class.ilECSCategoryMappingRule.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 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. |
        +-----------------------------------------------------------------------------+
*/

include_once './Services/Calendar/classes/class.ilDate.php';

class ilECSCategoryMappingRule
{
        const ATTR_STRING = 1;
        const ATTR_INT = 2;
        const ATTR_ARRAY = 3;
        
        const TYPE_FIXED = 0;
        const TYPE_DURATION = 1;
        const TYPE_BY_TYPE = 2;
        
        const ERR_MISSING_VALUE = 'ecs_err_missing_value';
        const ERR_INVALID_DATES = 'ecs_err_invalid_dates';
        const ERR_INVALID_TYPE = 'ecs_err_invalid_type';
        const ERR_MISSING_BY_TYPE = 'ecs_err_invalid_by_type';
        
        protected $db;
        
        private $mapping_id;
        private $container_id;
        private $field_name;
        private $mapping_type;
        private $mapping_value;
        private $range_dt_start;
        private $range_dt_end;
        private $by_type;
        
        public function __construct($a_mapping_id = 0)
        {
                global $ilDB;
                
                $this->mapping_id = $a_mapping_id;
                
                $this->db = $ilDB;
                $this->read();
        }
        
        protected function setMappingId($a_id)
        {
                $this->mapping_id = $a_id;
        }
        
        public function getMappingId()
        {
                return $this->mapping_id;
        }
        
        public function setContainerId($a_id)
        {
                $this->container_id = $a_id;
        }
        
        public function getContainerId()
        {
                return $this->container_id;
        }
        
        public function setDateRangeStart($start)
        {
                $this->range_dt_start = $start;  
        }
        
        public function getDateRangeStart()
        {
                return $this->range_dt_start ? $this->range_dt_start : new ilDate(time(),IL_CAL_UNIX);
        }
        
        public function setDateRangeEnd($end)
        {
                $this->range_dt_end = $end;      
        }
        
        public function getDateRangeEnd()
        {
                if($this->range_dt_end)
                {
                        return $this->range_dt_end;
                }
                $this->range_dt_end = $this->getDateRangeStart();
                $this->range_dt_end->increment(IL_CAL_MONTH,6);
                return $this->range_dt_end;
        }

        public function setFieldName($a_field)
        {
                $this->field_name = $a_field;
        }
        
        public function getFieldName()
        {
                return $this->field_name;        
        }
        
        public function setMappingType($a_type)
        {
                $this->mapping_type = $a_type;
        }
        
        public function getMappingType()
        {
                return $this->mapping_type;      
        }
        
        public function setMappingValue($a_value)
        {
                $this->mapping_value = $a_value;
        }
        
        public function getMappingValue()
        {
                return $this->mapping_value;
        }
        
        public function getMappingAsArray()
        {
                return explode(',',$this->getMappingValue());
        }
        
        public function setByType($a_type)
        {
                $this->by_type = $a_type;
        }
        
        public function getByType()
        {
                return $this->by_type;   
        }
        
        public function delete()
        {
                $sta = $this->db->manipulateF('DELETE FROM ecs_container_mapping WHERE mapping_id = %s ',
                        array('integer'),
                        array($this->getMappingId())
                );
        }
        
        public function update()
        {
                if($this->getMappingType() == self::TYPE_BY_TYPE)
                {
                        $mapping_value = $this->getByType();
                }
                else
                {
                        $mapping_value = $this->getMappingValue();
                }
                
                $sta = $this->db->manipulateF(
                        'UPDATE ecs_container_mapping SET '.
                        'container_id = %s, '.
                        'field_name = %s, '.
                        'mapping_type = %s, '.
                        'mapping_value = %s, '.
                        'date_range_start = %s,'.
                        'date_range_end = %s '.
                        'WHERE mapping_id = %s',
                        array('integer','text','integer','text','integer','integer','integer'),
                        array(
                        $this->getContainerId(),
                        $this->getFieldName(),
                        $this->getMappingType(),
                        $mapping_value,
                        $this->getDateRangeStart()->get(IL_CAL_UNIX),
                        $this->getDateRangeEnd()->get(IL_CAL_UNIX),
                        $this->getMappingId())
                );
        }
        
        public function save()
        {
                global $ilDB;
                
                if($this->getMappingType() == self::TYPE_BY_TYPE)
                {
                        $mapping_value = $this->getByType();
                }
                else
                {
                        $mapping_value = $this->getMappingValue();
                }
                
                $mapping_id = $ilDB->nextId('ecs_container_mapping');
                $sta = $this->db->manipulateF(
                        'INSERT INTO ecs_container_mapping  '.
                        '(mapping_id,container_id,field_name,mapping_type,mapping_value,date_range_start,date_range_end) '.
                        'VALUES(%s,%s,%s,%s,%s,%s,%s) ',
                        array('integer','integer','text','integer','text','integer','integer'),
                        array(
                                $mapping_id,
                                $this->getContainerId(),
                                $this->getFieldName(),
                                $this->getMappingType(),
                                $mapping_value,
                                $this->getDateRangeStart()->get(IL_CAL_UNIX),
                                $this->getDateRangeEnd()->get(IL_CAL_UNIX))
                        );
        }
        
        public function validate()
        {
                if(ilObject::_lookupType(ilObject::_lookupObjId($this->getContainerId())) != 'cat')
                {
                        return self::ERR_INVALID_TYPE;
                }
                if(!ilDateTime::_after($this->getDateRangeEnd(),$this->getDateRangeStart(),IL_CAL_DAY))
                {
                        return self::ERR_INVALID_DATES;
                }
                if($this->getMappingType() == self::TYPE_DURATION && !in_array($this->getFieldName(), array('begin', 'end')))
                {
                        return self::ERR_MISSING_VALUE;
                }
                // handled by form gui?
                if($this->getMappingType() == self::TYPE_FIXED and !$this->getMappingValue())
                {
                        return self::ERR_MISSING_VALUE;
                }
                if($this->getMappingType() == self::TYPE_BY_TYPE && $this->getFieldName() != 'type')
                {
                        return self::ERR_MISSING_BY_TYPE;
                }
                if($this->getMappingType() != self::TYPE_BY_TYPE && $this->getFieldName() == 'type')
                {
                        return self::ERR_MISSING_VALUE;
                }
                return 0;
        }
        
        public function conditionToString()
        {
                global $lng;
                
                switch($this->getMappingType())
                {
                        case self::TYPE_FIXED:

                                if($this->getFieldName() == 'part_id')
                                {
                                        return $lng->txt('ecs_field_'.$this->getFieldName()).': '.$this->participantsToString();
                                }
                                return $lng->txt('ecs_field_'.$this->getFieldName()).': '.$this->getMappingValue();
                                
                        case self::TYPE_DURATION:
                                return $lng->txt('ecs_field_'.$this->getFieldName()).': '.ilDatePresentation::formatPeriod(
                                        $this->getDateRangeStart(),
                                        $this->getDateRangeEnd());
                                
                        case self::TYPE_BY_TYPE:                        
                                return $lng->txt('type').': '.$lng->txt('obj_'.$this->getByType());
                }        
        }
        
        public function participantsToString()
        {
                include_once './Services/WebServices/ECS/classes/class.ilECSUtils.php';
                
                $part_string = "";
                $part = explode(',',$this->getMappingValue());
                $counter = 0;
                foreach($part as $part_id)
                {
                        if($counter++)
                        {
                                $part_string .= ', ';                           
                        }
                        $part_string .= '"';
                        
                        $part_id_arr = explode('_', $part_id);
                        if($name = ilECSUtils::lookupParticipantName($part_id_arr[1],$part_id_arr[0]))
                        {
                                $part_string .= $name;
                        }
                        else
                        {
                                $part_string .= $part_id;
                        }
                        $part_string .= '"';
                }
                return $part_string;
        }

        public function matches(array $a_matchable_content)
        {               
                if(isset($a_matchable_content[$this->getFieldName()]))
                {
                        $value = $a_matchable_content[$this->getFieldName()];
                        return $this->matchesValue($value[0], $value[1]);
                }               
                return false;
        }
        
        protected function matchesValue($a_value,$a_type)
        {
                global $ilLog;
                
                
                switch($a_type)
                {
                        case self::ATTR_ARRAY:
                                $values = explode(',',$a_value);
                                $ilLog->write(__METHOD__.': Checking for value: '. $a_value);
                                $ilLog->write(__METHOD__.': Checking against attribute values: '. $this->getMappingValue());
                                break;
                                
                        case self::ATTR_INT:
                                $ilLog->write(__METHOD__.': Checking for value: '. $a_value);
                                $ilLog->write(__METHOD__.': Checking against attribute values: '. $this->getMappingValue());
                                $values = array($a_value);
                                break;
                                
                        case self::ATTR_STRING:
                                $values = array($a_value);
                                break;
                }
                $values = explode(',',$a_value);
                
                foreach($values as $value)
                {
                        $value = trim($value);
                        switch($this->getMappingType())
                        {
                                case self::TYPE_FIXED:
                                        
                                        foreach($this->getMappingAsArray() as $attribute_value)
                                        {
                                                $attribute_value = trim($attribute_value);
                                                if(strcasecmp($attribute_value,$value) == 0)
                                                {
                                                        return true;
                                                }
                                        }
                                        break;
                                        
                                case self::TYPE_DURATION:
                                        include_once './Services/Calendar/classes/class.ilDateTime.php';
                                        $tmp_date = new ilDate($a_value,IL_CAL_UNIX);
                                        return ilDateTime::_after($tmp_date,$this->getDateRangeStart()) and 
                                                ilDateTime::_before($tmp_date,$this->getDateRangeEnd());
                        }
                }
                return false;
        }
        
        protected function read()
        {
                if(!$this->getMappingId())
                {
                        return false;
                }
                $res = $this->db->queryF('SELECT * FROM ecs_container_mapping WHERE mapping_id = %s',
                        array('integer'),
                        array($this->getMappingId())
                );
                while($row = $this->db->fetchObject($res))
                {                       
                        $this->setMappingId($row->mapping_id);
                        $this->setDateRangeStart($row->date_range_start ? new ilDate($row->date_range_start,IL_CAL_UNIX) : null);
                        $this->setDateRangeEnd($row->date_range_end ? new ilDate($row->date_range_end,IL_CAL_UNIX) : null);
                        $this->setMappingType($row->mapping_type);                      
                        $this->setFieldName($row->field_name);
                        $this->setContainerId($row->container_id);
                        
                        if($this->getMappingType() == self::TYPE_BY_TYPE)
                        {
                                $this->setByType($row->mapping_value);
                        }
                        else
                        {
                                $this->setMappingValue($row->mapping_value);
                        }
                        
                }
                return true;
        }
}
?>