from __future__ import absolute_import, unicode_literals
import copy
import logging
import time
from mopidy import models
logger = logging.getLogger(__name__)
class HistoryController(object):
pykka_traversable = True
def __init__(self):
self._history = []
def _add_track(self, track):
"""Add track to the playback history.
Internal method for :class:`mopidy.core.PlaybackController`.
:param track: track to add
:type track: :class:`mopidy.models.Track`
"""
if not isinstance(track, models.Track):
raise TypeError('Only Track objects can be added to the history')
timestamp = int(time.time() * 1000)
name_parts = []
if track.artists:
name_parts.append(
', '.join([artist.name for artist in track.artists]))
if track.name is not None:
name_parts.append(track.name)
name = ' - '.join(name_parts)
ref = models.Ref.track(uri=track.uri, name=name)
self._history.insert(0, (timestamp, ref))
[docs] def get_length(self):
"""Get the number of tracks in the history.
:returns: the history length
:rtype: int
"""
return len(self._history)
[docs] def get_history(self):
"""Get the track history.
The timestamps are milliseconds since epoch.
:returns: the track history
:rtype: list of (timestamp, :class:`mopidy.models.Ref`) tuples
"""
return copy.copy(self._history)