def delete_song(cls, song_id):
song = Song().get(song_id, links=True)
if song is None:
raise NotFoundException()
# remove the song from storage first
song.remove()
# deleting a song also deletes all the associated versions
for v in song.versions:
version = Version().get(v, links=True)
version.remove()
# then remove the singer and re-index any related objects
SongIndex.delete_by_id(song.id)
def create_song(cls, song_json, versions, songs):
if song_json is None:
return None
# create the song object and save it to the store
song = Song({"song" : song_json})
if versions is not None:
song.versions = versions
if songs is not None:
song.songs = songs
song.save()
# call the indexing process, and index this object and all
# related ones
SongIndex.by_id(song.id, cascade=True)
return song
def update_song(cls, song_id, song_json=None, versions=None, songs=None):
# retrieve and update the song object in the desired way
song = Song().get(song_id, links=True)
if song is None:
raise NotFoundException()
if song_json is not None:
song.patch_song(song_json, replace_all=True, keep_id=True)
if versions is not None:
song.versions = versions
if songs is not None:
song.songs = songs
song.save()
# call the indexing process, and index this object and all related ones
print song.id
SongIndex.by_id(song.id, cascade=True)
return song
def get_song(cls, song_id):
song = SongIndex.pull(song_id)
if song is None:
raise NotFoundException()
return song.raw
###################################################
# INDEXING
###################################################
# connection object to use for the save operations
conn = esprit.raw.Connection(host=settings.ELASTIC_SEARCH_HOST, index=settings.ELASTIC_SEARCH_DB)
# index all the songs
#####################
for sid in song_ids:
song = Song().get(sid, links=True, host=settings.ELASTIC_SEARCH_HOST, index=settings.ELASTIC_SEARCH_DB)
si = SongIndex.from_song(song)
si.save(conn=conn)
# index all the singers
#######################
for sid in singer_ids:
singer = Singer().get(sid, links=True, host=settings.ELASTIC_SEARCH_HOST, index=settings.ELASTIC_SEARCH_DB)
si = SingerIndex.from_singer(singer)
si.save(conn=conn)
# index all the versions
########################
for vid in version_ids:
version = Version().get(vid, links=True, host=settings.ELASTIC_SEARCH_HOST, index=settings.ELASTIC_SEARCH_DB)
