Alex
79 lines
2.5 KiB
C#
79 lines
2.5 KiB
C#
using System.Text.Json;
|
|
|
|
namespace Core.Services;
|
|
|
|
public class I18nService
|
|
{
|
|
private List<string> _locales;
|
|
private Dictionary<string, string> _fallbacks;
|
|
private string _defaultLocale;
|
|
private string _directory;
|
|
|
|
private string _setLocale;
|
|
|
|
private Dictionary<string, Dictionary<string, string>> _loadedLocales = new();
|
|
|
|
public I18nService(List<string> locales, Dictionary<string, string> fallbacks, string defaultLocale, string directory)
|
|
{
|
|
_locales = locales;
|
|
_fallbacks = fallbacks;
|
|
_defaultLocale = defaultLocale;
|
|
_directory = directory;
|
|
|
|
Initialize();
|
|
}
|
|
|
|
private void Initialize()
|
|
{
|
|
var files = Directory.GetFiles(_directory, "*.json");
|
|
if (files.Length == 0)
|
|
throw new Exception($"Localisation files in directory {_directory} not found.");
|
|
foreach (var file in files)
|
|
{
|
|
_loadedLocales.Add(Path.GetFileNameWithoutExtension(file),
|
|
JsonSerializer.Deserialize<Dictionary<string, string>>(File.ReadAllText(file)) ?? new Dictionary<string, string>());
|
|
}
|
|
|
|
if (!_loadedLocales.ContainsKey(_defaultLocale))
|
|
throw new Exception($"The default locale '{_defaultLocale}' does not exist on the loaded locales.");
|
|
}
|
|
|
|
public void SetLocale(string locale)
|
|
{
|
|
if (_loadedLocales.ContainsKey(locale))
|
|
_setLocale = locale;
|
|
else
|
|
{
|
|
var fallback = _fallbacks.Where(kv => locale.StartsWith(kv.Key.Replace("*", "")));
|
|
if (fallback.Any())
|
|
{
|
|
var foundFallbackLocale = fallback.First().Value;
|
|
if (!_loadedLocales.ContainsKey(foundFallbackLocale))
|
|
throw new Exception($"Locale '{locale}' was not defined, and the found fallback locale did not match any of the loaded locales.");
|
|
_setLocale = foundFallbackLocale;
|
|
}
|
|
|
|
_setLocale = _defaultLocale;
|
|
}
|
|
}
|
|
|
|
public string GetLocalised(string key)
|
|
{
|
|
if (!_loadedLocales.TryGetValue(_setLocale, out var locales))
|
|
return key;
|
|
if (!locales.TryGetValue(key, out var value))
|
|
{
|
|
_loadedLocales.TryGetValue(_defaultLocale, out var defaults);
|
|
defaults.TryGetValue(key, out value);
|
|
return value ?? key;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
public string GetLocalised(string key, params object[] args)
|
|
{
|
|
// TODO: Deal with arguments
|
|
return GetLocalised(key);
|
|
}
|
|
} |