Module: Valuation::LifetimeValue

Extended by:

ActiveSupport::Concern

Included in:

Organization, Person

Defined in:

app/models/valuation/lifetime_value.rb

Overview

Anything with a :lifetime_value column and has_many orders can use this module.

Instance Method Summary

• #calculate_lifetime_value ⇒ Object

  Calculate the lifetime value of this model by summing the price of all items attached to orders attached to this person.

• #lifetime_orders ⇒ Object

  Includers can define a method called lifetime_orders which will override this method.

Instance Method Details

#calculate_lifetime_value ⇒ Object

Calculate the lifetime value of this model by summing the price of all items attached to orders attached to this person. Save the value in lifetime_value. Return the value

# File 'app/models/valuation/lifetime_value.rb', line 24

def calculate_lifetime_value
  self.lifetime_value = Item.where(:order_id => self.lifetime_orders).sum(Item.total_price_sql_sum).to_i
  self.save(:validate => false)
  self.lifetime_value
end

#lifetime_orders ⇒ Object

Includers can define a method called lifetime_orders which will override this method.

lifetime_orders should return the orders that this model wants to include in the calculation

# File 'app/models/valuation/lifetime_value.rb', line 15

def lifetime_orders
  orders
end