protected AnimatedIllustrationDownloadTask(DownloadHistoryEntry databaseEntry)
: base(databaseEntry)
{
// derived classes won't need them
_metadata = null !;
_illustration = null !;
}
public Task <ObservableDownloadTask> TryCreateIntrinsicAsync(IllustrationViewModel context, IRandomAccessStream stream, string rawPath)
{
var entry = new DownloadHistoryEntry(DownloadState.Completed, null, rawPath, false, context.Id,
context.Illustration.Title, context.Illustration.User?.Name, null, null);
return(Task.FromResult <ObservableDownloadTask>(new IntrinsicIllustrationDownloadTask(entry, context, stream)));
}
public AnimatedIllustrationDownloadTask(
DownloadHistoryEntry databaseEntry,
IllustrationViewModel illustration,
UgoiraMetadataResponse metadata) : base(databaseEntry)
{
_illustration = illustration;
_metadata = metadata;
}
public async Task <ObservableDownloadTask> CreateAsync(IllustrationViewModel context, string rawPath)
{
using var scope = App.AppViewModel.AppServicesScope;
var manager = await scope.ServiceProvider.GetRequiredService <Task <DownloadHistoryPersistentManager> >();
var path = IOHelper.NormalizePath(PathParser.Reduce(rawPath, context));
if ((await manager.RawDataAsync()).Any(entry => entry.Destination == path))
{
// delete the original entry
await manager.DeleteAsync(entry => entry.Destination == path);
}
ObservableDownloadTask task = context.Illustration.IsUgoira() switch
{
true => await Functions.Block(async() =>
{
var ugoiraMetadata = await App.AppViewModel.MakoClient.GetUgoiraMetadataAsync(context.Id);
if (ugoiraMetadata.UgoiraMetadataInfo?.ZipUrls?.Medium is { } url)
{
var downloadHistoryEntry = new DownloadHistoryEntry(DownloadState.Created, null, path, true, context.Id, context.Illustration.Title, context.Illustration.User?.Name, url, context.Illustration.GetThumbnailUrl(ThumbnailUrlOption.SquareMedium));
return(new AnimatedIllustrationDownloadTask(downloadHistoryEntry, context, ugoiraMetadata));
}
throw new DownloadTaskInitializationException(DownloadTaskResources.GifSourceUrlNotFoundFormatted.Format(context.Id));
}),
false => Functions.Block(() =>
{
var downloadHistoryEntry = new DownloadHistoryEntry(DownloadState.Created, null, path, false, context.Id, context.Illustration.Title, context.Illustration.User?.Name, context.Illustration.GetOriginalUrl() !, context.Illustration.GetThumbnailUrl(ThumbnailUrlOption.SquareMedium));
return(new IllustrationDownloadTask(downloadHistoryEntry, context));
})
};
// TODO Check for unique
await manager.InsertAsync(task.DatabaseEntry);
return(task);
}
public LazyInitializedAnimatedIllustrationDownloadTask(DownloadHistoryEntry databaseEntry) : base(databaseEntry)
{
_illustId = databaseEntry.Id !;
_resultGenerator = new Lazy <Task <IllustrationViewModel> >(async() => new IllustrationViewModel(await App.AppViewModel.MakoClient.GetIllustrationFromIdAsync(_illustId)));
}
/// <summary>
/// The disposal of <paramref name="imageStream"/> is not handled
/// </summary>
public IntrinsicIllustrationDownloadTask(DownloadHistoryEntry entry, IllustrationViewModel illustrationViewModel, IRandomAccessStream imageStream)
: base(entry, illustrationViewModel)
{
Stream = imageStream;
}
protected ObservableDownloadTask(DownloadHistoryEntry entry)
{
DatabaseEntry = entry;
CancellationHandle = new CancellationHandle();
Completion = new TaskCompletionSource();
}
public IllustrationDownloadTask(DownloadHistoryEntry dataBaseEntry, IllustrationViewModel illustrationViewModel) : base(dataBaseEntry)
{
IllustrationViewModel = illustrationViewModel;
CurrentState = DownloadState.Created;
}