private static LoadLanguageResult LoadLanguageOrFallbackLanguage(
LanguageResourceService <LanguageResourceDto> languageResourceService,
string languageTwoLetterCode,
string fallbackLanguageTwoLetterCode)
{
var desiredLanguageResourceDto = languageResourceService.Load(languageTwoLetterCode);
if (desiredLanguageResourceDto != null)
{
return(new LoadLanguageResult(
languageTwoLetterCode,
desiredLanguageResourceDto.LocalizedItems
.ToDictionary(x => x.Key, x => x.Value)
));
}
var fallbackLanguageResourceDto = languageResourceService.Load(fallbackLanguageTwoLetterCode);
if (fallbackLanguageResourceDto != null)
{
return(new LoadLanguageResult(
fallbackLanguageTwoLetterCode,
fallbackLanguageResourceDto.LocalizedItems
.ToDictionary(x => x.Key, x => x.Value)
));
}
throw new Exception($"Could not load the LanguageResourceDto for the {nameof(languageTwoLetterCode)} '{languageTwoLetterCode}', nor for the {nameof(fallbackLanguageTwoLetterCode)} '{fallbackLanguageTwoLetterCode}'.");
}
private LanguageResource(
LanguageResourceService <LanguageResourceDto> languageResourceService,
string currentLanguage,
Dictionary <string, string> localizedStrings,
string fallbackLanguageTwoLetterCode)
{
_currentLanguage = currentLanguage ?? throw new ArgumentNullException(nameof(currentLanguage));
_languageResourceService = languageResourceService ?? throw new ArgumentNullException(nameof(languageResourceService));
_localizedStrings = localizedStrings ?? throw new ArgumentNullException(nameof(localizedStrings));
_fallbackLanguageTwoLetterCode = fallbackLanguageTwoLetterCode ?? throw new ArgumentNullException(nameof(fallbackLanguageTwoLetterCode));
}
public static LanguageResource Create(
LanguageResourceService <LanguageResourceDto> languageResourceService,
string initialLanguageTwoLetterCode,
string fallbackLanguageTwoLetterCode)
{
var result = LoadLanguageOrFallbackLanguage(
languageResourceService,
initialLanguageTwoLetterCode,
fallbackLanguageTwoLetterCode
);
return(new LanguageResource(
languageResourceService,
result.Language,
result.LocalizedStrings,
fallbackLanguageTwoLetterCode
));
}
