discourse/app/models/user_visit.rb
2018-05-03 15:41:41 +02:00

79 lines
2.6 KiB
Ruby

class UserVisit < ActiveRecord::Base
include DateGroupable
def self.counts_by_day_query(start_date, end_date, group_id = nil)
result = where('visited_at >= ? and visited_at <= ?', start_date.to_date, end_date.to_date)
if group_id
result = result.joins("INNER JOIN users ON users.id = user_visits.user_id")
result = result.joins("INNER JOIN group_users ON group_users.user_id = users.id")
result = result.where("group_users.group_id = ?", group_id)
end
result.group(:visited_at).order(:visited_at)
end
def self.count_by_active_users(start_date, end_date)
aggregation_unit = aggregation_unit_for_period(start_date, end_date)
sql = <<SQL
WITH dau AS (
SELECT date_trunc('#{aggregation_unit}', user_visits.visited_at)::DATE AS date,
count(distinct user_visits.user_id) AS dau
FROM user_visits
WHERE user_visits.visited_at::DATE BETWEEN '#{start_date}' AND '#{end_date}'
GROUP BY date_trunc('#{aggregation_unit}', user_visits.visited_at)::DATE
ORDER BY date_trunc('#{aggregation_unit}', user_visits.visited_at)::DATE
)
SELECT date, dau,
(SELECT count(distinct user_visits.user_id)
FROM user_visits
WHERE user_visits.visited_at::DATE BETWEEN dau.date - 29 AND dau.date
) AS mau
FROM dau
SQL
UserVisit.exec_sql(sql).to_a
end
# A count of visits in a date range by day
def self.by_day(start_date, end_date, group_id = nil)
counts_by_day_query(start_date, end_date, group_id).count
end
def self.mobile_by_day(start_date, end_date, group_id = nil)
counts_by_day_query(start_date, end_date, group_id).where(mobile: true).count
end
def self.ensure_consistency!
exec_sql <<SQL
UPDATE user_stats u set days_visited =
(
SELECT COUNT(*) FROM user_visits v WHERE v.user_id = u.user_id
)
WHERE days_visited <>
(
SELECT COUNT(*) FROM user_visits v WHERE v.user_id = u.user_id
)
SQL
end
end
# == Schema Information
#
# Table name: user_visits
#
# id :integer not null, primary key
# user_id :integer not null
# visited_at :date not null
# posts_read :integer default(0)
# mobile :boolean default(FALSE)
# time_read :integer default(0), not null
#
# Indexes
#
# index_user_visits_on_user_id_and_visited_at (user_id,visited_at) UNIQUE
# index_user_visits_on_user_id_and_visited_at_and_time_read (user_id,visited_at,time_read)
# index_user_visits_on_visited_at_and_mobile (visited_at,mobile)
#