fix: add device caching

Author: TimNekk

app/spotify/service.py

@@ -44,8 +44,12 @@ def play(self, track: Track) -> None:
                 raise TrackNotFoundError(e.msg)
 
     def refresh_devices(self) -> list[Device]:
-        self.__devices = self.__get_devices_from_api()
-        self.__current_device_index = 0
+        devices_from_api = self.__get_devices_from_api()
+
+        if devices_from_api != self.__devices:
+            self.__devices = devices_from_api
+            self.__current_device_index = 0
+
         return self.__devices
 
     def next_device(self) -> Device | None:
@@ -68,10 +72,33 @@ def get_current_device(self) -> Device | None:
 
         return self.__devices[self.__current_device_index]
 
+    def get_current_device_index(self) -> int:
+        return self.__current_device_index
+
     def get_devices(self) -> list[Device]:
-        print(self.__devices)
         return self.__devices
 
+    def get_devices_count(self) -> int:
+        return len(self.__devices)
+
     def __get_devices_from_api(self) -> list[Device]:
         devices_json = self.__api.devices()["devices"]
         return [Device(**device) for device in devices_json]
+
+
+
+if __name__ == "__main__":
+    import os
+
+    SPOTIFY_CLIENT_ID = "f194ec87794e4505ace8cb76a65b37df"
+    SPOTIFY_CLIENT_SECRET = "324b3a763f704dbeb0764f9e2bf8d53a"
+
+    service = SpotifyService(
+        client_id=SPOTIFY_CLIENT_ID,
+        client_secret=SPOTIFY_CLIENT_SECRET,
+        redirect_uri="http://localhost:8080"
+    )
+
+    print(service.get_devices())
+
+    service.play(Track(id="2bqS0QtnXGjOYs3z6VtSyW"))