Add localizeCurrency filter to admin and inject currencyConfig data

app/assets/javascripts/admin/subscriptions/subscriptions.js.coffee

@@ -1 +1 @@
-angular.module("admin.subscriptions", ['ngResource','admin.indexUtils','admin.dropdown'])
+angular.module("admin.subscriptions", ['ngResource','admin.indexUtils','admin.dropdown', 'admin.utils'])

app/assets/javascripts/admin/utils/filters/localize_currency.js.coffee

@@ -0,0 +1,14 @@
+angular.module("admin.utils").filter "localizeCurrency", (currencyConfig)->
+  # Convert number to string currency using injected currency configuration.
+  (amount) ->
+    # Set country code (eg. "US").
+    currency_code = if currencyConfig.display_currency then " " + currencyConfig.currency else ""
+    # Set decimal points, 2 or 0 if hide_cents.
+    decimals = if currencyConfig.hide_cents == "true" then 0 else 2
+    # Set format if the currency symbol should come after the number, otherwise (default) use the locale setting.
+    format = if currencyConfig.symbol_position == "after" then "%n %u" else undefined
+    # We need to use parseFloat as the amount should come in as a string.
+    amount = parseFloat(amount)
+
+    # Build the final price string.
+    I18n.toCurrency(amount, {precision: decimals, unit: currencyConfig.symbol, format: format}) + currency_code

app/helpers/admin/injection_helper.rb

@@ -65,6 +65,10 @@ module Admin
       admin_inject_json_ams_array opts[:module], "columns", column_preferences, Api::Admin::ColumnPreferenceSerializer
     end
 
+    def admin_inject_currency_config
+      admin_inject_json_ams 'admin.utils', "currencyConfig", {}, Api::CurrencyConfigSerializer
+    end
+
     def admin_inject_enterprise_permissions
       permissions =
         {can_manage_shipping_methods: can?(:manage_shipping_methods, @enterprise),

app/overrides/spree/layouts/admin/add_currency_config.html.haml.deface

@@ -0,0 +1,3 @@
+/ insert_before "div#wrapper"
+
+= admin_inject_currency_config