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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
{
/// <summary>
/// Item helper.
/// </summary>
public static class ItemHelper
{
/// <summary>
/// Opens lyrics file, converts to a List of Lyrics, and returns it.
/// </summary>
/// <param name="item">Requested Item.</param>
/// <returns>Collection of Lyrics.</returns>
internal static object? GetLyricData(BaseItem item)
{
List<ILyricsProvider> providerList = new List<ILyricsProvider>();
// 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;
}
/// <summary>
/// Checks if requested item has a matching lyric file.
/// </summary>
/// <param name="itemPath">Path of requested item.</param>
/// <returns>True if item has a matching lyrics file.</returns>
public static string? GetLyricFilePath(string itemPath)
{
List<string> supportedLyricFileExtensions = new List<string>();
// 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;
}
/// <summary>
/// Checks if requested item has a matching local lyric file.
/// </summary>
/// <param name="itemPath">Path of requested item.</param>
/// <returns>True if item has a matching lyrics file; otherwise false.</returns>
public static bool HasLyricFile(string itemPath)
{
string? lyricFilePath = GetLyricFilePath(itemPath);
return !string.IsNullOrEmpty(lyricFilePath);
}
}
}
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