class.ilShopVatsList.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
 
require_once 'Services/Payment/classes/class.ilShopVats.php';
require_once 'Services/Payment/classes/class.ilShopUtils.php';
 
class ilShopVatsList implements Iterator
{
        private $db = null;
        private $num_vat_list = 0;
        private $vat_list = array();
        
        public static function _isVATAlreadyCreated($a_vat_rate, $a_vat_id = null)
        {
                global $ilDB;
                
                $types = array();
                $data = array();
                
                $query = "SELECT * FROM payment_vats "
                           . "WHERE vat_rate = ? ";
                $types[] = 'float';
                $data[] = (float)$a_vat_rate;
                
                if((int)$a_vat_id)
                {
                        $query .= "AND vat_id != ? ";
                        $types[] = 'integer';
                        $data[] = $a_vat_id;
                }
 
                $statement = $ilDB->prepare(trim($query), $types);
                $result = $ilDB->execute($statement, $data);
                while($row = $ilDB->fetchObject($result))
                {
                        return true;    
                }               
                
                return false;
        }
        
        public function __construct()
        {
                global $ilDB;
                
                $this->db = $ilDB;
        }
        
        public function read()
        {               
                $this->vat_list = array();
                
                $query = "SELECT * FROM payment_vats ";
                $query.= "WHERE 1 = 1 ";                
                if(!in_array($this->getOrderColumn(), array('vat_title', 'vat_rate')))
                {
                        $this->setOrderColumn('vat_rate');
                        $this->setOrderDirection('ASC');
                }               
                
                $order_limit = " ORDER BY ".$this->getOrderColumn()." ".strtoupper($this->getOrderDirection())." ";             
                if((int)$this->getListMax())
                {
                        $order_limit .= "LIMIT ".$this->getListStart().", ".$this->getListMax();
                }
 
                $res = $this->db->query($query.$order_limit);   
                while($row = $this->db->fetchObject($res))
                {                       
                        $oVAT = new ilShopVats();
                        $oVAT->setId($row->vat_id);                     
                        $oVAT->setTitle($row->vat_title);
                        $oVAT->setRate($row->vat_rate);
 
                        $this->vat_list[$oVAT->getId()] = $oVAT;        
                }
                
                $res = $this->db->query(str_replace('*', 'COUNT(vat_id) AS num_vat_list', $query));     
                while($row = $this->db->fetchObject($res))
                {                       
                        $this->num_vat_list = $row->num_vat_list;
                        break;  
                }
 
                return $this;
        }
        
        public function getNumItems()
        {
                return $this->num_vat_list;
        }       
        public function hasItems()
        {
                return (bool)count($this->vat_list);
        }       
        public function getItems()
        {
                return is_array($this->vat_list) ? $this->vat_list : array();
        }       
        public function rewind()
        {
                return reset($this->vat_list);
        }       
        public function valid()
        {
                return (bool)current($this->vat_list);
        }
        public function current()
        {
                return current($this->vat_list);
        }
        public function key()
        {
                return key($this->vat_list);
        }
        public function next()
        {
                return next($this->vat_list);
        }
        
        public function setOrderColumn($a_order_column)
        {
                $this->order_column = $a_order_column;
                
                return $this;
        }
        public function getOrderColumn()
        {
                return $this->order_column;
        }
        public function setOrderDirection($a_order_column)
        {
                $this->order_direction = $a_order_column;
                
                return $this;
        }
        public function getOrderDirection()
        {
                return $this->order_direction;
        }
        public function setListStart($a_list_start)
        {
                $this->list_start = $a_list_start;
                
                return $this;
        }
        public function getListStart()
        {
                return $this->list_start;
        }
        public function setListMax($a_list_max)
        {
                $this->list_max = $a_list_max;
                
                return $this;
        }       
        public function getListMax()
        {
                return $this->list_max;
        }
}
?>