feat(i18n): add initial i18n package with support for multiple languages and email notification translations

pkg/i18n/go.mod

@@ -0,0 +1,9 @@
+module pkg/i18n
+
+go 1.25.5
+
+require (
+	github.com/BurntSushi/toml v1.6.0
+	github.com/nicksnyder/go-i18n/v2 v2.6.1
+	golang.org/x/text v0.35.0
+)

pkg/i18n/go.sum

@@ -0,0 +1,8 @@
+github.com/BurntSushi/toml v1.6.0 h1:dRaEfpa2VI55EwlIW72hMRHdWouJeRF7TPYhI+AUQjk=
+github.com/BurntSushi/toml v1.6.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
+github.com/nicksnyder/go-i18n/v2 v2.6.1 h1:JDEJraFsQE17Dut9HFDHzCoAWGEQJom5s0TRd17NIEQ=
+github.com/nicksnyder/go-i18n/v2 v2.6.1/go.mod h1:Vee0/9RD3Quc/NmwEjzzD7VTZ+Ir7QbXocrkhOzmUKA=
+go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
+go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
+golang.org/x/text v0.35.0 h1:JOVx6vVDFokkpaq1AEptVzLTpDe9KGpj5tR4/X+ybL8=
+golang.org/x/text v0.35.0/go.mod h1:khi/HExzZJ2pGnjenulevKNX1W67CUy0AsXcNubPGCA=

pkg/i18n/i18n.go

@@ -0,0 +1,117 @@
+package i18n
+
+import (
+	"embed"
+	"path"
+	"strings"
+
+	"github.com/BurntSushi/toml"
+	"github.com/nicksnyder/go-i18n/v2/i18n"
+	"golang.org/x/text/language"
+)
+
+//go:embed locales/*.toml
+var translationFS embed.FS
+
+var (
+	bundle             *i18n.Bundle
+	defaultLanguage    = language.English
+	supportedLanguages = []language.Tag{
+		language.English,
+		language.Chinese,
+		language.French,
+	}
+)
+
+// 初始化 i18n bundle
+func Init() error {
+	bundle = i18n.NewBundle(defaultLanguage)
+	bundle.RegisterUnmarshalFunc("toml", toml.Unmarshal)
+
+	// 加载所有翻译文件
+	entries, err := translationFS.ReadDir("locales")
+	if err != nil {
+		return err
+	}
+
+	for _, entry := range entries {
+		if !entry.IsDir() && strings.HasSuffix(entry.Name(), ".toml") {
+			filePath := path.Join("locales", entry.Name())
+			data, err := translationFS.ReadFile(filePath)
+			if err != nil {
+				return err
+			}
+
+			_, err = bundle.ParseMessageFileBytes(data, filePath)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+// 获取针对特定语言的本地化器
+func NewLocalizer(lang string) *i18n.Localizer {
+	// 如果传入空字符串，使用默认语言
+	if lang == "" {
+		return i18n.NewLocalizer(bundle, defaultLanguage.String())
+	}
+
+	// 创建包含回退语言的本地化器
+	return i18n.NewLocalizer(bundle, lang, defaultLanguage.String())
+}
+
+// T 是简化的翻译函数，用于没有参数的简单字符串
+func T(lang, messageID string) string {
+	localizer := NewLocalizer(lang)
+	msg, err := localizer.Localize(&i18n.LocalizeConfig{
+		MessageID: messageID,
+	})
+
+	if err != nil {
+		// 记录错误但返回 messageID 作为回退
+		return messageID
+	}
+
+	return msg
+}
+
+// TWithData 用于包含模板数据的翻译
+func TWithData(lang, messageID string, templateData map[string]interface{}) string {
+	localizer := NewLocalizer(lang)
+	msg, err := localizer.Localize(&i18n.LocalizeConfig{
+		MessageID:    messageID,
+		TemplateData: templateData,
+	})
+
+	if err != nil {
+		return messageID
+	}
+
+	return msg
+}
+
+// TPlural 用于处理复数形式
+func TPlural(lang, messageID string, count interface{}, templateData map[string]interface{}) string {
+	if templateData == nil {
+		templateData = make(map[string]interface{})
+	}
+
+	// 确保 templateData 中包含 Count
+	templateData["Count"] = count
+
+	localizer := NewLocalizer(lang)
+	msg, err := localizer.Localize(&i18n.LocalizeConfig{
+		MessageID:    messageID,
+		PluralCount:  count,
+		TemplateData: templateData,
+	})
+
+	if err != nil {
+		return messageID
+	}
+
+	return msg
+}

pkg/i18n/locales/active.de.toml

@@ -0,0 +1,5 @@
+[notify_email_subject]
+other = "Benachrichtigung zum Share-Download - {{.SiteURL}}"
+
+[notify_email_body]
+other = "Ihr geteilter {{.ShareType}} {{.FileName}} wurde heruntergeladen."

pkg/i18n/locales/active.en.toml

@@ -0,0 +1,5 @@
+[notify_email_subject]
+other = "Share download notification - {{.SiteURL}}"
+
+[notify_email_body]
+other = "Your shared {{.ShareType}} {{.FileName}} was downloaded."

pkg/i18n/locales/active.fr.toml

@@ -0,0 +1,5 @@
+[notify_email_subject]
+other = "Notification de téléchargement du partage - {{.SiteURL}}"
+
+[notify_email_body]
+other = "Votre {{.ShareType}} partagé {{.FileName}} a été téléchargé."

pkg/i18n/locales/active.ja.toml

@@ -0,0 +1,5 @@
+[notify_email_subject]
+other = "共有ダウンロード通知 - {{.SiteURL}}"
+
+[notify_email_body]
+other = "共有した{{.ShareType}} {{.FileName}} がダウンロードされました。"

pkg/i18n/locales/active.ko.toml

@@ -0,0 +1,5 @@
+[notify_email_subject]
+other = "공유 다운로드 알림 - {{.SiteURL}}"
+
+[notify_email_body]
+other = "공유한 {{.ShareType}} {{.FileName}} 이(가) 다운로드되었습니다."

pkg/i18n/locales/active.zh-CN.toml

@@ -0,0 +1,5 @@
+[notify_email_subject]
+other = "分享下载通知 - {{.SiteURL}}"
+
+[notify_email_body]
+other = "IP为{{.IP}}的用户下载了你的{{.FileName}}的{{.ShareType}}。"

pkg/i18n/locales/active.zh-TW.toml

@@ -0,0 +1,5 @@
+[notify_email_subject]
+other = "分享下載通知 - {{.SiteURL}}"
+
+[notify_email_body]
+other = "IP為{{.IP}}的使用者下載了你的{{.FileName}}的{{.ShareType}}。"