99 lines
4.5 KiB
Swift
99 lines
4.5 KiB
Swift
//
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// SaplingParametersViewController.swift
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// ZcashLightClientSample
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//
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// Created by Francisco Gindre on 10/7/20.
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// Copyright © 2020 Electric Coin Company. All rights reserved.
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//
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import UIKit
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import ZcashLightClientKit
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class SaplingParametersViewController: UIViewController {
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@IBOutlet weak var outputPath: UILabel!
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@IBOutlet weak var spendPath: UILabel!
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@IBOutlet weak var downloadButton: UIButton!
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@IBOutlet weak var deleteButton: UIButton!
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override func viewDidLoad() {
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super.viewDidLoad()
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let spendParamPath = try! spendParamsURLHelper().path
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let outputParamPath = try! outputParamsURLHelper().path
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// Do any additional setup after loading the view.
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self.spendPath.text = spendParamPath
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self.outputPath.text = outputParamPath
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self.updateColor()
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self.spendPath.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(spendPathTapped(_:))))
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self.outputPath.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(outputPathTapped(_:))))
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self.outputPath.isUserInteractionEnabled = true
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self.spendPath.isUserInteractionEnabled = true
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self.updateButtons()
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}
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func updateButtons() {
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let spendParamPath = try! spendParamsURLHelper().path
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let outputParamPath = try! outputParamsURLHelper().path
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self.downloadButton.isHidden = fileExists(outputParamPath) && fileExists(spendParamPath)
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self.deleteButton.isHidden = !(fileExists(outputParamPath) || fileExists(spendParamPath))
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}
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func updateColor() {
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let spendParamPath = try! spendParamsURLHelper().path
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let outputParamPath = try! outputParamsURLHelper().path
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self.spendPath.textColor = fileExists(spendParamPath) ? UIColor.green : UIColor.red
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self.outputPath.textColor = fileExists(outputParamPath) ? UIColor.green : UIColor.red
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}
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@objc func spendPathTapped(_ gesture: UIGestureRecognizer) {
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loggerProxy.event("copied to clipboard:\(self.spendPath.text ?? "")")
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UIPasteboard.general.string = self.spendPath.text
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let alert = UIAlertController(title: "", message: "Path Copied to clipboard", preferredStyle: UIAlertController.Style.alert)
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alert.addAction(UIAlertAction(title: "OK", style: UIAlertAction.Style.default, handler: nil))
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self.present(alert, animated: true, completion: nil)
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}
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@objc func outputPathTapped(_ gesture: UIGestureRecognizer) {
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loggerProxy.event("copied to clipboard:\(self.outputPath.text ?? "")")
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UIPasteboard.general.string = self.outputPath.text
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let alert = UIAlertController(title: "", message: "Path Copied to clipboard", preferredStyle: UIAlertController.Style.alert)
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alert.addAction(UIAlertAction(title: "OK", style: UIAlertAction.Style.default, handler: nil))
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self.present(alert, animated: true, completion: nil)
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}
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@IBAction func download(_ sender: Any) {
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let outputParameter = try! outputParamsURLHelper()
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let spendParameter = try! spendParamsURLHelper()
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SaplingParameterDownloader.downloadParamsIfnotPresent(spendURL: spendParameter, outputURL: outputParameter) { (result) in
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DispatchQueue.main.async { [weak self] in
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guard let self = self else { return }
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switch result {
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case .success(let urls):
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self.spendPath.text = urls.spend.path
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self.outputPath.text = urls.output.path
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self.updateColor()
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self.updateButtons()
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case .failure(let error):
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self.showError(error)
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}
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}
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}
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}
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func fileExists(_ path: String) -> Bool {
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(try? FileManager.default.attributesOfItem(atPath: path)) != nil
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}
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func showError(_ error: Error) {
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let alert = UIAlertController(title: "Download Failed", message: "\(error)", preferredStyle: UIAlertController.Style.alert)
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alert.addAction(UIAlertAction(title: "OK", style: UIAlertAction.Style.default, handler: nil))
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self.present(alert, animated: true, completion: nil)
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}
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@IBAction func deleteFiles(_ sender: Any) {
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let spendParamURL = try! spendParamsURLHelper()
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let outputParamURL = try! outputParamsURLHelper()
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try? FileManager.default.removeItem(at: spendParamURL)
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try? FileManager.default.removeItem(at: outputParamURL)
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self.updateColor()
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self.updateButtons()
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}
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}
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