Files
vrobbler/vrobbler/apps/scrobbles/models.py

238 lines
8.1 KiB
Python

import logging
from datetime import timedelta
from typing import Optional
from django.conf import settings
from django.contrib.auth import get_user_model
from django.db import models
from django.utils import timezone
from django_extensions.db.models import TimeStampedModel
from music.models import Track
from podcasts.models import Episode
from scrobbles.utils import check_scrobble_for_finish
from videos.models import Video
logger = logging.getLogger(__name__)
User = get_user_model()
BNULL = {"blank": True, "null": True}
VIDEO_BACKOFF = getattr(settings, 'VIDEO_BACKOFF_MINUTES')
TRACK_BACKOFF = getattr(settings, 'MUSIC_BACKOFF_SECONDS')
VIDEO_WAIT_PERIOD = getattr(settings, 'VIDEO_WAIT_PERIOD_DAYS')
TRACK_WAIT_PERIOD = getattr(settings, 'MUSIC_WAIT_PERIOD_MINUTES')
class Scrobble(TimeStampedModel):
video = models.ForeignKey(Video, on_delete=models.DO_NOTHING, **BNULL)
track = models.ForeignKey(Track, on_delete=models.DO_NOTHING, **BNULL)
podcast_episode = models.ForeignKey(
Episode, on_delete=models.DO_NOTHING, **BNULL
)
user = models.ForeignKey(
User, blank=True, null=True, on_delete=models.DO_NOTHING
)
timestamp = models.DateTimeField(**BNULL)
playback_position_ticks = models.PositiveBigIntegerField(**BNULL)
playback_position = models.CharField(max_length=8, **BNULL)
is_paused = models.BooleanField(default=False)
played_to_completion = models.BooleanField(default=False)
source = models.CharField(max_length=255, **BNULL)
source_id = models.TextField(**BNULL)
in_progress = models.BooleanField(default=True)
scrobble_log = models.TextField(**BNULL)
@property
def percent_played(self) -> int:
if (
self.playback_position_ticks
and self.media_obj.run_time_ticks
and self.source != 'Mopidy'
):
return int(
(self.playback_position_ticks / self.media_obj.run_time_ticks)
* 100
)
# If we don't have media_obj.run_time_ticks, let's guess from created time
now = timezone.now()
playback_duration = (now - self.created).seconds
if playback_duration and self.media_obj.run_time:
return int(
(playback_duration / int(self.media_obj.run_time)) * 100
)
return 0
@property
def media_obj(self):
media_obj = None
if self.video:
media_obj = self.video
if self.track:
media_obj = self.track
if self.podcast_episode:
media_obj = self.podcast_episode
return media_obj
def __str__(self):
return f"Scrobble of {self.media_obj} {self.timestamp.year}-{self.timestamp.month}"
@classmethod
def create_or_update_for_video(
cls, video: "Video", user_id: int, jellyfin_data: dict
) -> "Scrobble":
jellyfin_data['video_id'] = video.id
logger.debug(
f"Creating or updating scrobble for video {video} with data {jellyfin_data}"
)
scrobble = (
cls.objects.filter(video=video, user_id=user_id)
.order_by('-modified')
.first()
)
# Backoff is how long until we consider this a new scrobble
backoff = timezone.now() + timedelta(minutes=VIDEO_BACKOFF)
wait_period = timezone.now() + timedelta(days=VIDEO_WAIT_PERIOD)
return cls.update_or_create(
scrobble, backoff, wait_period, jellyfin_data
)
@classmethod
def create_or_update_for_track(
cls, track: "Track", user_id: int, scrobble_data: dict
) -> "Scrobble":
scrobble_data['track_id'] = track.id
scrobble = (
cls.objects.filter(track=track, user_id=user_id)
.order_by('-modified')
.first()
)
logger.debug(
f"Found existing scrobble for track {track}, updating",
{"scrobble_data": scrobble_data},
)
backoff = timezone.now() + timedelta(seconds=TRACK_BACKOFF)
wait_period = timezone.now() + timedelta(minutes=TRACK_WAIT_PERIOD)
return cls.update_or_create(
scrobble, backoff, wait_period, scrobble_data
)
@classmethod
def create_or_update_for_podcast_episode(
cls, episode: "Episode", user_id: int, scrobble_data: dict
) -> "Scrobble":
scrobble_data['podcast_episode_id'] = episode.id
scrobble = (
cls.objects.filter(podcast_episode=episode, user_id=user_id)
.order_by('-modified')
.first()
)
logger.debug(
f"Found existing scrobble for podcast {episode}, updating",
{"scrobble_data": scrobble_data},
)
backoff = timezone.now() + timedelta(seconds=TRACK_BACKOFF)
wait_period = timezone.now() + timedelta(minutes=TRACK_WAIT_PERIOD)
return cls.update_or_create(
scrobble, backoff, wait_period, scrobble_data
)
@classmethod
def update_or_create(
cls,
scrobble: Optional["Scrobble"],
backoff,
wait_period,
scrobble_data: dict,
) -> Optional["Scrobble"]:
# Status is a field we get from Mopidy, which refuses to poll us
scrobble_status = scrobble_data.pop('mopidy_status', None)
if not scrobble_status:
scrobble_status = scrobble_data.pop('jellyfin_status', None)
if not scrobble_status:
logger.warning(
f"No status update found in message, not scrobbling"
)
return
logger.debug(f"Scrobbling to {scrobble} with status {scrobble_status}")
if scrobble:
scrobble.update_ticks(scrobble_data)
# On stop, stop progress and send it to the check for completion
if scrobble_status == "stopped":
return scrobble.stop()
# On pause, set is_paused and stop scrobbling
if scrobble_status == "paused":
return scrobble.pause()
if scrobble_status == "resumed":
return scrobble.resume()
# We're not changing the scrobble, but we don't want to walk over an existing one
scrobble_is_finished = (
not scrobble.in_progress and scrobble.modified < backoff
)
if scrobble_is_finished:
logger.info(
'Found a very recent scrobble for this item, holding off scrobbling again'
)
return
if not scrobble:
# If we default this to "" we can probably remove this
scrobble_data['scrobble_log'] = ""
scrobble = cls.objects.create(
**scrobble_data,
)
else:
for key, value in scrobble_data.items():
setattr(scrobble, key, value)
scrobble.save()
# If we hit our completion threshold, save it and get ready
# to scrobble again if we re-watch this.
scrobble = check_scrobble_for_finish(scrobble)
return scrobble
def stop(self):
if not self.in_progress:
logger.warning("Scrobble already stopped")
return
self.in_progress = False
self.save(update_fields=['in_progress'])
return check_scrobble_for_finish(self)
def pause(self):
if self.is_paused:
logger.warning("Scrobble already paused")
return
self.is_paused = True
self.save(update_fields=["is_paused"])
return check_scrobble_for_finish(self)
def resume(self):
if self.is_paused or not self.in_progress:
self.is_paused = False
self.in_progress = True
return self.save(update_fields=["is_paused", "in_progress"])
return self
def update_ticks(self, data):
self.playback_position_ticks = data.get("playback_position_ticks")
self.playback_position = data.get("playback_position")
logger.debug(
f"Updating scrobble ticks to {self.playback_position_ticks}"
)
self.save(
update_fields=['playback_position_ticks', 'playback_position']
)
return self