/// <summary>
/// Effectivly find the value for the requested Key,Category,Culture
/// </summary>
/// <param name="param"></param>
/// <returns></returns>
private async Task <string> GetLocalizedStringAsync(GetLocalizedParam param)
{
LocalizationTree tree = await GetLocalizationTreeAsync(param.CultureInfo).ConfigureAwait(false);
if (tree.LocalizedCategories.TryGetValue(param.Category.ToLowerInvariant(), out LocalizationCategory category) &&
category.LocalizedValues.TryGetValue(param.Key, out string value))
{
return(value);
}
return(null);
}
/// <summary>
/// Combine all possible sources of localized string for a given (culture)
/// into a single Tree containing the most relevent localizations.
///
/// This The localization a found in Resx files
/// The Possible sources are resx files configured in most relevent file first
/// <example>
/// ComposerConfiguration.ResxLocalizationRepositoryConfiguration.PatternsForPossibleSources = {
/// "{category}_Custom.{cultureName}.resx",
/// "{category}_Custom.{twoLetterISOLanguageName}.resx",
/// "{category}_Custom.resx",
/// "{category}.{cultureName}.resx",
/// "{category}.{twoLetterISOLanguageName}.resx",
/// "{category}.resx",
/// };
/// </example>
///
/// <example>
/// string value = await tree.LocalizedCategories[category].LocalizedValues[key].ConfigureAwait(false);
/// </example>
/// </summary>
/// <param name="culture"></param>
/// <returns>Tree of most relevant localized values</returns>
public Task <LocalizationTree> GetLocalizationTreeAsync(CultureInfo culture)
{
if (culture == null)
{
throw new ArgumentNullException("culture");
}
CacheKey localizationTreeCacheKey = new CacheKey(CacheConfigurationCategoryNames.LocalizationTree)
{
CultureInfo = culture,
};
var value = CacheProvider.GetOrAddAsync(localizationTreeCacheKey, async() =>
{
string folderPhysicalPath = "";
LocalizationTree tree = new LocalizationTree(culture);
foreach (var categoryName in LocalizationRepository.GetAllCategories())
{
LocalizationCategory category = new LocalizationCategory(categoryName);
foreach (var source in LocalizationRepository.GetPrioritizedSources(categoryName, culture))
{
Dictionary <string, string> values =
await LocalizationRepository.GetValuesAsync(source).ConfigureAwait(false);
foreach (var kvp in values)
{
if (!category.LocalizedValues.ContainsKey(kvp.Key))
{
category.LocalizedValues.Add(kvp.Key, kvp.Value);
}
}
Regex meinReg = new Regex("^[a-zA-Z]{1}:\\.*");
if (string.IsNullOrEmpty(folderPhysicalPath) && !meinReg.IsMatch(source.VirtualPath))
{
folderPhysicalPath = HostingEnvironment.MapPath(source.VirtualPath.Substring(0, source.VirtualPath.LastIndexOf(source.Name)));
}
}
tree.LocalizedCategories.Add(categoryName.ToLowerInvariant(), category);
}
MonitorLocalizationFiles(localizationTreeCacheKey, folderPhysicalPath);
return(tree);
});
return(value);
}