mirror of
https://github.com/leiurayer/downkyi.git
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687 lines
24 KiB
C#
687 lines
24 KiB
C#
using DownKyi.Core.BiliApi.BiliUtils;
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using DownKyi.Core.BiliApi.VideoStream;
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using DownKyi.Core.Logging;
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using DownKyi.Core.Settings;
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using DownKyi.CustomControl;
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using DownKyi.Events;
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using DownKyi.Images;
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using DownKyi.Services;
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using DownKyi.Services.Download;
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using DownKyi.Utils;
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using DownKyi.ViewModels.Dialogs;
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using DownKyi.ViewModels.PageViewModels;
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using Prism.Commands;
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using Prism.Events;
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using Prism.Regions;
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using Prism.Services.Dialogs;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows;
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namespace DownKyi.ViewModels
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{
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public class ViewVideoDetailViewModel : BaseViewModel
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{
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public const string Tag = "PageVideoDetail";
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private readonly IDialogService dialogService;
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#region 页面属性申明
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private VectorImage arrowBack;
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public VectorImage ArrowBack
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{
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get => arrowBack;
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set => SetProperty(ref arrowBack, value);
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}
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private string inputText;
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public string InputText
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{
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get => inputText;
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set => SetProperty(ref inputText, value);
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}
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private GifImage loading;
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public GifImage Loading
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{
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get => loading;
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set => SetProperty(ref loading, value);
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}
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private Visibility loadingVisibility;
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public Visibility LoadingVisibility
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{
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get => loadingVisibility;
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set => SetProperty(ref loadingVisibility, value);
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}
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private VectorImage downloadManage;
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public VectorImage DownloadManage
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{
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get => downloadManage;
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set => SetProperty(ref downloadManage, value);
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}
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private VideoInfoView videoInfoView;
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public VideoInfoView VideoInfoView
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{
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get => videoInfoView;
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set => SetProperty(ref videoInfoView, value);
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}
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private ObservableCollection<VideoSection> videoSections;
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public ObservableCollection<VideoSection> VideoSections
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{
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get => videoSections;
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set => SetProperty(ref videoSections, value);
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}
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private bool isSelectAll;
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public bool IsSelectAll
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{
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get => isSelectAll;
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set => SetProperty(ref isSelectAll, value);
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}
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private Visibility contentVisibility;
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public Visibility ContentVisibility
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{
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get => contentVisibility;
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set => SetProperty(ref contentVisibility, value);
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}
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private Visibility noDataVisibility;
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public Visibility NoDataVisibility
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{
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get => noDataVisibility;
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set => SetProperty(ref noDataVisibility, value);
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}
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#endregion
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public ViewVideoDetailViewModel(IEventAggregator eventAggregator, IDialogService dialogService) : base(eventAggregator)
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{
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this.dialogService = dialogService;
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#region 属性初始化
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// 初始化loading gif
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Loading = new GifImage(Properties.Resources.loading);
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Loading.StartAnimate();
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LoadingVisibility = Visibility.Collapsed;
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ArrowBack = NavigationIcon.Instance().ArrowBack;
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ArrowBack.Fill = DictionaryResource.GetColor("ColorTextDark");
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DownloadManage = ButtonIcon.Instance().DownloadManage;
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DownloadManage.Height = 24;
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DownloadManage.Width = 24;
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DownloadManage.Fill = DictionaryResource.GetColor("ColorPrimary");
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VideoSections = new ObservableCollection<VideoSection>();
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#endregion
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}
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#region 命令申明
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// 返回
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private DelegateCommand backSpaceCommand;
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public DelegateCommand BackSpaceCommand => backSpaceCommand ?? (backSpaceCommand = new DelegateCommand(ExecuteBackSpace));
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/// <summary>
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/// 返回
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/// </summary>
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private void ExecuteBackSpace()
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{
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NavigationParam parameter = new NavigationParam
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{
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ViewName = ParentView,
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ParentViewName = null,
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Parameter = null
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};
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eventAggregator.GetEvent<NavigationEvent>().Publish(parameter);
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}
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// 前往下载管理页面
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private DelegateCommand downloadManagerCommand;
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public DelegateCommand DownloadManagerCommand => downloadManagerCommand ?? (downloadManagerCommand = new DelegateCommand(ExecuteDownloadManagerCommand));
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/// <summary>
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/// 前往下载管理页面
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/// </summary>
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private void ExecuteDownloadManagerCommand()
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{
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NavigationParam parameter = new NavigationParam
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{
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ViewName = ViewDownloadManagerViewModel.Tag,
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ParentViewName = Tag,
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Parameter = null
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};
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eventAggregator.GetEvent<NavigationEvent>().Publish(parameter);
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}
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// 输入确认事件
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private DelegateCommand inputCommand;
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public DelegateCommand InputCommand => inputCommand ?? (inputCommand = new DelegateCommand(ExecuteInputCommand, CanExecuteInputCommand));
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/// <summary>
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/// 处理输入事件
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/// </summary>
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private async void ExecuteInputCommand()
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{
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InitView();
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try
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{
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await Task.Run(() =>
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{
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if (InputText == null || InputText == string.Empty) { return; }
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LogManager.Debug(Tag, $"InputText: {InputText}");
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// 更新页面
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UnityUpdateView(UpdateView, InputText, null);
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// 是否自动解析视频
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if (SettingsManager.GetInstance().IsAutoParseVideo() == AllowStatus.YES)
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{
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PropertyChangeAsync(ExecuteParseAllVideoCommand);
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}
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});
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}
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catch (Exception e)
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{
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Core.Utils.Debugging.Console.PrintLine("InputCommand()发生异常: {0}", e);
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LogManager.Error(Tag, e);
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LoadingVisibility = Visibility.Collapsed;
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ContentVisibility = Visibility.Collapsed;
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NoDataVisibility = Visibility.Visible;
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}
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}
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/// <summary>
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/// 输入事件是否允许执行
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/// </summary>
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/// <returns></returns>
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private bool CanExecuteInputCommand()
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{
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return LoadingVisibility != Visibility.Visible;
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}
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// 复制封面事件
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private DelegateCommand copyCoverCommand;
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public DelegateCommand CopyCoverCommand => copyCoverCommand ?? (copyCoverCommand = new DelegateCommand(ExecuteCopyCoverCommand));
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/// <summary>
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/// 复制封面事件
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/// </summary>
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private void ExecuteCopyCoverCommand()
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{
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// 复制封面图片到剪贴板
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Clipboard.SetImage(VideoInfoView.Cover);
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LogManager.Info(Tag, "复制封面图片到剪贴板");
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}
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// 复制封面URL事件
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private DelegateCommand copyCoverUrlCommand;
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public DelegateCommand CopyCoverUrlCommand => copyCoverUrlCommand ?? (copyCoverUrlCommand = new DelegateCommand(ExecuteCopyCoverUrlCommand));
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/// <summary>
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/// 复制封面URL事件
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/// </summary>
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private void ExecuteCopyCoverUrlCommand()
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{
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// 复制封面url到剪贴板
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Clipboard.SetText(VideoInfoView.CoverUrl);
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LogManager.Info(Tag, "复制封面url到剪贴板");
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}
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// 前往UP主页事件
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private DelegateCommand upperCommand;
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public DelegateCommand UpperCommand => upperCommand ?? (upperCommand = new DelegateCommand(ExecuteUpperCommand));
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/// <summary>
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/// 前往UP主页事件
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/// </summary>
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private void ExecuteUpperCommand()
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{
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NavigateToView.NavigateToViewUserSpace(eventAggregator, Tag, VideoInfoView.UpperMid);
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}
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// 视频章节选择事件
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private DelegateCommand<object> videoSectionsCommand;
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public DelegateCommand<object> VideoSectionsCommand => videoSectionsCommand ?? (videoSectionsCommand = new DelegateCommand<object>(ExecuteVideoSectionsCommand));
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/// <summary>
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/// 视频章节选择事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteVideoSectionsCommand(object parameter)
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{
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if (!(parameter is VideoSection section)) { return; }
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bool isSelectAll = true;
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foreach (VideoPage page in section.VideoPages)
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{
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if (!page.IsSelected)
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{
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isSelectAll = false;
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break;
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}
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}
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IsSelectAll = section.VideoPages.Count != 0 && isSelectAll;
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}
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// 视频page选择事件
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private DelegateCommand<object> videoPagesCommand;
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public DelegateCommand<object> VideoPagesCommand => videoPagesCommand ?? (videoPagesCommand = new DelegateCommand<object>(ExecuteVideoPagesCommand));
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/// <summary>
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/// 视频page选择事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteVideoPagesCommand(object parameter)
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{
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if (!(parameter is ObservableCollection<object> videoPages)) { return; }
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VideoSection section = VideoSections.FirstOrDefault(item => item.IsSelected);
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if (section == null) { return; }
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IsSelectAll = section.VideoPages.Count == videoPages.Count && section.VideoPages.Count != 0;
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}
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// Ctrl+A 全选事件
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private DelegateCommand<object> keySelectAllCommand;
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public DelegateCommand<object> KeySelectAllCommand => keySelectAllCommand ?? (keySelectAllCommand = new DelegateCommand<object>(ExecuteKeySelectAllCommand));
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/// <summary>
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/// Ctrl+A 全选事件
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/// </summary>
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private void ExecuteKeySelectAllCommand(object parameter)
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{
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if (!(parameter is VideoSection section)) { return; }
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foreach (VideoPage page in section.VideoPages)
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{
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page.IsSelected = true;
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}
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}
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// 全选事件
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private DelegateCommand<object> selectAllCommand;
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public DelegateCommand<object> SelectAllCommand => selectAllCommand ?? (selectAllCommand = new DelegateCommand<object>(ExecuteSelectAllCommand));
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/// <summary>
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/// 全选事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteSelectAllCommand(object parameter)
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{
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if (!(parameter is VideoSection section)) { return; }
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if (IsSelectAll)
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{
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foreach (VideoPage page in section.VideoPages)
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{
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page.IsSelected = true;
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}
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}
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else
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{
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foreach (VideoPage page in section.VideoPages)
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{
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page.IsSelected = false;
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}
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}
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}
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// 解析视频流事件
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private DelegateCommand<object> parseCommand;
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public DelegateCommand<object> ParseCommand => parseCommand ?? (parseCommand = new DelegateCommand<object>(ExecuteParseCommand, CanExecuteParseCommand));
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/// <summary>
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/// 解析视频流事件
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/// </summary>
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/// <param name="parameter"></param>
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private async void ExecuteParseCommand(object parameter)
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{
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if (!(parameter is VideoPage videoPage))
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{
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return;
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}
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LoadingVisibility = Visibility.Visible;
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try
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{
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await Task.Run(() =>
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{
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LogManager.Debug(Tag, $"Video Page: {videoPage.Cid}");
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UnityUpdateView(ParseVideo, null, videoPage);
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});
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}
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catch (Exception e)
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{
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Core.Utils.Debugging.Console.PrintLine("ParseCommand()发生异常: {0}", e);
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LogManager.Error(Tag, e);
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LoadingVisibility = Visibility.Collapsed;
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}
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LoadingVisibility = Visibility.Collapsed;
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}
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/// <summary>
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/// 解析视频流事件是否允许执行
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/// </summary>
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/// <param name="parameter"></param>
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/// <returns></returns>
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private bool CanExecuteParseCommand(object parameter)
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{
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return LoadingVisibility != Visibility.Visible;
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}
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// 解析所有视频流事件
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private DelegateCommand parseAllVideoCommand;
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public DelegateCommand ParseAllVideoCommand => parseAllVideoCommand ?? (parseAllVideoCommand = new DelegateCommand(ExecuteParseAllVideoCommand, CanExecuteParseAllVideoCommand));
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/// <summary>
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/// 解析所有视频流事件
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/// </summary>
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private async void ExecuteParseAllVideoCommand()
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{
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LoadingVisibility = Visibility.Visible;
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// 解析范围
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ParseScope parseScope = SettingsManager.GetInstance().GetParseScope();
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// 是否选择了解析范围
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if (parseScope == ParseScope.NONE)
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{
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// 打开解析选择器
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dialogService.ShowDialog(ViewParsingSelectorViewModel.Tag, null, result =>
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{
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if (result.Result == ButtonResult.OK)
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{
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// 选择的解析范围
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parseScope = result.Parameters.GetValue<ParseScope>("parseScope");
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}
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});
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}
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LogManager.Debug(Tag, $"ParseScope: {parseScope:G}");
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try
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{
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await Task.Run(() =>
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{
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LogManager.Debug(Tag, "Parse video");
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switch (parseScope)
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{
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case ParseScope.NONE:
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break;
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case ParseScope.SELECTED_ITEM:
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foreach (VideoSection section in VideoSections)
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{
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foreach (VideoPage page in section.VideoPages)
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{
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//VideoPage videoPage = section.VideoPages.FirstOrDefault(t => t == page);
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if (page.IsSelected)
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{
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// 执行解析任务
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UnityUpdateView(ParseVideo, null, page);
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}
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}
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}
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break;
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case ParseScope.CURRENT_SECTION:
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foreach (VideoSection section in VideoSections)
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{
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if (section.IsSelected)
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{
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foreach (VideoPage page in section.VideoPages)
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{
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//VideoPage videoPage = section.VideoPages.FirstOrDefault(t => t == page);
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// 执行解析任务
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UnityUpdateView(ParseVideo, null, page);
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}
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}
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}
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break;
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case ParseScope.ALL:
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foreach (VideoSection section in VideoSections)
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{
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foreach (VideoPage page in section.VideoPages)
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{
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//VideoPage videoPage = section.VideoPages.FirstOrDefault(t => t == page);
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// 执行解析任务
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UnityUpdateView(ParseVideo, null, page);
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}
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}
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break;
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default:
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break;
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}
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});
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}
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catch (Exception e)
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{
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Core.Utils.Debugging.Console.PrintLine("ParseCommand()发生异常: {0}", e);
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LogManager.Error(Tag, e);
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LoadingVisibility = Visibility.Collapsed;
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}
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LoadingVisibility = Visibility.Collapsed;
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}
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/// <summary>
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/// 解析所有视频流事件是否允许执行
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/// </summary>
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/// <returns></returns>
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private bool CanExecuteParseAllVideoCommand()
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{
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return LoadingVisibility != Visibility.Visible;
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}
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// 添加到下载列表事件
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private DelegateCommand addToDownloadCommand;
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public DelegateCommand AddToDownloadCommand => addToDownloadCommand ?? (addToDownloadCommand = new DelegateCommand(ExecuteAddToDownloadCommand, CanExecuteAddToDownloadCommand));
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/// <summary>
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/// 添加到下载列表事件
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/// </summary>
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private async void ExecuteAddToDownloadCommand()
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{
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AddToDownloadService addToDownloadService = null;
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// 视频
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if (ParseEntrance.IsAvUrl(InputText) || ParseEntrance.IsBvUrl(InputText))
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{
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addToDownloadService = new AddToDownloadService(PlayStreamType.VIDEO);
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}
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// 番剧（电影、电视剧）
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if (ParseEntrance.IsBangumiSeasonUrl(InputText) || ParseEntrance.IsBangumiEpisodeUrl(InputText) || ParseEntrance.IsBangumiMediaUrl(InputText))
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{
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addToDownloadService = new AddToDownloadService(PlayStreamType.BANGUMI);
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}
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// 课程
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if (ParseEntrance.IsCheeseSeasonUrl(InputText) || ParseEntrance.IsCheeseEpisodeUrl(InputText))
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{
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addToDownloadService = new AddToDownloadService(PlayStreamType.CHEESE);
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}
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// 选择文件夹
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string directory = addToDownloadService.SetDirectory(dialogService);
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// 视频计数
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int i = 0;
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await Task.Run(() =>
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{
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// 传递video对象
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addToDownloadService.GetVideo(VideoInfoView, VideoSections.ToList());
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// 下载
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i = addToDownloadService.AddToDownload(eventAggregator, directory);
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});
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// 通知用户添加到下载列表的结果
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if (i == 0)
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{
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eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipAddDownloadingZero"));
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}
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else
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{
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eventAggregator.GetEvent<MessageEvent>().Publish($"{DictionaryResource.GetString("TipAddDownloadingFinished1")}{i}{DictionaryResource.GetString("TipAddDownloadingFinished2")}");
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}
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}
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/// <summary>
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/// 添加到下载列表事件是否允许执行
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/// </summary>
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/// <returns></returns>
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private bool CanExecuteAddToDownloadCommand()
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{
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return LoadingVisibility != Visibility.Visible;
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}
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#endregion
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#region 业务逻辑
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/// <summary>
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/// 初始化页面元素
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/// </summary>
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private void InitView()
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{
|
||
LogManager.Debug(Tag, "初始化页面元素");
|
||
|
||
LoadingVisibility = Visibility.Visible;
|
||
ContentVisibility = Visibility.Collapsed;
|
||
NoDataVisibility = Visibility.Collapsed;
|
||
|
||
VideoSections.Clear();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 更新页面的统一方法
|
||
/// </summary>
|
||
/// <param name="action"></param>
|
||
/// <param name="input"></param>
|
||
/// <param name="page"></param>
|
||
private void UnityUpdateView(Action<IInfoService, VideoPage> action, string input, VideoPage page)
|
||
{
|
||
// 视频
|
||
if (ParseEntrance.IsAvUrl(InputText) || ParseEntrance.IsBvUrl(InputText))
|
||
{
|
||
action(new VideoInfoService(input), page);
|
||
}
|
||
|
||
// 番剧（电影、电视剧）
|
||
if (ParseEntrance.IsBangumiSeasonUrl(InputText) || ParseEntrance.IsBangumiEpisodeUrl(InputText) || ParseEntrance.IsBangumiMediaUrl(InputText))
|
||
{
|
||
action(new BangumiInfoService(input), page);
|
||
}
|
||
|
||
// 课程
|
||
if (ParseEntrance.IsCheeseSeasonUrl(InputText) || ParseEntrance.IsCheeseEpisodeUrl(InputText))
|
||
{
|
||
action(new CheeseInfoService(input), page);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 更新页面
|
||
/// </summary>
|
||
/// <param name="videoInfoService"></param>
|
||
private void UpdateView(IInfoService videoInfoService, VideoPage param)
|
||
{
|
||
VideoInfoView = videoInfoService.GetVideoView();
|
||
if (VideoInfoView == null)
|
||
{
|
||
LogManager.Debug(Tag, "VideoInfoView is null.");
|
||
|
||
LoadingVisibility = Visibility.Collapsed;
|
||
ContentVisibility = Visibility.Collapsed;
|
||
NoDataVisibility = Visibility.Visible;
|
||
return;
|
||
}
|
||
else
|
||
{
|
||
LoadingVisibility = Visibility.Collapsed;
|
||
ContentVisibility = Visibility.Visible;
|
||
NoDataVisibility = Visibility.Collapsed;
|
||
}
|
||
|
||
List<VideoSection> videoSections = videoInfoService.GetVideoSections();
|
||
if (videoSections == null)
|
||
{
|
||
LogManager.Debug(Tag, "videoSections is not exist.");
|
||
|
||
List<VideoPage> pages = videoInfoService.GetVideoPages();
|
||
|
||
PropertyChangeAsync(new Action(() =>
|
||
{
|
||
VideoSections.Add(new VideoSection
|
||
{
|
||
Id = 0,
|
||
Title = "default",
|
||
IsSelected = true,
|
||
VideoPages = pages
|
||
});
|
||
}));
|
||
}
|
||
else
|
||
{
|
||
PropertyChangeAsync(new Action(() =>
|
||
{
|
||
VideoSections.AddRange(videoSections);
|
||
}));
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 解析视频流
|
||
/// </summary>
|
||
/// <param name="videoInfoService"></param>
|
||
private void ParseVideo(IInfoService videoInfoService, VideoPage videoPage)
|
||
{
|
||
videoInfoService.GetVideoStream(videoPage);
|
||
}
|
||
|
||
#endregion
|
||
|
||
/// <summary>
|
||
/// 导航到VideoDetail页面时执行
|
||
/// </summary>
|
||
/// <param name="navigationContext"></param>
|
||
public override void OnNavigatedTo(NavigationContext navigationContext)
|
||
{
|
||
base.OnNavigatedTo(navigationContext);
|
||
|
||
DownloadManage = ButtonIcon.Instance().DownloadManage;
|
||
DownloadManage.Height = 24;
|
||
DownloadManage.Width = 24;
|
||
DownloadManage.Fill = DictionaryResource.GetColor("ColorPrimary");
|
||
|
||
// Parent参数为null时，表示是从下一个页面返回到本页面，不需要执行任务
|
||
if (navigationContext.Parameters.GetValue<string>("Parent") != null)
|
||
{
|
||
// 正在执行任务时不开启新任务
|
||
if (LoadingVisibility != Visibility.Visible)
|
||
{
|
||
InputText = navigationContext.Parameters.GetValue<string>("Parameter");
|
||
PropertyChangeAsync(ExecuteInputCommand);
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
}
|