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Ombi/PlexRequests.UI/Helpers/CultureHelper.cs

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#region Copyright
// /************************************************************************
// Copyright (c) 2016 Jamie Rees
// File: CultureHelper.cs
// Created By: Jamie Rees
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// ************************************************************************/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
namespace PlexRequests.UI.Helpers
{
public class CultureHelper
{
private static readonly List<string> ValidCultures = new List<string> { "en-US", "de-DE", "fr-FR", "es-ES", "de", "en", "fr", "es","da","sv","it","nl" };
private static readonly List<string> ImplimentedCultures = new List<string> {
"en-US",
"en",
"de",
"fr",
"es",
"da",
"sv",
"it",
"nl"
};
/// <summary>
/// Returns true if the language is a right-to-left language.
/// </summary>
public static bool IsRighToLeft()
{
return Thread.CurrentThread.CurrentCulture.TextInfo.IsRightToLeft;
}
/// <summary>
/// Returns a valid culture name based on "name" parameter. If "name" is not valid, it returns the default culture "en-US"
/// </summary>
/// <param name='name'> Culture's name (e.g. en-US) </param>
public static string GetImplementedCulture(string name)
{
if (string.IsNullOrEmpty(name))
{
return GetDefaultCulture();
}
// Validate the culture
if (!ValidCultures.Any(c => c.Equals(name, StringComparison.InvariantCultureIgnoreCase)))
{
return GetDefaultCulture();
}
if (ImplimentedCultures.Any(c => c.Equals(name, StringComparison.InvariantCultureIgnoreCase)))
{
return name; // We do have the culture, lets go with it
}
// Find a close match.
var match = GetNeutralCulture(name);
foreach (var c in ImplimentedCultures.Where(c => c.StartsWith(match, StringComparison.InvariantCultureIgnoreCase)))
{
return c;
}
return GetDefaultCulture(); // return Default culture since we cannot find anything
}
/// <summary>
/// Returns default culture name which is the first name declared (e.g. en-US)
/// </summary>
/// <returns> Culture string e.g. en-US </returns>
public static string GetDefaultCulture()
{
return ImplimentedCultures[0]; // return first culture
}
public static string GetCurrentCulture()
{
return Thread.CurrentThread.CurrentCulture.Name;
}
public static string GetCurrentNeutralCulture()
{
return GetNeutralCulture(Thread.CurrentThread.CurrentCulture.Name);
}
public static string GetNeutralCulture(string name)
{
if (!name.Contains("-")) return name;
return name.Split('-')[0]; // Read first part only
}
}
}