add scrobble frontend

mopidy_subidy/frontend.py

@@ -0,0 +1,29 @@
+import pykka
+
+import mopidy_subidy
+from mopidy import core
+from mopidy_subidy import subsonic_api
+
+class SubidyFrontend(pykka.ThreadingActor, core.CoreListener):
+    def __init__(self, config, core):
+        super().__init__()
+        subidy_config = config["subidy"]
+        self.subsonic_api = subsonic_api.SubsonicApi(
+            url=subidy_config["url"],
+            username=subidy_config["username"],
+            password=subidy_config["password"],
+            app_name=mopidy_subidy.SubidyExtension.dist_name,
+            legacy_auth=subidy_config["legacy_auth"],
+            api_version=subidy_config["api_version"],
+        )
+        self.scrobble = subidy_config["scrobble"]
+
+    def track_playback_started(self, tl_track):
+        if self.scrobble == True:
+            return self.subsonic_api.send_scrobble(tl_track.track.uri, False)
+
+    def track_playback_ended(self, tl_track, time_position):
+        if self.scrobble == True:
+            time_position = time_position // 1000
+            if time_position < tl_track.track.length // 2:
+                return self.subsonic_api.send_scrobble(tl_track.track.uri, True)