<?php
$plugin = elgg_extract('entity', $vars);
$separator = csv_exporter_get_separator();
echo elgg_view_input('text', ['label' => elgg_echo('csv_exporter:settings:separator'), 'name' => 'params[separator]', 'value' => $separator, 'maxlength' => 1]);
echo elgg_view_input('text', ['label' => elgg_echo('csv_exporter:settings:retention'), 'help' => elgg_echo('csv_exporter:settings:retention:description'), 'name' => 'params[retention]', 'value' => $plugin->retention]);
/**
* Process the export to generate the downloadable file
*
* @return void
*/
public function process()
{
if ($this->isProcessing()) {
return;
}
// lock this entity in order to prevent duplicate processing
$this->lockProcessing();
// get content type/subtype
$type = $this->getFormData('type');
$subtype = $this->getFormData('subtype');
// get possible exportable values for this content type/subtype
$available_values = csv_exporter_get_exportable_values($type, $subtype, true);
// get configured export fields
$exportable_values = $this->getFormData('exportable_values');
if (empty($exportable_values)) {
$this->unlockProcessing();
return;
}
// prepare for exporting
$fo = $this->getFileObject();
$seperator = csv_exporter_get_separator();
// make csv header row
$headers = [];
foreach ($exportable_values as $export_value) {
$headers[] = array_search($export_value, $available_values);
}
// create the new file with the headers
$fh = $fo->open('write');
fputcsv($fh, $headers, $seperator);
// append the rest of the data
$fh = $fo->open('append');
// set entity options
$entity_options = ['type' => $type, 'subtype' => $subtype, 'limit' => false];
// limit users to members of the site
if ($type == 'user') {
$entity_options['relationship'] = 'member_of_site';
$entity_options['relationship_guid'] = elgg_get_site_entity()->getGUID();
$entity_options['inverse_relationship'] = true;
}
// add time constraints
$this->addTimeContraints($entity_options);
// this could take a while
set_time_limit(0);
$entities = new ElggBatch('elgg_get_entities_from_relationship', $entity_options);
/* @var $entity ElggEntity */
foreach ($entities as $entity) {
$values = [];
// params for hook
$params = ['type' => $type, 'subtype' => $subtype, 'entity' => $entity];
foreach ($exportable_values as $export_value) {
$params['exportable_value'] = $export_value;
$value = elgg_trigger_plugin_hook('export_value', 'csv_exporter', $params);
if ($value === null) {
$value = $entity->{$export_value};
}
if (is_array($value)) {
$value = implode(', ', $value);
}
$values[] = $value;
}
// write row
fputcsv($fh, $values, $seperator);
}
// cleanup
$this->complete();
$this->unlockProcessing();
$fo->close();
}
