WIP: feat: translation support

See #483

pkg/lang/lang.go

@@ -1,30 +1,31 @@
 package lang
 
 import (
+	"embed"
+	"fmt"
 	"os"
-	"strings"
+
+	"github.com/leonelquinteros/gotext"
 )
 
+//go:embed locales
+var assetFS embed.FS
+
 func GetLocale() string {
-	if loc := os.Getenv("LC_MESSAGES"); loc != "" {
-		return NormalizeLocale(loc)
-	}
-
-	if loc := os.Getenv("LANG"); loc != "" {
-		return NormalizeLocale(loc)
-	}
-
-	return "C.UTF-8"
+	return os.Getenv("LANG")
 }
 
-func NormalizeLocale(loc string) string {
-	if idx := strings.Index(loc, "."); idx != -1 {
-		return loc[:idx]
+func LoadLocale(locale string) error {
+	localePath := fmt.Sprintf("locales/%s/%s.po", locale)
+
+	b, err := assetFS.ReadFile(localePath)
+	if err != nil {
+		return fmt.Errorf("unable to load %s: %s", localePath, err)
 	}
 
-	if idx := strings.Index(loc, "@"); idx != -1 {
-		return loc[:idx]
-	}
+	po := gotext.NewPo()
+	po.Parse(b)
+	gotext.GetStorage().AddTranslator("abra", po)
 
-	return loc
+	return nil
 }