Zhandos Bolatbekov
117 lines
3.7 KiB
Swift
117 lines
3.7 KiB
Swift
//
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// PurchaseVerifyController.swift
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// OpenVPN
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//
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// Created by Zhandos Bolatbekov on 23.08.2021.
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// Copyright © 2021 Privado LLC. All rights reserved.
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//
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import UIKit
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protocol PurchaseVerifyControllerInput: AnyObject {
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func showLoader(_ show: Bool)
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}
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protocol PurchaseVerifyControllerOutput: AnyObject {
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func viewIsReady()
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}
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final class PurchaseVerifyController: UIViewController, PurchaseVerifyControllerInput {
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private enum Constants {
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enum Color {
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static let background = UIColor(rgb: 0x03072a).withAlphaComponent(0.9)
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static let titleText = UIColor.white
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}
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enum Font {
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static let title = UIFont(name: "SFProText-Regular", size: 21.3)
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}
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enum Geometry {
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static let titleTop: CGFloat = 16
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static let titleHorizontalOffset: CGFloat = 24
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}
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enum LocalizedString {
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static let title = "purchaseVerify.title.processing"
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}
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}
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private let output: PurchaseVerifyControllerOutput
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private var activity: UIActivityIndicatorView?
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// MARK: - Init
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init(output: PurchaseVerifyControllerOutput) {
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self.output = output
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super.init(nibName: nil, bundle: nil)
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}
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required init?(coder: NSCoder) { nil }
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// MARK: - Life-cycle
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override func viewDidLoad() {
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super.viewDidLoad()
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self.configureUI()
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self.output.viewIsReady()
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}
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// MARK: - PurchaseVerifyControllerInput
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func showLoader(_ show: Bool) {
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DispatchQueue.main.async { [weak self] in
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show ? self?.activity?.startAnimating() : self?.activity?.stopAnimating()
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}
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}
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// MARK: - Private
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private func configureUI() {
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self.view.backgroundColor = Constants.Color.background
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var constraints = [NSLayoutConstraint]()
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let activity = self.initActivityIndicator()
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constraints.append(contentsOf: [
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activity.centerXAnchor.constraint(equalTo: self.view.centerXAnchor),
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activity.centerYAnchor.constraint(equalTo: self.view.centerYAnchor)
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])
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let label = self.initTitleLabel()
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constraints.append(contentsOf: [
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label.topAnchor.constraint(equalTo: activity.bottomAnchor,
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constant: Constants.Geometry.titleTop),
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label.centerXAnchor.constraint(equalTo: self.view.centerXAnchor),
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label.leadingAnchor.constraint(equalTo: self.view.leadingAnchor,
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constant: Constants.Geometry.titleHorizontalOffset),
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label.trailingAnchor.constraint(equalTo: self.view.trailingAnchor,
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constant: -Constants.Geometry.titleHorizontalOffset)
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])
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NSLayoutConstraint.activate(constraints)
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}
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private func initActivityIndicator() -> UIActivityIndicatorView {
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let activity = UIActivityIndicatorView(style: .whiteLarge)
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activity.hidesWhenStopped = true
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activity.translatesAutoresizingMaskIntoConstraints = false
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self.activity = activity
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self.view.addSubview(activity)
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return activity
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}
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private func initTitleLabel() -> UILabel {
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let label = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.numberOfLines = 0
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label.textColor = Constants.Color.titleText
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label.font = Constants.Font.title
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label.textAlignment = .center
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label.text = NSLocalizedString(Constants.LocalizedString.title,
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comment: "Processing subscription...")
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self.view.addSubview(label)
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return label
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}
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}
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