improve typing

jellyfin/models.py

@@ -1,5 +1,6 @@
 from pydantic import BaseModel
 from enum import Enum
+from typing import Optional, Union
 
 
 class JellyfinMediaType(str, Enum):
@@ -8,11 +9,26 @@ class JellyfinMediaType(str, Enum):
     EPISODE = 'Episode'
 
 
+class JellyfinMusicMediaMetadata(BaseModel):
+    artist: Optional[str]
+    album: Optional[str]
+
+
+class JellyfinMovieMediaMetadata(BaseModel):
+    date: Optional[str]
+
+
+class JellyfinEpisodeMediaMetadata(BaseModel):
+    subtitle: str
+
+
 class JellyfinMediaItem(BaseModel):
     id: str
     name: str
     type: JellyfinMediaType
     image_url: str
-    start: int | None
-    end: int | None
-    metadata: dict
+    start: Optional[int]
+    end: Optional[int]
+    metadata: Union[JellyfinMusicMediaMetadata,
+                    JellyfinMovieMediaMetadata,
+                    JellyfinEpisodeMediaMetadata]