refactor (#24)

Reviewed-on: #24
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

src/types.rs

@@ -8,3 +8,19 @@ pub enum Type {
     Track,
     Disc,
 }
+
+pub mod access {
+
+    pub fn get_type(t: super::Type) -> Result<String, std::io::Error> {
+        match t {
+            super::Type::Title => Ok("TITLE".to_owned()),
+            super::Type::Artist => Ok("ARTIST".to_owned()),
+            super::Type::Album => Ok("ALBUM".to_owned()),
+            super::Type::AlbumArtist => Ok("ALBUMARTIST".to_owned()),
+            super::Type::Genre => Ok("GENRE".to_owned()),
+            super::Type::Date => Ok("DATE".to_owned()),
+            super::Type::Track => Ok("TRACKNUMBER".to_owned()),
+            super::Type::Disc => Ok("DISCNUMBER".to_owned()),
+        }
+    }
+}