発散解像度 -divergence resolution-

Signed-off-by: Shin'ya Minazuki <shinyoukai@laidback.moe>

api/funkwhale_api/contrib/maloja/funkwhale_ready.py

@@ -0,0 +1,56 @@
+import json
+
+from config import plugins
+
+from .funkwhale_startup import PLUGIN
+
+
+class MalojaException(Exception):
+    pass
+
+
+@plugins.register_hook(plugins.LISTENING_CREATED, PLUGIN)
+def submit_listen(listening, conf, **kwargs):
+    server_url = conf["server_url"]
+    api_key = conf["api_key"]
+    if not server_url or not api_key:
+        return
+
+    logger = PLUGIN["logger"]
+    logger.info("Submitting listening to Maloja at %s", server_url)
+    payload = get_payload(listening, api_key, conf)
+    logger.debug("Maloja payload: %r", payload)
+    url = server_url.rstrip("/") + "/apis/mlj_1/newscrobble"
+    session = plugins.get_session()
+    response = session.post(url, json=payload)
+    response.raise_for_status()
+    details = json.loads(response.text)
+    if details["status"] == "success":
+        logger.info("Maloja listening submitted successfully")
+    else:
+        raise MalojaException(response.text)
+
+
+def get_payload(listening, api_key, conf):
+    track = listening.track
+
+    # See https://github.com/krateng/maloja/blob/master/API.md
+    payload = {
+        "key": api_key,
+        "artists": [track.artist.name],
+        "title": track.title,
+        "time": int(listening.creation_date.timestamp()),
+        "nofix": bool(conf.get("nofix")),
+    }
+
+    if track.album:
+        if track.album.title:
+            payload["album"] = track.album.title
+        if track.album.artist:
+            payload["albumartists"] = [track.album.artist.name]
+
+    upload = track.uploads.filter(duration__gte=0).first()
+    if upload:
+        payload["length"] = upload.duration
+
+    return payload