commit a6efcd26d0d5e4b9b89f74767e6d212bddbbe1c4 Author: ToyB-Chan Date: Fri Oct 9 07:59:15 2026 +0200 Initial commit diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..dfe0770 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,2 @@ +# Auto detect text files and perform LF normalization +* text=auto diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..93df31b --- /dev/null +++ b/.gitignore @@ -0,0 +1,401 @@ +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET Core +project.lock.json +project.fragment.lock.json +artifacts/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +# but not Directory.Build.rsp, as it configures directory-level build defaults +!Directory.Build.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.tlog +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. 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ExtractSpotifyId(string url) + { + var match = System.Text.RegularExpressions.Regex.Match(url, @"(?:open\.spotify\.com/|spotify:)(?:intl-[a-z]{2}/)?(?:track|playlist|album)[/:]([a-zA-Z0-9]+)", + System.Text.RegularExpressions.RegexOptions.IgnoreCase); + return match.Success ? match.Groups[1].Value : null; + } + + static void Main(string[] args) + { + MainAsync(args).GetAwaiter().GetResult(); + } + + static async Task MainAsync(string[] args) + { + string token = File.ReadAllText("token.txt"); + SpotiClient = new(token); + + if (args.Length == 0) + { + Console.WriteLine("Please provide spotify link!"); + return; + } + + string spotiString = args[0]; + string id = ExtractSpotifyId(spotiString)!; + + if (spotiString.Contains("track")) + await ExportSingleTrack(id); + else if (spotiString.Contains("playlist")) + await ExportPlaylist(id); + else + Console.WriteLine("Link not supported!"); + } + + static async Task ExportSingleTrack(string id) + { + var track = await SpotiClient.Tracks.Get(id); + await InternalExportTrack(track, $"{track.Artists.First().Name} - {track.Name}"); + } + + static async Task ExportPlaylist(string id) + { + var playlist = await SpotiClient.Playlists.Get(id); + var trackPage = playlist.Items!; + + Directory.CreateDirectory($"./{playlist.Name}"); + + using var semaphore = new SemaphoreSlim(5); + var tasks = new List(); + int index = 0; + + await foreach (var playlistTrack in SpotiClient.Paginate(trackPage)) + { + if (playlistTrack.Item is not FullTrack track) + continue; + + int currentIndex = index++; + + await semaphore.WaitAsync(); + + tasks.Add(Task.Run(async () => + { + try + { + await InternalExportTrack(track,$"./{playlist.Name}/[{currentIndex}] {track.Artists.First().Name} - {track.Name}"); + } + finally + { + semaphore.Release(); + } + })); + } + + await Task.WhenAll(tasks); + } + + static async Task InternalExportTrack(FullTrack track, string outputName) + { + var result = (await TrackMatcher.SearchAsync(track, 3)).First(); + var manifests = await YtClient.Videos.Streams.GetManifestAsync(result.Video.Id); + var streamInfo = manifests.GetAudioOnlyStreams().GetWithHighestBitrate(); + await Process.Start("ffmpeg.exe", $"-hide_banner -i \"{streamInfo.Url}\" -n \"{outputName}.mp3\"").WaitForExitAsync(); + } +} \ No newline at end of file diff --git a/Properties/launchSettings.json b/Properties/launchSettings.json new file mode 100644 index 0000000..bb0259c --- /dev/null +++ b/Properties/launchSettings.json @@ -0,0 +1,8 @@ +{ + "profiles": { + "SpotiGrabber": { + "commandName": "Project", + "commandLineArgs": "https://open.spotify.com/playlist/3oCeEpy55lUqidG1UJM8t6?si=8e03b40a9e66445f" + } + } +} \ No newline at end of file diff --git a/SpotiGrabber.csproj b/SpotiGrabber.csproj new file mode 100644 index 0000000..c18e5d3 --- /dev/null +++ b/SpotiGrabber.csproj @@ -0,0 +1,15 @@ + + + + Exe + net8.0 + enable + enable + + + + + + + + diff --git a/SpotiGrabber.sln b/SpotiGrabber.sln new file mode 100644 index 0000000..9dd9880 --- /dev/null +++ b/SpotiGrabber.sln @@ -0,0 +1,25 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 17 +VisualStudioVersion = 17.14.36717.8 d17.14 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SpotiGrabber", "SpotiGrabber.csproj", "{3674593F-3B5A-4F8A-8B88-C8A78C1811F4}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {3674593F-3B5A-4F8A-8B88-C8A78C1811F4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {3674593F-3B5A-4F8A-8B88-C8A78C1811F4}.Debug|Any CPU.Build.0 = Debug|Any CPU + {3674593F-3B5A-4F8A-8B88-C8A78C1811F4}.Release|Any CPU.ActiveCfg = Release|Any CPU + {3674593F-3B5A-4F8A-8B88-C8A78C1811F4}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {F9ABC246-8DBD-431D-A8C9-5F6D3B9BECEA} + EndGlobalSection +EndGlobal diff --git a/YouTubeTrackMatcher.cs b/YouTubeTrackMatcher.cs new file mode 100644 index 0000000..fee0c02 --- /dev/null +++ b/YouTubeTrackMatcher.cs @@ -0,0 +1,197 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace SpotiGrabber +{ +using System; + using System.Collections.Generic; + using System.Linq; + using System.Text.RegularExpressions; + using System.Threading.Tasks; + using YoutubeExplode; + + public sealed class ScoreResult + { + public YoutubeExplode.Videos.Video Video { get; set; } = default!; + public float Score { get; set; } + } + + public sealed class YouTubeTrackMatcher + { + private readonly YoutubeClient _ytClient; + + public YouTubeTrackMatcher(YoutubeClient ytClient) + { + _ytClient = ytClient; + } + + public async Task> SearchAsync(SpotifyAPI.Web.FullTrack track, int maxResults = 5) + { + var results = new List(); + + string artistString = track.Artists.First().Name; + + var batch = _ytClient.Search.GetResultsAsync($"{artistString} - {track.Name}"); + + await foreach (var query in batch) + { + try + { + var video = await _ytClient.Videos.GetAsync(query.Url); + + float score = 0f; + + string videoTitle = Normalize((string)video.Title); + string trackTitle = Normalize((string)track.Name); + string videoArtist = Normalize( + (string)video.Author.ChannelTitle); + + string expectedArtist = Normalize(artistString); + string description = Normalize( + (string)(video.Description ?? "")); + + // 1. Track title matching + if (videoTitle == trackTitle) + { + score += 2.0f; + } + else if (videoTitle.Contains(trackTitle)) + { + score += 1.5f; + } + else + { + score += 1.5f * TokenSimilarity( + videoTitle, trackTitle); + } + + // 2. Artist / channel matching + if (videoArtist == expectedArtist) + { + score += 1.5f; + } + else if (videoArtist.Contains(expectedArtist) || + expectedArtist.Contains(videoArtist)) + { + score += 1.0f; + } + else + { + score += TokenSimilarity( + videoArtist, expectedArtist); + } + + // 3. Track ID in the description + string trackId = (string)track.Id; + + if (!string.IsNullOrWhiteSpace(trackId) && + description.Contains(Normalize(trackId))) + { + score += 5.0f; + } + + // 4. Duration similarity + if (video.Duration.HasValue) + { + double differenceSeconds = Math.Abs( + video.Duration.Value.TotalSeconds - + ((double)track.DurationMs / 1000.0)); + + score += 0.8f * (float)Math.Exp( + -differenceSeconds / 5.0); + + if (differenceSeconds > 15) + score -= 1.0f; + } + + // 5. Official-upload indicators + if (videoTitle.Contains("official audio")) + score += 0.5f; + + if (videoTitle.Contains("official video")) + score += 0.5f; + + if (videoTitle.Contains("provided to youtube")) + score += 0.5f; + + // 6. Penalize alternate versions + if (ContainsAny(videoTitle, + "cover", "karaoke", "nightcore", + "sped up", "slowed", "8d audio", + "instrumental", "reaction")) + { + score -= 2.0f; + } + + if (ContainsAny(videoTitle, + "live", "remix", "acoustic", + "remaster", "radio edit")) + { + score -= 0.75f; + } + + results.Add(new ScoreResult + { + Video = video, + Score = score + }); + + if (results.Count >= maxResults) + break; + } + catch + { + // Skip unavailable videos or individual lookup failures. + } + } + + return results + .OrderByDescending(x => x.Score) + .ToList(); + } + + private static string Normalize(string value) + { + if (string.IsNullOrWhiteSpace(value)) + return string.Empty; + + value = value.ToLowerInvariant(); + + // Remove common punctuation while retaining letters and digits. + value = Regex.Replace(value, @"[^\p{L}\p{N}]+", " "); + + return Regex.Replace(value, @"\s+", " ").Trim(); + } + + private static float TokenSimilarity(string a, string b) + { + if (string.IsNullOrEmpty(a) || string.IsNullOrEmpty(b)) + return 0f; + + var tokensA = a.Split(' ') + .Where(x => x.Length > 0) + .ToHashSet(); + + var tokensB = b.Split(' ') + .Where(x => x.Length > 0) + .ToHashSet(); + + int intersection = tokensA.Intersect(tokensB).Count(); + int union = tokensA.Union(tokensB).Count(); + + return union == 0 ? 0f : (float)intersection / union; + } + + private static bool ContainsAny(string text, params string[] terms) + { + return terms.Any(term => + Regex.IsMatch( + text, + $@"(?