38 lines
983 B
Ruby
38 lines
983 B
Ruby
# frozen_string_literal: true
|
|
|
|
class Admin::Metrics::Measure::NewUsersMeasure < Admin::Metrics::Measure::BaseMeasure
|
|
def key
|
|
'new_users'
|
|
end
|
|
|
|
protected
|
|
|
|
def perform_total_query
|
|
User.where(created_at: time_period).count
|
|
end
|
|
|
|
def perform_previous_total_query
|
|
User.where(created_at: previous_time_period).count
|
|
end
|
|
|
|
def perform_data_query
|
|
sql = <<-SQL.squish
|
|
SELECT axis.*, (
|
|
WITH new_users AS (
|
|
SELECT users.id
|
|
FROM users
|
|
WHERE date_trunc('day', users.created_at)::date = axis.period
|
|
)
|
|
SELECT count(*) FROM new_users
|
|
) AS value
|
|
FROM (
|
|
SELECT generate_series(date_trunc('day', $1::timestamp)::date, date_trunc('day', $2::timestamp)::date, interval '1 day') AS period
|
|
) AS axis
|
|
SQL
|
|
|
|
rows = ActiveRecord::Base.connection.select_all(sql, nil, [[nil, @start_at], [nil, @end_at]])
|
|
|
|
rows.map { |row| { date: row['period'], value: row['value'].to_s } }
|
|
end
|
|
end
|