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https://github.com/EGroupware/egroupware.git
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port csv-export from old eTemplate nextmatch to separate Api\Etemplate\Export class to not have to rely on old eTemplate
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Ralf Becker
parent
7f17404d98
commit
a117e4cf6a
307
api/src/Etemplate/Export.php
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307
api/src/Etemplate/Export.php
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@ -0,0 +1,307 @@
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<?php
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/**
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* EGroupware - CSV export for eT2 nextmatch widget
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package api
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* @subpackage etemplate
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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* @copyright 2002-21 by RalfBecker@outdoor-training.de
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*/
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namespace EGroupware\Api\Etemplate;
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use EGroupware\Api;
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use EGroupware\Api\Storage\Merge;
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/**
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* CSV export for eT2 nextmatch widget
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*
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* Ported from old eTemplate nextmatch widget
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*/
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class Export extends Widget\Nextmatch
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{
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/**
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* Export the list as csv file download
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*
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* @param array $value array('get_rows' => $method), further values see nextmatch widget $query parameter
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* @param string $separator=';'
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* @return boolean false=error, eg. get_rows callback does not exits, true=nothing to export, otherwise we do NOT return!
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*/
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static public function csv(&$value,$separator=';')
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{
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$exportLimitExempted = Merge::is_export_limit_excepted();
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if (!$exportLimitExempted)
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{
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$name = is_object($value['template']) ? $value['template']->name : $value['template'];
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list($app) = explode('.',$name);
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$export_limit = Merge::getExportLimit($app);
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//if (isset($value['export_limit'])) $export_limit = $value['export_limit'];
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}
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$charset = $charset_out = Api\Translation::charset();
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if (isset($value['csv_charset']))
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{
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$charset_out = $value['csv_charset'];
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}
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elseif ($GLOBALS['egw_info']['user']['preferences']['common']['csv_charset'])
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{
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$charset_out = $GLOBALS['egw_info']['user']['preferences']['common']['csv_charset'];
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}
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$backup_start = $value['start'];
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$backup_num_rows = $value['num_rows'];
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$value['start'] = 0;
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$value['num_rows'] = 500;
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$value['csv_export'] = true; // so get_rows method _can_ produce different content or not store state in the session
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do
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{
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$rows = [];
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if (!($total = self::call_get_rows($value,$rows)))
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{
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break; // nothing to export
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}
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if (!$exportLimitExempted && (!Merge::hasExportLimit($export_limit,'ISALLOWED') || (Merge::hasExportLimit($export_limit) && (int)$export_limit < $total)))
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{
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etemplate::set_validation_error($name,lang('You are not allowed to export more than %1 entries!',(int)$export_limit));
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return false;
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}
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if (!isset($value['no_csv_support'])) $value['no_csv_support'] = !is_array($value['csv_fields']);
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//echo "<p>start=$value[start], num_rows=$value[num_rows]: total=$total, count(\$rows)=".count($rows)."</p>\n";
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if (!$value['start']) // send the necessary headers
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{
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// skip empty data row(s) used to adjust to number of header-lines
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foreach($rows as $row0)
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{
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if (is_array($row0) && count($row0) > 1) break;
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}
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$fp = self::csvOpen($row0,$value['csv_fields'],$app,$charset_out,$charset,$separator);
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}
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foreach($rows as $key => $row)
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{
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if (!is_numeric($key) || !$row) continue; // not a real rows
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fwrite($fp,self::csvEncode($row,$value['csv_fields'],true,$rows['sel_options'],$charset_out,$charset,$separator)."\n");
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}
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$value['start'] += $value['num_rows'];
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@set_time_limit(10); // 10 more seconds
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}
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while($total > $value['start']);
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unset($value['csv_export']);
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$value['start'] = $backup_start;
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$value['num_rows'] = $backup_num_rows;
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if ($value['no_csv_support']) // we need to call the get_rows method in case start&num_rows are stored in the session
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{
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self::call_get_rows($value);
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}
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if ($fp)
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{
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fclose($fp);
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exit();
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}
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return true;
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}
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/**
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* Opens the csv output (download) and writes the header line
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*
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* @param array $row0 first row to guess the available fields
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* @param array $fields name=>label or name=>array('lable'=>label,'type'=>type) pairs
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* @param string $app app-name
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* @param string $charset_out=null output charset
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* @param string $charset data charset
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* @param string $separator=';'
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* @return FILE
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*/
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private static function csvOpen($row0, &$fields, $app, $charset_out=null, $charset=null, $separator=';')
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{
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if (!is_array($fields) || !count($fields))
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{
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$fields = self::autodetect_fields($row0,$app);
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}
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Api\Header\Content::type('export.csv','text/comma-separated-values');
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//echo "<pre>";
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if (($fp = fopen('php://output','w')))
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{
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$labels = array();
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foreach($fields as $field => $label)
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{
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if (is_array($label)) $label = $label['label'];
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$labels[$field] = $label ? $label : $field;
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}
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fwrite($fp,self::csvEncode($labels,$fields,false,null,$charset_out,$charset,$separator)."\n");
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}
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return $fp;
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}
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/**
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* CSV encode a single row, including some basic type conversation
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*
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* @param array $data
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* @param array $fields
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* @param boolean $use_type=true
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* @param array $extra_sel_options=null
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* @param string $charset_out=null output charset
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* @param string $charset data charset
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* @param string $separator=';'
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* @return string
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*/
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private static function csvEncode($data, $fields, $use_type=true, array $extra_sel_options=null, $charset_out=null, $charset=null, $separator=';')
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{
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$sel_options = Api\Etemplate::$request->sel_options;
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$out = array();
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foreach($fields as $field => $label)
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{
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$value = (array)$data[$field];
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if ($use_type && is_array($label) && in_array($label['type'],array('select-account','select-cat','date-time','date','select','int','float')))
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{
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foreach($value as $key => $val)
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{
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switch($label['type'])
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{
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case 'select-account':
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if ($val) $value[$key] = Api\Accounts::username($val);
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break;
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case 'select-cat':
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if ($val)
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{
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$cats = array();
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foreach(is_array($val) ? $val : explode(',',$val) as $cat_id)
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{
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$cats[] = $GLOBALS['egw']->categories->id2name($cat_id);
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}
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$value[$key] = implode('; ',$cats);
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}
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break;
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case 'date-time':
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case 'date':
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if ($val)
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{
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try {
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$value[$key] = Api\DateTime::to($val,$label['type'] == 'date' ? true : '');
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}
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catch (\Exception $e) {
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// ignore conversation errors, leave value unchanged (might be a wrongly as date(time) detected field
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}
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}
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break;
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case 'select':
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if (isset($sel_options[$field]))
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{
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if ($val) $value[$key] = self::getLabel($val, $sel_options[$field]);
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}
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elseif(is_array($extra_sel_options) && isset($extra_sel_options[$field]))
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{
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if ($val) $value[$key] = self::getLabel($val, $extra_sel_options[$field]);
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}
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break;
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case 'int': // size: [min],[max],[len],[precission/sprint format]
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case 'float':
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list(,,,$pre) = explode(',',$label['size']);
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if (($label['type'] == 'float' || !is_numeric($pre)) && $val && $pre)
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{
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$val = str_replace(array(' ',','),array('','.'),$val);
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$value[$key] = is_numeric($pre) ? round($value,$pre) : sprintf($pre,$value);
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}
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}
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}
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}
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$value = implode(', ',$value);
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if (strpos($value,$separator) !== false || strpos($value,"\n") !== false || strpos($value,"\r") !== false)
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{
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$value = '"'.str_replace(array('\\', '"',),array('\\\\','""'),$value).'"';
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$value = str_replace("\r\n", "\n", $value); // to avoid early linebreak by Excel
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}
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$out[] = $value;
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}
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$out = implode($separator,$out);
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if ($charset_out && $charset != $charset_out)
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{
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$out = Api\Translation::convert($out,$charset,$charset_out);
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}
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return $out;
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}
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/**
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* Get label for given value
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*
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* @param $value
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* @param array $options either value => label pairs or [['value'=>$value,'label'=>$label], ...]
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* @return string
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*/
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protected static function getLabel($value, array &$options)
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{
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if (!is_array($options)) return;
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if (!isset($options[$value]) && isset($options[0]))
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{
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$options = array_combine(
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array_map(static function($data)
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{
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return $data['value'];
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}, $options),
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array_map(static function($data)
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{
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return $data['label'];
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}, $options)
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);
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}
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return lang($options[$value]);
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}
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/**
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* Try to autodetect the fields from the first data-row and the app-name
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*
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* @param array $row0 first data-row
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* @param string $app
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*/
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private static function autodetect_fields($row0,$app)
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{
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$fields = array_combine(array_keys($row0),array_keys($row0));
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foreach($fields as $name => $label)
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{
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// try to guess field-type from the fieldname
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if (preg_match('/(modified|created|start|end)/',$name) && strpos($name,'by')===false &&
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(!$row0[$name] || is_numeric($row0[$name]))) // only use for real timestamps
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{
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$fields[$name] = array('label' => $label,'type' => 'date-time');
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}
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elseif (preg_match('/(cat_id|category|cat)/',$name))
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{
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$fields[$name] = array('label' => $label,'type' => 'select-cat');
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}
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elseif (preg_match('/(owner|creator|modifier|assigned|by|coordinator|responsible)/',$name))
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{
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$fields[$name] = array('label' => $label,'type' => 'select-account');
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}
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elseif(preg_match('/(jpeg|photo)/',$name))
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{
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unset($fields[$name]);
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}
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}
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if ($app)
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{
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$customfields = Api\Storage\Customfields::get($app);
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if (is_array($customfields))
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{
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foreach($customfields as $name => $data)
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{
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$fields['#'.$name] = array(
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'label' => $data['label'],
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'type' => $data['type'],
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);
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}
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}
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}
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//_debug_array($fields);
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return $fields;
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}
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}
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@ -562,7 +562,7 @@ class Nextmatch extends Etemplate\Widget
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* @param Etemplate\Widget $widget =null instanciated nextmatch widget to let it's widgets transform each row
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* @return int|boolean total items found of false on error ($value['get_rows'] not callable)
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*/
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private static function call_get_rows(array &$value,array &$rows,array &$readonlys=null,$obj=null,$method=null, Etemplate\Widget $widget=null)
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protected static function call_get_rows(array &$value,array &$rows,array &$readonlys=null,$obj=null,$method=null, Etemplate\Widget $widget=null)
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{
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if (is_null($method)) $method = $value['get_rows'];
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