66 lines
1.9 KiB
C#
66 lines
1.9 KiB
C#
using Dinah.Core.Net.Http;
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using FileManager;
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using System;
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using System.Threading.Tasks;
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namespace AaxDecrypter
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{
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public class UnencryptedAudiobookDownloader : AudiobookDownloadBase
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{
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public UnencryptedAudiobookDownloader(string outFileName, string cacheDirectory, IDownloadOptions dlLic)
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: base(outFileName, cacheDirectory, dlLic)
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{
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AsyncSteps.Name = "Download Unencrypted Audiobook";
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AsyncSteps["Step 1: Download Audiobook"] = Step_DownloadAndDecryptAudiobookAsync;
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AsyncSteps["Step 2: Download Clips and Bookmarks"] = Step_DownloadClipsBookmarksAsync;
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AsyncSteps["Step 3: Create Cue"] = Step_CreateCueAsync;
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}
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public override Task CancelAsync()
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{
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IsCanceled = true;
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FinalizeDownload();
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return Task.CompletedTask;
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}
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protected override async Task<bool> Step_DownloadAndDecryptAudiobookAsync()
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{
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DateTime startTime = DateTime.Now;
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// MUST put InputFileStream.Length first, because it starts background downloader.
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while (InputFileStream.Length > InputFileStream.WritePosition && !InputFileStream.IsCancelled)
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{
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var rate = InputFileStream.WritePosition / (DateTime.Now - startTime).TotalSeconds;
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var estTimeRemaining = (InputFileStream.Length - InputFileStream.WritePosition) / rate;
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if (double.IsNormal(estTimeRemaining))
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OnDecryptTimeRemaining(TimeSpan.FromSeconds(estTimeRemaining));
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var progressPercent = (double)InputFileStream.WritePosition / InputFileStream.Length;
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OnDecryptProgressUpdate(
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new DownloadProgress
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{
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ProgressPercentage = 100 * progressPercent,
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BytesReceived = (long)(InputFileStream.Length * progressPercent),
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TotalBytesToReceive = InputFileStream.Length
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});
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await Task.Delay(200);
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}
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FinalizeDownload();
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if (!IsCanceled)
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{
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FileUtility.SaferMove(InputFileStream.SaveFilePath, OutputFileName);
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OnFileCreated(OutputFileName);
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}
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return !IsCanceled;
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}
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}
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}
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