mastodon/app/controllers/api/v1/instances/activity_controller.rb

# frozen_string_literal: true

class Api::V1::Instances::ActivityController < Api::BaseController
  before_action :require_enabled_api!

  respond_to :json

  def show
    render_cached_json('api:v1:instances:activity:show', expires_in: 1.day) { activity }
  end

  private

  def activity
    weeks = []

    12.times do |i|
      day     = i.weeks.ago.to_date
      week_id = day.cweek
      week    = Date.commercial(day.cwyear, week_id)

      weeks << {
        week: week.to_time.to_i.to_s,
        statuses: Redis.current.get("activity:statuses:local:#{week_id}") || 0,
        logins: Redis.current.pfcount("activity:logins:#{week_id}"),
        registrations: Redis.current.get("activity:accounts:local:#{week_id}") || 0,
      }
    end

    weeks
  end

  def require_enabled_api!
    head 404 unless Setting.activity_api_enabled
  end
end