/**
* Measure the current course module
*
* @return bool success or not
*/
public function measure() {
global $DB;
if (!moss_enabled($this->moss->cmid)) {
return false;
}
$mosses = $DB->get_records_select('moss', 'tag = ? AND tag != 0', array($this->moss->tag));
foreach ($mosses as $moss) {
if ($moss->cmid == $this->moss->cmid) {
// current moss must be extracted lastly
// to overwrite other files belong to the same person
continue;
}
$this->extract_files($moss);
}
$this->extract_files();
if (!$this->call_moss()) {
return false;
}
$this->moss->timemeasured = time();
$DB->update_record('moss', $this->moss);
return true;
}
/**
* Save files in $eventdata to moss file area
*
* @param object $eventdata
*/
function moss_save_files_from_event($eventdata)
{
global $DB;
$result = true;
if (!moss_enabled($eventdata->cmid)) {
return $result;
}
if (!empty($eventdata->file) && empty($eventdata->files)) {
//single assignment type passes a single file
$eventdata->files[] = $eventdata->file;
}
if (isset($eventdata->files)) {
moss_save_storedfiles($eventdata->files, $eventdata->cmid, $eventdata->userid);
}
return $result;
}
/**
* hook to allow plagiarism specific information to be displayed beside a submission
*
* @param array $linkarraycontains all relevant information for the plugin to generate a link
* @return string
*/
public function get_links($linkarray)
{
global $DB, $OUTPUT;
$link = '';
if (!moss_enabled($linkarray['cmid'])) {
return $link;
}
$sql = 'SELECT r.*
FROM {plagiarism_moss_results} r
LEFT JOIN {plagiarism_moss_matchedfiles} f ON r.id = f.result
WHERE f.contenthash = :contenthash AND r.userid = :userid AND r.moss = :mossid ';
if (!has_capability('plagiarism/moss:viewunconfirmed', get_context_instance(CONTEXT_MODULE, $linkarray['cmid']))) {
$sql .= 'AND r.confirmed = 1 ';
}
$sql .= 'ORDER BY r.rank ASC';
$params = array('userid' => $linkarray['userid'], 'contenthash' => $linkarray['file']->get_contenthash(), 'mossid' => $DB->get_field('plagiarism_moss', 'id', array('cmid' => $linkarray['cmid'])));
$results = $DB->get_records_sql($sql, $params);
if (!empty($results)) {
$result = current($results);
$text = $result->percentage . '%' . "({$result->linesmatched})";
$icon = $OUTPUT->pix_icon('i/completion-manual-n', get_string('unconfirmed', 'plagiarism_moss'));
foreach ($results as $r) {
if ($r->confirmed) {
$icon = $OUTPUT->pix_icon('i/completion-manual-y', get_string('confirmed', 'plagiarism_moss'));
break;
}
}
$text .= $icon;
$result->count = count($results);
$title = get_string('resultlinktitle', 'plagiarism_moss', $result);
$params = array('id' => $linkarray['cmid'], 'user' => $linkarray['userid']);
$url = new moodle_url('/plagiarism/moss/view.php', $params);
$link = html_writer::link($url, $text, array('title' => $title));
}
return $link;
}
