Is it OK to wire routing-generale methods into the view? - symfony

Question

many times I see, for example in Symfony:
html file:
<hr>
<?php $this->generateUrl('blog_show', array('slug' => 'slug-value')); ?>
<br>
this is a bad smell, like not using depencency injection: this way HTML is coupled to the current framework. I have to edit it if I want to move it to another framework.
Wouldnt it be better to just pass the generated url string from the controller?

Answer 1

You can separate your view from your backend as you want, but your frontend file has to refer to an url at some point, even if it is just an api.
Changing your url from <?php $this->generateUrl('blog_show', array('slug' => 'slug-value')); ?> to <?php $showUrl; ?> just make it less maintainable and harder to migrate to another framework.
If you want to be Framework Independant you should use Symfony backend like an API.

Answer 2

The url could be generated in the controller to separate model from view. But it's only a first step. The best way is to separate model, view and routing. I think the best way is to use a view helper which generates the path. I changed some framework for project (abandonware to symfony). It is easier when the project used a template (like Smarty or Twig)
Take a look at Symfony Twig extensions to have some example which separates path generation and controller.
As example, Twig purpose the path method. This view helper is searching the url path from the route paramter. It doesn't have any relation with controller or model.
path : Returns the relative URL (without the scheme and host) for the given
route. If relative is enabled, it'll create a path relative to the
current path.
As you can see there you only have to be carefull to the route name.
/**YourController**/
/**
* #Route("/foo", name="new-game", methods="get")
*
* #return Response
*/
public function myFooAction()
{
//Your code
//The rendering without information about his own or other path
return $this->render('default/foo.html.twig', []);
}
And the corresponding path in Twig :
<hr>
Some text
<br>