Port Log now viewable via an icon by device port name

Netdisco/lib/App/Netdisco/Manual/WritingPlugins.pod

@@ -218,6 +218,16 @@ Note that this won't work for any target link - the path must be an
 App::Netdisco Dancer route handler. Please bug the App::Netdisco devs if you
 want arbitrary links supported.
 
+An additional feature allows you to create Admin Tasks which do not appear in
+the Navbar menu. This is useful if the page is only linked directly from
+another (for example Port Log). To enable this feature add the C<hidden> key:
+
+ register_admin_task({
+   tag   => 'newfeature',
+   label => 'My New Feature',
+   hidden => true,
+ });
+
 =head1 Device Port Columns
 
 You can also add columns to the Device Ports page. The canonical example of

Netdisco/lib/App/Netdisco/Web/Plugin/AdminTask/PortLog.pm

@@ -0,0 +1,39 @@
+package App::Netdisco::Web::Plugin::AdminTask::PortLog;
+
+use Dancer ':syntax';
+use Dancer::Plugin::Ajax;
+use Dancer::Plugin::DBIC;
+use Dancer::Plugin::Auth::Extensible;
+
+use App::Netdisco::Web::Plugin;
+
+register_admin_task({
+  tag => 'portlog',
+  label => 'Port Control Log',
+  hidden => true,
+});
+
+ajax '/ajax/content/admin/portlog' => require_role admin => sub {
+    my $device = param('q');
+    my $port = param('f');
+    send_error('Bad Request', 400) unless $device and $port;
+
+    $device = schema('netdisco')->resultset('Device')
+      ->search_for_device($device);
+    return unless $device;
+
+    my $set = schema('netdisco')->resultset('DevicePortLog')->search({
+        ip => $device->ip,
+        port => $port,
+      }, {
+        order_by => { -desc => [qw/creation/] },
+        rows => 200,
+      });
+
+    content_type('text/html');
+    template 'ajax/admintask/portlog.tt', {
+      results => $set,
+    }, { layout => undef };
+};
+
+true;