add GetGenreByLanguage

model/genre.go

@@ -97,3 +97,14 @@ var Genres = map[string]map[string]string{
 		"zh-Hant": "政府",
 	},
 }
+
+func GetGenreByLanguage(language string) map[string]string {
+	m := make(map[string]string)
+	for genreId, v := range Genres {
+		genre, ok := v[language]
+		if ok {
+			m[genreId] = genre
+		}
+	}
+	return m
+}