using System; using System.Collections.Generic; using System.Dynamic; using System.Globalization; using System.IO; using System.Linq; using Jellyfin.Api.Models.UserDtos; using LrcParser.Model; using LrcParser.Parser; using MediaBrowser.Controller.Entities; namespace Jellyfin.Api.Helpers { /// /// Item helper. /// public static class ItemHelper { /// /// Opens lyrics file, converts to a List of Lyrics, and returns it. /// /// Requested Item. /// Collection of Lyrics. internal static object? GetLyricData(BaseItem item) { List providerList = new List(); // Find all classes that implement ILyricsProvider Interface var foundLyricProviders = System.Reflection.Assembly.GetExecutingAssembly() .GetTypes() .Where(type => typeof(ILyricsProvider).IsAssignableFrom(type) && !type.IsInterface); if (!foundLyricProviders.Any()) { return null; } foreach (var provider in foundLyricProviders) { providerList.Add((ILyricsProvider)Activator.CreateInstance(provider)); } foreach (ILyricsProvider provider in providerList) { provider.Process(item); if (provider.HasData) { return provider.Data; } } return null; } /// /// Checks if requested item has a matching lyric file. /// /// Path of requested item. /// True if item has a matching lyrics file. public static string? GetLyricFilePath(string itemPath) { List supportedLyricFileExtensions = new List(); // Find all classes that implement ILyricsProvider Interface var foundLyricProviders = System.Reflection.Assembly.GetExecutingAssembly() .GetTypes() .Where(type => typeof(ILyricsProvider).IsAssignableFrom(type) && !type.IsInterface); if (!foundLyricProviders.Any()) { return null; } // Iterate over all found lyric providers foreach (var provider in foundLyricProviders) { var foundProvider = (ILyricsProvider)Activator.CreateInstance(provider); if (foundProvider?.FileExtensions is null) { continue; } if (foundProvider.FileExtensions.Any()) { // Gather distinct list of handled file extentions foreach (string lyricFileExtension in foundProvider.FileExtensions) { if (!supportedLyricFileExtensions.Contains(lyricFileExtension)) { supportedLyricFileExtensions.Add(lyricFileExtension); } } } } foreach (string lyricFileExtension in supportedLyricFileExtensions) { string lyricFilePath = @Path.ChangeExtension(itemPath, lyricFileExtension); if (System.IO.File.Exists(lyricFilePath)) { return lyricFilePath; } } return null; } /// /// Checks if requested item has a matching local lyric file. /// /// Path of requested item. /// True if item has a matching lyrics file; otherwise false. public static bool HasLyricFile(string itemPath) { string? lyricFilePath = GetLyricFilePath(itemPath); return !string.IsNullOrEmpty(lyricFilePath); } } }