static function vpl_get_similfile($f, $vpl, &$HTMLheader, &$filename, &$data)
{
global $DB;
$HTMLheader = '';
$filename = '';
$data = '';
$type = required_param('type' . $f, PARAM_INT);
if ($type == 1) {
$subid = required_param('subid' . $f, PARAM_INT);
$filename = required_param('filename' . $f, PARAM_TEXT);
$subinstance = $DB->get_record('vpl_submissions', array('id' => $subid));
if ($subinstance !== false) {
$vpl = new mod_vpl(false, $subinstance->vpl);
$vpl->require_capability(VPL_SIMILARITY_CAPABILITY);
$submission = new mod_vpl_submission($vpl, $subinstance);
$user = $DB->get_record('user', array('id' => $subinstance->userid));
if ($user) {
$HTMLheader .= '<a href="' . vpl_mod_href('/forms/submissionview.php', 'id', $vpl->get_course_module()->id, 'userid', $subinstance->userid) . '">';
}
$HTMLheader .= s($filename) . ' ';
if ($user) {
$HTMLheader .= '</a>';
$HTMLheader .= $vpl->user_fullname_picture($user);
}
$fg = $submission->get_submitted_fgm();
$data = $fg->getFileData($filename);
\mod_vpl\event\vpl_diff_viewed::log($submission);
}
} elseif ($type == 2) {
//FIXME adapt to moodle 2.x
/*
global $CFG;
$dirname = required_param('dirname'.$f,PARAM_RAW);
$filename = required_param('filename'.$f,PARAM_RAW);
$base=$CFG->dataroot.'/'.$vpl->get_course()->id.'/';
$data = file_get_contents($base.$dirname.'/'.$filename);
$HTMLheader .= $filename.' '.optional_param('username'.$f,'',PARAM_TEXT);
*/
} elseif ($type == 3) {
global $CFG;
$data = '';
$zipname = required_param('zipfile' . $f, PARAM_RAW);
$filename = required_param('filename' . $f, PARAM_RAW);
$HTMLheader .= $filename . ' ' . optional_param('username' . $f, '', PARAM_TEXT);
$ext = strtoupper(pathinfo($zipname, PATHINFO_EXTENSION));
if ($ext != 'ZIP') {
print_error('nozipfile');
}
$zip = new ZipArchive();
$zipfilename = vpl_similarity::get_zip_filepath($zipname);
if ($zip->open($zipfilename)) {
$data = $zip->getFromName($filename);
$zip->close();
}
} else {
print_error('type error');
}
}
