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jellyfin/MediaBrowser.Server.Impleme.../Localization/LocalizationManager.cs

217 lines
7.0 KiB

using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Localization;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Globalization;
using MoreLinq;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.Localization
{
/// <summary>
/// Class LocalizationManager
/// </summary>
public class LocalizationManager : ILocalizationManager
{
/// <summary>
/// The _configuration manager
/// </summary>
private readonly IServerConfigurationManager _configurationManager;
/// <summary>
/// The us culture
/// </summary>
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
/// <summary>
/// Initializes a new instance of the <see cref="LocalizationManager"/> class.
/// </summary>
/// <param name="configurationManager">The configuration manager.</param>
public LocalizationManager(IServerConfigurationManager configurationManager)
{
_configurationManager = configurationManager;
}
/// <summary>
/// Gets the localization path.
/// </summary>
/// <value>The localization path.</value>
public string LocalizationPath
{
get
{
return Path.Combine(_configurationManager.ApplicationPaths.ProgramDataPath, "localization");
}
}
/// <summary>
/// Gets the cultures.
/// </summary>
/// <returns>IEnumerable{CultureDto}.</returns>
public IEnumerable<CultureDto> GetCultures()
{
return CultureInfo.GetCultures(CultureTypes.AllCultures)
.OrderBy(c => c.DisplayName)
.DistinctBy(c => c.TwoLetterISOLanguageName + c.ThreeLetterISOLanguageName)
.Select(c => new CultureDto
{
Name = c.Name,
DisplayName = c.DisplayName,
ThreeLetterISOLanguageName = c.ThreeLetterISOLanguageName,
TwoLetterISOLanguageName = c.TwoLetterISOLanguageName
});
}
/// <summary>
/// Gets the countries.
/// </summary>
/// <returns>IEnumerable{CountryInfo}.</returns>
public IEnumerable<CountryInfo> GetCountries()
{
return CultureInfo.GetCultures(CultureTypes.SpecificCultures)
.Select(c => new RegionInfo(c.LCID))
.OrderBy(c => c.DisplayName)
.DistinctBy(c => c.TwoLetterISORegionName)
.Select(c => new CountryInfo
{
Name = c.Name,
DisplayName = c.DisplayName,
TwoLetterISORegionName = c.TwoLetterISORegionName,
ThreeLetterISORegionName = c.ThreeLetterISORegionName
});
}
/// <summary>
/// Gets the parental ratings.
/// </summary>
/// <returns>IEnumerable{ParentalRating}.</returns>
public IEnumerable<ParentalRating> GetParentalRatings()
{
var path = GetRatingsFile();
return File.ReadAllLines(path).Select(i =>
{
if (!string.IsNullOrWhiteSpace(i))
{
var parts = i.Split(',');
if (parts.Length == 2)
{
int value;
if (int.TryParse(parts[1], NumberStyles.Integer, UsCulture, out value))
{
return new ParentalRating { Name = parts[0], Value = value };
}
}
}
return null;
})
.Where(i => i != null)
.OrderBy(p => p.Value);
}
/// <summary>
/// Gets the ratings file.
/// </summary>
/// <returns>System.String.</returns>
private string GetRatingsFile()
{
var countryCode = _configurationManager.Configuration.MetadataCountryCode;
if (string.IsNullOrEmpty(countryCode))
{
countryCode = "us";
}
return GetRatingsFile(countryCode).Result ?? GetRatingsFile("us").Result;
}
/// <summary>
/// Gets the ratings file.
/// </summary>
/// <param name="countryCode">The country code.</param>
/// <returns>Task{System.String}.</returns>
private async Task<string> GetRatingsFile(string countryCode)
{
countryCode = countryCode.ToLower();
var path = Path.Combine(LocalizationPath, "ratings-" + countryCode + ".txt");
if (!File.Exists(path))
{
// Extract embedded resource
var type = GetType();
var resourcePath = type.Namespace + ".Ratings." + countryCode + ".txt";
using (var stream = type.Assembly.GetManifestResourceStream(resourcePath))
{
if (stream == null)
{
return null;
}
var parentPath = Path.GetDirectoryName(path);
if (!Directory.Exists(parentPath))
{
Directory.CreateDirectory(parentPath);
}
using (var fs = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, true))
{
await stream.CopyToAsync(fs).ConfigureAwait(false);
}
}
}
return path;
}
/// <summary>
/// Gets the rating level.
/// </summary>
/// <param name="rating">The rating.</param>
/// <returns>System.Int32.</returns>
/// <exception cref="System.ArgumentNullException">rating</exception>
public int? GetRatingLevel(string rating)
{
if (string.IsNullOrEmpty(rating))
{
throw new ArgumentNullException("rating");
}
var ratingsDictionary = GetParentalRatings().ToDictionary(i => i.Name);
if (ratingsDictionary.ContainsKey(rating))
return ratingsDictionary[rating].Value;
var stripped = StripCountry(rating);
if (ratingsDictionary.ContainsKey(stripped))
return ratingsDictionary[stripped].Value;
return null;
}
/// <summary>
/// Strips the country.
/// </summary>
/// <param name="rating">The rating.</param>
/// <returns>System.String.</returns>
private static string StripCountry(string rating)
{
int start = rating.IndexOf('-');
return start > 0 ? rating.Substring(start + 1) : rating;
}
}
}