Building Testable Applications using the Repository Pattern - http://www.slashnode.com/the-repository-pattern/

PostRepository.php

<?php namespace Acme\Storage;

use Acme\Models\Post;

class PostRepository {

  public function paginate($perPage = null, $columns = array('*'))
  {
    return Post::paginate($perPage, $columns);
  }
  
  public function findOrFail($id, $columns = array('*'))
  {
    return Post::findOrFail($id, $columns);
  }

  // ...etc  
}