fixed only free ports in device ports view (showing free ports TODO)

lib/App/Netdisco/DB/Result/Virtual/LastNode.pm

@@ -0,0 +1,54 @@
+package App::Netdisco::DB::Result::Virtual::LastNode;
+
+use strict;
+use warnings;
+
+use base 'DBIx::Class::Core';
+
+__PACKAGE__->table_class('DBIx::Class::ResultSource::View');
+
+__PACKAGE__->table('last_node');
+__PACKAGE__->result_source_instance->is_virtual(1);
+__PACKAGE__->result_source_instance->view_definition(<<ENDSQL
+  SELECT DISTINCT ON (switch, port) * FROM node
+    ORDER BY switch, port, time_last desc
+ENDSQL
+);
+
+__PACKAGE__->add_columns(
+  "mac",
+  { data_type => "macaddr", is_nullable => 0 },
+  "switch",
+  { data_type => "inet", is_nullable => 0 },
+  "port",
+  { data_type => "text", is_nullable => 0 },
+  "active",
+  { data_type => "boolean", is_nullable => 1 },
+  "oui",
+  { data_type => "varchar", is_nullable => 1, size => 8 },
+  "time_first",
+  {
+    data_type     => "timestamp",
+    default_value => \"current_timestamp",
+    is_nullable   => 1,
+    original      => { default_value => \"now()" },
+  },
+  "time_recent",
+  {
+    data_type     => "timestamp",
+    default_value => \"current_timestamp",
+    is_nullable   => 1,
+    original      => { default_value => \"now()" },
+  },
+  "time_last",
+  {
+    data_type     => "timestamp",
+    default_value => \"current_timestamp",
+    is_nullable   => 1,
+    original      => { default_value => \"now()" },
+  },
+  "vlan",
+  { data_type => "text", is_nullable => 0, default_value => '0' },
+);
+
+1;