Add playlist id getter for channel (#53)

Author: joostlek

src/youtubeaio/models.py

@@ -108,6 +108,11 @@ class YouTubeChannel(BaseModel):
         alias="contentDetails",
     )
 
+    @property
+    def upload_playlist_id(self) -> str:
+        """Return playlist id with uploads from channel."""
+        return str(self.channel_id).replace("UC", "UU", 1)
+
 
 class YouTubeSubscriptionSnippet(BaseModel):
     """Model representing a YouTube subscription snippet."""

tests/test_channel.py

@@ -32,6 +32,8 @@ async def test_fetch_channel(
         )
         channel = await channel_generator.__anext__()
         assert channel
+        assert channel.channel_id == "UC_x5XG1OV2P6uZZ5FSM9Ttw"
+        assert channel.upload_playlist_id == "UU_x5XG1OV2P6uZZ5FSM9Ttw"
         assert channel.snippet
         assert channel.snippet.published_at == datetime(
             2007,