superbilk

# /app/controller/confirmations_controller.rb
class ConfirmationsController < Devise::ConfirmationsController
  skip_before_filter :authenticate_user!

  # PUT /resource/confirmation
  def update
    with_unconfirmed_confirmable do
      if @confirmable.has_no_password?
        @confirmable.attempt_set_password(params[:user])
        if @confirmable.valid?

superbilk

class Star < ActiveRecord::Base

  default_scope order: 'registered_at DESC'
  scope :registered_before, ->(days) { where("registered_at >= ?", days.days.ago) }

  def self.averages days = 90
    registered_before(days).average(:stars, group: "DATE(registered_at, '+1 day')")
  end

end