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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Threading.Tasks;
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using Jellyfin.Api.Helpers;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Lyrics;
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namespace MediaBrowser.Providers.Lyric
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{
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/// <summary>
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/// TXT File Lyric Provider.
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/// </summary>
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public class TxtLyricsProvider : ILyricsProvider
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="TxtLyricsProvider"/> class.
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/// </summary>
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public TxtLyricsProvider()
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{
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SupportedMediaTypes = new Collection<string>
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{
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"lrc", "txt"
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};
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}
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/// <summary>
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/// Gets a value indicating the File Extenstions this provider works with.
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/// </summary>
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public IEnumerable<string> SupportedMediaTypes { get; }
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/// <summary>
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/// Gets or Sets Data object generated by Process() method.
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/// </summary>
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/// <returns><c>Object</c> with data if no error occured; otherwise, <c>null</c>.</returns>
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public object? Data { get; set; }
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/// <summary>
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/// Opens lyric file for [the specified item], and processes it for API return.
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/// </summary>
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/// <param name="item">The item to to process.</param>
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/// <returns><placeholder>A <see cref="Task"/> representing the asynchronous operation.</placeholder></returns>
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public LyricResponse? GetLyrics(BaseItem item)
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{
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string? lyricFilePath = LyricInfo.GetLyricFilePath(this, item.Path);
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if (string.IsNullOrEmpty(lyricFilePath))
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{
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return null;
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}
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List<MediaBrowser.Controller.Lyrics.Lyric> lyricsList = new List<MediaBrowser.Controller.Lyrics.Lyric>();
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string lyricData = System.IO.File.ReadAllText(lyricFilePath);
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// Splitting on Environment.NewLine caused some new lines to be missed in Windows.
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char[] newLinedelims = new[] { '\r', '\n' };
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string[] lyricTextLines = lyricData.Split(newLinedelims, StringSplitOptions.RemoveEmptyEntries);
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if (!lyricTextLines.Any())
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{
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return null;
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}
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foreach (string lyricLine in lyricTextLines)
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{
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lyricsList.Add(new MediaBrowser.Controller.Lyrics.Lyric { Text = lyricLine });
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}
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return new LyricResponse { Lyrics = lyricsList };
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}
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}
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}
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