Provide NetBIOS information when available in Node and Port views

Netdisco/lib/App/Netdisco/DB/Result/Node.pm

@@ -112,6 +112,16 @@ the current Node's.
 __PACKAGE__->has_many( ips => 'App::Netdisco::DB::Result::NodeIp',
   { 'foreign.mac' => 'self.mac', 'foreign.active' => 'self.active' } );
 
+=head2 netbios
+
+Returns the C<node_nbt> entry associated with this Node if one exists. That
+is, the NetBIOS information of this MAC address at the time of discovery.
+
+=cut
+
+__PACKAGE__->might_have( netbios => 'App::Netdisco::DB::Result::NodeNbt',
+  { 'foreign.mac' => 'self.mac' } );
+
 =head2 wireless
 
 Returns the set of C<node_wireless> entries associated with this Node. That

Netdisco/lib/App/Netdisco/Web/Device.pm

@@ -48,6 +48,7 @@ hook 'before' => sub {
   var('connected_properties' => [
     { name => 'n_age',      label => 'Age Stamp',     default => ''   },
     { name => 'n_ip',       label => 'IP Address',    default => 'on' },
+    { name => 'n_netbios',  label => 'NetBIOS',       default => 'on' },
     { name => 'n_ssid',     label => 'SSID',          default => 'on' },
     { name => 'n_vendor',   label => 'Vendor',        default => ''   },
     { name => 'n_archived', label => 'Archived Data', default => ''   },

Netdisco/lib/App/Netdisco/Web/Plugin/Device/Ports.pm

@@ -141,6 +141,10 @@ get '/ajax/content/device/ports' => require_login sub {
     $set = $set->search_rs({}, { prefetch => [{$nodes_name => 'wireless'}] })
       if param('c_nodes') && param('n_ssid');
 
+    # retrieve NetBIOS, if asked for
+    $set = $set->search_rs({}, { prefetch => [{$nodes_name => 'netbios'}] })
+      if param('c_nodes') && param('n_netbios');
+
     # retrieve vendor, if asked for
     $set = $set->search_rs({}, { prefetch => [{$nodes_name => 'oui'}] })
       if param('c_nodes') && param('n_vendor');

Netdisco/lib/App/Netdisco/Web/Plugin/Search/Node.pm

@@ -62,6 +62,17 @@ ajax '/ajax/content/search/node' => require_login sub {
             }
         );
 
+        my $netbios = schema('netdisco')->resultset('NodeNbt')->search(
+            { mac => $mac->as_IEEE },
+            { order_by   => { '-desc' => 'time_last' },
+              '+columns' => [
+                {
+                  time_first_stamp => \"to_char(time_first, 'YYYY-MM-DD HH24:MI')",
+                  time_last_stamp  => \"to_char(time_last,  'YYYY-MM-DD HH24:MI')"
+                }]
+            }
+        );
+
         return unless $sightings->count
             or $ips->count
             or $ports->count;
@@ -71,6 +82,7 @@ ajax '/ajax/content/search/node' => require_login sub {
           sightings => $sightings,
           ports     => $ports,
           wireless  => $wireless,
+          netbios   => $netbios,
         }, { layout => undef };
     }
     else {