new media player interface

aionowplaying/interface.py

@@ -2,6 +2,7 @@
 from typing import List, Optional
 
 from aionowplaying.enum import PlaybackStatus, LoopStatus
+from aionowplaying.model import Metadata
 
 
 # noinspection PyPep8Naming
@@ -173,6 +174,22 @@ def loopStatus(self) -> Optional[LoopStatus]:
     def loopStatus(self, status: LoopStatus):
         pass
 
+    @property
+    def shuffle(self) -> Optional[bool]:
+        return None
+
+    @shuffle.setter
+    def shuffle(self, value: bool):
+        pass
+
+    @property
+    def volume(self) -> Optional[float]:
+        return None
+
+    @volume.setter
+    def volume(self, value: float):
+        pass
+
     @property
     @abstractmethod
     def canPlay(self) -> bool:
@@ -199,3 +216,25 @@ def openUri(self, uri: str):
     @abstractmethod
     def playbackStatus(self) -> PlaybackStatus:
         pass
+
+    @property
+    def rate(self) -> float:
+        return 1.0
+
+    @property
+    def minimumRate(self) -> float:
+        return 1.0
+
+    @property
+    def maximumRate(self) -> float:
+        return 1.0
+
+    @property
+    @abstractmethod
+    def metadata(self) -> Metadata:
+        pass
+
+    @property
+    @abstractmethod
+    def position(self) -> int:
+        pass

aionowplaying/model.py

@@ -0,0 +1,29 @@
+from dataclasses import dataclass
+from datetime import datetime
+from typing import List
+
+
+@dataclass
+class Metadata:
+    trackId: str
+    length: int  # Duration in microseconds
+    artUrl: str
+    album: str
+    albumArtist: List[str]
+    artist: List[str]
+    asText: str  # Track lyrics (should not include timeline)
+    audioBPM: int  # The speed of the music, in beats per minute
+    autoRating: float  # An automatically-generated rating (0.0-1.0)
+    comment: List[str]
+    composer: List[str]
+    contentCreated: datetime
+    discNumber: int  # The disc number on the album that this track is from
+    firstUsed: datetime  # When the track was first played.
+    lastUsed: datetime  # When the track was last played.
+    genre: List[str]
+    lyricist: List[str]
+    title: str
+    trackNumber: int
+    url: str
+    useCount: int
+    userRating: float