543 lines
20 KiB
C#
543 lines
20 KiB
C#
using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Extensions;
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using MediaBrowser.Model.Globalization;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Serialization;
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using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.Localization
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{
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/// <summary>
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/// Class LocalizationManager
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/// </summary>
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public class LocalizationManager : ILocalizationManager
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{
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/// <summary>
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/// The _configuration manager
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/// </summary>
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private readonly IServerConfigurationManager _configurationManager;
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/// <summary>
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/// The us culture
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/// </summary>
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private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
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private readonly Dictionary<string, Dictionary<string, ParentalRating>> _allParentalRatings =
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new Dictionary<string, Dictionary<string, ParentalRating>>(StringComparer.OrdinalIgnoreCase);
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private readonly IFileSystem _fileSystem;
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private readonly IJsonSerializer _jsonSerializer;
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private readonly ILogger _logger;
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private static readonly Assembly _assembly = typeof(LocalizationManager).Assembly;
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/// <summary>
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/// Initializes a new instance of the <see cref="LocalizationManager" /> class.
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/// </summary>
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/// <param name="configurationManager">The configuration manager.</param>
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/// <param name="fileSystem">The file system.</param>
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/// <param name="jsonSerializer">The json serializer.</param>
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public LocalizationManager(
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IServerConfigurationManager configurationManager,
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IFileSystem fileSystem,
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IJsonSerializer jsonSerializer,
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ILoggerFactory loggerFactory)
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{
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_configurationManager = configurationManager;
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_fileSystem = fileSystem;
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_jsonSerializer = jsonSerializer;
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_logger = loggerFactory.CreateLogger(nameof(LocalizationManager));
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}
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public async Task LoadAll()
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{
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const string ratingsResource = "Emby.Server.Implementations.Localization.Ratings.";
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Directory.CreateDirectory(LocalizationPath);
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var existingFiles = GetRatingsFiles(LocalizationPath).Select(Path.GetFileName);
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// Extract from the assembly
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foreach (var resource in _assembly.GetManifestResourceNames())
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{
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if (!resource.StartsWith(ratingsResource))
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{
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continue;
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}
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string filename = "ratings-" + resource.Substring(ratingsResource.Length);
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if (existingFiles.Contains(filename))
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{
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continue;
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}
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using (var stream = _assembly.GetManifestResourceStream(resource))
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{
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string target = Path.Combine(LocalizationPath, filename);
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_logger.LogInformation("Extracting ratings to {0}", target);
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using (var fs = _fileSystem.GetFileStream(target, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read))
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{
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await stream.CopyToAsync(fs);
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}
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}
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}
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foreach (var file in GetRatingsFiles(LocalizationPath))
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{
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await LoadRatings(file);
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}
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LoadAdditionalRatings();
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await LoadCultures();
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}
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private void LoadAdditionalRatings()
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{
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LoadRatings("au", new[]
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{
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new ParentalRating("AU-G", 1),
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new ParentalRating("AU-PG", 5),
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new ParentalRating("AU-M", 6),
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new ParentalRating("AU-MA15+", 7),
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new ParentalRating("AU-M15+", 8),
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new ParentalRating("AU-R18+", 9),
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new ParentalRating("AU-X18+", 10),
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new ParentalRating("AU-RC", 11)
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});
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LoadRatings("be", new[]
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{
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new ParentalRating("BE-AL", 1),
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new ParentalRating("BE-MG6", 2),
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new ParentalRating("BE-6", 3),
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new ParentalRating("BE-9", 5),
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new ParentalRating("BE-12", 6),
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new ParentalRating("BE-16", 8)
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});
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LoadRatings("de", new[]
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{
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new ParentalRating("DE-0", 1),
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new ParentalRating("FSK-0", 1),
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new ParentalRating("DE-6", 5),
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new ParentalRating("FSK-6", 5),
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new ParentalRating("DE-12", 7),
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new ParentalRating("FSK-12", 7),
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new ParentalRating("DE-16", 8),
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new ParentalRating("FSK-16", 8),
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new ParentalRating("DE-18", 9),
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new ParentalRating("FSK-18", 9)
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});
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LoadRatings("ru", new[]
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{
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new ParentalRating("RU-0+", 1),
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new ParentalRating("RU-6+", 3),
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new ParentalRating("RU-12+", 7),
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new ParentalRating("RU-16+", 9),
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new ParentalRating("RU-18+", 10)
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});
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}
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private void LoadRatings(string country, ParentalRating[] ratings)
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{
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_allParentalRatings[country] = ratings.ToDictionary(i => i.Name);
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}
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private IEnumerable<string> GetRatingsFiles(string directory)
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=> _fileSystem.GetFilePaths(directory, false)
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.Where(i => string.Equals(Path.GetExtension(i), ".csv", StringComparison.OrdinalIgnoreCase))
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.Where(i => Path.GetFileName(i).StartsWith("ratings-", StringComparison.OrdinalIgnoreCase));
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/// <summary>
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/// Gets the localization path.
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/// </summary>
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/// <value>The localization path.</value>
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public string LocalizationPath
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=> Path.Combine(_configurationManager.ApplicationPaths.ProgramDataPath, "localization");
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public string NormalizeFormKD(string text)
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=> text.Normalize(NormalizationForm.FormKD);
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private CultureDto[] _cultures;
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/// <summary>
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/// Gets the cultures.
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/// </summary>
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/// <returns>IEnumerable{CultureDto}.</returns>
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public CultureDto[] GetCultures()
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=> _cultures;
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private async Task LoadCultures()
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{
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List<CultureDto> list = new List<CultureDto>();
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const string path = "Emby.Server.Implementations.Localization.iso6392.txt";
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using (var stream = _assembly.GetManifestResourceStream(path))
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using (var reader = new StreamReader(stream))
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{
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while (!reader.EndOfStream)
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{
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var line = await reader.ReadLineAsync();
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if (string.IsNullOrWhiteSpace(line))
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{
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continue;
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}
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var parts = line.Split('|');
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if (parts.Length == 5)
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{
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string name = parts[3];
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if (string.IsNullOrWhiteSpace(name))
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{
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continue;
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}
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string twoCharName = parts[2];
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if (string.IsNullOrWhiteSpace(twoCharName))
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{
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continue;
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}
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string[] threeletterNames;
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if (string.IsNullOrWhiteSpace(parts[1]))
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{
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threeletterNames = new [] { parts[0] };
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}
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else
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{
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threeletterNames = new [] { parts[0], parts[1] };
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}
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list.Add(new CultureDto
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{
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DisplayName = name,
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Name = name,
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ThreeLetterISOLanguageNames = threeletterNames,
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TwoLetterISOLanguageName = twoCharName
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});
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}
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}
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}
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_cultures = list.ToArray();
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}
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public CultureDto FindLanguageInfo(string language)
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=> GetCultures()
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.FirstOrDefault(i =>
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string.Equals(i.DisplayName, language, StringComparison.OrdinalIgnoreCase)
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|| string.Equals(i.Name, language, StringComparison.OrdinalIgnoreCase)
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|| i.ThreeLetterISOLanguageNames.Contains(language, StringComparer.OrdinalIgnoreCase)
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|| string.Equals(i.TwoLetterISOLanguageName, language, StringComparison.OrdinalIgnoreCase));
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/// <summary>
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/// Gets the countries.
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/// </summary>
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/// <returns>IEnumerable{CountryInfo}.</returns>
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public Task<CountryInfo[]> GetCountries()
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=> _jsonSerializer.DeserializeFromStreamAsync<CountryInfo[]>(
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_assembly.GetManifestResourceStream("Emby.Server.Implementations.Localization.countries.json"));
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/// <summary>
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/// Gets the parental ratings.
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/// </summary>
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/// <returns>IEnumerable{ParentalRating}.</returns>
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public IEnumerable<ParentalRating> GetParentalRatings()
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=> GetParentalRatingsDictionary().Values;
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/// <summary>
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/// Gets the parental ratings dictionary.
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/// </summary>
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/// <returns>Dictionary{System.StringParentalRating}.</returns>
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private Dictionary<string, ParentalRating> GetParentalRatingsDictionary()
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{
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var countryCode = _configurationManager.Configuration.MetadataCountryCode;
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if (string.IsNullOrEmpty(countryCode))
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{
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countryCode = "us";
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}
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return GetRatings(countryCode) ?? GetRatings("us");
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}
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/// <summary>
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/// Gets the ratings.
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/// </summary>
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/// <param name="countryCode">The country code.</param>
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private Dictionary<string, ParentalRating> GetRatings(string countryCode)
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{
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_allParentalRatings.TryGetValue(countryCode, out var value);
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return value;
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}
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/// <summary>
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/// Loads the ratings.
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/// </summary>
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/// <param name="file">The file.</param>
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/// <returns>Dictionary{System.StringParentalRating}.</returns>
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private async Task LoadRatings(string file)
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{
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Dictionary<string, ParentalRating> dict
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= new Dictionary<string, ParentalRating>(StringComparer.OrdinalIgnoreCase);
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using (var str = File.OpenRead(file))
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using (var reader = new StreamReader(str))
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{
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string line;
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while ((line = await reader.ReadLineAsync()) != null)
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{
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if (string.IsNullOrWhiteSpace(line))
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{
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continue;
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}
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string[] parts = line.Split(',');
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if (parts.Length == 2
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&& int.TryParse(parts[1], NumberStyles.Integer, UsCulture, out var value))
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{
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dict.Add(parts[0], (new ParentalRating { Name = parts[0], Value = value }));
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}
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#if DEBUG
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else
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{
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_logger.LogWarning("Misformed line in {Path}", file);
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}
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#endif
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}
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}
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var countryCode = Path.GetFileNameWithoutExtension(file).Split('-')[1];
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_allParentalRatings[countryCode] = dict;
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}
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private static readonly string[] _unratedValues = { "n/a", "unrated", "not rated" };
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/// <summary>
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/// Gets the rating level.
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/// </summary>
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public int? GetRatingLevel(string rating)
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{
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if (string.IsNullOrEmpty(rating))
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{
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throw new ArgumentNullException(nameof(rating));
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}
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if (_unratedValues.Contains(rating, StringComparer.OrdinalIgnoreCase))
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{
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return null;
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}
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// Fairly common for some users to have "Rated R" in their rating field
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rating = rating.Replace("Rated ", string.Empty, StringComparison.OrdinalIgnoreCase);
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var ratingsDictionary = GetParentalRatingsDictionary();
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if (ratingsDictionary.TryGetValue(rating, out ParentalRating value))
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{
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return value.Value;
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}
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// If we don't find anything check all ratings systems
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foreach (var dictionary in _allParentalRatings.Values)
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{
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if (dictionary.TryGetValue(rating, out value))
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{
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return value.Value;
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}
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}
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// Try splitting by : to handle "Germany: FSK 18"
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var index = rating.IndexOf(':');
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if (index != -1)
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{
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rating = rating.Substring(index).TrimStart(':').Trim();
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if (!string.IsNullOrWhiteSpace(rating))
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{
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return GetRatingLevel(rating);
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}
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}
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// TODO: Further improve by normalizing out all spaces and dashes
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return null;
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}
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public bool HasUnicodeCategory(string value, UnicodeCategory category)
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{
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foreach (var chr in value)
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{
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if (char.GetUnicodeCategory(chr) == category)
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{
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return true;
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}
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}
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return false;
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}
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public string GetLocalizedString(string phrase)
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{
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return GetLocalizedString(phrase, _configurationManager.Configuration.UICulture);
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}
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public string GetLocalizedString(string phrase, string culture)
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{
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if (string.IsNullOrEmpty(culture))
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{
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culture = _configurationManager.Configuration.UICulture;
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}
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if (string.IsNullOrEmpty(culture))
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{
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culture = DefaultCulture;
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}
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var dictionary = GetLocalizationDictionary(culture);
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if (dictionary.TryGetValue(phrase, out var value))
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{
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return value;
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}
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return phrase;
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}
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private const string DefaultCulture = "en-US";
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private readonly ConcurrentDictionary<string, Dictionary<string, string>> _dictionaries =
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new ConcurrentDictionary<string, Dictionary<string, string>>(StringComparer.OrdinalIgnoreCase);
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public Dictionary<string, string> GetLocalizationDictionary(string culture)
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{
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if (string.IsNullOrEmpty(culture))
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{
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throw new ArgumentNullException(nameof(culture));
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}
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const string prefix = "Core";
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var key = prefix + culture;
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return _dictionaries.GetOrAdd(key,
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f => GetDictionary(prefix, culture, DefaultCulture + ".json").GetAwaiter().GetResult());
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}
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private async Task<Dictionary<string, string>> GetDictionary(string prefix, string culture, string baseFilename)
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{
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if (string.IsNullOrEmpty(culture))
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{
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throw new ArgumentNullException(nameof(culture));
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}
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var dictionary = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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var namespaceName = GetType().Namespace + "." + prefix;
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await CopyInto(dictionary, namespaceName + "." + baseFilename);
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await CopyInto(dictionary, namespaceName + "." + GetResourceFilename(culture));
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return dictionary;
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}
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private async Task CopyInto(IDictionary<string, string> dictionary, string resourcePath)
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{
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using (var stream = _assembly.GetManifestResourceStream(resourcePath))
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{
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// If a Culture doesn't have a translation the stream will be null and it defaults to en-us further up the chain
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if (stream != null)
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{
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var dict = await _jsonSerializer.DeserializeFromStreamAsync<Dictionary<string, string>>(stream);
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foreach (var key in dict.Keys)
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{
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dictionary[key] = dict[key];
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}
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}
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}
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}
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private static string GetResourceFilename(string culture)
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{
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var parts = culture.Split('-');
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if (parts.Length == 2)
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{
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culture = parts[0].ToLowerInvariant() + "-" + parts[1].ToUpperInvariant();
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}
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else
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{
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culture = culture.ToLowerInvariant();
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}
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return culture + ".json";
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}
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public LocalizationOption[] GetLocalizationOptions()
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=> new LocalizationOption[]
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{
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new LocalizationOption("Arabic", "ar"),
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new LocalizationOption("Belarusian (Belarus)", "be-BY"),
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new LocalizationOption("Bulgarian (Bulgaria)", "bg-BG"),
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new LocalizationOption("Catalan", "ca"),
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new LocalizationOption("Chinese Simplified", "zh-CN"),
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new LocalizationOption("Chinese Traditional", "zh-TW"),
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new LocalizationOption("Chinese Traditional (Hong Kong)", "zh-HK"),
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new LocalizationOption("Croatian", "hr"),
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new LocalizationOption("Czech", "cs"),
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new LocalizationOption("Danish", "da"),
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new LocalizationOption("Dutch", "nl"),
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new LocalizationOption("English (United Kingdom)", "en-GB"),
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new LocalizationOption("English (United States)", "en-US"),
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new LocalizationOption("Finnish", "fi"),
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new LocalizationOption("French", "fr"),
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new LocalizationOption("French (Canada)", "fr-CA"),
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new LocalizationOption("German", "de"),
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new LocalizationOption("Greek", "el"),
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new LocalizationOption("Hebrew", "he"),
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new LocalizationOption("Hindi (India)", "hi-IN"),
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new LocalizationOption("Hungarian", "hu"),
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new LocalizationOption("Indonesian", "id"),
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new LocalizationOption("Italian", "it"),
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new LocalizationOption("Japanese", "ja"),
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new LocalizationOption("Kazakh", "kk"),
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new LocalizationOption("Korean", "ko"),
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new LocalizationOption("Lithuanian", "lt-LT"),
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new LocalizationOption("Malay", "ms"),
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new LocalizationOption("Norwegian Bokmål", "nb"),
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new LocalizationOption("Persian", "fa"),
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new LocalizationOption("Polish", "pl"),
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new LocalizationOption("Portuguese (Brazil)", "pt-BR"),
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new LocalizationOption("Portuguese (Portugal)", "pt-PT"),
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new LocalizationOption("Romanian", "ro"),
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new LocalizationOption("Russian", "ru"),
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new LocalizationOption("Slovak", "sk"),
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new LocalizationOption("Slovenian (Slovenia)", "sl-SI"),
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new LocalizationOption("Spanish", "es"),
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new LocalizationOption("Spanish (Latin America)", "es-419"),
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new LocalizationOption("Spanish (Mexico)", "es-MX"),
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new LocalizationOption("Swedish", "sv"),
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new LocalizationOption("Swiss German", "gsw"),
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new LocalizationOption("Turkish", "tr"),
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new LocalizationOption("Ukrainian", "uk"),
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new LocalizationOption("Vietnamese", "vi")
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};
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}
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}
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