switch state {
case .undefined:
viewInput.hide()
case .connecting:
viewInput.interactionEnabled(false)
viewInput.progress(status: NSLocalizedString(Constants.LocalizedString.connecting, comment: ""), type: .connecting)
case .disconnecting:
viewInput.interactionEnabled(false)
viewInput.progress(status: NSLocalizedString(Constants.LocalizedString.disconnecting, comment: ""), type: .disconnecting)
case let .connected(ip: ip, secured: secured):
viewInput.location(connected: true,
ip: "IP \(ip)",
city: "",
secured: secured,
status: NSLocalizedString(Constants.LocalizedString.connected, comment: ""))
viewInput.interactionEnabled(true)
self.output?.navigate(to: .show)
case let .disconnected(ip: ip, city: city, country: country):
viewInput.location(connected: false,
ip: "IP \(ip)",
city: city.isEmpty ? country : "\(city), \(CountryResolver.code(from: country))",
secured: false,
status: NSLocalizedString(Constants.LocalizedString.disconnected, comment: ""))
viewInput.interactionEnabled(true)
case .reconnecting:
viewInput.interactionEnabled(false)
viewInput.progress(status: NSLocalizedString(Constants.LocalizedString.reconnecting, comment: ""), type: .reconnecting)
}
}
}
// MARK: - ConnectionPanelViewOutput
extension ConnectionPanelPresenter: ConnectionPanelViewOutput {
func viewIsReady() {
self.output?.update(for: self)
}
func viewWillDisappear() { }
func viewConnectButtonClicked() {
switch self.state {
case .connected:
self.output?.disconnectServer()
case .disconnected:
self.output?.connectServer()
default: break
}
}
}