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