/**
* Lists all files in a playspace.
* @param string $playspaceid ID of playspace (two comma-separated numbers)
* @param bool $duplicates If true, actually lists duplicate files
* @return array Array of full names including paths
*/
static function get_attachment_playspace_files($playspaceid, $duplicates)
{
$folder = self::get_attachment_playspace_folder($playspaceid);
if ($duplicates) {
self::delete_attachment_playspace($playspaceid, true);
forum_utils::mkdir("{$folder}/" . self::DUPLICATESFOLDER);
}
$handle = forum_utils::opendir($folder);
$result = array();
while (false !== ($name = readdir($handle))) {
if ($name != '.' && $name != '..' && $name != self::DUPLICATESFOLDER) {
$path = "{$folder}/{$name}";
if ($duplicates) {
$duplicate = "{$folder}/" . self::DUPLICATESFOLDER . "/{$name}";
forum_utils::copy($path, $duplicate);
$result[] = $duplicate;
} else {
$result[] = $path;
}
}
}
closedir($handle);
return $result;
}
/**
* Edits an existing message. The previous version of the message is
* retained for admins to view if needed.
* @param string $subject Subject
* @param string $message Message
* @param int $format Moodle format ID
* @param mixed $deleteattachments Array of names (only) of existing
* attachments to delete, or 'true' to delete all
* @param array $newattachments Additional attachments to add (if any)
* @param bool $setimportant If true, highlight the post
* @param bool $mailnow New value of mailnow flag (ignored if message was already mailed)
* @param int $userid Userid doing the editing (0 = current)
*/
function edit($subject, $message, $format, $deleteattachments = array(), $newattachments = array(), $setimportant = false, $mailnow = false, $userid = 0, $log = true)
{
$now = time();
// Create copy of existing entry ('old version')
$copy = clone $this->postfields;
$copy->subject = is_null($copy->subject) ? null : addslashes($copy->subject);
$copy->message = addslashes($copy->message);
// Copy has oldversion set to 1 and parentpost set to id of real post
$copy->oldversion = 1;
$copy->parentpostid = $copy->id;
unset($copy->id);
// OK, add copy
forum_utils::start_transaction();
$copyid = forum_utils::insert_record('forumng_posts', $copy);
// If there are attachments...
$attachments = $this->get_attachment_names();
$copiedattachments = 0;
if ($attachments) {
// NOTE: The names are confusing. $newfolder is the EXISTING folder
// but it relates to the attachments for the NEW version of the
// post. $oldfolder is a newly-created folder but it relates to
// attachments for the OLD version of the posdt
$newfolder = $this->get_attachment_folder();
$oldfolder = $this->get_attachment_folder($copyid);
// Copy the attachments folder to an 'old' historic one, then
// delete files from the current attachment folder. This used to be
// done with rename but we experienced failures when creating the
// folder with the same name as the one we just renamed away.
forum_utils::mkdir($oldfolder);
$handle = forum_utils::opendir($newfolder);
$keepfolder = false;
while (false !== ($name = readdir($handle))) {
if ($name != '.' && $name != '..') {
$source = "{$newfolder}/{$name}";
// Copy file to the 'old' version folder
forum_utils::copy($source, "{$oldfolder}/{$name}");
// Consider whether it should be deleted from the 'new'
// version folder
if ($deleteattachments === true || $deleteattachments && in_array($name, $deleteattachments)) {
forum_utils::unlink($source);
} else {
$keepfolder = true;
$copiedattachments++;
}
}
}
closedir($handle);
if (!$keepfolder) {
forum_utils::rmdir($newfolder);
}
}
// Update existing entry with new data where it changed
$update = new StdClass();
$gotsubject = false;
if ($subject !== $this->postfields->subject) {
$update->subject = strlen(trim($subject)) == 0 ? null : addslashes($subject);
$gotsubject = true;
}
if ($message !== $this->postfields->message) {
$update->message = addslashes($message);
}
if ($format != $this->postfields->format) {
$update->format = $format;
}
if ($copiedattachments == 0 && count($newattachments) == 0 && $this->postfields->attachments) {
$update->attachments = 0;
} else {
if (count($newattachments) > 0 && !$this->postfields->attachments) {
$update->attachments = 1;
}
}
if ($setimportant) {
$update->important = 1;
} else {
$update->important = 0;
}
if ($this->postfields->mailstate == forum::MAILSTATE_NOT_MAILED && $mailnow) {
$update->mailstate = forum::MAILSTATE_NOW_NOT_MAILED;
} else {
if ($this->postfields->mailstate == forum::MAILSTATE_NOW_NOT_MAILED && !$mailnow) {
$update->mailstate = forum::MAILSTATE_NOT_MAILED;
}
}
$update->modified = $now;
$update->edituserid = forum_utils::get_real_userid($userid);
if (count((array) $update) > 0) {
$update->id = $this->postfields->id;
forum_utils::update_record('forumng_posts', $update);
}
// Add new attachments
foreach ($newattachments as $path) {
$this->add_attachment($path);
}
if ($log) {
$this->log('edit post');
}
// Update in-memory representation
foreach ((array) $update as $name => $value) {
$this->postfields->{$name} = $value === null ? null : stripslashes($value);
}
// If this is the root post, then changing its subject affects
// the discussion subhject
if ($this->is_root_post() && $gotsubject) {
$this->discussion->hack_subject($this->postfields->subject);
}
// Uncache before updating search (want to make sure that the recursive
// update gets latest data)
$this->get_discussion()->uncache();
// Update search index
if (isset($update->message) || $gotsubject) {
// Update for this post
$this->search_update();
// If changing the subject of a root post, update all posts in the
// discussion (ugh)
if ($this->is_root_post() && $gotsubject) {
$this->search_update_children();
}
}
forum_utils::finish_transaction();
}
