add device inventory by location report

Netdisco/lib/App/Netdisco/Web/Plugin/Report/DeviceByLocation.pm

@@ -0,0 +1,35 @@
+package App::Netdisco::Web::Plugin::Report::DeviceByLocation;
+
+use Dancer ':syntax';
+use Dancer::Plugin::DBIC;
+use Dancer::Plugin::Auth::Extensible;
+
+use App::Netdisco::Web::Plugin;
+
+register_report(
+    {   category     => 'Device',
+        tag          => 'devicebylocation',
+        label        => 'By Location',
+        provides_csv => 1,
+    }
+);
+
+get '/ajax/content/report/devicebylocation' => require_login sub {
+    my $set
+        = schema('netdisco')->resultset('Device')
+        ->search( {},
+        { order_by => [qw/ location name ip vendor model /], } );
+    return unless $set->count;
+
+    if ( request->is_ajax ) {
+        template 'ajax/report/devicebylocation.tt', { results => $set, },
+            { layout => undef };
+    }
+    else {
+        header( 'Content-Type' => 'text/comma-separated-values' );
+        template 'ajax/report/devicebylocation_csv.tt', { results => $set, },
+            { layout => undef };
+    }
+};
+
+true;