payment/classes/class.ilPaymentTrustees.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 ilPaymentTrustees
{
        var $db = null;

        var $user_obj;
        var $trustees = array();

        function ilPaymentTrustees(&$user_obj)
        {
                global $ilDB;

                $this->db =& $ilDB;
                $this->user_obj =& $user_obj;

                $this->PERM_STATISTIC = 1;
                $this->PERM_OBJECT = 2;

                $this->__read();
        }
        
        function getTrustees()
        {
                return $this->trustees ? $this->trustees : array();
        }
        function getTrustee($a_usr_id)
        {
                return isset($this->trustees[$a_usr_id]) ? $this->trustees[$a_usr_id] : array();
        }
        function isTrustee($a_usr_id)
        {
                return isset($this->trustees[$a_usr_id]);
        }


        
        function toggleStatisticPermission($a_on)
        {
                $this->perm_stat = (bool) $a_on;
        }
        function toggleObjectPermission($a_on)
        {
                $this->perm_obj = (bool) $a_on;
        }
        function setTrusteeId($a_id)
        {
                $this->trustee_id = $a_id;
        }

        function add()
        {
                $query = "INSERT INTO payment_trustees ".
                        "SET vendor_id = '".$this->user_obj->getId()."', ".
                        "trustee_id = '".$this->__getTrusteeId()."', ".
                        "perm_stat = '".$this->__getStatisticPermissionStatus()."', ".
                        "perm_obj = '".$this->__getObjectPermissisonStatus()."'";
                
                $this->db->query($query);
                $this->__read();

                return true;
        }
        function modify()
        {
                if(!$this->__getTrusteeId())
                {
                        die("ilPaymentTrustees::modify() no id given");
                }

                $query = "UPDATE payment_trustees SET ".
                        "trustee_id = '".$this->__getTrusteeId()."', ".
                        "perm_stat = '".$this->__getStatisticPermissionStatus()."', ".
                        "perm_obj = '".$this->__getObjectPermissisonStatus()."' ".
                        "WHERE vendor_id = '".$this->user_obj->getId()."' ".
                        "AND trustee_id = '".$this->__getTrusteeId()."'";

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

                return true;
        }
        function delete()
        {
                if(!$this->__getTrusteeId())
                {
                        die("ilPaymentTrustees::delete() no id given");
                }
                $query = "DELETE FROM payment_trustees ".
                        "WHERE vendor_id = '".$this->user_obj->getId()."' ".
                        "AND trustee_id = '".$this->__getTrusteeId()."'";

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

                return true;
        }
        
        function deleteAll()
        {
                $query = "DELETE FROM payment_trustees ".
                        "WHERE vendor_id = '".$this->user_obj->getId()."'";

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

                return true;
        }
                        

        // PRIVATE
        function __getTrusteeId()
        {
                return $this->trustee_id;
        }
        function __getStatisticPermissionStatus()
        {
                return (int) $this->perm_stat;
        }
        function __getObjectPermissisonStatus()
        {
                return (int) $this->perm_obj;
        }
        function __read()
        {
                $this->trustees = array();

                $query = "SELECT * FROM payment_trustees ".
                        "WHERE vendor_id = '".$this->user_obj->getId()."'";

                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->trustees[$row->trustee_id]['trustee_id'] = $row->trustee_id;
                        $this->trustees[$row->trustee_id]['perm_stat'] = $row->perm_stat;
                        $this->trustees[$row->trustee_id]['perm_obj'] = $row->perm_obj;
                }
        }

        // STATIC
        function _deleteTrusteesOfVendor($a_vendor_id)
        {
                global $ilDB;

                $query = "DELETE FROM payment_trustees ".
                        "WHERE vendor_id = '".$a_vendor_id."'";

                $ilDB->query($query);

                return true;
        }

        function _hasStatisticPermission($a_trustee)
        {
                global $ilDB;
                
                $query = "SELECT * FROM payment_trustees ".
                        "WHERE trustee_id = '".$a_trustee."'";

                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        if((bool) $row->perm_stat)
                        {
                                return true;
                        }
                }
                return false;
        }
        function _hasObjectPermission($a_trustee)
        {
                global $ilDB;
                
                $query = "SELECT * FROM payment_trustees ".
                        "WHERE trustee_id = '".$a_trustee."'";

                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        if((bool) $row->perm_obj)
                        {
                                return true;
                        }
                }
                return false;
        }
        function _hasStatisticPermissionByVendor($a_trustee,$a_vendor)
        {
                global $ilDB;

                $query = "SELECT * FROM payment_trustees ".
                        "WHERE trustee_id = '".$a_trustee."' ".
                        "AND vendor_id = '".$a_vendor."' ".
                        "AND perm_stat = '1'";

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

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

        function _hasObjectPermissionByVendor($a_trustee,$a_vendor)
        {
                global $ilDB;

                $query = "SELECT * FROM payment_trustees ".
                        "WHERE trustee_id = '".$a_trustee."' ".
                        "AND vendor_id = '".$a_vendor."' ".
                        "AND perm_obj = '1'";

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

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

        function _hasAccess($a_usr_id)
        {
                return ilPaymentTrustees::_hasStatisticPermission($a_usr_id) or 
                        ilPaymentTrustees::_hasObjectPermission($a_usr_id);
        }

        function _getVendorsForObjects($a_usr_id)
        {
                global $ilDB;

                $query = "SELECT vendor_id FROM payment_trustees ".
                        "WHERE perm_obj = '1' ".
                        "AND trustee_id = '".$a_usr_id."'";

                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $vendors[] = $row->vendor_id;
                }

                return $vendors ? $vendors : array();
        }

} // END class.ilPaymentTrustees
?>