passepartout-apple/Passepartout-iOS/Scenes/ProviderPoolViewController....

213 lines
6.6 KiB
Swift

//
// ProviderPoolViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 6/12/18.
// Copyright (c) 2019 Davide De Rosa. All rights reserved.
//
// https://github.com/passepartoutvpn
//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
import Passepartout_Core
private class PoolModel {
let title: String
var poolsByGroup: [PoolGroup: [Pool]] = [:]
private(set) var sortedGroups: [PoolGroup] = []
var isEmpty: Bool {
return sortedGroups.isEmpty
}
init(title: String) {
self.title = title
}
func addPool(_ p: Pool) {
let group = p.group()
if var existingPools = poolsByGroup[group] {
existingPools.append(p)
poolsByGroup[group] = existingPools
} else {
poolsByGroup[group] = [p]
}
}
func sort() {
sortedGroups = poolsByGroup.keys.sorted()
}
}
protocol ProviderPoolViewControllerDelegate: class {
func providerPoolController(_: ProviderPoolViewController, didSelectPool pool: Pool)
}
class ProviderPoolViewController: UIViewController {
@IBOutlet private weak var tableView: UITableView!
private var models: [PoolModel] = []
private var currentPool: Pool?
weak var delegate: ProviderPoolViewControllerDelegate?
func setPools(_ pools: [Pool], currentPoolId: String?) {
let freeModel = PoolModel(title: L10n.Provider.Pool.Sections.Free.header)
let paidModel = PoolModel(title: L10n.Provider.Pool.Sections.Paid.header)
for p in pools {
if p.isFree ?? false {
freeModel.addPool(p)
} else {
paidModel.addPool(p)
}
if p.id == currentPoolId {
currentPool = p
}
}
freeModel.sort()
paidModel.sort()
models = []
if !freeModel.isEmpty {
models.append(freeModel)
}
if !paidModel.isEmpty {
models.append(paidModel)
}
}
// MARK: UIViewController
override func awakeFromNib() {
super.awakeFromNib()
applyDetailTitle(Theme.current)
}
override func viewDidLoad() {
super.viewDidLoad()
title = L10n.Service.Cells.Provider.Pool.caption
tableView.reloadData()
if let ip = selectedIndexPath {
tableView.selectRowAsync(at: ip)
}
}
}
// MARK: -
extension ProviderPoolViewController: UITableViewDataSource, UITableViewDelegate {
private var selectedIndexPath: IndexPath? {
for (i, model) in models.enumerated() {
for entries in model.poolsByGroup.enumerated() {
guard let _ = entries.element.value.firstIndex(where: { $0.id == currentPool?.id }) else {
continue
}
guard let row = model.sortedGroups.firstIndex(of: entries.element.key) else {
continue
}
return IndexPath(row: row, section: i)
}
}
return nil
}
func numberOfSections(in tableView: UITableView) -> Int {
return models.count
}
func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
guard models.count > 1 else {
return nil
}
let model = models[section]
return model.title
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
let model = models[section]
return model.sortedGroups.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let model = models[indexPath.section]
let group = model.sortedGroups[indexPath.row]
let groupPools = model.poolsByGroup[group]!
guard let pool = groupPools.first else {
fatalError("Empty pools in group \(group)")
}
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.imageView?.image = pool.logo
cell.leftText = pool.localizedCountry
if groupPools.count > 1 {
cell.rightText = pool.area?.uppercased()
cell.accessoryType = .detailDisclosureButton // no checkmark!
} else {
cell.rightText = pool.areaId?.uppercased()
}
cell.isTappable = true
return cell
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
let model = models[indexPath.section]
let group = model.sortedGroups[indexPath.row]
let groupPools = model.poolsByGroup[group]!
guard let pool = groupPools.first else {
fatalError("Empty pools in group \(group)")
}
currentPool = pool
delegate?.providerPoolController(self, didSelectPool: pool)
}
func tableView(_ tableView: UITableView, accessoryButtonTappedForRowWith indexPath: IndexPath) {
let model = models[indexPath.section]
let group = model.sortedGroups[indexPath.row]
let groupPools = model.poolsByGroup[group]!
guard let pool = groupPools.first else {
fatalError("Empty pools in group \(group)")
}
guard groupPools.count > 1 else {
return
}
let vc = OptionViewController<Pool>()
vc.title = pool.localizedCountry
vc.options = groupPools.sorted {
guard let lnum = $0.num, let ln = Int(lnum) else {
return true
}
guard let rnum = $1.num, let rn = Int(rnum) else {
return false
}
return ln < rn
}
vc.selectedOption = currentPool
vc.descriptionBlock = { $0.areaId ?? "" } // XXX: fail gracefully
vc.selectionBlock = {
self.currentPool = $0
self.delegate?.providerPoolController(self, didSelectPool: $0)
}
navigationController?.pushViewController(vc, animated: true)
}
}