refactored using the song and src object instead of dict

src/music_kraken/database/song.py

@@ -1,5 +1,31 @@
 from typing import List
+from ..utils.shared import *
 
+import os
+
+class Target:
+    def __init__(self) -> None:
+        self._file = None
+        self._path = None
+
+    def set_file(self, _file: str):
+        self._file = _file
+
+    def get_file(self) -> str | None:
+        if self._file is None:
+            return None
+        return os.path.join(MUSIC_DIR, self._file)
+
+    def set_path(self, _path: str):
+        self._path = _path
+
+    def get_path(self) -> str | None:
+        if self._path is None:
+            return None
+        return os.path.join(MUSIC_DIR, self._path)
+
+    file = property(fget=get_file, fset=set_file)
+    path = property(fget=get_path, fset=set_path)
 
 class Artist:
     def __init__(self, artist_data) -> None:
@@ -20,20 +46,27 @@ class Song:
     def __init__(self, json_response) -> None:
         self.json_data = json_response
 
+        # initialize the data
         self.title = self.json_data['title']
         self.artists = [Artist(a) for a in self.json_data['artists']]
+        self.isrc = self.json_data['isrc']
 
+        # initialize the sources
         self.sources: List[Source] = []
         for src in self.json_data['source']:
             if src['src'] is None:
                 continue
             self.sources.append(Source(src))
-        """
-        artist
-        source
-        """
         
-    def get_artist_names(self):
+        # initialize the target
+        self.target = Target()
+        self.target.file = self.json_data['file']
+        self.target.path = self.json_data['path']
+
+    def has_isrc(self) -> bool:
+        return self.isrc is not None
+
+    def get_artist_names(self) -> List[str]:
         return [a.name for a in self.aritsts]
 
     def __getitem__(self, item):