payment/classes/class.ilPaymentVendors.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

class ilPaymentVendors
{
        var $db = null;

        var $vendors = array();

        function ilPaymentVendors()
        {
                global $ilDB;

                $this->db =& $ilDB;

                $this->__read();
        }

        function getVendors()
        {
                return $this->vendors;
        }

        function isAssigned($a_usr_id)
        {
                return isset($this->vendors[$a_usr_id]);
        }

        function add($a_usr_id)
        {
                if(isset($this->vendors[$a_usr_id]))
                {
                        die("class.ilPaymentVendors::add() Vendor already exists");
                }
                $query = "INSERT INTO payment_vendors ".
                        "SET vendor_id = '".$a_usr_id."', ".
                        "cost_center = '".IL_INST_ID."_".$a_usr_id."'";

                $this->db->query($query);
                $this->__read();

                return true;
        }
        function update($a_usr_id, $a_cost_center)
        {
                $query = "UPDATE payment_vendors ".
                        "SET cost_center = '".$a_cost_center."' ".
                        "WHERE vendor_id = '".$a_usr_id."'";

                $this->db->query($query);
                $this->__read();

                return true;
        }
        function delete($a_usr_id)
        {
                if(!isset($this->vendors[$a_usr_id]))
                {
                        die("class.ilPaymentVendors::delete() Vendor does not exist");
                }
                $query = "DELETE FROM payment_vendors ".
                        "WHERE vendor_id = '".$a_usr_id."'";

                $this->db->query($query);
                $this->__read();
                
                return true;
        }

        // PRIVATE
        function __read()
        {
                $this->vendors = array();

                $query = "SELECT * FROM payment_vendors ";
                $res = $this->db->query($query);
                
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->vendors[$row->vendor_id]['vendor_id'] = $row->vendor_id;
                        $this->vendors[$row->vendor_id]['cost_center'] = $row->cost_center;
                }
                return true;
        }

        // STATIC
        function _isVendor($a_usr_id)
        {
                global $ilDB;

                $query = "SELECT cost_center FROM payment_vendors ".
                        "WHERE vendor_id = '".$a_usr_id."'";

                $res = $ilDB->query($query);

                return $res->numRows() ? true : false;
        }

        function _getCostCenter($a_usr_id)
        {
                global $ilDB;

                $query = "SELECT * FROM payment_vendors ".
                        "WHERE vendor_id = '".$a_usr_id."'";

                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        return $row->cost_center;
                }
                return -1;
        }               

} // END class.ilPaymentVendors
?>