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aaron

I have database queries in my ViewModel that require dynamic parameters, such as a Post ID, date range, etc. How do I pass in these values from the controller so I can properly build my query? Imagine something simple like this:

// controller/posts.php
...
public function action_show()
{
  $this->template->content = ViewModel::forge('posts/show');
}
...

// view/posts/show.php
...
public function view()
{
  $this->post = Model_Post::find(x);
}
...

I'm not clear on how I would get the Post ID in this example.

Jelmer Schreuder

Depends on where you're getting it from. If it's GET/POST/etc I'd just use the Input::get()/Input::post()/Input::param() method in my viewmodel. If it's a segment from the URI it's better practice to determine it in the controller and pass it to the ViewModel:

// controller/posts.php
...
public function action_show($id)
{
    $this->template->content = ViewModel::forge('posts/show');
    $this->template->content->post_id = $id;
}

After which it's available as a property within the ViewModel:

// view/posts/show.php
...
public function view()
{
  $this->post = Model_Post::find($this->post_id);
}

aaron

Cool, thanks!

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