class.ilShopTopics.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once 'Services/Payment/classes/class.ilShopTopic.php';
//include_once 'Services/Payment/classes/class.ilPaymentSettings.php';

class ilShopTopics
{
        private static $instance;
                
        private $db = null;
        private $sorting_type = self::TOPICS_SORT_BY_TITLE;
        private $sorting_direction = 'ASC';
        private $enable_custom_sorting = false;
        private $id_filter = 0;
        private $topics = array();      
        
        const TOPICS_SORT_BY_TITLE = 1;
        const TOPICS_SORT_BY_CREATEDATE = 2;
        const TOPICS_SORT_MANUALLY = 3;
        
        const DEFAULT_SORTING_TYPE = self::TOPICS_SORT_BY_TITLE;
        const DEFAULT_SORTING_DIRECTION = 'ASC';
        
        private function __construct()
        {
                global $ilDB;

                $this->db = $ilDB;              
        }
        
        public static function _getInstance()
        {
                if(!isset(self::$instance))
                {
                        self::$instance = new ilShopTopics();
                }
                
                return self::$instance;
        }
        
        public function read()
        {
                global $ilUser;
                
                $this->topics = array();
                
                if(!in_array($this->getSortingType(), array(self::TOPICS_SORT_BY_TITLE, self::TOPICS_SORT_BY_CREATEDATE, self::TOPICS_SORT_MANUALLY)))
                {
                        $this->setSortingType(self::DEFAULT_SORTING_TYPE);
                }
                if(!in_array(strtoupper($this->getSortingDirection()), array('ASC', 'DESC')))
                {
                        $this->setSortingDirection(self::DEFAULT_SORTING_DIRECTION);
                }
                
                if(!$this->isCustomSortingEnabled())
                {
                
                        $data_types = array();
                        $data_values = array();
                        
                        $query = 'SELECT * FROM payment_topics WHERE 1 = 1 ';
                        if((int)$this->getIdFilter() > 0)
                        {
                                $query .= ' AND pt_topic_pk = %s';
                                array_push($data_types, 'integer');
                                array_push($data_values, $this->getIdFilter()); 
                        }
                        
                        switch($this->getSortingType())
                        {
                                case 3:
                                        $query .= ' ORDER BY pt_topic_sort ';
                                        break;
                                        
                                case 2:
                                        $query .= ' ORDER BY pt_topic_created ';
                                        break;
                                        
                                case 1:                         
                                default:
                                        $query .= ' ORDER BY pt_topic_title ';
                                        break;
                        }
                        $query .= ' '.strtoupper($this->getSortingDirection()).' ';                     
                        $query .= " , pt_topic_title ";
                        $query .= ' '.strtoupper($this->getSortingDirection()).' ';
                        
                        
                }
                else
                {

                        $data_types = array();
                        $data_values = array();

                        $query = 'SELECT * FROM payment_topics ';               
                        switch($this->getSortingType())
                        {
                                case 3:
                                        $query .= ' LEFT JOIN payment_topic_usr_sort ON 
                                                               ptus_pt_topic_fk = pt_topic_pk AND
                                                                   ptus_usr_id = %s';
                                        array_push($data_types, 'integer');
                                        array_push($data_values, $ilUser->getId());
                                        
                                        break;
                        }
                        $query .= ' WHERE 1 = 1 ';
                        
                        if((int)$this->id_filter > 0)
                        {
                                $query .= ' AND pt_topic_pk = %s';
                                array_push($data_types, 'integer');
                                array_push($data_values, $this->getIdFilter());
                        }
                        
                        switch($this->getSortingType())
                        {
                                case 3:
                                        $query .= ' ORDER BY ptus_sorting ';
                                        break;
                                        
                                case 2:
                                        $query .= ' ORDER BY pt_topic_created ';
                                        break;
                                        
                                case 1:                         
                                default:
                                        $query .= ' ORDER BY pt_topic_title ';
                                        break;
                        }                                     
                        $query .= ' '.strtoupper($this->getSortingDirection()).' ';
                        $query .= " , pt_topic_sort ";
                        $query .= ' '.strtoupper($this->getSortingDirection()).' ';
                }

                if(count($data_types) > 0 && count($data_values > 0))
                {
                        $res = $this->db->queryf($query, $data_types, $data_values);
                }
                else
                {
                        $res = $this->db->query($query);
                }
                
                $counter = 0;
                while($row = $this->db->fetchObject($res))
                {
                        $oTopic = new ilShopTopic();
                        $oTopic->setId($row->pt_topic_pk);
                        $oTopic->setTitle($row->pt_topic_title);
                        $oTopic->setSorting($row->pt_topic_sort);
                        $oTopic->setCustomSorting((int)$row->ptus_sorting);                     
                        $oTopic->setCreateDate($row->pt_topic_created);
                        $oTopic->setChangeDate($row->pt_topic_changed);                 
                        $this->topics[$row->pt_topic_pk] = $oTopic;
                        
                        ++$counter;
                }       
                
                return $this;
        }
        
        public function getTopics()
        {
                return is_array($this->topics) ? $this->topics : array();
        }
        
        public function setIdFilter($a_id_filter)
        {
                $this->id_filter = $a_id_filter;
        }
        public function getIdFilter()
        {
                return $this->id_filter;
        }
        public function setSortingType($a_sorting_type)
        {
                $this->sorting_type = $a_sorting_type;
        }
        public function getSortingType()
        {
                return $this->sorting_type;
        }
        public function setSortingDirection($a_sorting_direction)
        {
                $this->sorting_direction = $a_sorting_direction;
        }
        public function getSortingDirection()
        {
                return $this->sorting_direction;
        }
        public function enableCustomSorting($a_enable_custom_sorting)
        {
                $this->enable_custom_sorting = (bool)$a_enable_custom_sorting;
        }
        public function isCustomSortingEnabled()
        {
                return (bool)$this->enable_custom_sorting;
        }
        
        public function getCountAssignedTopics()
        {
                global $ilDB;
                
                $res = $ilDB->query('SELECT pt_topic_fk, count(pt_topic_fk) cnt FROM payment_objects GROUP BY pt_topic_fk');
                
                $topics_count = array();
                while($row = $ilDB->fetchAssoc($res))
                {
                        $topics_count[$row['pt_topic_fk']] = (int)$row['cnt'];
                }

                return $topics_count;
        }
}
?>