Overwrites spree_i18n translations for entreprise fees calculator's options

app/models/spree/calculator/flat_rate_decorator.rb

@@ -5,5 +5,9 @@ module Spree
     extend Spree::LocalizedNumber
 
     localize_number :preferred_amount
+
+    def self.description
+      I18n.t(:flat_rate_per_order)
+    end
   end
 end

app/models/spree/calculator/flexi_rate_decorator.rb

@@ -7,6 +7,10 @@ module Spree
     localize_number :preferred_first_item,
                     :preferred_additional_item
 
+    def self.description
+      I18n.t(:flexible_rate)
+    end
+
     def compute(object)
       sum = 0
       max = self.preferred_max_items.to_i

app/models/spree/calculator/per_item_decorator.rb

@@ -6,6 +6,10 @@ module Spree
 
     localize_number :preferred_amount
 
+    def self.description
+      I18n.t(:flat_rate_per_item)
+    end
+
     def compute(object=nil)
       return 0 if object.nil?
       self.preferred_amount * line_items_for(object).reduce(0) do |sum, value|

app/models/spree/calculator/price_sack_decorator.rb

@@ -7,5 +7,9 @@ module Spree
     localize_number :preferred_minimal_amount,
                     :preferred_normal_amount,
                     :preferred_discount_amount
+
+    def self.description
+      I18n.t(:price_sack)
+    end
   end
 end

config/locales/en.yml

@@ -1881,6 +1881,10 @@ See the %{link} to find out more about %{sitename}'s features and to start using
   calculator: "Calculator"
   calculator_values: "Calculator values"
   flat_percent_per_item: "Flat Percent (per item)"
+  flat_rate_per_item: "Flat Rate (per item)"
+  flat_rate_per_order: "Flat Rate (per order)"
+  flexible_rate: "Flexible Rate"
+  price_sack: "Price Sack"
   new_order_cycles: "New Order Cycles"
   new_order_cycle: "New Order Cycle"
   select_a_coordinator_for_your_order_cycle: "Select a coordinator for your order cycle"