class.ilExportFieldsInfo.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. |
    +-----------------------------------------------------------------------------+
*/

class ilExportFieldsInfo
{
    private static $instance = null;
    
    private $settings;
    private $db;
    private $lng;
    
    private $obj_type = '';
    
    private $possible_fields = array();
    
    private function __construct($a_type)
    {
        global $ilDB,$ilSetting,$lng;
        
        $this->db = $ilDB;
        $this->lng = $lng;
        $this->settings = $ilSetting;
        
        $this->obj_type = $a_type;
        
        $this->read();
    }
    
    public static function _getInstanceByType($a_type)
    {
        if (is_object(self::$instance[$a_type])) {
            return self::$instance[$a_type];
        }
        return self::$instance[$a_type] = new ilExportFieldsInfo($a_type);
    }
    
    public function getType()
    {
        return $this->obj_type;
    }
    
    public function isExportable($a_field_name)
    {
        return array_key_exists($a_field_name, $this->possible_fields);
    }
    
    public function getFieldsInfo()
    {
        return $this->possible_fields;
    }
    
    public function getExportableFields()
    {
        foreach ($this->possible_fields as $field => $exportable) {
            if ($exportable) {
                $fields[] = $field;
            }
        }
        return $fields ? $fields : array();
    }
    
    public function getSelectableFieldsInfo($a_obj_id)
    {
        global $lng;
        
        $fields = array();
        foreach ($this->getExportableFields() as $field) {
            switch ($field) {
                case 'lastname':
                case 'firstname':
                    break;
    
                case 'username':
                    $fields['login']['txt'] = $lng->txt('login');
                    $fields['login']['default'] = 1;
                    break;
                
                default:
                    // #18795
                    $caption = ($field == "title")
                        ? "person_title"
                        : $field;
                    $fields[$field]['txt'] = $lng->txt($caption);
                    $fields[$field]['default'] = 0;
                    break;
            }
        }
        
        include_once './Services/Booking/classes/class.ilBookingEntry.php';
        if (ilBookingEntry::hasObjectBookingEntries($a_obj_id, $GLOBALS['ilUser']->getId())) {
            $GLOBALS['lng']->loadLanguageModule('dateplaner');
            $fields['consultation_hour']['txt'] = $GLOBALS['lng']->txt('cal_ch_field_ch');
            $fields['consultation_hour']['default'] = 0;
        }
        
        include_once './Services/User/classes/class.ilUserDefinedFields.php';
        if ($this->getType() == 'crs') {
            $udf = ilUserDefinedFields::_getInstance()->getCourseExportableFields();
        } elseif ($this->getType() == 'grp') {
            $udf = ilUserDefinedFields::_getInstance()->getGroupExportableFields();
        }
        if ($udf) {
            foreach ($udf as $field_id => $field) {
                $fields['udf_' . $field_id]['txt'] = $field['field_name'];
                $fields['udf_' . $field_id]['default'] = 0;
            }
        }
        
        include_once './Modules/Course/classes/Export/class.ilCourseDefinedFieldDefinition.php';
        $cdf = ilCourseDefinedFieldDefinition::_getFields($a_obj_id);
        foreach ($cdf as $def) {
            $fields['odf_' . $def->getId()]['txt'] = $def->getName();
            $fields['odf_' . $def->getId()]['default'] = 0;
        }

        if (count($cdf)) {
            // add last edit
            $fields['odf_last_update']['txt'] = $GLOBALS['lng']->txt($this->getType() . '_cdf_tbl_last_edit');
            $fields['odf_last_update']['default'] = 0;
        }
        
        return $fields;
    }
    
    public function exportableFieldsToInfoString()
    {
        $fields = array();
        foreach ($this->getExportableFields() as $field) {
            $fields[] = $this->lng->txt($field);
        }
        return implode('<br />', $fields);
    }
    
    private function read()
    {
        include_once './Services/User/classes/class.ilUserProfile.php';
        
        $profile = new ilUserProfile();
        $profile->skipGroup('settings');
        
        foreach ($profile->getStandardFields() as $key => $data) {
            if ($this->getType() == 'crs') {
                if (!$data['course_export_hide']) {
                    if (isset($data['course_export_fix_value']) and $data['course_export_fix_value']) {
                        $this->possible_fields[$key] = $data['course_export_fix_value'];
                    } else {
                        $this->possible_fields[$key] = 0;
                    }
                }
            } elseif ($this->getType() == 'grp') {
                if (!$data['group_export_hide']) {
                    if (isset($data['group_export_fix_value']) and $data['group_export_fix_value']) {
                        $this->possible_fields[$key] = $data['group_export_fix_value'];
                    } else {
                        $this->possible_fields[$key] = 0;
                    }
                }
            }
        }
        $settings_all = $this->settings->getAll();

        $field_part_limit = 5;
        switch ($this->getType()) {
            case 'crs':
                $field_prefix = 'usr_settings_course_export_';
                $field_part_limit = 5;
                break;
                
            case 'grp':
                $field_prefix = 'usr_settings_group_export_';
                $field_part_limit = 5;
                break;
        }
        
        foreach ($settings_all as $key => $value) {
            if (stristr($key, $field_prefix) and $value) {
                // added limit for mantis 11096
                $field_parts = explode('_', $key, $field_part_limit);
                $field = $field_parts[count($field_parts) - 1];
                if (array_key_exists($field, $this->possible_fields)) {
                    $this->possible_fields[$field] = 1;
                }
            }
        }
        return true;
    }

    public function sortExportFields()
    {
        $start_order = array("lastname" => array(), "firstname" => array(), "username" => array());

        foreach ($start_order as $key => $value) {
            if (isset($this->possible_fields[$key])) {
                $start_order[$key] = $this->possible_fields[$key];
                unset($this->possible_fields[$key]);
            } else {
                unset($start_order[$key]);
            }
        }

        if (count($start_order) > 0) {
            $this->possible_fields = array_merge($start_order, $this->possible_fields);
        }
    }
}