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Versions: 21
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Contents
module Valuation
#
# Anything with a :lifetime_ticket_value column and has_many orders can use this module.
#
module LifetimeTicketValue
extend ActiveSupport::Concern
#
# 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
#
def lifetime_orders
orders
end
#
# 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
#
def calculate_lifetime_ticket_value
self.lifetime_ticket_value = Item.where(:order_id => self.lifetime_orders).where(:product_type => "Ticket").sum(Item.total_price_sql_sum).to_i
self.save(:validate => false)
self.lifetime_ticket_value
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems