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class Customer < ActiveRecord::Base
ActiveSupport::Deprecation.silence do
composed_of :address, :mapping => [ %w(address_street street), %w(address_city city), %w(address_country country) ], :allow_nil => true
composed_of :balance, :class_name => "Money", :mapping => %w(balance amount), :converter => Proc.new { |balance| balance.to_money }
composed_of :gps_location, :allow_nil => true
composed_of :fullname, :mapping => %w(name to_s), :constructor => Proc.new { |name| Fullname.parse(name) }, :converter => :parse
end
end
class Address
attr_reader :street, :city, :country
def initialize(street, city, country)
@street, @city, @country = street, city, country
end
def close_to?(other_address)
city == other_address.city && country == other_address.country
end
def ==(other)
other.is_a?(self.class) && other.street == street && other.city == city && other.country == country
end
end
class Money
attr_reader :amount, :currency
EXCHANGE_RATES = { "USD_TO_DKK" => 6, "DKK_TO_USD" => 0.6 }
def initialize(amount, currency = "USD")
@amount, @currency = amount, currency
end
def exchange_to(other_currency)
Money.new((amount * EXCHANGE_RATES["#{currency}_TO_#{other_currency}"]).floor, other_currency)
end
end
class GpsLocation
attr_reader :gps_location
def initialize(gps_location)
@gps_location = gps_location
end
def latitude
gps_location.split("x").first
end
def longitude
gps_location.split("x").last
end
def ==(other)
self.latitude == other.latitude && self.longitude == other.longitude
end
end
class Fullname
attr_reader :first, :last
def self.parse(str)
return nil unless str
new(*str.to_s.split)
end
def initialize(first, last = nil)
@first, @last = first, last
end
def to_s
"#{first} #{last.upcase}"
end
end
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