Module: Devise::Models::UserMetering

Defined in:
lib/devise_user_metering/model.rb

Instance Method Summary collapse

Instance Method Details

#activate! ⇒ Object 



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# File 'lib/devise_user_metering/model.rb', line 32

def activate!
  self.activated_at = Time.new
  self.active = true
  self.save!
end

#active_proportion_of_month(time) ⇒ Object

This function returns a decimal between 0 and 1 that reflects the amount of the month this user has been ‘active’



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# File 'lib/devise_user_metering/model.rb', line 7

def active_proportion_of_month(time)
  month = time.beginning_of_month
  end_month = time.end_of_month

  if end_month > Time.now
    raise StandardError.new("You can't get meter data for incomplete months")
  end
  if month < self.activated_at.beginning_of_month
    raise StandardError.new("No usage data retained for that month")
  end

  in_month = ->(time) { (month..end_month).cover?(time) }
  if in_month.call(self.activated_at) || in_month.call(self.deactivated_at)
    if !active && self.deactivated_at < month
      return 0
    end
    month_duration = end_month - month
    remainder = self.active ? [end_month - self.activated_at, 0].max : 0
    (remainder + self.rollover_active_duration) / month_duration
  else
    self.active ? 1 : 0
  end

end

#billed! ⇒ Object 



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# File 'lib/devise_user_metering/model.rb', line 46

def billed!
  self.rollover_active_duration = 0
  self.save!
end

#deactivate! ⇒ Object 



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# File 'lib/devise_user_metering/model.rb', line 38

def deactivate!
  now = Time.new
  self.deactivated_at = now
  self.active = false
  self.rollover_active_duration += now - [self.activated_at, now.beginning_of_month].max
  self.save!
end