add quick order screen on koelkast

Author: hanneskt

app/controllers/users_controller.rb

@@ -130,7 +130,7 @@ def quick_order
       end
 
       respond_to do |format|
-        format.html { redirect_back_or_to(root_path) }
+        format.html { redirect_to(root_path) }
         format.json { render json: { message: "Quick order succeeded for #{@user.name}." }, status: :ok }
       end
     else

app/models/ability.rb

@@ -37,6 +37,7 @@ def initialize_koelkast
     # Since ordering a dagschotel uses the underlying order model,
     # the same rules as creating an order apply here.
     can :order_dagschotel, User
+    can :quick_order, User
   end
 
   # Regular user permissions

app/views/orders/new.html.erb

@@ -63,6 +63,8 @@
             </a>
           </div>
         <% end %>
+
+        <%= render "users/quick_order", products: @user.last_ordered_products %>
       </div>
     </div>