package i18n import ( "strings" "github.com/cloudfoundry/jibber_jabber" "github.com/go-errors/errors" "github.com/imdario/mergo" "github.com/sirupsen/logrus" ) // Localizer will translate a message into the user's language type Localizer struct { Log *logrus.Entry S TranslationSet } func NewTranslationSetFromConfig(log *logrus.Entry, configLanguage string) (*TranslationSet, error) { if configLanguage == "auto" { language := detectLanguage(jibber_jabber.DetectLanguage) return NewTranslationSet(log, language), nil } for key := range GetTranslationSets() { if key == configLanguage { return NewTranslationSet(log, configLanguage), nil } } return NewTranslationSet(log, "en"), errors.New("Language not found: " + configLanguage) } func NewTranslationSet(log *logrus.Entry, language string) *TranslationSet { log.Info("language: " + language) baseSet := EnglishTranslationSet() for languageCode, translationSet := range GetTranslationSets() { if strings.HasPrefix(language, languageCode) { _ = mergo.Merge(&baseSet, translationSet, mergo.WithOverride) } } return &baseSet } // GetTranslationSets gets all the translation sets, keyed by language code func GetTranslationSets() map[string]TranslationSet { return map[string]TranslationSet{ "pl": polishTranslationSet(), "nl": dutchTranslationSet(), "en": EnglishTranslationSet(), "zh": chineseTranslationSet(), "ja": japaneseTranslationSet(), "ko": koreanTranslationSet(), } } // detectLanguage extracts user language from environment func detectLanguage(langDetector func() (string, error)) string { if userLang, err := langDetector(); err == nil { return userLang } return "C" }