rewrite using IoC and DI

common/i18n/i18n.go

@@ -0,0 +1,63 @@
+package i18n
+
+import (
+	"AynaLivePlayer/common/util"
+	"AynaLivePlayer/config"
+	"encoding/json"
+	"os"
+)
+
+const FILENAME = "translation.json"
+
+type Translation struct {
+	Languages []string
+	Messages  map[string]map[string]string
+}
+
+func (t *Translation) HasLanguage(lang string) bool {
+	for _, l := range t.Languages {
+		if l == lang {
+			return true
+		}
+	}
+	return false
+}
+
+var TranslationMap Translation
+var CurrentLanguage string
+
+func init() {
+	TranslationMap = Translation{make([]string, 0), make(map[string]map[string]string)}
+	file, err := os.ReadFile(config.GetAssetPath(FILENAME))
+	if err == nil {
+		_ = json.Unmarshal([]byte(file), &TranslationMap)
+	}
+	LoadLanguage(config.General.Language)
+}
+
+func LoadLanguage(lang string) {
+	CurrentLanguage = lang
+	if TranslationMap.HasLanguage(lang) {
+		return
+	}
+	TranslationMap.Languages = append(TranslationMap.Languages, lang)
+	for id, m := range TranslationMap.Messages {
+		m[lang] = id
+	}
+}
+
+func T(id string) string {
+	if x, ok := TranslationMap.Messages[id]; ok {
+		return x[CurrentLanguage]
+	}
+	TranslationMap.Messages[id] = make(map[string]string)
+	for _, l := range TranslationMap.Languages {
+		TranslationMap.Messages[id][l] = id
+	}
+	return id
+}
+
+func SaveTranslation() {
+	content, _ := util.MarshalIndentUnescape(TranslationMap, "", "  ")
+	_ = os.WriteFile(config.GetAssetPath(FILENAME), []byte(content), 0666)
+}