Adding tests and views to handle changing shipping prices

app/assets/javascripts/darkswarm/controllers/checkout_controller.js.coffee

@@ -2,19 +2,25 @@ angular.module("Checkout").controller "CheckoutCtrl", ($scope, $rootScope, order
   $scope.require_ship_address = false
   $scope.order = order
 
+  $scope.initialize = ->
+    # Our shipping_methods comes through as a hash like so: {id: requires_shipping_address}
+    # Here we default to the first shipping method if none is selected
+    $scope.order.shipping_method_id ||= Object.keys(order.shipping_methods)[0]
+    $scope.order.ship_address_same_as_billing = true if $scope.order.ship_address_same_as_billing == null
+    $scope.shippingMethodChanged()
   
-  # Our shipping_methods comes through as a hash like so: {id: requires_shipping_address}
-  # Here we default to the first shipping method if none is selected
-  $scope.order.shipping_method_id ||= Object.keys(order.shipping_methods)[0]
-  $scope.order.ship_address_same_as_billing = true if $scope.order.ship_address_same_as_billing == null
+  $scope.shippingPrice = ->
+    $scope.shippingMethod().price
+
+  $scope.shippingMethod = ->
+    $scope.order.shipping_methods[$scope.order.shipping_method_id]
 
-  $scope.require_ship_address = $scope.order.shipping_methods[$scope.order.shipping_method_id]
- 
   $scope.shippingMethodChanged = ->
-    $scope.require_ship_address = $scope.order.shipping_methods[$scope.order.shipping_method_id] 
-
+    $scope.require_ship_address = $scope.shippingMethod().require_ship_address
 
   $scope.purchase = (event)->
     event.preventDefault()
     checkout.submit()
 
+  $scope.initialize()
+

app/views/shop/checkout/_form.html.haml

@@ -5,6 +5,9 @@
     :javascript
       angular.module('Checkout').value('order', #{render "shop/checkout/order"})
 
+    -#%pre
+      -#{{ order | json }}
+
     .large-12.columns
       %fieldset#details
         %legend Customer Details

app/views/shop/checkout/_order.rabl

@@ -15,5 +15,10 @@ end
 
 # Format here is {id: require_ship_address}
 node :shipping_methods do
-  Hash[current_order.distributor.shipping_methods.collect { |method| [method.id, method.require_ship_address] }]
+  Hash[current_order.distributor.shipping_methods.collect { 
+    |method| [method.id, {
+      require_ship_address: method.require_ship_address,
+      price: method.compute_amount(current_order)
+    }] 
+  }]
 end

app/views/shop/checkout/_summary.html.haml

@@ -11,6 +11,9 @@
           %tr
             %th= adjustment.label 
             %td= adjustment.display_amount.to_html
+        %tr
+          %th Shipping cost
+          %td {{ shippingPrice() | currency }}
         %tr
           %th Cart total 
           %td= current_order.display_total.to_html

spec/javascripts/unit/darkswarm/controllers_spec.js.coffee

@@ -46,3 +46,36 @@ describe 'All controllers', ->
         scope = {}
         ctrl = $controller 'OrderCycleCtrl', {$scope: scope}
 
+  describe "CheckoutCtrl", ->
+    ctrl = null
+    scope = null
+    order = null 
+
+    beforeEach ->
+      module("Checkout")
+      order = 
+        id: 3102
+        shipping_method_id: "7"
+        ship_address_same_as_billing: true
+        payment_method_id: null
+        shipping_methods:
+          7:
+            require_ship_address: true
+            price: 0.0
+
+          25:
+            require_ship_address: false
+            price: 13
+      inject ($controller) ->
+        scope = {}
+        ctrl = $controller 'CheckoutCtrl', {$scope: scope, order: order}
+
+
+    it 'Gets the ship address automatically', ->
+      expect(scope.require_ship_address).toEqual true
+
+    it 'Gets the current shipping price', ->
+      expect(scope.shippingPrice()).toEqual 0.0
+      scope.order.shipping_method_id = 25
+      expect(scope.shippingPrice()).toEqual 13
+