PLT-1800 Load server side locale from the config.json (#3135)

* PLT-1800 Load server side locale from the config.json

* Add support for locales with country specifics

* Fix localization on served locale file as plain/text

* Remove github.com/cloudfoundry/jibber_jabber as vendor dependency

1 files changed, 19 insertions, 12 deletions

diff --git a/utils/i18n.go b/utils/i18n.go
index 2503cd500..b3e10a831 100644
--- a/utils/i18n.go
+++ b/utils/i18n.go
@@ -7,15 +7,16 @@ import (
 	"strings"
 
 	l4g "github.com/alecthomas/log4go"
-	"github.com/cloudfoundry/jibber_jabber"
 	"github.com/mattermost/platform/model"
 	"github.com/nicksnyder/go-i18n/i18n"
 )
 
 var T i18n.TranslateFunc
 var locales map[string]string = make(map[string]string)
+var settings model.LocalizationSettings
 
-func InitTranslations() {
+func InitTranslations(localizationSettings model.LocalizationSettings) {
+	settings = localizationSettings
 	InitTranslationsWithDir("i18n")
 }
 
@@ -34,14 +35,10 @@ func InitTranslationsWithDir(dir string) {
 }
 
 func GetTranslationsBySystemLocale() i18n.TranslateFunc {
-	locale := model.DEFAULT_LOCALE
-	if userLanguage, err := jibber_jabber.DetectLanguage(); err == nil {
-		if _, ok := locales[userLanguage]; ok {
-			locale = userLanguage
-		} else {
-			l4g.Error("Failed to load system translations for '%v' attempting to fall back to '%v'", locale, model.DEFAULT_LOCALE)
-			locale = model.DEFAULT_LOCALE
-		}
+	locale := *settings.DefaultServerLocale
+	if _, ok := locales[locale]; !ok {
+		l4g.Error("Failed to load system translations for '%v' attempting to fall back to '%v'", locale, model.DEFAULT_LOCALE)
+		locale = model.DEFAULT_LOCALE
 	}
 
 	if locales[locale] == "" {
@@ -72,10 +69,20 @@ func SetTranslations(locale string) i18n.TranslateFunc {
 }
 
 func GetTranslationsAndLocale(w http.ResponseWriter, r *http.Request) (i18n.TranslateFunc, string) {
+	// This is for checking against locales like pt_BR or zn_CN
+	headerLocaleFull := strings.Split(r.Header.Get("Accept-Language"), ",")[0]
+	// This is for checking agains locales like en, es
 	headerLocale := strings.Split(strings.Split(r.Header.Get("Accept-Language"), ",")[0], "-")[0]
-	if locales[headerLocale] != "" {
+	defaultLocale := *settings.DefaultClientLocale
+	if locales[headerLocaleFull] != "" {
+		translations := TfuncWithFallback(headerLocaleFull)
+		return translations, headerLocaleFull
+	} else if locales[headerLocale] != "" {
 		translations := TfuncWithFallback(headerLocale)
 		return translations, headerLocale
+	} else if locales[defaultLocale] != "" {
+		translations := TfuncWithFallback(defaultLocale)
+		return translations, headerLocale
 	}
 
 	translations := TfuncWithFallback(model.DEFAULT_LOCALE)
@@ -89,7 +96,7 @@ func TfuncWithFallback(pref string) i18n.TranslateFunc {
 			return translated
 		}
 
-		t, _ := i18n.Tfunc("en")
+		t, _ := i18n.Tfunc(model.DEFAULT_LOCALE)
 		return t(translationID, args...)
 	}
 }