refactor: support i18n

internal/pkg/i18nx/context.go

@@ -0,0 +1,27 @@
+package i18nx
+
+import "github.com/gin-gonic/gin"
+
+const contextLocaleKey = "i18nx.locale"
+
+func Locale(ctx *gin.Context) string {
+	if ctx == nil {
+		return LocaleZhCN
+	}
+	value, ok := ctx.Get(contextLocaleKey)
+	if !ok {
+		return LocaleZhCN
+	}
+	locale, ok := value.(string)
+	if !ok {
+		return LocaleZhCN
+	}
+	return NormalizeLocale(locale)
+}
+
+func SetLocale(ctx *gin.Context, locale string) {
+	if ctx == nil {
+		return
+	}
+	ctx.Set(contextLocaleKey, NormalizeLocale(locale))
+}