Proyectos de Subversion Iphone Microlearning - Nuevo Interface

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//
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//  VideoPlayerView.swift
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//  twogetskills
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//
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//  Created by Efrain Yanez Recanatini on 4/24/22.
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//
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import Foundation
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import SwiftUI
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import AVKit
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import Network
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import Alamofire
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import SwiftyJSON
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struct VideoPlayerView: View {
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    @EnvironmentObject private var appNavigation : AppNavigation
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    @State private var timerActive : Bool = false
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    @State private var isCompleted : Bool = false
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    private let timer = Timer.publish(every: 1, on: .main, in: .common).autoconnect()
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    private var slideModel : SlideModel
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    private var slideTitle : String
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    private var url : URL?
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    private var playerItem : AVPlayerItem
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    private var player : AVPlayer
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    private var appData = AppData.sharedInstance
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    init()
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    {
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        print("urlExternalDownloaded : \(appData.urlExternalDownloaded)")
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        self.url = URL(string: appData.urlExternalDownloaded)
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        let slideDao = SlideDao.sharedInstance
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        self.slideModel = slideDao.selectByUuid(uuid: appData.slideUuidActive)
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        print("videoplayer appData slideUuid : \(appData.slideUuidActive)")
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        print("videoplayer slideModel slideUuid : \(self.slideModel.uuid)")
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        if self.slideModel.name.count > Constants.APP_BAR_TITLE_MAX_LENGTH {
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            slideTitle = String(Array(self.slideModel.name)[0...Constants.APP_BAR_TITLE_MAX_LENGTH]) + "..."
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        } else {
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            slideTitle = self.slideModel.name
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        }
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        let assets = AVURLAsset(url: self.url!)
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        playerItem = AVPlayerItem(asset: assets)
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        let newTime : CMTime = CMTimeMakeWithSeconds(0, preferredTimescale:1)
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        player = AVPlayer(playerItem: playerItem)
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        player.seek(to: newTime)
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    }
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    var body: some View {
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        VStack(spacing: 0) {
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            HStack {
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                Button(action: {
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                    backToGallery()
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                }, label: {
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                    Image(systemName: "chevron.backward")
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                    .frame(width: 32, height: 32, alignment: /*@START_MENU_TOKEN@*/.center/*@END_MENU_TOKEN@*/)
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                    .aspectRatio(contentMode: .fit)
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                    .foregroundColor(Color("color_app_bar_foreground"))
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                })
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                .padding(.leading, 16)
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                Text(self.slideTitle)
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                .font(Font.custom(Config.FONT_NAME_REGULAR, size: Config.FONT_SIZE_APP_BAR_HEAD1 ))
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                .foregroundColor(Color("color_app_bar_foreground"))
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                    .padding(.leading, 4)
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                Spacer()
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            }
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            .background(Color("color_app_bar_background"))
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            .edgesIgnoringSafeArea(.top)
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            .frame(height: 50)
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            Divider()
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            GeometryReader { geometry in
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                VideoPlayer(player: player)
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                .onAppear() {
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                    player.play()
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                }
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                .onDisappear() {
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                    player.pause()
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                }
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                .onReceive(timer, perform: { _ in
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                    let duration =  CMTimeGetSeconds(playerItem.asset.duration)
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                    if duration > 0 {
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                        let currentTime =  CMTimeGetSeconds(playerItem.currentTime())
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                            let diference = duration - currentTime
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                        print("duration: \(duration) currentTime : \(currentTime) diference: \(diference) ")
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                            if diference < 10 {
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                                self.isCompleted = true;
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                            } else if diference <= 0 {
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                                self.isCompleted = true;
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                                self.timer.upstream.connect().cancel()
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                                timerActive = false
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                                backToGallery()
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                            }
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                        }
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                    })
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            }
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        }
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    }
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    private func backToGallery()
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    {
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        if self.url != nil {
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            do {
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                try FileManager.default.removeItem(at: self.url!)
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                       print("Video temporal borrado")
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             } catch {
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                print(error)
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            }
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        }
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        let dataService = DataService()
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        if self.isCompleted {
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            dataService.completeSlide(slide: slideModel)
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        } else {
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            dataService.incompleteSlide(slide: slideModel)
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        }
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        if self.timerActive {
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            self.timer.upstream.connect().cancel()
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        }
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        AppDelegate.orientationLock = UIInterfaceOrientationMask.portrait
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        UIDevice.current.setValue(UIInterfaceOrientation.portrait.rawValue, forKey: "orientation")
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        UIViewController.attemptRotationToDeviceOrientation()
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        appNavigation.pageActive = .home
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    }
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}
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struct VideoPlayerView_Previews: PreviewProvider {
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    static var previews: some View {
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        VideoPlayerView()
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    }
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}
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