97 lines
3.5 KiB
C#
97 lines
3.5 KiB
C#
using AaxDecrypter;
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using AAXClean;
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using Dinah.Core;
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using DataLayer;
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using LibationFileManager;
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using System.Threading.Tasks;
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using System;
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using System.IO;
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using ApplicationServices;
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namespace FileLiberator
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{
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public class DownloadOptions : IDownloadOptions, IDisposable
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{
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public event EventHandler<long> DownloadSpeedChanged;
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public LibraryBook LibraryBook { get; }
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public LibraryBookDto LibraryBookDto { get; }
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public string DownloadUrl { get; }
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public string AudibleKey { get; init; }
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public string AudibleIV { get; init; }
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public TimeSpan RuntimeLength { get; init; }
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public OutputFormat OutputFormat { get; init; }
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public ChapterInfo ChapterInfo { get; init; }
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public NAudio.Lame.LameConfig LameConfig { get; init; }
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public string UserAgent => AudibleApi.Resources.Download_User_Agent;
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public bool TrimOutputToChapterLength => config.AllowLibationFixup && config.StripAudibleBrandAudio;
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public bool StripUnabridged => config.AllowLibationFixup && config.StripUnabridged;
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public bool CreateCueSheet => config.CreateCueSheet;
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public bool DownloadClipsBookmarks => config.DownloadClipsBookmarks;
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public long DownloadSpeedBps => config.DownloadSpeedLimit;
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public bool RetainEncryptedFile => config.RetainAaxFile;
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public bool FixupFile => config.AllowLibationFixup;
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public bool Downsample => config.AllowLibationFixup && config.LameDownsampleMono;
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public bool MatchSourceBitrate => config.AllowLibationFixup && config.LameMatchSourceBR && config.LameTargetBitrate;
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public bool MoveMoovToBeginning => config.MoveMoovToBeginning;
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public string GetMultipartFileName(MultiConvertFileProperties props)
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{
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var baseDir = Path.GetDirectoryName(props.OutputFileName);
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var extension = Path.GetExtension(props.OutputFileName);
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return Templates.ChapterFile.GetFilename(LibraryBookDto, props, baseDir, extension);
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}
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public string GetMultipartTitle(MultiConvertFileProperties props)
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=> Templates.ChapterTitle.GetName(LibraryBookDto, props);
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public async Task<string> SaveClipsAndBookmarksAsync(string fileName)
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{
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if (DownloadClipsBookmarks)
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{
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var format = config.ClipsBookmarksFileFormat;
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var formatExtension = format.ToString().ToLowerInvariant();
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var filePath = Path.ChangeExtension(fileName, formatExtension);
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var api = await LibraryBook.GetApiAsync();
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var records = await api.GetRecordsAsync(LibraryBook.Book.AudibleProductId);
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switch(format)
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{
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case Configuration.ClipBookmarkFormat.CSV:
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RecordExporter.ToCsv(filePath, records);
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break;
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case Configuration.ClipBookmarkFormat.Xlsx:
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RecordExporter.ToXlsx(filePath, records);
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break;
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case Configuration.ClipBookmarkFormat.Json:
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RecordExporter.ToJson(filePath, LibraryBook, records);
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break;
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}
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return filePath;
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}
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return string.Empty;
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}
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private readonly Configuration config;
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private readonly IDisposable cancellation;
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public void Dispose() => cancellation?.Dispose();
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public DownloadOptions(Configuration config, LibraryBook libraryBook, string downloadUrl)
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{
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this.config = ArgumentValidator.EnsureNotNull(config, nameof(config));
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LibraryBook = ArgumentValidator.EnsureNotNull(libraryBook, nameof(libraryBook));
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DownloadUrl = ArgumentValidator.EnsureNotNullOrEmpty(downloadUrl, nameof(downloadUrl));
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// no null/empty check for key/iv. unencrypted files do not have them
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LibraryBookDto = LibraryBook.ToDto();
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cancellation =
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config
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.ObservePropertyChanged<long>(
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nameof(Configuration.DownloadSpeedLimit),
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newVal => DownloadSpeedChanged?.Invoke(this, newVal));
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}
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}
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}
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