Filter visible switches, lans, guest devices, and vms in the network …

…tree

This adds filtering by tag for network lans, switches, and guest devices
And adds filtering by tag and tenant for vms

(changing rbac.filtered will add filtering by tenant for lans and others)

app/presenters/tree_builder_network.rb

@@ -27,18 +27,15 @@ def root_options
   end
 
   def x_get_tree_roots
-    @root.switches.empty? ? [] : count_only_or_objects(false, @root.switches)
+    Rbac.filtered(@root.switches)
   end
 
   def x_get_tree_switch_kids(parent, count_only)
-    objects = []
-    objects.concat(parent.guest_devices) unless parent.guest_devices.empty?
-    objects.concat(parent.lans) unless parent.lans.empty?
-    count_only_or_objects(count_only, objects)
+    count_only_or_objects_filtered(count_only, parent.guest_devices) + count_only_or_objects_filtered(count_only, parent.lans)
   end
 
   def x_get_tree_lan_kids(parent, count_only)
-    if parent.respond_to?("vms_and_templates")
+    if parent.respond_to?(:vms_and_templates)
       count_only_or_objects_filtered(count_only, parent.vms_and_templates, "name")
     else
       count_only ? 0 : []

spec/presenters/tree_builder_network_spec.rb

@@ -1,6 +1,7 @@
 describe TreeBuilderNetwork do
   context 'TreeBuilderNetwork' do
     before do
+      EvmSpecHelper.local_miq_server
       role = MiqUserRole.find_by(:name => "EvmRole-operator")
       @group = FactoryBot.create(:miq_group, :miq_user_role => role, :description => "Network Group")
       login_as FactoryBot.create(:user, :userid => 'network_wilma', :miq_groups => [@group])