// Create links
if ($result && !empty($preview_attachments)) {
global $DB;
load_class('links/model/_linkcomment.class.php', 'LinkComment');
$order = 1;
$FileCache =& get_FileCache();
$attachments = explode(',', $preview_attachments);
$final_attachments = explode(',', $checked_attachments);
$LinkOwner = new LinkComment($Comment);
$attachment_dir = NULL;
// No need transaction here, because if one file can't be attached, the rest should be still attached
foreach ($attachments as $file_ID) {
// create links between comment and attached files
if (in_array($file_ID, $final_attachments)) {
// attachment checkbox was checked, create the link
$LinkOwner->add_link($file_ID, 'aftermore', $order, false);
$order++;
} else {
// attachment checkbox was not checked, remove unused uploaded file
$unused_File = $FileCache->get_by_ID($file_ID, false);
if ($unused_File) {
if (empty($checked_attachments) && empty($attachment_dir)) {
// None of the previously attached file was checked to be attached
$attachment_dir = dirname($unused_File->get_full_path()) . '/';
}
$unused_File->unlink();
}
}
}
if (empty($checked_attachments) && !empty($attachment_dir)) {
// None of the previously attached files were finally attached
