JSONApi progress

app/assets/javascripts/user/app/components/menu-product-categories-component.js.coffee

@@ -4,6 +4,7 @@ App.MenuProductCategoriesComponent = Ember.Component.extend
   active_product_categories: (->
     console.log "Reevaluate product categories"
     list = @get('product_categories')
+    return [] unless list
     now = new Date()
     list = list.filter (product_category) =>
       return false unless product_category.get("active_on_#{$day_names[now.getDay()]}")

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

@@ -8,7 +8,7 @@ App.TableController = Ember.Controller.extend
     else
       # no list and open supplier
       if @get('model.occupied') then false else true
-  ).property('globals.active_list.id', 'supplier.can_take_orders', 'model.occupied', 'model.id', 'globals.active_list.table.id')
+  ).property('globals.active_list.id', 'model.supplier.can_take_orders', 'model.occupied', 'model.id', 'globals.active_list.table.id', 'model.supplier.id')
   supplier: Ember.computed.alias 'model.supplier'
   showJoinButton: Ember.computed 'globals.active_list.id', 'supplier.can_take_orders', 'model.occupied', 'model.id', 'globals.active_list.table.id', ->
     return false unless @get('supplier.can_take_orders')

app/assets/javascripts/user/app/templates/table.emblem

@@ -1,6 +1,6 @@
 .row: .small-12.columns
   h3
-    span.supplier-name= supplier.name
+    span.supplier-name= model.supplier.name
     span.table-number
       ' #
       = model.number
@@ -13,7 +13,7 @@
       button.join-table-button{action "joinOccupiedTable"}=t 'join_request.requestor.join_this_table'
 .row
   if tableCanTakeOrders
-    .large-6.columns= menu-product-categories product_categories=supplier.product_categories orderProducts=true
+    .large-6.columns= menu-product-categories product_categories=model.supplier.product_categories orderProducts=true
     .large-6.columns= new-product-orders-list table=model
   else
-    .large12= menu-product-categories product_categories=supplier.product_categories orderProducts=false
+    .large12= menu-product-categories product_categories=model.supplier.product_categories orderProducts=false