mirror of
https://github.com/discourse/discourse.git
synced 2024-12-17 04:13:40 +08:00
cd22b6158c
(pushed to twice daily)
106 lines
3.3 KiB
Ruby
106 lines
3.3 KiB
Ruby
class UserStat < ActiveRecord::Base
|
|
|
|
belongs_to :user
|
|
after_save :trigger_badges
|
|
|
|
# Updates the denormalized view counts for all users
|
|
def self.update_view_counts(last_seen = 1.hour.ago)
|
|
|
|
# NOTE: we only update the counts for users we have seen in the last hour
|
|
# this avoids a very expensive query that may run on the entire user base
|
|
# we also ensure we only touch the table if data changes
|
|
|
|
# Update denormalized topics_entered
|
|
exec_sql "UPDATE user_stats SET topics_entered = X.c
|
|
FROM
|
|
(SELECT v.user_id, COUNT(topic_id) AS c
|
|
FROM topic_views AS v
|
|
WHERE v.user_id IN (
|
|
SELECT u1.id FROM users u1 where u1.last_seen_at > :seen_at
|
|
)
|
|
GROUP BY v.user_id) AS X
|
|
WHERE
|
|
X.user_id = user_stats.user_id AND
|
|
X.c <> topics_entered
|
|
", seen_at: last_seen
|
|
|
|
# Update denormalzied posts_read_count
|
|
exec_sql "UPDATE user_stats SET posts_read_count = X.c
|
|
FROM
|
|
(SELECT pt.user_id,
|
|
COUNT(*) AS c
|
|
FROM users AS u
|
|
INNER JOIN post_timings AS pt ON pt.user_id = u.id
|
|
WHERE u.last_seen_at > :seen_at
|
|
GROUP BY pt.user_id) AS X
|
|
WHERE X.user_id = user_stats.user_id AND
|
|
X.c <> posts_read_count
|
|
", seen_at: last_seen
|
|
end
|
|
|
|
def update_topic_reply_count
|
|
self.topic_reply_count =
|
|
Topic
|
|
.where(['id in (
|
|
SELECT topic_id FROM posts p
|
|
JOIN topics t2 ON t2.id = p.topic_id
|
|
WHERE p.deleted_at IS NULL AND
|
|
t2.user_id <> p.user_id AND
|
|
p.user_id = ?
|
|
)', self.user_id])
|
|
.count
|
|
end
|
|
|
|
MAX_TIME_READ_DIFF = 100
|
|
# attempt to add total read time to user based on previous time this was called
|
|
def update_time_read!
|
|
if last_seen = last_seen_cached
|
|
diff = (Time.now.to_f - last_seen.to_f).round
|
|
if diff > 0 && diff < MAX_TIME_READ_DIFF
|
|
UserStat.where(user_id: id, time_read: time_read).update_all ["time_read = time_read + ?", diff]
|
|
end
|
|
end
|
|
cache_last_seen(Time.now.to_f)
|
|
end
|
|
|
|
protected
|
|
|
|
def trigger_badges
|
|
BadgeGranter.queue_badge_grant(Badge::Trigger::UserChange, user: self.user)
|
|
end
|
|
|
|
private
|
|
|
|
def last_seen_key
|
|
@last_seen_key ||= "user-last-seen:#{id}"
|
|
end
|
|
|
|
def last_seen_cached
|
|
$redis.get(last_seen_key)
|
|
end
|
|
|
|
def cache_last_seen(val)
|
|
$redis.set(last_seen_key, val)
|
|
end
|
|
|
|
end
|
|
|
|
# == Schema Information
|
|
#
|
|
# Table name: user_stats
|
|
#
|
|
# user_id :integer not null, primary key
|
|
# topics_entered :integer default(0), not null
|
|
# time_read :integer default(0), not null
|
|
# days_visited :integer default(0), not null
|
|
# posts_read_count :integer default(0), not null
|
|
# likes_given :integer default(0), not null
|
|
# likes_received :integer default(0), not null
|
|
# topic_reply_count :integer default(0), not null
|
|
# new_since :datetime not null
|
|
# read_faq :datetime
|
|
# first_post_created_at :datetime
|
|
# post_count :integer default(0), not null
|
|
# topic_count :integer default(0), not null
|
|
#
|