def get_for_video_and_user_data(video, user_data, insert_if_missing=False):
if not user_data:
return None
key = UserVideo.get_key_name(video, user_data)
user_video = UserVideo.get_by_key_name(key)
if user_video:
return user_video
elif insert_if_missing:
TinCan.create_media(user_data, "launched", video)
return UserVideo.get_or_insert(
key_name=key,
user=user_data.user,
video=video,
duration=video.duration)
else:
return None
def add_entry(user_data, video, seconds_watched, last_second_watched, detect_cheat=True):
# TODO(csilvers): get rid of circular dependency here
import badges.last_action_cache
user_video = UserVideo.get_for_video_and_user_data(video, user_data, insert_if_missing=True)
# Cap seconds_watched at duration of video
seconds_watched = max(0, min(seconds_watched, video.duration))
video_points_previous = points.VideoPointCalculator(user_video)
action_cache = badges.last_action_cache.LastActionCache.get_for_user_data(user_data)
last_video_log = action_cache.get_last_video_log()
# If the last video logged is not this video and the times being credited
# overlap, don't give points for this video. Can only get points for one video
# at a time.
if (detect_cheat and
last_video_log and
last_video_log.key_for_video() != video.key()):
dt_now = datetime.datetime.now()
other_video_time = last_video_log.time_watched
this_video_time = dt_now - datetime.timedelta(seconds=seconds_watched)
if other_video_time > this_video_time:
logging.warning("Detected overlapping video logs " +
"(user may be watching multiple videos?)")
return (None, None, 0, False)
video_log = VideoLog()
video_log.user = user_data.user
video_log.video = video
video_log.video_title = video.title
video_log.youtube_id = video.youtube_id
video_log.seconds_watched = seconds_watched
video_log.last_second_watched = last_second_watched
if seconds_watched > 0:
# TODO(csilvers): get rid of circular dependencies here
import badges.util_badges
import topic_models
if user_video.seconds_watched == 0:
gae_bingo.gae_bingo.bingo([
"video_started_binary", # Core metric
"video_started_count",]) # Core metric
user_data.uservideocss_version += 1
UserVideoCss.set_started(user_data, user_video.video, user_data.uservideocss_version)
user_video.seconds_watched += seconds_watched
user_data.total_seconds_watched += seconds_watched
# Update seconds_watched of all associated topics
video_topics = db.get(video.topic_string_keys)
first_topic = True
for topic in video_topics:
user_topic = topic_models.UserTopic.get_for_topic_and_user_data(topic, user_data, insert_if_missing=True)
user_topic.title = topic.standalone_title
user_topic.seconds_watched += seconds_watched
user_topic.last_watched = datetime.datetime.now()
user_topic.put()
video_log.playlist_titles.append(user_topic.title)
if first_topic:
action_cache.push_video_log(video_log)
badges.util_badges.update_with_user_topic(
user_data,
user_topic,
include_other_badges=first_topic,
action_cache=action_cache)
first_topic = False
user_video.last_second_watched = last_second_watched
user_video.last_watched = datetime.datetime.now()
user_video.duration = video.duration
user_data.record_activity(user_video.last_watched)
video_points_total = points.VideoPointCalculator(user_video)
video_points_received = video_points_total - video_points_previous
just_finished_video = False
if not user_video.completed and video_points_total >= consts.VIDEO_POINTS_BASE:
just_finished_video = True
user_video.completed = True
user_data.videos_completed = -1
TinCan.create_media(user_data, "completed", video, user_video)
user_data.uservideocss_version += 1
UserVideoCss.set_completed(user_data, user_video.video, user_data.uservideocss_version)
gae_bingo.gae_bingo.bingo([
'struggling_videos_finished',
'video_completed_binary', # Core metric
'video_completed_count' # Core metric
])
video_log.is_video_completed = user_video.completed
goals_updated = goals.models.GoalList.update_goals(user_data,
lambda goal: goal.just_watched_video(user_data, user_video, just_finished_video))
if video_points_received > 0:
video_log.points_earned = video_points_received
user_data.add_points(video_points_received)
TinCan.create_media(user_data, "progressed", video, user_video)
db.put([user_video, user_data])
# Defer the put of VideoLog for now, as we think it might be causing hot tablets
# and want to shift it off to an automatically-retrying task queue.
# http://ikaisays.com/2011/01/25/app-engine-datastore-tip-monotonically-increasing-values-are-bad/
deferred.defer(_commit_video_log, video_log,
_queue="video-log-queue",
_url="/_ah/queue/deferred_videolog")
if user_data is not None and user_data.coaches:
# Making a separate queue for the log summaries so we can clearly see how much they are getting used
deferred.defer(commit_log_summary_coaches, video_log, user_data.coaches,
_queue="log-summary-queue",
_url="/_ah/queue/deferred_log_summary")
return (user_video, video_log, video_points_total, goals_updated)
