$cmid = required_param('id', PARAM_INT);
$cloneid = optional_param('clone', 0, PARAM_INT);
$file = required_param('file', PARAM_FILE);
$playspaceid = optional_param('attachmentplayspace', 0, PARAM_SEQUENCE);
$postid = optional_param('p', 0, PARAM_INT);
try {
// Security check
if ($postid) {
$post = forum_post::get_from_id($postid, $cloneid);
$post->require_view();
} else {
$forum = forum::get_from_cmid($cmid, $cloneid);
$forum->require_view(forum::NO_GROUPS);
}
if (!$playspaceid) {
$playspaceid = forum::create_attachment_playspace($postid ? $post : null);
}
// Delete the file (if not present, ignore)
$files = forum::get_attachment_playspace_files($playspaceid, false);
foreach ($files as $existing) {
if (basename($existing) == $file) {
forum_utils::unlink($existing);
}
}
// Print out the playspace id in case they don't already have it
header('Content-Type: text/plain');
print $playspaceid;
} catch (forum_exception $e) {
header('Content-Type: text/plain', true, 500);
print $e->getMessage();
}
if (trim($fromform->subject) === '') {
$fromform->subject = null;
}
if (!isset($fromform->mailnow)) {
$fromform->mailnow = false;
}
if (!isset($fromform->setimportant)) {
$fromform->setimportant = false;
}
if (!isset($fromform->format)) {
$fromform->format = 0;
}
$attachments = array();
if (!empty($fromform->attachmentplayspace)) {
$deleteattachments = true;
$attachments = forum::get_attachment_playspace_files($fromform->attachmentplayspace, optional_param('keepplayspace', 0, PARAM_INT));
} else {
// Attachments are saved initially into a temp folder, then
// moved into place
$uploadfolder = $CFG->dataroot . '/moddata/forumng/uploads/' . $USER->id . ',' . mt_rand();
$mform->save_files($uploadfolder);
if (is_dir($uploadfolder)) {
$handle = opendir($uploadfolder);
while (false !== ($item = readdir($handle))) {
if ($item != '.' && $item != '..') {
$attachments[] = $uploadfolder . '/' . $item;
}
}
closedir($handle);
}
// Get list of attachments to delete
