chamilo-lms/main/inc/lib/promotion.lib.php

<?php
/* For licensing terms, see /license.txt */

/**
*	This class provides methods for the promotion management.
*	Include/require it in your code to use its features.
*	@package chamilo.library
*/

require_once 'model.lib.php';
require_once 'career.lib.php';

define ('PROMOTION_STATUS_ACTIVE',  1);
define ('PROMOTION_STATUS_INACTIVE',0);   

class Promotion extends Model {
    
    var $table;
    var $columns = array('id','name','description','career_id','status');
    
	public function __construct() {
        $this->table =  Database::get_main_table(TABLE_PROMOTION);
	}
    
    /**
     * Gets all promotions by career id
     * @param   int     career id
     * @return  array   results
     */
    public function get_all_promotions_by_career_id($career_id) {        
        return Database::select('*', $this->table, array('where'=>array('career_id = ?'=>$career_id)));
    }
    
    public function get_status_list() {
    	return array(PROMOTION_STATUS_ACTIVE => get_lang('Active'), PROMOTION_STATUS_INACTIVE => get_lang('Inactive'));
    } 
   
    /**
     * Displays the title + grid
     * @return  string  html code
     */
	function display() {
		// action links
		echo '<div class="actions" style="margin-bottom:20px">';
        echo '<a href="career_dashboard.php">'.Display::return_icon('back.png',get_lang('Back')).get_lang('Back').'</a>';
		echo '<a href="'.api_get_self().'?action=add">'.Display::return_icon('filenew.gif',get_lang('Add')).get_lang('Add').'</a>';	
		echo '</div>';
        echo Display::grid_html('promotions');  
	}
    
    /**
     * Update all session status by promotion
     * @param   int     promotion id
     * @param   int     status (1, 0)
    */
    public function update_all_sessions_status_by_promotion_id($promotion_id, $status) { 
        require_once api_get_path(LIBRARY_PATH).'sessionmanager.lib.php';               
        $session_list   = SessionManager::get_all_sessions_by_promotion($promotion_id);    
        if (!empty($session_list)) {
            foreach($session_list  as $item) {
                SessionManager::set_session_status($item['id'], $status);            
            }
        }
    }
    
        
    /**
     * Returns a Form validator Obj
     * @todo the form should be auto generated
     * @param   string  url
     * @param   string  header name
     * @return  obj     form validator obj 
     */
     
    function return_form($url, $header) {
    	$form = new FormValidator('promotion', 'post', $url);
        // Settting the form elements
        $form->addElement('header', '', $header);
        $form->addElement('hidden', 'id', intval($_GET['id']));
        $form->addElement('text', 'name', get_lang('Name'), array('size' => '100','id' => 'name'));
        $form->addElement('html_editor', 'description', get_lang('description'), null);
            
        $career = new Career();
        $careers = $career->get_all();
        $career_list = array();    
        foreach($careers as $item) {        
            $career_list[$item['id']] = $item['name'];
        }
        $form->addElement('select', 'career_id', get_lang('Career'), $career_list);
        
        $status_list = $this->get_status_list();         
        $form->addElement('select', 'status', get_lang('Status'), $status_list);
          
         
        $form->addElement('style_submit_button', 'submit', get_lang('Modify'), 'class="save"');
    
        // Setting the defaults
        $defaults = $this->get($_GET['id']);    
        $form->setDefaults($defaults);
    
        // Setting the rules
        $form->addRule('name', '<div class="required">'.get_lang('ThisFieldIsRequired'), 'required');
        
        return $form;
    }
}