jacobemerick/web

<?

Loader::load('controller', 'blog/DefaultPageController');

abstract class DefaultListController extends DefaultPageController
{

    protected static $POSTS_PER_PAGE = 10;

    protected $page;
    protected $offset;

    public function __construct()
    {
        parent::__construct();
        
        $this->page = $this->get_page_number();
        $this->total_pages = ceil($this->get_total_post_count() / self::$POSTS_PER_PAGE);
        $this->offset = ($this->page - 1) * self::$POSTS_PER_PAGE;
    }

    abstract protected function get_page_number();
    abstract protected function get_list_results();
    abstract protected function get_list_description();
    abstract protected function get_list_next_link();
    abstract protected function get_list_prev_link();
    abstract protected function get_total_post_count();

    protected function set_head_data()
    {
        parent::set_head_data();
        
        $this->set_head('next_link', $this->get_list_next_link());
        $this->set_head('previous_link', $this->get_list_prev_link());
    }

    protected function set_body_data()
    {
        parent::set_body_data();
        
        $this->set_body('view', 'Listing');
        $this->set_body('data', $this->get_list_body_data());
    }

    final private function get_list_body_data()
    {
        return array(
            'posts' => $this->get_list_posts(),
            'show_top_navigation' => ($this->page !== 1),
            'navigation' => array(
                'description' => $this->get_list_description(),
                'next' => $this->get_list_next_link(),
                'prev' => $this->get_list_prev_link()));
    }

    final private function get_list_posts()
    {
        $post_array = array();
        foreach($this->get_list_results() as $post)
        {
            $post_array[] = $this->format_post($post, true);
        }
        if(count($post_array) < 1 && URLDecode::getPiece(1) !== 'search')
            $this->eject();
        return $post_array;
    }

}