86 lines
2.1 KiB
Ruby
86 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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class Customer < ActiveRecord::Base
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cattr_accessor :gps_conversion_was_run
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composed_of :address, mapping: [ %w(address_street street), %w(address_city city), %w(address_country country) ], allow_nil: true
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composed_of :balance, class_name: "Money", mapping: %i(balance amount)
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composed_of :gps_location, allow_nil: true
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composed_of :non_blank_gps_location, class_name: "GpsLocation", allow_nil: true, mapping: %w(gps_location gps_location),
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converter: lambda { |gps| self.gps_conversion_was_run = true; gps.blank? ? nil : GpsLocation.new(gps) }
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composed_of :fullname, mapping: %w(name to_s), constructor: Proc.new { |name| Fullname.parse(name) }, converter: :parse
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composed_of :fullname_no_converter, mapping: %w(name to_s), class_name: "Fullname"
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end
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class Address
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attr_reader :street, :city, :country
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def initialize(street, city, country)
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@street, @city, @country = street, city, country
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end
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def close_to?(other_address)
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city == other_address.city && country == other_address.country
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end
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def ==(other)
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other.is_a?(self.class) && other.street == street && other.city == city && other.country == country
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end
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end
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class Money
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attr_reader :amount, :currency
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EXCHANGE_RATES = { "USD_TO_DKK" => 6, "DKK_TO_USD" => 0.6 }
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def initialize(amount, currency = "USD")
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@amount, @currency = amount, currency
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end
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def exchange_to(other_currency)
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Money.new((amount * EXCHANGE_RATES["#{currency}_TO_#{other_currency}"]).floor, other_currency)
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end
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end
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class GpsLocation
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attr_reader :gps_location
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def initialize(gps_location)
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@gps_location = gps_location
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end
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def latitude
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gps_location.split("x").first
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end
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def longitude
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gps_location.split("x").last
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end
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def ==(other)
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latitude == other.latitude && longitude == other.longitude
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end
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end
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class Fullname
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attr_reader :first, :last
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def self.parse(str)
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return nil unless str
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if str.is_a?(Hash)
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new(str[:first], str[:last])
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else
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new(*str.to_s.split)
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end
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end
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def initialize(first, last = nil)
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@first, @last = first, last
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end
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def to_s
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"#{first} #{last.upcase}"
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end
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end
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