feat: Localized method with struct

SpectatorNan · May 20, 2024 · 1171869 · 1171869
1 parent 350cc73
commit 1171869
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diff --git a/README.md b/README.md
@@ -60,4 +60,18 @@ import "github.com/SpectatorNan/go-zero-i18n/goi18nx"
 
 
 
+```
+
+### Support From DB
+```go
+// Shop is a struct from db
+func (s *Shop) Name(ctx context.Context) string {
+	langMap := map[language.Tag]string{
+		language.English: s.NameEn,
+		language.Chinese: s.NameCn,
+		// more language mapping
+	}
+	return goi18nx.LocalizedString(ctx, s.NameCn, langMap)
+}
+
 ```
diff --git a/goi18nx/goi18nx.go b/goi18nx/goi18nx.go
@@ -46,3 +46,15 @@ func FetchCurrentLanguageFromCtx(ctx context.Context) (*language.Tag, bool) {
 	}
 	return nil, false
 }
+
+func LocalizedString(ctx context.Context, defaultValue string, langMap map[language.Tag]string) string {
+	langTag, tagExists := FetchCurrentLanguageFromCtx(ctx)
+	if !tagExists {
+		return defaultValue
+	}
+	str, ok := langMap[*langTag]
+	if !ok {
+		return defaultValue
+	}
+	return str
+}