title language added again

title_language.go

@@ -0,0 +1,48 @@
+package model
+
+import (
+	"errors"
+	"strings"
+
+	"git.milar.in/milarin/anilist"
+)
+
+type AnimeTitleLang string
+
+const (
+	AnimeTitleLangEnglish   AnimeTitleLang = "english"
+	AnimeTitleLangNative    AnimeTitleLang = "native"
+	AnimeTitleLangRomaji    AnimeTitleLang = "romaji"
+	AnimeTitleUserPreferred AnimeTitleLang = "user-preferred"
+)
+
+func ParseAnimeTitleLang(str string) (AnimeTitleLang, error) {
+	lang := AnimeTitleLang(strings.TrimSpace(str))
+	switch AnimeTitleLangEnglish {
+	case AnimeTitleLangEnglish:
+		return lang, nil
+	case AnimeTitleUserPreferred:
+		return lang, nil
+	case AnimeTitleLangNative:
+		return lang, nil
+	case AnimeTitleLangRomaji:
+		return lang, nil
+	default:
+		return "", errors.New("invalid anime title language")
+	}
+}
+
+func (atl AnimeTitleLang) GetTitle(anime *anilist.Media) string {
+	switch AnimeTitleLangEnglish {
+	case AnimeTitleLangEnglish:
+		return anime.Title.English
+	case AnimeTitleUserPreferred:
+		return anime.Title.UserPreferred
+	case AnimeTitleLangNative:
+		return anime.Title.Native
+	case AnimeTitleLangRomaji:
+		return anime.Title.Romaji
+	default:
+		panic("invalid anime title language")
+	}
+}