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lib.php
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<?php
// This file is part of Certificate module for Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Certificate module core interaction API
*
* @package mod
* @subpackage certificate
* @copyright Chardelle Busch, Mark Nelson
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once($CFG->dirroot.'/course/lib.php');
require_once($CFG->dirroot.'/grade/lib.php');
require_once($CFG->dirroot.'/grade/querylib.php');
/**
* Add certificate instance.
*
* @param stdClass $certificate
* @return int new certificate instance id
*/
function certificate_add_instance($certificate) {
global $DB;
$certificate->timemodified = time();
if ($returnid = $DB->insert_record('certificate', $certificate)) {
$certificate->id = $returnid;
$event = NULL;
$event->name = $certificate->name;
$event->description = '';
$event->courseid = $certificate->course;
$event->groupid = 0;
$event->userid = 0;
$event->eventtype = 'course';
$event->modulename = 'certificate';
$event->instance = $returnid;
add_event($event);
}
return $returnid;
}
/**
* Update certificate instance.
*
* @param stdClass $certificate
* @return bool true
*/
function certificate_update_instance($certificate) {
global $DB;
$certificate->timemodified = time();
$certificate->id = $certificate->instance;
if ($returnid = $DB->update_record('certificate', $certificate)) {
if ($event->id = $DB->get_field('event', 'id', array('modulename'=> 'certificate', 'instance'=> $certificate->id))) {
$event->name = $certificate->name;
update_event($event);
} else {
$event = NULL;
$event->name = $certificate->name;
$event->description = '';
$event->courseid = $certificate->course;
$event->groupid = 0;
$event->userid = 0;
$event->modulename = 'certificate';
$event->instance = $certificate->id;
add_event($event);
}
} else {
$DB->delete_records('event', array('modulename'=>'certificate', 'instance'=> $certificate->id));
}
return $returnid;
}
/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @param int $id
* @return bool success
*/
function certificate_delete_instance($id) {
global $CFG, $DB, $USER;
if (!$certificate = $DB->get_record('certificate', array('id'=> $id))) {
return false;
}
// Prepare file record object
if (!$cm = get_coursemodule_from_instance('certificate', $id)) {
return false;
}
$result = true;
$DB->delete_records('certificate_issues', array('certificateid'=> $id));
if (!$DB->delete_records('certificate', array('id'=> $id))) {
$result = false;
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$fs = get_file_storage();
$fs->delete_area_files($context->id);
return $result;
}
/**
* This function is used by the reset_course_userdata function in moodlelib.
* This function will remove all posts from the specified certificate
* and clean up any related data.
*
* Written by Jean-Michel Vedrine
*
* @param $data the data submitted from the reset course.
* @return array status array
*/
function certificate_reset_userdata($data) {
global $CFG, $DB;
$componentstr = get_string('modulenameplural', 'certificate');
$status = array();
if (!empty($data->reset_certificate)) {
$certificatessql = "SELECT cert.id " .
"FROM {certificate} cert " .
"WHERE cert.course = ?";
$DB->delete_records_select('certificate_issues', "certificateid IN ($certificatessql)", array($data->courseid));
$status[] = array('component'=>$componentstr, 'item'=>get_string('certificateremoved', 'certificate'), 'error'=>false);
}
// Updating dates - shift may be negative too
if ($data->timeshift) {
shift_course_mod_dates('certificate', array('timeopen', 'timeclose'), $data->timeshift, $data->courseid);
$status[] = array('component'=>$componentstr, 'item'=>get_string('datechanged'), 'error'=>false);
}
return $status;
}
/**
* Implementation of the function for printing the form elements that control
* whether the course reset functionality affects the certificate.
*
* Written by Jean-Michel Vedrine
*
* @param $mform form passed by reference
*/
function certificate_reset_course_form_definition(&$mform) {
$mform->addElement('header', 'certificateheader', get_string('modulenameplural', 'certificate'));
$mform->addElement('advcheckbox', 'reset_certificate', get_string('deletissuedcertificates','certificate'));
}
/**
* Course reset form defaults.
*
* Written by Jean-Michel Vedrine
*
* @param $course
* @return array
*/
function certificate_reset_course_form_defaults($course) {
return array('reset_certificate'=>1);
}
/**
* Returns information about received certificate.
* Used for user activity reports.
*
* @param stdClass $course
* @param stdClass $user
* @param stdClass $mod
* @param stdClass $certificate
* @return object|null
*/
function certificate_user_outline($course, $user, $mod, $certificate) {
global $DB;
if ($issue = $DB->get_record('certificate_issues', array('certificateid' => $certificate->id, 'userid' => $user->id))) {
$result->info = get_string('issued', 'certificate');
$result->time = $issue->certdate;
} else {
$result->info = get_string('notissued', 'certificate');
}
return $result;
}
/**
* Returns information about received certificate.
* Used for user activity reports.
*
* @param stdClass $course
* @param stdClass $user
* @param stdClass $mod
* @param stdClass $page
* @return object|null
*/
function certificate_user_complete($course, $user, $mod, $certificate) {
global $DB;
if ($issue = $DB->get_record('certificate_issues', array('certificateid' => $certificate->id, 'userid' => $user->id))) {
echo $OUTPUT->box_start();
echo get_string('issued', 'certificate').": ";
echo userdate($issue->certdate);
certificate_print_user_files($certificate->id, $user->id);
echo '<br />';
echo $OUTPUT->box_end();
} else {
print_string('notissuedyet', 'certificate');
}
}
/**
* Must return an array of user records (all data) who are participants
* for a given instance of certificate.
*
* @param int $certificateid
* @return object list of participants
*/
function certificate_get_participants($certificateid) {
global $CFG, $DB;
//Get students
$participants = $DB->get_records_sql("SELECT DISTINCT u.id, u.id
FROM {user} u,
{certificate_issues} a
WHERE a.certificateid = '$certificateid' and
u.id = a.userid");
return $participants;
}
/**
* @uses FEATURE_GROUPS
* @uses FEATURE_GROUPINGS
* @uses FEATURE_GROUPMEMBERSONLY
* @uses FEATURE_MOD_INTRO
* @uses FEATURE_COMPLETION_TRACKS_VIEWS
* @uses FEATURE_GRADE_HAS_GRADE
* @uses FEATURE_GRADE_OUTCOMES
* @param string $feature FEATURE_xx constant for requested feature
* @return mixed True if module supports feature, null if doesn't know
*/
function certificate_supports($feature) {
switch ($feature) {
case FEATURE_GROUPS: return true;
case FEATURE_GROUPINGS: return true;
case FEATURE_GROUPMEMBERSONLY: return true;
case FEATURE_MOD_INTRO: return true;
case FEATURE_COMPLETION_TRACKS_VIEWS: return true;
case FEATURE_BACKUP_MOODLE2: return true;
default: return null;
}
}
/**
* Prints the header in view. Used to help prevent FPDF header errors.
*
* @param stdClass $course
* @param stdClass $certificate
* @param stdClass $cm
* @return null
*/
function view_header($course, $certificate, $cm) {
global $CFG, $DB, $PAGE, $OUTPUT;
$PAGE->set_title(format_string($certificate->name));
$PAGE->set_heading(format_string($course->fullname));
echo $OUTPUT->header();
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
if (has_capability('mod/certificate:manage', $context)) {
$numusers = count(certificate_get_issues($certificate->id, 'ci.certdate ASC', '', $cm));
echo '<div class="reportlink"><a href="report.php?id='.$cm->id.'">'.
get_string('viewcertificateviews', 'certificate', $numusers).'</a></div>';
}
if (!empty($certificate->intro)) {
echo $OUTPUT->box(format_text($certificate->intro), 'generalbox', 'intro');
}
}
/**
* Function to be run periodically according to the moodle cron
* TODO:This needs to be done
*/
function certificate_cron () {
return true;
}
/**
* Returns a list of teachers by group
* for sending email alerts to teachers
*
* @param stdClass $certificate
* @param stdClass $user
* @param stdClass $course
* @param stdClass $cm
* @return array
*/
function certificate_get_teachers($certificate, $user, $course, $cm) {
global $USER, $DB;
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$potteachers = get_users_by_capability($context, 'mod/certificate:manage', '', '', '', '', '', '', false, false);
if (empty($potteachers)) {
return array();
}
$teachers = array();
if (groups_get_activity_groupmode($cm, $course) == SEPARATEGROUPS) { // Separate groups are being used
if ($groups = groups_get_all_groups($course->id, $user->id)) { // Try to find all groups
foreach ($groups as $group) {
foreach ($potteachers as $t) {
if ($t->id == $user->id) {
continue; // do not send self
}
if (groups_is_member($group->id, $t->id)) {
$teachers[$t->id] = $t;
}
}
}
} else {
// user not in group, try to find teachers without group
foreach ($potteachers as $t) {
if ($t->id == $USER->id) {
continue; // do not send self
}
if (!groups_get_all_groups($course->id, $t->id)) { //ugly hack
$teachers[$t->id] = $t;
}
}
}
} else {
foreach ($potteachers as $t) {
if ($t->id == $USER->id) {
continue; // do not send self
}
$teachers[$t->id] = $t;
}
}
return $teachers;
}
/**
* Alerts teachers by email of received certificates. First checks
* whether the option to email teachers is set for this certificate.
*
* @param stdClass $course
* @param stdClass $certificate
* @param stdClass $certrecord
* @param stdClass $cm course module
* @return null
*/
function certificate_email_teachers($course, $certificate, $certrecord, $cm) {
global $USER, $CFG, $DB;
if ($certificate->emailteachers == 0) { // No need to do anything
return;
}
$student = $certrecord->studentname;
$user = $DB->get_record('user', array('id'=> $certrecord->userid));
if ($teachers = certificate_get_teachers($certificate, $user, $course, $cm)) {
$strawarded = get_string('awarded', 'certificate');
foreach ($teachers as $teacher) {
unset($info);
$info->student = $student;
$info->course = format_string($course->fullname,true);
$info->certificate = format_string($certificate->name,true);
$info->url = $CFG->wwwroot.'/mod/certificate/report.php?id='.$cm->id;
$from = $student;
$postsubject = $strawarded.': '.$info->student.' -> '.$certificate->name;
$posttext = certificate_email_teachers_text($info);
$posthtml = ($teacher->mailformat == 1) ? certificate_email_teachers_html($info) : '';
@email_to_user($teacher, $from, $postsubject, $posttext, $posthtml); // If it fails, oh well, too bad.
}
}
}
/**
* Alerts others by email of received certificates. First checks
* whether the option to email others is set for this certificate.
* Uses the email_teachers info.
* Code suggested by Eloy Lafuente
*/
function certificate_email_others ($course, $certificate, $certrecord, $cm) {
global $USER, $CFG, $DB;
if ($certificate->emailothers) {
$student = $certrecord->studentname;
$others = explode(',', $certificate->emailothers);
if ($others) {
$strawarded = get_string('awarded', 'certificate');
foreach ($others as $other) {
$other = trim($other);
if (validate_email($other)) {
$destination->email = $other;
unset($info);
$info->student = $student;
$info->course = format_string($course->fullname,true);
$info->certificate = format_string($certificate->name,true);
$info->url = $CFG->wwwroot.'/mod/certificate/report.php?id='.$cm->id;
$from = $student;
$postsubject = $strawarded.': '.$info->student.' -> '.$certificate->name;
$posttext = certificate_email_teachers_text($info);
$posthtml = certificate_email_teachers_html($info);
@email_to_user($destination, $from, $postsubject, $posttext, $posthtml); // If it fails, oh well, too bad.
}
}
}
}
}
/**
* Creates the text content for emails to teachers -- needs to be finished with cron
*
* @param $info object The info used by the 'emailteachermail' language string
* @return string
*/
function certificate_email_teachers_text($info) {
$posttext = get_string('emailteachermail', 'certificate', $info)."\n";
return $posttext;
}
/**
* Creates the html content for emails to teachers
*
* @param $info object The info used by the 'emailteachermailhtml' language string
* @return string
*/
function certificate_email_teachers_html($info) {
$posthtml = '<font face="sans-serif">';
$posthtml .= '<p>'.get_string('emailteachermailhtml', 'certificate', $info).'</p>';
$posthtml .= '</font>';
return $posthtml;
}
/**
* Sends the student their issued certificate from moddata as an email
* attachment.
*
* @param stdClass $user
* @param stdClass $course
* @param stdClass $certificate
* @param stdClass $certrecord
* @param stdClass $context
*/
function certificate_email_students($user, $course, $certificate, $certrecord, $context) {
global $DB, $USER;
if ($certrecord->mailed > 0) {
return;
}
// Get teachers
if ($users = get_users_by_capability($context, 'moodle/course:update', 'u.*', 'u.id ASC',
'', '', '', '', false, true)) {
$users = sort_by_roleassignment_authority($users, $context);
$teacher = array_shift($users);
}
// If we haven't found a teacher yet, look for a non-editing teacher in this course.
if (empty($teacher) && $users = get_users_by_capability($context, 'moodle/course:update', 'u.*', 'u.id ASC',
'', '', '', '', false, true)) {
$users = sort_by_roleassignment_authority($users, $context);
$teacher = array_shift($users);
}
$info->username = fullname($user);
$info->certificate = format_string($certificate->name,true);
$info->course = format_string($course->fullname,true);
$from = fullname($teacher);
$subject = $info->course.': '.$info->certificate;
$message = get_string('emailstudenttext', 'certificate', $info)."\n";
// Make the HTML version more XHTML happy (&)
$messagehtml = text_to_html(get_string('emailstudenttext', 'certificate', $info));
$user->mailformat = 0; // Always send HTML version as well
$filename = clean_filename($certificate->name.'.pdf');
// Get hashed pathname
$fs = get_file_storage();
$component = 'mod_certificate';
$filearea = 'issue';
$filepath = '/';
$files = $fs->get_area_files($context->id, $component, $filearea, $certificate->id);
foreach ($files as $f) {
$filepathname = $f->get_contenthash();
}
$attachment = 'filedir/'.certificate_path_from_hash($filepathname).'/'.$filepathname;
$attachname = $filename;
$DB->set_field('certificate_issues','mailed','1',array('certificateid'=> $certificate->id, 'userid'=> $user->id));
return email_to_user($user, $from, $subject, $message, $messagehtml, $attachment, $attachname);
}
/**
* Retrieve certificate path from hash
*
* @param array $contenthash
* @return string the path
*/
function certificate_path_from_hash($contenthash) {
$l1 = $contenthash[0].$contenthash[1];
$l2 = $contenthash[2].$contenthash[3];
return "$l1/$l2";
}
/**
* Serves certificate issues and other files.
*
* @param stdClass $course
* @param stdClass $cm
* @param stdClass $context
* @param string $filearea
* @param array $args
* @param bool $forcedownload
* @return bool false if file not found, does not return if found - just send the file
*/
function certificate_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload) {
global $CFG, $DB, $USER;
if ($context->contextlevel != CONTEXT_MODULE) {
return false;
}
if (!$certificate = $DB->get_record('certificate', array('id'=>$cm->instance))) {
return false;
}
require_login($course, false, $cm);
require_once($CFG->libdir.'/filelib.php');
if ($filearea === 'issue') {
$certrecord = (int)array_shift($args);
if (!$certrecord = $DB->get_record('certificate_issues', array('id'=>$certrecord))) {
return false;
}
if ($USER->id != $certrecord->userid and !has_capability('mod/certificate:manage', $context)) {
return false;
}
$relativepath = implode('/', $args);
$fullpath = "/{$context->id}/mod_certificate/issue/$certrecord->id/$relativepath";
$fs = get_file_storage();
if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
return false;
}
send_stored_file($file, 0, 0, true); // download MUST be forced - security!
}
}
/**
* This function returns success or failure of file save
*
* @global object
* @param string $pdf is the string contents of the pdf
* @param int $certificateid the certificate id
* @param string $filename pdf filename
* @param int $contextid context id
* @return bool
*/
function certificate_save_pdf($pdf, $certificateid, $filename, $contextid) {
global $DB, $USER;
if (empty($certificateid)) {
return false;
}
if (empty($pdf)) {
return true; // Nothing to do
}
$fs = get_file_storage();
// Prepare file record object
$component = 'mod_certificate';
$filearea = 'issue';
$filepath = '/';
$fileinfo = array(
'contextid' => $contextid, // ID of context
'component' => $component, // usually = table name
'filearea' => $filearea, // usually = table name
'itemid' => $certificateid, // usually = ID of row in table
'filepath' => $filepath, // any path beginning and ending in /
'filename' => $filename, // any filename
'mimetype' => 'application/pdf', // any filename
'userid' => $USER->id);
// Check for file first
if (!$fs->file_exists($contextid, $component, $filearea, $certificateid, $filepath, $filename)) {
$fs->create_file_from_string($fileinfo, $pdf);
}
return true;
}
/**
* Produces a list of links to the issued certificates. Used for report.
*
* @param stdClass $certificate
* @param int $userid optional id of the user. If 0 then $USER->id is used.
* @param stdClass $context
* @return boolean, true if success printing
*/
function certificate_print_user_files($certificate, $userid=0, $context) {
global $CFG, $DB, $OUTPUT;
$output = '';
$sql = "SELECT MAX(timecreated) AS latest " .
"FROM {certificate_issues} " .
"WHERE userid = '$userid' " .
"AND certificateid = '$certificate->id'";
if ($record = $DB->get_record_sql($sql)) {
$latest = $record->latest;
}
$certrecord = $DB->get_record('certificate_issues', array('certificateid'=>$certificate->id, 'userid'=>$userid, 'timecreated'=>$latest));
$fs = get_file_storage();
$browser = get_file_browser();
$component = 'mod_certificate';
$filearea = 'issue';
$files = $fs->get_area_files($context, $component, $filearea, $certrecord->id);
foreach ($files as $file) {
$filename = $file->get_filename();
$mimetype = $file->get_mimetype();
$link = file_encode_url($CFG->wwwroot.'/pluginfile.php', '/'.$context.'/mod_certificate/issue/'.$certrecord->id.'/'.$filename);
$output = '<img src="'.$OUTPUT->pix_url(file_mimetype_icon($file->get_mimetype())).'" height="16" width="16" alt="'.$file->get_mimetype().'" /> '.
'<a href="'.$link.'" >'.s($filename).'</a>';
}
$output .= '<br />';
$output = '<div class="files">'.$output.'</div>';
return $output;
}
/**
* Returns a list of issued certificates - sorted for report.
*
* @param stdClass $certificate
* @param string $sort the sort order
* @param boolean $groupmode are we in group mode ?
* @param stdClass $cm the course module
*/
function certificate_get_issues($certificate, $sort="ci.certdate ASC", $groupmode, $cm) {
global $CFG, $DB;
// get all users that can manage this certificate to exclude them from the report.
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$certmanagers = get_users_by_capability($context, 'mod/certificate:manage', 'u.id');
// Get all the users that have certificates issued, first, create subsql
// used in the main sql query, this is used so that we don't get an error
// about the same u.id being returned multiple times due to being in the
// certificate issues table multiple times.
$subsql = "SELECT MAX(ci2.timecreated) as timecreated " .
"FROM {certificate_issues} ci2 " .
"WHERE ci2.certificateid = '$certificate' " .
"AND ci2.certdate > 0 " .
"AND ci2.userid = u.id";
$users = $DB->get_records_sql("SELECT u.*, ci.code, ci.timecreated, ci.certdate, ci.studentname, ci.reportgrade
FROM {user} u
INNER JOIN {certificate_issues} ci
ON u.id = ci.userid
WHERE u.deleted = 0
AND ci.certificateid = '$certificate'
AND ci.certdate > 0
AND ci.timecreated = ($subsql)
ORDER BY {$sort}");
// now exclude all the certmanagers.
foreach ($users as $id => $user) {
if (isset($certmanagers[$id])) { //exclude certmanagers.
unset($users[$id]);
}
}
// if groupmembersonly used, remove users who are not in any group
if (!empty($users) and !empty($CFG->enablegroupings) and $cm->groupmembersonly) {
if ($groupingusers = groups_get_grouping_members($cm->groupingid, 'u.id', 'u.id')) {
$users = array_intersect($users, array_keys($groupingusers));
}
}
if (!$groupmode) {
return $users;
} else {
$currentgroup = groups_get_activity_group($cm);
if ($currentgroup) {
$groupusers = groups_get_members($currentgroup, 'u.*');
if (empty($groupusers)) {
return array();
}
foreach($groupusers as $id => $gpuser) {
if (!isset($users[$id])) {
//remove this user as it isn't in the group!
unset($users[$id]);
}
}
}
return $users;
}
}
/**
* Returns a list of previously issued certificates--used for reissue.
*
* @param int $certificateid
* @param int $userid
* @return int the number of attempts
*/
function certificate_get_attempts($certificateid, $userid) {
global $DB;
if ($issues = $DB->get_records('certificate_issues', array('certificateid'=>$certificateid, 'userid'=>$userid))) {
return $issues;
} else {
return 0;
}
}
/**
* Prints a table of previously issued certificates--used for reissue.
*
* @param int $certificate id
* @param int $userid
* @param null
*/
function certificate_print_attempts($certificateid, $userid) {
global $OUTPUT, $DB;
if (!$certificate = $DB->get_record('certificate', array('id'=> $certificateid))) {
return false;
}
$attempts = certificate_get_attempts($certificateid, $userid);
echo $OUTPUT->heading(get_string('summaryofattempts', 'certificate'));
// Prepare table header
$table = new html_table();
$table->class = 'generaltable';
$table->head = array(get_string('issued', 'certificate'));
$table->align = array('left');
$table->attributes = array("style" => "width:20%; margin:auto");
$gradecolumn = $certificate->printgrade;
if ($gradecolumn) {
$table->head[] = get_string('grade');
$table->align[] = 'center';
$table->size[] = '';
}
// One row for each attempt
foreach ($attempts as $attempt) {
$row = array();
// prepare strings for time taken and date completed
$datecompleted = '';
if ($attempt->certdate > 0) {
// attempt has finished
$datecompleted = userdate($attempt->certdate);
}
$row[] = $datecompleted;
// Ouside the if because we may be showing feedback but not grades.
if ($gradecolumn) {
$attemptgrade = $attempt->reportgrade;
$row[] = $attemptgrade;
} else {
$row[] = '';
}
$table->data[$attempt->id] = $row;
}
echo html_writer::table($table);
}
/**
* Inserts preliminary user data when a certificate is viewed.
* Prevents form from issuing a certificate upon browser refresh.
*
* @param stdClass $course
* @param stdClass $user
* @param stdClass $certificate
* @return null
*/
function certificate_prepare_issue($course, $user, $certificate) {
global $DB;
if ($certificate->reissuecert == 0) {
if ($DB->record_exists('certificate_issues', array('certificateid'=>$certificate->id, 'userid'=>$user->id))) {
return;
}
} else if ($DB->record_exists('certificate_issues', array('certificateid'=>$certificate->id, 'userid'=>$user->id, 'certdate'=>'0'))) {
return;
}
$timecreated = time();
$code = certificate_generate_code();
$studentname = fullname($user);
$newrec = new Object();
$newrec->certificateid = $certificate->id;
$newrec->userid = $user->id;
$newrec->timecreated = $timecreated;
$newrec->studentname = $studentname;
$newrec->code = $code;
$newrec->classname = $course->fullname;
$DB->insert_record('certificate_issues', $newrec, false);
}
/**
* Inserts final user data when a certificate is created.
*
* @param stdClass $course
* @param stdClass $certificate
* @param stdClass $certrecord
* @param stdClass $cm
*/
function certificate_issue($course, $certificate, $certrecord, $cm) {
global $USER, $DB;
$sql = 'SELECT MAX(timecreated) AS latest FROM {certificate_issues} ' .
'WHERE userid = '.$USER->id.' and certificateid = '.$certificate->id.'';
if ($record = $DB->get_record_sql($sql)) {
$latest = $record->latest;
}
$certrecord = $DB->get_record('certificate_issues', array('certificateid'=>$certificate->id, 'userid'=>$USER->id, 'timecreated'=>$latest));
if ($certificate->printgrade) {
if ($certificate->printgrade == 1) {
$grade = certificate_print_course_grade($course);
} else if ($certificate->printgrade > 1) {
$grade = certificate_print_mod_grade($course, $certificate->printgrade);
}
if ($certificate->gradefmt == 1) {
$certrecord->reportgrade = $grade->percentage;
}
if ($certificate->gradefmt == 2) {
$certrecord->reportgrade = $grade->points;
}
if ($certificate->gradefmt == 3) {
$certrecord->reportgrade = $grade->letter;
}
}
$date = certificate_generate_date($certificate, $course);
$certrecord->certdate = $date;
$DB->update_record('certificate_issues', $certrecord);
certificate_email_teachers($course, $certificate, $certrecord, $cm);
certificate_email_others($course, $certificate, $certrecord, $cm);
}
/**
* Get all the modules
*
* @return array
*/
function certificate_get_mods() {
global $COURSE, $CFG, $DB;
$strtopic = get_string("topic");
$strweek = get_string("week");
$strsection = get_string("section");
// Collect modules data
get_all_mods($COURSE->id, $mods, $modnames, $modnamesplural, $modnamesused);
$modules = array();
$sections = get_all_sections($COURSE->id); // Sort everything the same as the course
for ($i=0; $i<=$COURSE->numsections; $i++) {
// should always be true
if (isset($sections[$i])) {
$section = $sections[$i];
if ($section->sequence) {
switch ($COURSE->format) {
case "topics":
$sectionlabel = $strtopic;
break;
case "weeks":
$sectionlabel = $strweek;
break;
default:
$sectionlabel = $strsection;
}
$sectionmods = explode(",", $section->sequence);
foreach ($sectionmods as $sectionmod) {
if (empty($mods[$sectionmod])) {
continue;
}
$mod = $mods[$sectionmod];
$mod->courseid = $COURSE->id;
$instance = $DB->get_record($mod->modname, array('id' => $mod->instance));
if ($grade_items = grade_get_grade_items_for_activity($mod)) {
$mod_item = grade_get_grades($COURSE->id, 'mod', $mod->modname, $mod->instance);
$item = reset($mod_item->items);
if (isset($item->grademax)){
$modules[$mod->id] = $sectionlabel.' '.$section->section.' : '.$instance->name;
}
}
}
}
}
}
return $modules;
}
/**
* Search through all the modules for grade data for mod_form.
*
* @return array
*/
function certificate_get_mod_grades($modules) {
if (!empty($modules)) {
$gradeoptions['0'] = get_string('no');
$gradeoptions['1'] = get_string('coursegrade', 'certificate');
} else {
$gradeoptions['0'] = get_string('nogrades', 'certificate');
}
return $gradeoptions;
}
/**
* Search through all the modules for grade dates for mod_form.
*
* @return array
*/
function certificate_get_date() {
$dateoptions['0'] = get_string('no');
$dateoptions['1'] = get_string('issueddate', 'certificate');
$dateoptions['2'] = get_string('completiondate', 'certificate');
return $dateoptions;
}
/**
* Get the course outcomes for for mod_form print outcome.
*
* @return array
*/
function certificate_get_outcomes() {
global $COURSE, $DB;
// get all outcomes in course
$grade_seq = new grade_tree($COURSE->id, false, true, '', false);
if ($grade_items = $grade_seq->items) {
// list of item for menu
$printoutcome = array();
foreach ($grade_items as $grade_item) {
if (isset($grade_item->outcomeid)){
$itemmodule = $grade_item->itemmodule;
$printoutcome[$grade_item->id] = $itemmodule.': '.$grade_item->get_name();
}
}
}
if (isset($printoutcome)) {
$outcomeoptions['0'] = get_string('no');
foreach ($printoutcome as $key => $value) {
$outcomeoptions[$key] = $value;