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Contents
module Valuation
#
# Anything with a :lifetime_fees column and has_many orders can use this module.
#
module LifetimeFees
extend ActiveSupport::Concern
included do
def self.with_lifetime_fees_between(start_date, end_date)
joins(:orders => :items)
.select("#{table_name}.*, sum(items.service_fee) as lifetime_fees")
.where('orders.revenue_applies_at > ?', start_date)
.where('orders.revenue_applies_at < ?', end_date)
.group("#{table_name}.id")
end
end
#
# 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 fees of this model by summing the price of all items
# attached to orders attached to this model. Save the value in lifetime_fees.
# Return the value
#
def calculate_lifetime_fees
self.lifetime_fees = Organization.where(:id => self.id).joins(:orders => :items).sum('items.service_fee').to_i
self.save(:validate => false)
self.lifetime_fees
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems