mirror of
https://github.com/yaobiao131/downkyicore.git
synced 2025-08-10 00:52:31 +00:00
713 lines
22 KiB
C#
713 lines
22 KiB
C#
using System;
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using System.Collections;
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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;
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using System.Threading.Tasks;
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using Avalonia.Media.Imaging;
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using DownKyi.Core.BiliApi.VideoStream;
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using DownKyi.Core.Storage;
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using DownKyi.Core.Utils;
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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.PrismExtension.Dialog;
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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.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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namespace DownKyi.ViewModels;
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public class ViewSeasonsSeriesViewModel : ViewModelBase
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{
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public const string Tag = "PageSeasonsSeries";
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private CancellationTokenSource tokenSource;
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private long mid = -1;
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private long id = -1;
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private int type = 0;
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// 每页视频数量，暂时在此写死，以后在设置中增加选项
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private readonly int VideoNumberInPage = 30;
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#region 页面属性申明
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private string pageName = Tag;
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public string PageName
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{
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get => pageName;
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set => SetProperty(ref pageName, value);
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}
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private bool loading;
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public bool 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 bool loadingVisibility;
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public bool 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 bool noDataVisibility;
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public bool 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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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 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 string title;
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public string Title
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{
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get => title;
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set => SetProperty(ref title, value);
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}
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private bool isEnabled = true;
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public bool IsEnabled
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{
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get => isEnabled;
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set => SetProperty(ref isEnabled, value);
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}
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private CustomPagerViewModel pager;
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public CustomPagerViewModel Pager
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{
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get => pager;
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set => SetProperty(ref pager, value);
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}
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private ObservableCollection<ChannelMedia> medias;
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public ObservableCollection<ChannelMedia> Medias
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{
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get => medias;
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set => SetProperty(ref medias, 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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#endregion
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public ViewSeasonsSeriesViewModel(IEventAggregator eventAggregator, IDialogService dialogService) : base(
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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
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Loading = true;
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LoadingVisibility = false;
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NoDataVisibility = false;
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ArrowBack = NavigationIcon.Instance().ArrowBack;
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ArrowBack.Fill = DictionaryResource.GetColor("ColorTextDark");
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// 下载管理按钮
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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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Medias = new ObservableCollection<ChannelMedia>();
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#endregion
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}
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#region 命令申明
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// 返回事件
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private DelegateCommand backSpaceCommand;
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public DelegateCommand BackSpaceCommand =>
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backSpaceCommand ?? (backSpaceCommand = new DelegateCommand(ExecuteBackSpace));
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/// <summary>
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/// 返回事件
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/// </summary>
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private void ExecuteBackSpace()
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{
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ArrowBack.Fill = DictionaryResource.GetColor("ColorText");
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// 结束任务
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tokenSource?.Cancel();
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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 ??
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(downloadManagerCommand =
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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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// 全选按钮点击事件
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private DelegateCommand<object> selectAllCommand;
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public DelegateCommand<object> SelectAllCommand => selectAllCommand ??
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(selectAllCommand =
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new DelegateCommand<object>(ExecuteSelectAllCommand));
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/// <summary>
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/// 全选按钮点击事件
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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 (IsSelectAll)
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{
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foreach (var item in Medias)
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{
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item.IsSelected = true;
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}
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}
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else
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{
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foreach (var item in Medias)
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{
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item.IsSelected = false;
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}
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}
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}
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// 列表选择事件
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private DelegateCommand<object> mediasCommand;
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public DelegateCommand<object> MediasCommand =>
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mediasCommand ?? (mediasCommand = new DelegateCommand<object>(ExecuteMediasCommand));
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/// <summary>
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/// 列表选择事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteMediasCommand(object parameter)
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{
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if (!(parameter is IList selectedMedia))
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{
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return;
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}
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if (selectedMedia.Count == Medias.Count)
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{
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IsSelectAll = true;
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}
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else
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{
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IsSelectAll = false;
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}
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}
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// 添加选中项到下载列表事件
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private DelegateCommand addToDownloadCommand;
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public DelegateCommand AddToDownloadCommand => addToDownloadCommand ??
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(addToDownloadCommand =
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new DelegateCommand(ExecuteAddToDownloadCommand));
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/// <summary>
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/// 添加选中项到下载列表事件
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/// </summary>
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private void ExecuteAddToDownloadCommand()
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{
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AddToDownload(true);
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}
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// 添加所有视频到下载列表事件
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private DelegateCommand addAllToDownloadCommand;
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public DelegateCommand AddAllToDownloadCommand => addAllToDownloadCommand ??
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(addAllToDownloadCommand =
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new DelegateCommand(ExecuteAddAllToDownloadCommand));
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/// <summary>
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/// 添加所有视频到下载列表事件
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/// </summary>
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private void ExecuteAddAllToDownloadCommand()
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{
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AddToDownload(false);
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}
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#endregion
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/// <summary>
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/// 添加到下载
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/// </summary>
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/// <param name="isOnlySelected"></param>
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private async void AddToDownload(bool isOnlySelected)
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{
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// 频道里只有视频
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AddToDownloadService addToDownloadService = new AddToDownloadService(PlayStreamType.VIDEO);
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// 选择文件夹
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var directory = await 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(async () =>
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{
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// 为了避免执行其他操作时，
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// Medias变化导致的异常
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var list = Medias.ToList();
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// 添加到下载
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foreach (var media in list)
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{
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// 只下载选中项，跳过未选中项
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if (isOnlySelected && !media.IsSelected)
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{
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continue;
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}
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/// 有分P的就下载全部
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// 开启服务
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var videoInfoService = new VideoInfoService(media.Bvid);
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addToDownloadService.SetVideoInfoService(videoInfoService);
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addToDownloadService.GetVideo();
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addToDownloadService.ParseVideo(videoInfoService);
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// 下载
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i += await addToDownloadService.AddToDownload(EventAggregator, DialogService, directory);
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}
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});
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if (directory == null)
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{
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return;
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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>()
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.Publish(
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$"{DictionaryResource.GetString("TipAddDownloadingFinished1")}{i}{DictionaryResource.GetString("TipAddDownloadingFinished2")}");
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}
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}
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private void OnCountChanged_Pager(int count)
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{
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}
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private bool OnCurrentChanged_Pager(int old, int current)
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{
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if (!IsEnabled)
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{
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//Pager.Current = old;
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return false;
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}
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Medias.Clear();
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IsSelectAll = false;
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LoadingVisibility = true;
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NoDataVisibility = false;
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//UpdateChannel(current);
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if (type == 1)
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{
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UpdateSeasons(current);
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}
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if (type == 2)
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{
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UpdateSeries(current);
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}
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return true;
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}
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//private async void UpdateChannel(int current)
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//{
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// // 是否正在获取数据
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// // 在所有的退出分支中都需要设为true
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// IsEnabled = false;
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// await Task.Run(() =>
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// {
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// CancellationToken cancellationToken = tokenSource.Token;
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// var channels = Core.BiliApi.Users.UserSpace.GetChannelVideoList(mid, cid, current, VideoNumberInPage);
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// if (channels == null || channels.Count == 0)
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// {
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// // 没有数据，UI提示
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// LoadingVisibility = Visibility.Collapsed;
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// NoDataVisibility = Visibility.Visible;
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// return;
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// }
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// foreach (var video in channels)
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// {
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// if (video.Cid == 0)
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// {
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// continue;
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// }
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// // 查询、保存封面
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// string coverUrl = video.Pic;
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// BitmapImage cover;
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// if (coverUrl == null || coverUrl == "")
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// {
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// cover = null; // new BitmapImage(new Uri($"pack://application:,,,/Resources/video-placeholder.png"));
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// }
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// else
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// {
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// if (!coverUrl.ToLower().StartsWith("http"))
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// {
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// coverUrl = $"https:{video.Pic}";
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// }
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// StorageCover storageCover = new StorageCover();
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// cover = storageCover.GetCoverThumbnail(video.Aid, video.Bvid, -1, coverUrl, 200, 125);
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// }
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// // 播放数
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// string play = string.Empty;
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// if (video.Stat != null)
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// {
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// if (video.Stat.View > 0)
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// {
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// play = Format.FormatNumber(video.Stat.View);
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// }
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// else
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// {
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// play = "--";
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// }
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// }
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// else
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// {
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// play = "--";
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// }
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// DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); // 当地时区
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// DateTime dateCTime = startTime.AddSeconds(video.Ctime);
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// string ctime = dateCTime.ToString("yyyy-MM-dd");
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// App.PropertyChangeAsync(new Action(() =>
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// {
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// ChannelMedia media = new ChannelMedia(eventAggregator)
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// {
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// Avid = video.Aid,
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// Bvid = video.Bvid,
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// Cover = cover ?? new BitmapImage(new Uri($"pack://application:,,,/Resources/video-placeholder.png")),
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// Duration = Format.FormatDuration3(video.Duration),
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// Title = video.Title,
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// PlayNumber = play,
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// CreateTime = ctime
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// };
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// Medias.Add(media);
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// LoadingVisibility = Visibility.Collapsed;
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// NoDataVisibility = Visibility.Collapsed;
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// }));
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// // 判断是否该结束线程，若为true，跳出循环
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// if (cancellationToken.IsCancellationRequested)
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// {
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// break;
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// }
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// }
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// }, (tokenSource = new CancellationTokenSource()).Token);
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// IsEnabled = true;
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//}
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private async void UpdateSeasons(int current)
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{
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// 是否正在获取数据
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// 在所有的退出分支中都需要设为true
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IsEnabled = false;
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await Task.Run(() =>
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{
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CancellationToken cancellationToken = tokenSource.Token;
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var seasons = Core.BiliApi.Users.UserSpace.GetSeasonsDetail(mid, id, current, VideoNumberInPage);
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if (seasons == null || seasons.Meta.Total == 0)
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{
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// 没有数据，UI提示
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LoadingVisibility = false;
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NoDataVisibility = true;
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return;
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}
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foreach (var video in seasons.Archives)
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{
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//if (video.Cid == 0)
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//{
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// continue;
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//}
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// 查询、保存封面
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string coverUrl = video.Pic;
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Bitmap cover;
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if (coverUrl == null || coverUrl == "")
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{
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cover = null; // new BitmapImage(new Uri($"pack://application:,,,/Resources/video-placeholder.png"));
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}
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else
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{
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if (!coverUrl.ToLower().StartsWith("http"))
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{
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coverUrl = $"https:{video.Pic}";
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}
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StorageCover storageCover = new StorageCover();
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cover = storageCover.GetCoverThumbnail(video.Aid, video.Bvid, -1, coverUrl, 200, 125);
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}
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// 播放数
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string play = string.Empty;
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if (video.Stat != null)
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{
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if (video.Stat.View > 0)
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{
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play = Format.FormatNumber(video.Stat.View);
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}
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else
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{
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play = "--";
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}
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}
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else
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{
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play = "--";
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}
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DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); // 当地时区
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DateTime dateCTime = startTime.AddSeconds(video.Ctime);
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string ctime = dateCTime.ToString("yyyy-MM-dd");
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App.PropertyChangeAsync(new Action(() =>
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{
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ChannelMedia media = new ChannelMedia(EventAggregator)
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{
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Avid = video.Aid,
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Bvid = video.Bvid,
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Cover = cover ??
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ImageHelper.LoadFromResource(
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new Uri($"avares://DownKyi/Resources/video-placeholder.png")),
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Duration = Format.FormatDuration3(video.Duration),
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Title = video.Title,
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PlayNumber = play,
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CreateTime = ctime
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};
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Medias.Add(media);
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LoadingVisibility = false;
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NoDataVisibility = false;
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}));
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// 判断是否该结束线程，若为true，跳出循环
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if (cancellationToken.IsCancellationRequested)
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{
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break;
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}
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}
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}, (tokenSource = new CancellationTokenSource()).Token);
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IsEnabled = true;
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}
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private async void UpdateSeries(int current)
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{
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// 是否正在获取数据
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// 在所有的退出分支中都需要设为true
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IsEnabled = false;
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await Task.Run(() =>
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{
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CancellationToken cancellationToken = tokenSource.Token;
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var meta = Core.BiliApi.Users.UserSpace.GetSeriesMeta(id);
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var series = Core.BiliApi.Users.UserSpace.GetSeriesDetail(mid, id, current, VideoNumberInPage);
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if (series == null || meta.Meta.Total == 0)
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{
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// 没有数据，UI提示
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LoadingVisibility = false;
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NoDataVisibility = true;
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return;
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}
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foreach (var video in series.Archives)
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||
{
|
||
//if (video.Cid == 0)
|
||
//{
|
||
// continue;
|
||
//}
|
||
|
||
// 查询、保存封面
|
||
string coverUrl = video.Pic;
|
||
Bitmap cover;
|
||
if (coverUrl == null || coverUrl == "")
|
||
{
|
||
cover = null; // new BitmapImage(new Uri($"pack://application:,,,/Resources/video-placeholder.png"));
|
||
}
|
||
else
|
||
{
|
||
if (!coverUrl.ToLower().StartsWith("http"))
|
||
{
|
||
coverUrl = $"https:{video.Pic}";
|
||
}
|
||
|
||
StorageCover storageCover = new StorageCover();
|
||
cover = storageCover.GetCoverThumbnail(video.Aid, video.Bvid, -1, coverUrl, 200, 125);
|
||
}
|
||
|
||
// 播放数
|
||
string play = string.Empty;
|
||
if (video.Stat != null)
|
||
{
|
||
if (video.Stat.View > 0)
|
||
{
|
||
play = Format.FormatNumber(video.Stat.View);
|
||
}
|
||
else
|
||
{
|
||
play = "--";
|
||
}
|
||
}
|
||
else
|
||
{
|
||
play = "--";
|
||
}
|
||
|
||
DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); // 当地时区
|
||
DateTime dateCTime = startTime.AddSeconds(video.Ctime);
|
||
string ctime = dateCTime.ToString("yyyy-MM-dd");
|
||
|
||
App.PropertyChangeAsync(new Action(() =>
|
||
{
|
||
ChannelMedia media = new ChannelMedia(EventAggregator)
|
||
{
|
||
Avid = video.Aid,
|
||
Bvid = video.Bvid,
|
||
Cover = cover ??
|
||
ImageHelper.LoadFromResource(
|
||
new Uri("avares://DownKyi/Resources/video-placeholder.png")),
|
||
Duration = Format.FormatDuration3(video.Duration),
|
||
Title = video.Title,
|
||
PlayNumber = play,
|
||
CreateTime = ctime
|
||
};
|
||
Medias.Add(media);
|
||
|
||
LoadingVisibility = false;
|
||
NoDataVisibility = false;
|
||
}));
|
||
|
||
// 判断是否该结束线程，若为true，跳出循环
|
||
if (cancellationToken.IsCancellationRequested)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
}, (tokenSource = new CancellationTokenSource()).Token);
|
||
|
||
IsEnabled = true;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 导航到VideoDetail页面时执行
|
||
/// </summary>
|
||
/// <param name="navigationContext"></param>
|
||
public override void OnNavigatedTo(NavigationContext navigationContext)
|
||
{
|
||
base.OnNavigatedTo(navigationContext);
|
||
|
||
ArrowBack.Fill = DictionaryResource.GetColor("ColorTextDark");
|
||
|
||
DownloadManage = ButtonIcon.Instance().DownloadManage;
|
||
DownloadManage.Height = 24;
|
||
DownloadManage.Width = 24;
|
||
DownloadManage.Fill = DictionaryResource.GetColor("ColorPrimary");
|
||
|
||
// 根据传入参数不同执行不同任务
|
||
var parameter = navigationContext.Parameters.GetValue<Dictionary<string, object>>("Parameter");
|
||
if (parameter == null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
Medias.Clear();
|
||
IsSelectAll = false;
|
||
|
||
mid = (long)parameter["mid"];
|
||
id = (long)parameter["id"];
|
||
type = (int)parameter["type"];
|
||
Title = (string)parameter["name"];
|
||
int count = (int)parameter["count"];
|
||
|
||
// 页面选择
|
||
Pager = new CustomPagerViewModel(1, (int)Math.Ceiling((double)count / VideoNumberInPage));
|
||
Pager.CurrentChanged += OnCurrentChanged_Pager;
|
||
Pager.CountChanged += OnCountChanged_Pager;
|
||
Pager.Current = 1;
|
||
}
|
||
} |