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5c1049054e
* PLT-6471 Properly panic when translations can't be loaded * Print usage messages when errors occur during CLI initialization * Reverted behaviour of FindDir and added second return value to it * Fixed merge conflict
132 lines
3.5 KiB
Go
132 lines
3.5 KiB
Go
package utils
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"path/filepath"
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"strings"
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l4g "github.com/alecthomas/log4go"
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"github.com/mattermost/platform/model"
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"github.com/nicksnyder/go-i18n/i18n"
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)
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var T i18n.TranslateFunc
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var TDefault i18n.TranslateFunc
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var locales map[string]string = make(map[string]string)
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var settings model.LocalizationSettings
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// this functions loads translations from filesystem
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// and assign english while loading server config
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func TranslationsPreInit() error {
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if err := InitTranslationsWithDir("i18n"); err != nil {
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return err
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}
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T = TfuncWithFallback("en")
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TDefault = TfuncWithFallback("en")
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return nil
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}
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func InitTranslations(localizationSettings model.LocalizationSettings) error {
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settings = localizationSettings
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var err error
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T, err = GetTranslationsBySystemLocale()
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return err
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}
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func InitTranslationsWithDir(dir string) error {
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i18nDirectory, found := FindDir(dir)
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if !found {
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return fmt.Errorf("Unable to find i18n directory")
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}
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files, _ := ioutil.ReadDir(i18nDirectory)
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for _, f := range files {
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if filepath.Ext(f.Name()) == ".json" {
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filename := f.Name()
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locales[strings.Split(filename, ".")[0]] = i18nDirectory + filename
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if err := i18n.LoadTranslationFile(i18nDirectory + filename); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func GetTranslationsBySystemLocale() (i18n.TranslateFunc, error) {
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locale := *settings.DefaultServerLocale
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if _, ok := locales[locale]; !ok {
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l4g.Error("Failed to load system translations for '%v' attempting to fall back to '%v'", locale, model.DEFAULT_LOCALE)
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locale = model.DEFAULT_LOCALE
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}
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if locales[locale] == "" {
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return nil, fmt.Errorf("Failed to load system translations for '%v'", model.DEFAULT_LOCALE)
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}
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translations := TfuncWithFallback(locale)
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if translations == nil {
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return nil, fmt.Errorf("Failed to load system translations")
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}
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l4g.Info(translations("utils.i18n.loaded"), locale, locales[locale])
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return translations, nil
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}
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func GetUserTranslations(locale string) i18n.TranslateFunc {
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if _, ok := locales[locale]; !ok {
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locale = model.DEFAULT_LOCALE
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}
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translations := TfuncWithFallback(locale)
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return translations
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}
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func SetTranslations(locale string) i18n.TranslateFunc {
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translations := TfuncWithFallback(locale)
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return translations
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}
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func GetTranslationsAndLocale(w http.ResponseWriter, r *http.Request) (i18n.TranslateFunc, string) {
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// This is for checking against locales like pt_BR or zn_CN
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headerLocaleFull := strings.Split(r.Header.Get("Accept-Language"), ",")[0]
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// This is for checking agains locales like en, es
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headerLocale := strings.Split(strings.Split(r.Header.Get("Accept-Language"), ",")[0], "-")[0]
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defaultLocale := *settings.DefaultClientLocale
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if locales[headerLocaleFull] != "" {
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translations := TfuncWithFallback(headerLocaleFull)
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return translations, headerLocaleFull
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} else if locales[headerLocale] != "" {
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translations := TfuncWithFallback(headerLocale)
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return translations, headerLocale
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} else if locales[defaultLocale] != "" {
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translations := TfuncWithFallback(defaultLocale)
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return translations, headerLocale
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}
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translations := TfuncWithFallback(model.DEFAULT_LOCALE)
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return translations, model.DEFAULT_LOCALE
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}
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func GetSupportedLocales() map[string]string {
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return locales
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}
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func TfuncWithFallback(pref string) i18n.TranslateFunc {
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t, _ := i18n.Tfunc(pref)
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return func(translationID string, args ...interface{}) string {
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if translated := t(translationID, args...); translated != translationID {
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return translated
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}
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t, _ := i18n.Tfunc(model.DEFAULT_LOCALE)
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return t(translationID, args...)
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}
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}
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