/**
* Serves seplment submissions and other files.
*
* @param mixed $course course or id of the course
* @param mixed $cm course module or id of the course module
* @param context $context
* @param string $filearea
* @param array $args
* @param bool $forcedownload
* @return bool false if file not found, does not return if found - just send the file
*/
function seplsubmission_onlinetext_pluginfile($course, $cm, context $context, $filearea, $args, $forcedownload)
{
global $DB, $CFG;
if ($context->contextlevel != CONTEXT_MODULE) {
return false;
}
require_login($course, false, $cm);
$itemid = (int) array_shift($args);
$record = $DB->get_record('sepl_submission', array('id' => $itemid), 'userid, seplment, groupid', MUST_EXIST);
$userid = $record->userid;
$groupid = $record->groupid;
require_once $CFG->dirroot . '/mod/sepl/locallib.php';
$sepl = new sepl($context, $cm, $course);
if ($sepl->get_instance()->id != $record->seplment) {
return false;
}
if ($sepl->get_instance()->teamsubmission && !$sepl->can_view_group_submission($groupid)) {
return false;
}
if (!$sepl->get_instance()->teamsubmission && !$sepl->can_view_submission($userid)) {
return false;
}
$relativepath = implode('/', $args);
$fullpath = "/{$context->id}/seplsubmission_onlinetext/{$filearea}/{$itemid}/{$relativepath}";
$fs = get_file_storage();
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) || $file->is_directory()) {
return false;
}
// Download MUST be forced - security!
send_stored_file($file, 0, 0, true);
}
/**
* Permission control method for submission plugin ---- required method for AJAXmoodle based comment API
*
* @param stdClass $options
* @return array
*/
function seplsubmission_comments_comment_permissions(stdClass $options)
{
global $USER, $CFG, $DB;
if ($options->commentarea != 'submission_comments' && $options->commentarea != 'submission_comments_upgrade') {
throw new comment_exception('invalidcommentarea');
}
if (!($submission = $DB->get_record('sepl_submission', array('id' => $options->itemid)))) {
throw new comment_exception('invalidcommentitemid');
}
$context = $options->context;
require_once $CFG->dirroot . '/mod/sepl/locallib.php';
$seplment = new sepl($context, null, null);
if ($seplment->get_instance()->id != $submission->seplment) {
throw new comment_exception('invalidcontext');
}
if ($seplment->get_instance()->teamsubmission && !$seplment->can_view_group_submission($submission->groupid)) {
return array('post' => false, 'view' => false);
}
if (!$seplment->get_instance()->teamsubmission && !$seplment->can_view_submission($submission->userid)) {
return array('post' => false, 'view' => false);
}
return array('post' => true, 'view' => true);
}
