added hook example for choosing a template variant

mojolicious · Mar 13, 2014 · 11e493b · 11e493b
1 parent faf0c70
commit 11e493b
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/lib/Mojolicious/Guides/Routing.pod b/lib/Mojolicious/Guides/Routing.pod
@@ -703,6 +703,13 @@ Same for pre-processing the request.
     $c->req->method($method);
   });
 
+  # Choose template variant based on request headers
+  $self->hook(before_dispatch => sub {
+    my $c = shift;
+    return unless my $agent = $c->req->headers->user_agent;
+    $c->stash(variant => 'ie') if $agent =~ /Internet Explorer/;
+  });
+
 Or more advanced extensions to add monitoring to your application.
 
   # Forward exceptions to a web service