Bring money.rb from spree

lib/spree/money.rb

@@ -0,0 +1,40 @@
+require 'money'
+
+module Spree
+  class Money
+    attr_reader :money
+
+    delegate :cents, :to => :money
+
+    def initialize(amount, options={})
+      @money = ::Money.parse([amount, (options[:currency] || Spree::Config[:currency])].join)
+      @options = {}
+      @options[:with_currency] = Spree::Config[:display_currency]
+      @options[:symbol_position] = Spree::Config[:currency_symbol_position].to_sym
+      @options[:no_cents] = Spree::Config[:hide_cents]
+      @options[:decimal_mark] = Spree::Config[:currency_decimal_mark]
+      @options[:thousands_separator] = Spree::Config[:currency_thousands_separator]
+      @options.merge!(options)
+      # Must be a symbol because the Money gem doesn't do the conversion
+      @options[:symbol_position] = @options[:symbol_position].to_sym
+    end
+
+    def to_s
+      @money.format(@options)
+    end
+
+    def to_html(options = { :html => true })
+      output = @money.format(@options.merge(options))
+      if options[:html]
+        # 1) prevent blank, breaking spaces
+        # 2) prevent escaping of HTML character entities
+        output = output.gsub(" ", " ").html_safe
+      end
+      output
+    end
+
+    def ==(obj)
+      @money == obj.money
+    end
+  end
+end