User cancelled order handling

app/assets/javascripts/user/app/controllers/application_controller.js.coffee

@@ -39,6 +39,11 @@ App.ApplicationController = Ember.Controller.extend
       data.join_request.user = user
       join_request = @store.createRecord 'join_request', data.join_request
       @transitionToRoute 'join_requests'
+    order_cancelled: (data)->
+      if order = App.Order.findCached(data.id)
+        order.markCancelled()
+      @events.orders_placed_count.call(@, count: data.orders_placed_count) if data.orders_placed_count == 0 or data.orders_placed_count
+      @events.orders_in_process_count.call(@, count: data.orders_in_process_count) if data.orders_in_process_count == 0 or data.orders_in_process_count
     join_request_rejected: (data)->
       # Remove join request from connected users
       join_request = @store.all('join_request').findBy 'id', data.id

app/assets/javascripts/user/app/models/order.js.coffee

@@ -10,3 +10,5 @@ App.Order = DS.Model.extend
   display: (->
     @get('product_orders').map((po) -> "#{po.get('quantity')} x #{po.get('product.name')}").join(', ')
   ).property('product_orders.@each.quantity', 'product_orders.@each.product.@each.name')
+  markCancelled: ->
+    @set 'state', 'cancelled'

app/assets/javascripts/user/app/modifications/model_modifications.js.coffee

@@ -4,3 +4,7 @@ DS.Model.reopen
   eraseRecord: ->
     @clearRelationships()
     @transitionTo('deleted.saved')
+DS.Model.reopenClass
+  findCached: (id)->
+    return null unless id
+    @store.all(@typeKey).findProperty('id', id)