<?php

/**
 * Content component: FAQ
 *
 * @author Robert Wartenberg <rw@boogiedev.net>
 * @package WB
 */

/**
 * Load base class
 */
WBClass::load(
    'WBContent'
);

/**
 * Content component: FAQ
 *
 * @version 0.1.2
 * @package WB
 */
class WBContent_FAQ extends WBContent
{

    /**
     * FAQ parameter list
     * @var array
     */
    protected $config = array(
        'id'                    =>  '',
        'goto'                  =>  '0',
        'limit'                 =>  20,
    );

    /**
     * @var WBFormProcessor_Filter
     */
    protected $filter;


    /**
     * pager information
     * @var array
     */
    protected $pagerInfo    =   array();


    /**
     * 2nd constructor
     *
     * Called after configuration was done
     */
    protected function init()
    {
        $this->table    =   WBClass::create('WBDatasource_Table');
    }

    /**
     * run
     *
     * run component
     *
     * @return array parameter list
     */
    public function run()
    {
        $this->config['searchfields'] = array('question', 'answer');
        $this->initFilter();

        $this->addConfigAsGlobalVars();
        $this->bubbles['title'] =   $this->config['title'];

        if ($this->displayArticleById($this->config['id'])) {
            return $this->config;
        }
        $this->displayList();
        return $this->config;
    }

    /**
     * displayArticle
     *
     * displays single FAQ article
     *
     * @param int faqid
     * @return bool
     */
    private function displayArticleById($id)
    {
        if (empty($id)) {
            return false;
        }

        $options    =   array();
        $clause     =   array();
        $clause[]   =   array(
            'field' => 'enabled',
            'value' => 1
        );
        $faq        =    $this->table->get('faq', $id, null, $clause);
        if (1 != count($faq)) {
            return false;
        }
        $faq    =   $faq[0];

        $this->loadTemplates('article');
        $this->tmpl->addGlobalVars($faq);
        $this->bubbles['title'] =   $faq['question'] . ' - ' . $this->bubbles['title'];
        return true;
    }

    /**
     * Initialize Filter, if configured
     *
     */
    protected function initFilter()
    {
        $this->filter   =   WBClass::create('WBFormProcessor_Filter');
        $this->filter->setRequest($this->req);
        $this->filter->setTemplate($this->tmpl, $this->config['tmplDir']);

        $this->filter->buildClause($this->config['searchfields']);
    }


    /**
     * displayList
     *
     * displays list of FAQ entrys with pagination
     *
     * @return array parameter list
     */
    private function displayList()
    {
        $options  =   array(
            'limit' => $this->config['limit'],
        );
        $clause     =   array();
        $clause     =   $this->filter->getClause();
        $clause[]   =   array(
            'field' => 'enabled',
            'value' => 1
        );

        $pager              =   $this->table->getPager($this->part . __CLASS__, 'faq', null, $clause, $options);
        $this->pagerInfo    =   $pager->browse($this->config['goto']);
        $faq                =   $pager->get();

        $this->loadTemplates('list');
        $this->tmpl->addRows('list_entry', $faq);
        $this->tmpl->addGlobalVar('page_entry_count', count($faq));
        $this->tmpl->addGlobalVars($this->pagerInfo, 'pager_');

        $total  =   $this->table->count('faq', null, null, $clause, $options);
        $this->tmpl->addGlobalVar('total_count', $total);
    }
}