Web frontend

python-backend/musicmouse/simulator/driver.py

@@ -24,10 +24,12 @@ from musicmouse.events import (
     ButtonEvent,
     NextTrackRequested,
     PauseRequested,
+    PlayAlbumRequested,
     PlayRequested,
     PrevTrackRequested,
     RfidTokenRead,
     RotaryTurned,
+    SeekRequested,
     SetVolumeRequested,
     TouchButtonPressed,
     TouchButtonReleased,
@@ -169,6 +171,25 @@ class SimulatorDriver:
         self.app.bus.emit(SetVolumeRequested(volume=volume, source="simulator"))
         await self.settle()
 
+    async def play_album(self, title: str, track_index: int = 0) -> None:
+        """Start a library album by title - what the web front-end does."""
+        album = next(
+            (a for a in self.app.library.albums if a.title.lower() == title.lower()), None
+        )
+        if album is None:
+            known = ", ".join(sorted(a.title for a in self.app.library.albums))
+            raise ScriptError(f"unknown album {title!r} (known: {known})")
+        self.app.bus.emit(
+            PlayAlbumRequested(
+                album_id=album.id, track_index=track_index, source="simulator"
+            )
+        )
+        await self.settle()
+
+    async def seek(self, position: float) -> None:
+        self.app.bus.emit(SeekRequested(position=position, source="simulator"))
+        await self.settle()
+
     # -------------------------------------------------------------------- time
 
     async def wait(self, seconds: float) -> None:
@@ -213,6 +234,13 @@ class SimulatorDriver:
                 return self.app.mouse.active_figure or "none"
             case "playlist":
                 return player.playlist.name if player.playlist else "none"
+            case "album":
+                album = self.app.library.get(
+                    player.playlist.album_id if player.playlist else None
+                )
+                return album.title if album else "none"
+            case "position":
+                return f"{player.position:.1f}"
             case "track":
                 return str(player.track_index)
             case "title":
@@ -227,8 +255,8 @@ class SimulatorDriver:
                 return type(effect).__name__ if effect is not None else "none"
             case _:
                 raise ScriptError(
-                    f"unknown property {key!r} (try: playing, figure, playlist, track, "
-                    f"title, volume, brightness, ring, mouse, shelf)"
+                    f"unknown property {key!r} (try: playing, figure, playlist, album, "
+                    f"track, title, position, volume, brightness, ring, mouse, shelf)"
                 )
 
     # ------------------------------------------------------------------ scripts
@@ -275,6 +303,10 @@ class SimulatorDriver:
                 await self.emit_pause()
             case ("volume", [level]):
                 await self.set_volume(_int(level))
+            case ("album", [*words]) if words:
+                await self.play_album(" ".join(words))
+            case ("seek", [position]):
+                await self.seek(Duration.parse(position).seconds)
             case ("disconnect", []):
                 await self.disconnect()
             case ("reconnect", []):