def handle(self, *args, **options):
skip = options.get('skip')
total = EpisodeUserState.view('episode_states/by_user_episode',
limit=0,
).total_rows
db = get_main_database()
actions = Counter()
actions['merged'] = 0
for n in count(skip):
first = EpisodeUserState.view('episode_states/by_user_episode',
skip = n,
include_docs = True,
limit = 1,
)
first = list(first)
if not first:
break
first = first[0]
states = EpisodeUserState.view('episode_states/by_user_episode',
key = [first.user, first.episode],
include_docs = True,
)
states = list(states)
l1 = len(states)
# we don't want to delete this one
states.remove(first)
assert len(states) == l1-1
if states:
updater = get_updater(states)
obj_funs = [(first, updater)] + [(state, do_delete) for state in states]
bulk_save_retry(db, obj_funs)
merged = len(states)-1
actions['merged'] += merged
total -= merged
status_str = ', '.join('%s: %d' % x for x in actions.items())
progress(n+1, total, status_str)
def get_all_states(self):
from mygpo.users.models import EpisodeUserState
r = EpisodeUserState.view('episode_states/by_podcast_episode',
startkey = [self.podcast, self._id, None],
endkey = [self.podcast, self._id, {}],
include_docs=True)
return iter(r)
def get_episode_states(podcast):
r = EpisodeUserState.view('users/episode_states_by_podcast_episode',
startkey = [podcast.get_id(), None, None],
endkey = [podcast.get_id(), {}, {}],
include_docs = True
)
return r
def update_episodes(user, actions, now, ua_string):
update_urls = []
grouped_actions = defaultdict(list)
# group all actions by their episode
for action in actions:
podcast_url = action['podcast']
podcast_url = sanitize_append(podcast_url, 'podcast', update_urls)
if podcast_url == '': continue
episode_url = action['episode']
episode_url = sanitize_append(episode_url, 'episode', update_urls)
if episode_url == '': continue
act = parse_episode_action(action, user, update_urls, now, ua_string)
grouped_actions[ (podcast_url, episode_url) ].append(act)
# Prepare the updates for each episode state
obj_funs = []
for (p_url, e_url), action_list in grouped_actions.iteritems():
episode_state = EpisodeUserState.for_ref_urls(user, p_url, e_url)
fun = partial(update_episode_actions, action_list=action_list)
obj_funs.append( (episode_state, fun) )
db = get_main_database()
bulk_save_retry(db, obj_funs)
return update_urls
def handle_obj(self, seq, doc, actions):
state = EpisodeUserState.wrap(doc)
episode = episode_by_id(state.episode)
if not episode:
actions['missing'] += 1
return
listeners = episode_listener_count(episode)
updated = set_episode_listeners(episode, listeners)
actions['updated'] += int(updated)
def listener_count(self):
""" returns the number of users that have listened to this podcast """
from mygpo.users.models import EpisodeUserState
r = EpisodeUserState.view('listeners/by_podcast',
startkey = [self.get_id(), None],
endkey = [self.get_id(), {}],
group = True,
group_level = 1,
reduce = True,
)
return r.first()['value'] if r else 0
def listener_count(self, start=None, end={}):
""" returns the number of users that have listened to this episode """
from mygpo.users.models import EpisodeUserState
r = EpisodeUserState.view('listeners/by_episode',
startkey = [self._id, start],
endkey = [self._id, end],
reduce = True,
group = True,
group_level = 1
)
return r.first()['value'] if r else 0
def handle_obj(self, seq, doc, actions):
state = EpisodeUserState.wrap(doc)
try:
episode = Episode.get(state.episode)
except ResourceNotFound:
episode = None
if episode:
listeners = episode.listener_count()
updated = self.update(episode=episode, listeners=listeners)
actions['updated'] += updated
else:
actions['missing'] += 1
def episode_listener_counts(self):
""" (Episode-Id, listener-count) tuples for episodes w/ listeners """
from mygpo.users.models import EpisodeUserState
r = EpisodeUserState.view('listeners/by_podcast_episode',
startkey = [self.get_id(), None, None],
endkey = [self.get_id(), {}, {}],
group = True,
group_level = 2,
reduce = True,
)
for res in r:
episode = res['key'][1]
listeners = res['value']
yield (episode, listeners)
def listener_count_timespan(self, start=None, end={}):
""" returns (date, listener-count) tuples for all days w/ listeners """
if isinstance(start, datetime):
start = start.isoformat()
if isinstance(end, datetime):
end = end.isoformat()
from mygpo.users.models import EpisodeUserState
r = EpisodeUserState.view('listeners/by_podcast',
startkey = [self.get_id(), start],
endkey = [self.get_id(), end],
group = True,
group_level = 2,
reduce = True,
)
for res in r:
date = parser.parse(res['key'][1]).date()
listeners = res['value']
yield (date, listeners)
def episode_state_for_user_episode(user, episode):
if not user:
raise QueryParameterMissing('user')
if not episode:
raise QueryParameterMissing('episode')
key = 'episode-state-userid-%s-episodeid-%s' % (sha1(user._id).hexdigest(),
sha1(episode._id).hexdigest())
# Disabled as cache invalidation does not work properly
# state = cache.get(key)
# if state:
# return state
udb = get_userdata_database()
state = get_single_result(udb, 'episode_states/by_user_episode',
key = [user._id, episode._id],
include_docs = True,
limit = 1,
schema = EpisodeUserState,
)
if state:
cache.set(key, state)
return state
else:
podcast = podcast_by_id(episode.podcast)
state = EpisodeUserState()
state.episode = episode._id
state.podcast = episode.podcast
state.user = user._id
state.ref_url = episode.url
state.podcast_ref_url = podcast.url
# don't cache here, because the state is saved by the calling function
return state
def get_user_state(self, user):
from mygpo.users.models import EpisodeUserState
return EpisodeUserState.for_user_episode(user, self)
