forked from treehouse/mastodon
60 lines
1.4 KiB
Ruby
60 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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class Admin::Metrics::Measure::InstanceFollowersMeasure < Admin::Metrics::Measure::BaseMeasure
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def self.with_params?
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true
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end
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def key
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'instance_followers'
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end
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def total_in_time_range?
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false
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end
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protected
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def perform_total_query
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Follow.joins(:account).merge(Account.where(domain: params[:domain])).count
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end
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def perform_previous_total_query
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nil
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end
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def perform_data_query
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sql = <<-SQL.squish
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SELECT axis.*, (
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WITH new_followers AS (
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SELECT follows.id
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FROM follows
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INNER JOIN accounts ON follows.account_id = accounts.id
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WHERE date_trunc('day', follows.created_at)::date = axis.period
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AND accounts.domain = $3::text
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)
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SELECT count(*) FROM new_followers
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) AS value
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FROM (
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SELECT generate_series(date_trunc('day', $1::timestamp)::date, date_trunc('day', $2::timestamp)::date, interval '1 day') AS period
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) AS axis
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SQL
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rows = ActiveRecord::Base.connection.select_all(sql, nil, [[nil, @start_at], [nil, @end_at], [nil, params[:domain]]])
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rows.map { |row| { date: row['period'], value: row['value'].to_s } }
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end
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def time_period
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(@start_at.to_date..@end_at.to_date)
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end
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def previous_time_period
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((@start_at.to_date - length_of_period)..(@end_at.to_date - length_of_period))
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end
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def params
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@params.permit(:domain)
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end
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end
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