/**
* Common CSV batch export code to start the batch export step and provide the JSON response.
*
* @access private
* @since 8.5
*
* @uses wp_send_json_error()
* @uses is_wp_error()
* @uses wp_send_json_success()
* @uses wp_create_nonce()
* @uses self_admin_url()
*
* @param cnCSV_Batch_Export $export
* @param string $type
* @param int $step
* @param string $nonce
*/
private static function csvBatchExport($export, $type, $step, $nonce)
{
if (!$export->can_export()) {
wp_send_json_error(array('message' => __('You do not have permission to export data.', 'connections')));
}
if (!$export->is_writable) {
wp_send_json_error(array('message' => __('Export location or file not writable.', 'connections')));
}
$result = $export->process($step);
if (is_wp_error($result)) {
wp_send_json_error(array('message' => $result->get_error_message()));
}
$count = $export->getCount();
$exported = $count > $step * $export->limit ? $step * $export->limit : $count;
$remaining = 0 < $count - $exported ? $count - $exported : $count;
$percentage = $export->getPercentageComplete();
if ($result) {
$step += 1;
wp_send_json_success(array('step' => $step, 'count' => $count, 'exported' => $exported, 'remaining' => $remaining, 'percentage' => $percentage, 'nonce' => $nonce));
} elseif (TRUE === $export->is_empty) {
wp_send_json_error(array('message' => __('No data found for export parameters.', 'connections')));
} else {
$args = array('cn-action' => 'download_batch_export', 'type' => $type, 'nonce' => wp_create_nonce('cn-batch-export-download'));
$url = add_query_arg($args, self_admin_url());
wp_send_json_success(array('step' => 'completed', 'url' => $url));
}
}
/**
* Setup the export.
*
* @access public
* @since 8.5.1
*/
public function __construct()
{
@ini_set('memory_limit', apply_filters('cn_csv_import_memory_limit', WP_MAX_MEMORY_LIMIT));
parent::__construct();
$this->initConfig();
}