ldapsaisie/public_html/includes/addons/LSaddons.exportSearchResultAsCSV.php

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2018-08-31 17:28:55 +02:00
<?php
/*******************************************************************************
* Copyright (C) 2007 Easter-eggs
* http://ldapsaisie.labs.libre-entreprise.org
*
* Author: See AUTHORS file in top-level directory.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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.
******************************************************************************/
// Messages d'erreur
// Support
LSerror :: defineError('LS_EXPORTSEARCHRESULTASCSV_SUPPORT_01',
_("ExportSearchResultAsCSV Support : function fputcsv is not available.")
);
LSerror :: defineError('LS_EXPORTSEARCHRESULTASCSV_SUPPORT_02',
_("ExportSearchResultAsCSV Support : The constant %{const} is not defined..")
);
// Autres erreurs
LSerror :: defineError('LS_EXPORTSEARCHRESULTASCSV_00',
_("ExportSearchResultAsCSV Error : An error occured generating CSV outfile memory space.")
);
LSerror :: defineError('LS_EXPORTSEARCHRESULTASCSV_01',
_("ExportSearchResultAsCSV Error : An error occured executing the search.")
);
LSerror :: defineError('LS_EXPORTSEARCHRESULTASCSV_02',
_("ExportSearchResultAsCSV Error : An error occured writing CSV header.")
);
LSerror :: defineError('LS_EXPORTSEARCHRESULTASCSV_03',
_("ExportSearchResultAsCSV Error : An error occured writing a CSV row.")
);
/**
* Check support of exportSearchResultAsCSV
*
* @author Benjamin Renard <brenard@easter-eggs.com>
*
* @retval boolean true if exportSearchResultAsCSV is fully supported, false in other case
*/
function LSaddon_exportSearchResultAsCSV_support() {
$retval=true;
// Check fputcsv function
if (!function_exists('fputcsv')) {
LSerror :: addErrorCode('LS_EXPORTSEARCHRESULTASCSV_SUPPORT_01');
}
$MUST_DEFINE_CONST= array(
'LS_EXPORTSEARCHRESULTASCSV_DELIMITER',
'LS_EXPORTSEARCHRESULTASCSV_ENCLOSURE',
'LS_EXPORTSEARCHRESULTASCSV_ESCAPE_CHAR',
);
foreach($MUST_DEFINE_CONST as $const) {
if ( (!defined($const)) || (constant($const) == "")) {
LSerror :: addErrorCode('LS_EXPORTSEARCHRESULTASCSV_SUPPORT_02',$const);
$retval=false;
}
}
return $retval;
}
/**
* Write LSsearch result as CSV and force download of it.
*
* @param[in] $LSsearch The LSsearch object
*
* @author Benjamin Renard <brenard@easter-eggs.com>
*
* @retval boolean Void if CSV file is successfully generated and upload, false in other case
*/
function exportSearchResultAsCSV($LSsearch) {
$csv = fopen('php://temp/maxmemory:'. (5*1024*1024), 'r+');
if ($csv === false) {
LSerror :: addErrorCode('LS_EXPORTSEARCHRESULTASCSV_00');
return false;
}
if (!$LSsearch -> run()) {
LSerror :: addErrorCode('LS_EXPORTSEARCHRESULTASCSV_01');
return false;
}
$headers=array($LSsearch->label_objectName, 'DN');
if ($LSsearch->displaySubDn) $headers[]='Sub DN';
if ($LSsearch->visibleExtraDisplayedColumns) {
foreach ($LSsearch->visibleExtraDisplayedColumns as $cid => $conf) {
$headers[] = __($conf['label']);
}
}
if (!writeRowInCSV($csv, $headers)) {
LSerror :: addErrorCode('LS_EXPORTSEARCHRESULTASCSV_02');
return false;
}
foreach ($LSsearch -> getSearchEntries() as $e) {
$row = array(
$e -> displayName,
$e -> dn
);
if ($LSsearch->displaySubDn) $row[] = $e -> subDn;
if ($LSsearch->visibleExtraDisplayedColumns)
foreach ($LSsearch->visibleExtraDisplayedColumns as $cid => $conf)
$row[] = $e -> $cid;
if (!writeRowInCSV($csv, $row)) {
LSerror :: addErrorCode('LS_EXPORTSEARCHRESULTASCSV_03');
return false;
}
}
header("Content-disposition: attachment; filename=export.csv");
header("Content-type: text/csv");
rewind($csv);
print stream_get_contents($csv);
@fclose($csv);
exit();
}
/**
* Write CSV row in file
*
* @param[in] $csv The CSV file description reference
* @param[in] $row An array of a CSV row fields to write
*
* @author Benjamin Renard <brenard@easter-eggs.com>
*
* @retval boolean True if CSV row is successfully writed, false in other case
*/
function writeRowInCSV(&$csv, &$row) {
if (!defined('PHP_VERSION_ID') or PHP_VERSION_ID < 50504) {
return (fputcsv($csv, $row, LS_EXPORTSEARCHRESULTASCSV_DELIMITER, LS_EXPORTSEARCHRESULTASCSV_ENCLOSURE) !== false);
}
return (fputcsv($csv, $row, LS_EXPORTSEARCHRESULTASCSV_DELIMITER, LS_EXPORTSEARCHRESULTASCSV_ENCLOSURE, LS_EXPORTSEARCHRESULTASCSV_ESCAPE_CHAR) !== false);
}