import sqlite3
+from collections import deque
from datetime import (datetime, timedelta)
from sima.lib.meta import Artist, Album
connection = self.get_database_connection()
connection.execute("DELETE FROM history WHERE last_play"
" < datetime('now', '-%i hours')" % duration)
+ connection.execute('VACUUM')
connection.commit()
self.close_database_connection(connection)
- def fetch_artists_history(self, duration=__HIST_DURATION__):
+ def fetch_albums_history(self, needle=None, duration=__HIST_DURATION__):
+ """
+ :param sima.lib.meta.Artist needle: When specified, returns albums history for this artist.
+ """
date = datetime.utcnow() - timedelta(hours=duration)
connection = self.get_database_connection()
connection.row_factory = sqlite3.Row
rows = connection.execute("""
- SELECT artists.name AS name,
- artists.mbid as mbid
+ SELECT albums.name AS name,
+ albums.mbid as mbid,
+ artists.name as artist,
+ artists.mbid as artist_mbib
FROM history
JOIN tracks ON history.track = tracks.id
+ LEFT OUTER JOIN albums ON tracks.album = albums.id
LEFT OUTER JOIN artists ON tracks.artist = artists.id
- WHERE history.last_play > ?
+ WHERE history.last_play > ? AND albums.name NOT NULL AND artists.name NOT NULL
ORDER BY history.last_play DESC""", (date.isoformat(' '),))
hist = list()
for row in rows:
- if hist and hist[-1] == Album(**row): # remove consecutive dupes
+ vals = dict(row)
+ artist = Artist(name=vals.pop('artist'),
+ mbid=vals.pop('artist_mbib'))
+ if needle:
+ if needle != artist:
+ continue
+ album = Album(**vals, artist=artist)
+ if hist and hist[-1] == album:
+ # remove consecutive dupes
continue
- hist.append(Album(**row))
+ hist.append(album)
connection.close()
return hist
- def fetch_history(self, duration=__HIST_DURATION__):
- """Fetches tracks history, more recent first
- :param int duration: How long ago to fetch history from
+ def fetch_artists_history(self, needle=None, duration=__HIST_DURATION__):
+ """Returns a list of Artist objects
+ :param sima.lib.meta.Artist|sima.lib.meta.MetaContainer needle: When specified, returns history for this artist, it's actually testing the artist presence in history.
+ :param sima.lib.meta.MetaContainer needle: When specified, returns history for these artists only
"""
date = datetime.utcnow() - timedelta(hours=duration)
connection = self.get_database_connection()
connection.row_factory = sqlite3.Row
rows = connection.execute("""
- SELECT tracks.title, tracks.file, artists.name AS artist,
- albumartists.name AS albumartist,
- artists.mbid as musicbrainz_artistid,
- albums.name AS album,
- albums.mbid AS musicbrainz_albumid,
- tracks.mbid as musicbrainz_trackid
+ SELECT artists.name AS name,
+ artists.mbid as mbid
FROM history
JOIN tracks ON history.track = tracks.id
LEFT OUTER JOIN artists ON tracks.artist = artists.id
- LEFT OUTER JOIN albumartists ON tracks.albumartist = albumartists.id
- LEFT OUTER JOIN albums ON tracks.album = albums.id
- WHERE history.last_play > ?
+ WHERE history.last_play > ? AND artists.name NOT NULL
ORDER BY history.last_play DESC""", (date.isoformat(' '),))
+ last = deque(maxlen=1)
+ hist = list()
+ for row in rows:
+ artist = Artist(**row)
+ if last and last[0] == artist: # remove consecutive dupes
+ continue
+ last.append(artist)
+ if needle and isinstance(needle, (Artist, str)):
+ if needle == artist:
+ hist.append(artist) # No need to go further
+ break
+ continue
+ elif needle and getattr(needle, '__contains__'):
+ if artist in needle:
+ hist.append(artist) # No need to go further
+ continue
+ hist.append(artist)
+ return hist
+
+ def fetch_history(self, artist=None, duration=__HIST_DURATION__):
+ """Fetches tracks history, more recent first
+ :param sima.lib.meta.Artist artist: limit history to this artist
+ :param int duration: How long ago to fetch history from
+ """
+ date = datetime.utcnow() - timedelta(hours=duration)
+ connection = self.get_database_connection()
+ connection.row_factory = sqlite3.Row
+ sql = """
+ SELECT tracks.title, tracks.file, artists.name AS artist,
+ albumartists.name AS albumartist,
+ artists.mbid as musicbrainz_artistid,
+ albums.name AS album,
+ albums.mbid AS musicbrainz_albumid,
+ tracks.mbid as musicbrainz_trackid
+ FROM history
+ JOIN tracks ON history.track = tracks.id
+ LEFT OUTER JOIN artists ON tracks.artist = artists.id
+ LEFT OUTER JOIN albumartists ON tracks.albumartist = albumartists.id
+ LEFT OUTER JOIN albums ON tracks.album = albums.id
+ WHERE history.last_play > ?
+ """
+ if artist:
+ if artist.mbid:
+ rows = connection.execute(sql+"""
+ AND artists.mbid = ?
+ ORDER BY history.last_play DESC""",
+ (date.isoformat(' '), artist.mbid))
+ else:
+ rows = connection.execute(sql+"""
+ AND artists.name = ?
+ ORDER BY history.last_play DESC""",
+ (date.isoformat(' '), artist.name))
+ else:
+ rows = connection.execute(sql+'ORDER BY history.last_play DESC',
+ (date.isoformat(' '),))
hist = list()
for row in rows:
hist.append(Track(**row))
return
self._remove_blocklist_id(blid, with_connection=connection)
-def main():
- DEVOLT = {
- 'album': 'Grey',
- 'albumartist': 'Devolt',
- 'artist': 'Devolt',
- 'date': '2011-12-01',
- 'file': 'music/Devolt/2011-Grey/03-Devolt - Crazy.mp3',
- 'musicbrainz_albumartistid': 'd8e7e3e2-49ab-4f7c-b148-fc946d521f99',
- 'musicbrainz_albumid': 'ea2ef2cf-59e1-443a-817e-9066e3e0be4b',
- 'musicbrainz_artistid': 'd8e7e3e2-49ab-4f7c-b148-fc946d521f99',
- 'musicbrainz_trackid': 'fabf8fc9-2ae5-49c9-8214-a839c958d872',
- 'duration': '220.000',
- 'title': 'Crazy'}
- db = SimaDB('/dev/shm/test.sqlite')
- db.create_db()
- db.add_history(Track(**DEVOLT))
- DEVOLT['file'] = 'foo'
- print(db.get_bl_track(Track(**DEVOLT)))
- db.add_history(Track(**DEVOLT))
# VIM MODLINE
# vim: ai ts=4 sw=4 sts=4 expandtab fileencoding=utf8