feat: i18n with default lang zh-Hans (translating)

i18n/i18n.go

@@ -0,0 +1,60 @@
+package i18n
+
+import (
+	"embed"
+
+	"maps"
+
+	"github.com/krau/SaveAny-Bot/common"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"github.com/pelletier/go-toml/v2"
+	"golang.org/x/text/language"
+)
+
+//go:embed locale/*.toml
+var localesFS embed.FS
+
+var (
+	bundle    *i18n.Bundle
+	localizer *i18n.Localizer
+)
+
+func Init(lang string) {
+	bundle = i18n.NewBundle(language.SimplifiedChinese)
+	bundle.RegisterUnmarshalFunc("toml", toml.Unmarshal)
+	files, err := localesFS.ReadDir("locale")
+	if err != nil {
+		panic("failed to read locale directory: " + err.Error())
+	}
+	for _, file := range files {
+		if _, err := bundle.LoadMessageFileFS(localesFS, "locale/"+file.Name()); err != nil {
+			panic("failed to load message file: " + err.Error())
+		}
+	}
+	if lang == "" {
+		lang = "zh-Hans"
+	}
+	localizer = i18n.NewLocalizer(bundle, lang)
+	if localizer == nil {
+		panic("failed to create localizer, check your config for valid language setting")
+	}
+}
+
+func T(key string, templateData ...map[string]any) string {
+	if localizer == nil || bundle == nil {
+		panic("localizer or bundle is not initialized, call Init() first")
+	}
+	templateDataMap := make(map[string]any)
+	for _, data := range templateData {
+		maps.Copy(templateDataMap, data)
+	}
+	msg, err := localizer.Localize(&i18n.LocalizeConfig{
+		MessageID:    key,
+		TemplateData: templateDataMap,
+	})
+	if err != nil {
+		common.Log.Errorf("failed to localize message for key '%s': %v", key, err)
+		return key
+	}
+	return msg
+}

i18n/i18nk/keys.go

@@ -0,0 +1,13 @@
+// Code generated by cmd/gen_i18n. DO NOT EDIT.
+package i18nk
+
+const (
+	CleanCacheFailed = "CleanCacheFailed"
+	CleaningCache = "CleaningCache"
+	GetCacheAbsPathFailed = "GetCacheAbsPathFailed"
+	GetWorkdirFailed = "GetWorkdirFailed"
+	InvalidCacheDir = "InvalidCacheDir"
+	Bye = "bye"
+	Exiting = "exiting"
+	Initing = "initing"
+)

i18n/locale/zh-Hans.toml

@@ -0,0 +1,16 @@
+[initing]
+other = "正在启动..."
+[exiting]
+other = "正在退出..."
+[bye]
+other = "已退出"
+[InvalidCacheDir]
+other = "无效的缓存文件夹: {{.Path}}"
+[GetWorkdirFailed]
+other = "获取工作目录失败: {{.Error}}"
+[GetCacheAbsPathFailed]
+other = "获取缓存绝对路径失败: {{.Error}}"
+[CleaningCache]
+other = "正在清理缓存文件夹: {{.Path}}"
+[CleanCacheFailed]
+other = "清理缓存失败: {{.Error}}"