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locallib.php
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<?php
// This file is part of 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/>.
/**
* This file contains the definition for the library class for Mahara submission plugin
*
* @package assignsubmission_maharaws
* @copyright 2020 Catalyst IT
* @copyright 2012 Lancaster University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir.'/oauthlib.php');
/**
* library class for Mahara submission plugin extending submission plugin base class
*
* @package assignsubmission_maharaws
* @copyright 2012 Lancaster University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class assign_submission_maharaws extends assign_submission_plugin {
/**
* We've selected the page/collection, but we haven't locked it or issued a special access token.
*/
const STATUS_SELECTED = 'selected';
/**
* We've locked the page in Mahara and issued an access token.
*/
const STATUS_SUBMITTED = 'submitted';
/**
* We locked and then unlocked the page in Mahara, which means we probably still have a valid access token for it.
*/
const STATUS_RELEASED = 'released';
/**
* Get the name of the Mahara submission plugin
*
* @return string
*/
public function get_name() {
return get_string('mahara', 'assignsubmission_maharaws');
}
/**
* Get Mahara submission information from the database
*
* @param int $submissionid
* @return mixed
*/
private function get_mahara_submission($submissionid) {
global $DB;
return $DB->get_record('assignsubmission_maharaws', array('submission' => $submissionid));
}
/**
* Get the settings form for Mahara submission plugin
*
* @param MoodleQuickForm $mform The form to add elements to
* @return void
*/
public function get_settings(MoodleQuickForm $mform) {
global $CFG;
require_once($CFG->dirroot . '/mod/assign/submission/maharaws/lib.php');
$config = get_config('assignsubmission_maharaws');
if (!empty($config->force_global_credentials)) {
if (empty($config->url) || empty($config->key) || empty($config->secret)) {
return;
}
// Static elemment doesn't allow hideif so we use a group to do this (MDL-66251).
$group = [];
$group[] = $mform->createElement('static', 'assignsubmission_maharaws_label',
get_string('gclabel', 'assignsubmission_maharaws'),
get_string('forceglobalcredentialswarning', 'assignsubmission_maharaws'));
$mform->addGroup($group, 'maharawslabelgroup', '', ' ', false);
$mform->hideIf('maharawslabelgroup', 'assignsubmission_maharaws_enabled', 'notchecked');
}
if (empty($config->force_global_credentials)) {
$mform->addElement(
'text',
'assignsubmission_maharaws_url',
get_string('url', 'assignsubmission_maharaws'),
array('maxlength' => 255, 'size' => 50)
);
$mform->setType('assignsubmission_maharaws_url', PARAM_URL);
if (!empty($this->get_config_default('url'))) {
$mform->setDefault('assignsubmission_maharaws_url', $this->get_config_default('url'));
}
$mform->addHelpButton('assignsubmission_maharaws_url', 'url', 'assignsubmission_maharaws');
$mform->hideIf('assignsubmission_maharaws_url', 'assignsubmission_maharaws_enabled', 'notchecked');
if (!$this->can_configure()) {
$mform->freeze(['assignsubmission_maharaws_url']);
}
if ($this->can_configure()) {
$mform->addElement(
'text',
'assignsubmission_maharaws_key',
get_string('key', 'assignsubmission_maharaws'),
array('maxlength' => 255, 'size' => 50)
);
$mform->setType('assignsubmission_maharaws_key', PARAM_ALPHANUM);
if (!empty($this->get_config_default('key'))) {
$mform->setDefault('assignsubmission_maharaws_key', $this->get_config_default('key'));
}
$mform->addHelpButton('assignsubmission_maharaws_key', 'key', 'assignsubmission_maharaws');
$mform->hideIf('assignsubmission_maharaws_key', 'assignsubmission_maharaws_enabled', 'notchecked');
$mform->addElement(
'password',
'assignsubmission_maharaws_secret',
get_string('secret', 'assignsubmission_maharaws'),
array('maxlength' => 255, 'size' => 50)
);
$mform->setType('assignsubmission_maharaws_secret', PARAM_ALPHANUM);
if (!empty($this->get_config_default('secret'))) {
$mform->setDefault('assignsubmission_maharaws_secret', $this->get_config_default('secret'));
}
$mform->addHelpButton('assignsubmission_maharaws_secret', 'secret', 'assignsubmission_maharaws');
$mform->hideIf('assignsubmission_maharaws_secret', 'assignsubmission_maharaws_enabled', 'notchecked');
}
}
$locked = $this->get_config('lock');
if ($locked === false) {
// No setting for this instance, so use the sitewide default.
$locked = get_config('assignsubmission_maharaws', 'lock');
}
// Menu to select whether to lock Mahara pages or not.
$locksettings = array(
ASSIGNSUBMISSION_MAHARAWS_SETTING_DONTLOCK => new lang_string('no'),
ASSIGNSUBMISSION_MAHARAWS_SETTING_KEEPLOCKED => new lang_string('yeskeeplocked', 'assignsubmission_maharaws'),
ASSIGNSUBMISSION_MAHARAWS_SETTING_UNLOCK => new lang_string('yesunlock', 'assignsubmission_maharaws')
);
if ($this->can_configure()) {
$mform->addElement(
'select',
'assignsubmission_maharaws_lockpages',
get_string('lockpages', 'assignsubmission_maharaws'),
$locksettings
);
$mform->setDefault('assignsubmission_maharaws_lockpages', $locked);
$mform->addHelpButton('assignsubmission_maharaws_lockpages', 'lockpages', 'assignsubmission_maharaws');
$mform->hideIf('assignsubmission_maharaws_lockpages', 'assignsubmission_maharaws_enabled', 'notchecked');
}
$mform->addElement(
'selectyesno',
'assignsubmission_maharaws_archiveonrelease',
get_string('archiveonrelease', 'assignsubmission_maharaws')
);
if (!empty($this->get_config('archiveonrelease'))) {
$mform->setDefault('assignsubmission_maharaws_archiveonrelease', $this->get_config('archiveonrelease'));
} else {
$mform->setDefault('assignsubmission_maharaws_archiveonrelease', 0);
}
$mform->hideIf('assignsubmission_maharaws_archiveonrelease', 'assignsubmission_maharaws_enabled', 'notchecked');
$mform->addHelpButton('assignsubmission_maharaws_archiveonrelease', 'archiveonrelease', 'assignsubmission_maharaws');
$mform->disabledIf(
'assignsubmission_maharaws_archiveonrelease',
'assignsubmissioqn_maharaws_lockpages',
'eq',
ASSIGNSUBMISSION_MAHARAWS_SETTING_DONTLOCK
);
}
/**
* Save the settings for Mahara plugin
*
* @param stdClass $data
* @return bool
*/
public function save_settings(stdClass $data) {
global $CFG;
require_once($CFG->dirroot . '/mod/assign/submission/maharaws/lib.php');
$config = get_config('assignsubmission_maharaws');
if (!empty($config->force_global_credentials)) {
if (empty($config->url) || empty($config->key) || empty($config->secret)) {
$this->set_error(
get_string('forceglobalcredentialserror', 'assignsubmission_maharaws'));
return false;
}
}
if ($this->can_configure()) {
if ($data->assignsubmission_maharaws_lockpages == ASSIGNSUBMISSION_MAHARAWS_SETTING_DONTLOCK) {
$data->assignsubmission_maharaws_archiveonrelease = 0;
}
if (empty(get_config('assignsubmission_maharaws', 'force_global_credentials'))) {
$this->set_config('url', $data->assignsubmission_maharaws_url);
$this->set_config('key', $data->assignsubmission_maharaws_key);
$this->set_config('secret', $data->assignsubmission_maharaws_secret);
}
$this->set_config('lock', $data->assignsubmission_maharaws_lockpages);
} else {
// Set to existing config or default value for users that cannot see lock element.
$locked = $this->get_config('lock');
if ($locked === false) {
$locked = get_config('assignsubmission_maharaws', 'lock');
}
$this->set_config('lock', $locked);
}
$this->set_config('debug', false);
$this->set_config('remoteuser', false);
$this->set_config('username_attribute', 'email');
$this->set_config('archiveonrelease', $data->assignsubmission_maharaws_archiveonrelease);
// Test Mahara connection.
try {
// Skip webservice call if running unit tests.
if ((defined('PHPUNIT_TEST') || PHPUNIT_TEST)) {
return true;
}
$data = $this->webservice_call("mahara_user_get_extended_context", array());
$funcs = array();
$required = array(
"mahara_user_get_extended_context",
"mahara_submission_get_views_for_user",
"mahara_submission_submit_view_for_assessment",
"mahara_submission_release_submitted_view",
"module_lti_launch",
);
foreach ($data['functions'] as $v) {
$funcs[] = $v['function'];
}
foreach ($required as $f) {
if (!in_array($f, $funcs)) {
$this->set_error(
get_string('errorinvalidurl', 'assignsubmission_maharaws', 'missing functions: '.implode(", ", $required))
."\n\n".
get_string('invalidurlhelp', 'assignsubmission_maharaws')
);
return false;
}
}
} catch (Exception $e) {
$this->set_error(
get_string('errorinvalidurl', 'assignsubmission_maharaws', $e->getMessage())
."\n".
get_string('invalidurlhelp', 'assignsubmission_maharaws'));
return false;
}
return true;
}
/**
* Check if the current user can configure the plugin in the provided context.
*
* @param \context|null $context Context to check permissions in. If not set, then current page context will be used.
*
* @return bool
*/
public function can_configure(context $context = null) {
global $PAGE;
if (empty($context)) {
$context = $PAGE->context;
}
return has_capability('assignsubmission/maharaws:configure', $context);
}
/**
* Add elements to user submission form
*
* @param string $function
* @param array $params
* @param string $method
*
* @return mixed
*/
public function webservice_call($function, $params, $method = "POST") {
global $CFG;
$url = $this->get_config_default('url');
$key = $this->get_config_default('key');
$secret = $this->get_config_default('secret');
if (empty($url)) {
throw new Exception("The Mahara URL is not set correctly.");
}
if (empty($key)) {
throw new Exception("The Mahara Key is not set correctly.");
}
if (empty($secret)) {
throw new Exception("The Mahara secret is not set correctly.");
}
$endpoint = $url .
(preg_match('/\/$/', $url) ? '' : '/') .
'webservice/rest/server.php';
$args = array(
'oauth_consumer_key' => $key,
'oauth_consumer_secret' => $secret,
'oauth_callback' => 'about:blank',
'api_root' => $endpoint,
);
$client = new \assignsubmission_maharaws\mahara_oauth($args);
if (!empty($CFG->disablesslchecks)) {
$options = array('CURLOPT_SSL_VERIFYPEER' => 0, 'CURLOPT_SSL_VERIFYHOST' => 0);
$client->setup_oauth_http_options($options);
}
// Have to flatten nested parameters into JSON as OAuth can't handle it.
foreach ($params as $k => $v) {
if (is_array($v)) {
$params[$k] = json_encode($v);
}
}
$content = $client->request($method, $endpoint,
array_merge($params, array('wsfunction' => $function, 'alt' => 'json')),
null,
$secret);
$data = json_decode($content, true);
if (empty($data)) {
return $data;
}
if (isset($data['error']) && $data['error'] == true ) {
throw new Exception($data['error_rendered']);
}
return $data;
}
/**
* Add elements to user submission form
*
* @param mixed $submission stdClass|null
* @param MoodleQuickForm $mform
* @param stdClass $data
* @param int $userid
* @return bool
*/
public function get_form_elements_for_user($submission, MoodleQuickForm $mform, stdClass $data, $userid) {
global $DB, $PAGE, $CFG;
$PAGE->requires->js('/mod/assign/submission/maharaws/js/popup.js');
// Getting submission.
if ($submission) {
$maharasubmission = $this->get_mahara_submission($submission->id);
}
if (!empty($maharasubmission)) {
$selectedid = $maharasubmission->viewid;
$selectediscollection = $maharasubmission->iscollection;
} else {
$selectedid = 0;
$selectediscollection = null;
}
// Getting views (pages) user have in linked site.
$views = false;
try {
$views = $this->get_views();
} catch (moodle_exception $e) {
$error = $e->getMessage();
}
if (!$views) {
$views = array(
'data' => array(),
'collections' => array('data' => array()),
'ids' => array(),
);
}
$viewids = $views['ids'];
list($insql, $inparams) = $DB->get_in_or_equal($viewids, SQL_PARAMS_NAMED, 'param', true, true);
$sql = "SELECT mws.id, us.* from (
select value as url,
assignment
FROM {assign_plugin_config}
WHERE
plugin = 'maharaws'
AND subtype = 'assignsubmission'
AND name = 'url'
) AS us JOIN {assignsubmission_maharaws} as mws on us.assignment = mws.assignment where url = :url
AND viewstatus = 'submitted' AND viewid {$insql}";
$params = [
'url' => $this->get_config_default('url')
];
$params += $inparams;
$alreadyselected = $DB->get_records_sql($sql, $params);
if (is_array($alreadyselected)) {
$alreadyselected = array_column($alreadyselected, 'viewid', 'viewid');
} else {
$alreadyselected = array();
}
// Filter out collection views, special views, and already-submitted views (except the current one).
foreach ($views['data'] as $i => $view) {
if (
$view['collid']
|| $view['type'] != 'portfolio'
|| (
(
array_key_exists($view['id'], $alreadyselected) ||
$view['submittedtime']
)
&& !($view['id'] == $selectedid && $selectediscollection == false)
)
) {
unset($views['ids'][$i]);
unset($views['data'][$i]);
$views['count']--;
}
}
// Filter out empty or submitted collections.
foreach ($views['collections']['data'] as $i => $coll) {
if (
(
array_key_exists('numviews', $coll)
&& $coll['numviews'] == 0
) || (
($coll['submittedtime']
||
array_key_exists($coll['id'], $alreadyselected)
)
&& !($coll['id'] == $selectedid && $selectediscollection == true)
)
) {
unset($views['collections']['data'][$i]);
$views['collections']['count']--;
}
}
$viewids = $views['ids'];
// Prepare the header.
try {
$remotehost = (object) $this->webservice_call("mahara_user_get_extended_context", array());
} catch (Exception $e) {
debugging("Remote host webservice call failed: " . $e->getCode() . ":" . $e->getMessage());
throw new moodle_exception('errorwsrequest', 'assignsubmission_maharaws', '', $e->getMessage());
}
$remotehost->jumpurl = $CFG->wwwroot . '/mod/assign/submission/maharaws/launch.php?id='
. $PAGE->cm->id . '&url=' . urlencode($remotehost->siteurl) . '&sesskey=' . sesskey();
$remotehost->name = $remotehost->sitename;
// See if any of views are already in use, we will remove them from select.
if (!empty($viewids) || !empty($views['collections']['data'])) {
$mform->addElement(
'static',
'',
$remotehost->name,
get_string('selectmaharaview', 'assignsubmission_maharaws', $remotehost)
);
// Add "none selected" option.
$mform->addElement('radio', 'viewid', '', get_string('noneselected', 'assignsubmission_maharaws'), 'none');
$mform->setType('viewid', PARAM_ALPHANUM);
$mform->setDefault('viewid', 'none');
if (!empty($views['data'])) {
$mform->addElement('static', '',
get_string('viewsby', 'assignsubmission_maharaws', $views['displayname'])
);
foreach ($views['data'] as $view) {
// If the view (page) hasn't already been submitted, add it to the options for selection.
if ($view['submissionoriginal'] == 0) {
$viewurl = "/view/view.php?id=" . $view['id'];
$anchor = $this->get_preview_url($view['title'], $viewurl, strip_tags($view['description']));
$mform->addElement('radio', 'viewid', '', $anchor, 'v' . $view['id']);
}
if ($maharasubmission && $view['id'] == $maharasubmission->viewid) {
$currentpagesubmitted = $mform->createElement('static', 'currentsubmission',
get_string('currentsubmitted', 'assignsubmission_maharaws', 'page'), $view['displaytitle']);
}
}
if (!empty($currentpagesubmitted)) {
$mform->addElement($currentpagesubmitted);
}
}
if (!empty($views['collections']['data'])) {
$mform->addElement('static', 'collection_by',
get_string('collectionsby', 'assignsubmission_maharaws', $views['displayname'])
);
foreach ($views['collections']['data'] as $coll) {
// If the collection hasn't already been submitted, add it to the options for selection.
if ($coll['submissionoriginal'] == 0) {
$anchor = $this->get_preview_url($coll['name'], $coll['url'], strip_tags($coll['description']));
$mform->addElement('radio', 'viewid', '', $anchor, 'c' . $coll['id']);
}
if ($maharasubmission && $coll['id'] == $maharasubmission->viewid) {
$currentcollsubmitted = $mform->createElement('static', 'currentsubmission',
get_string('currentsubmitted', 'assignsubmission_maharaws', 'collection'), $coll['name']);
}
}
if (!empty($currentcollsubmitted)) {
$mform->addElement($currentcollsubmitted);
}
}
if (!empty($maharasubmission)) {
if ($maharasubmission->iscollection) {
$prefix = 'c';
} else {
$prefix = 'v';
}
$mform->setDefault('viewid', $prefix . $maharasubmission->viewid);
}
return true;
} else {
$mform->addElement(
'static',
'',
$remotehost->name,
get_string('noviewscreated', 'assignsubmission_maharaws', $remotehost)
);
$mform->addElement('hidden', 'viewid', 'none');
$mform->setType('viewid', PARAM_ALPHANUM);
return true;
}
}
/**
* Retrieve user views from Mahara portfolio.
*
* @param string $query Search query
* @return mixed
*/
public function get_views($query = '') {
global $USER, $DB, $CFG, $PAGE;
require_once($CFG->dirroot . '/mod/assign/submission/maharaws/lib.php');
$username = (!empty($CFG->mahara_test_user) ? $CFG->mahara_test_user : $USER->{$this->get_config('username_attribute')});
$field = $this->get_mahara_idfield();
try {
$result = $this->webservice_call("mahara_submission_get_views_for_user",
array('users' => array( array($field => $username,
'query' => $query))));
if (!empty($result)) {
$result = array_pop($result);
$result['views']['ids'] = array_map('intval', explode(',', $result['views']['ids']));
// Overwrite url with full URL.
foreach ($result['views']['data'] as $key => $value) {
$result['views']['data'][$key]['url'] = $result['views']['data'][$key]['fullurl'];
}
foreach ($result['views']['collections']['data'] as $key => $value) {
$result['views']['collections']['data'][$key]['url'] = $result['views']['collections']['data'][$key]['fullurl'];
}
} else {
$result['views'] = null;
}
} catch (Exception $e) {
throw new moodle_exception('errorwsrequest', 'assignsubmission_maharaws', '', $e->getMessage());
}
return $result['views'];
}
/**
* Submit view or collection for assessment in Mahara. This marks the view/collection
* as "submitted", creates an access token, and locks the view/collection from editing
* or further submissions in Mahara.
*
* @param stdClass $submission The submission record (used for verification)
* @param int $viewid Id of the view or collection to submit
* @param boolean $iscollection True if it's a collection, False if not
* @param ?int $viewownermoodleid Id of the view ower's Moodle user record
*
* @return mixed|null
*/
public function submit_view($submission, $viewid, $iscollection, $viewownermoodleid = null) {
global $USER, $DB, $CFG;
// Verify that it's not already submitted to another Mahara assignment in this Moodle site.
// We can't do this on the Mahara side, because Mahara only knows the remote site's wwwroot.
$sql = "SELECT mws.id,
us.*
FROM (SELECT value AS url,
assignment
FROM {assign_plugin_config}
WHERE plugin = 'maharaws'
AND subtype = 'assignsubmission'
AND NAME = 'url') us
JOIN {assignsubmission_maharaws} mws
ON us.assignment = mws.assignment
WHERE url = :url
AND viewstatus = 'submitted'
AND viewid = :viewid
AND 'iscollection' = :iscollection ";
$params = [
'url' => $this->get_config_default('url'),
'viewid' => $viewid,
'iscollection' => $iscollection
];
$alreadyselected = $DB->get_records_sql($sql, $params);
if (!empty($alreadyselected)) {
throw new moodle_exception('errorvieworcollectionalreadysubmitted', 'assignsubmission_maharaws');
}
if (!$viewownermoodleid) {
$username = $USER->{$this->get_config('username_attribute')};
} else {
$username = $DB->get_field('user', $this->get_config('username_attribute'), array('id' => $viewownermoodleid));
}
require_once($CFG->dirroot . '/mod/assign/submission/maharaws/lib.php');
$username = (!empty($CFG->mahara_test_user) ? $CFG->mahara_test_user : $username);
$field = $this->get_mahara_idfield();
try {
$result = $this->webservice_call(
'mahara_submission_submit_view_for_assessment',
array('views' =>
array(
array($field => $username,
'viewid' => $viewid,
'iscollection' => $iscollection,
'lock' => true,
'apilevel' => 'moodle-assignsubmission-mahara:3',
'wwwroot' => $CFG->wwwroot,
),
)
)
);
$result = array_pop($result);
} catch (Exception $e) {
debugging("Submit view for assessment webservice call failed: ".$e->getCode().":".$e->getMessage());
throw new moodle_exception('errorwsrequest', 'assignsubmission_maharaws', '', $e->getMessage());
}
return $result;
}
/**
* Release submitted view for assessment.
*
* @param int $viewid View or Collection ID
* @param array $viewoutcomes Outcomes data
* @param boolean $iscollection Whether the $viewid is a view or a collection
* @return mixed
*/
public function release_submitted_view($viewid, $viewoutcomes, $iscollection = false) {
global $USER, $CFG;
try {
$username = (!empty($CFG->mahara_test_user) ?
$CFG->mahara_test_user :
$USER->{$this->get_config('username_attribute')});
$field = $this->get_mahara_idfield();
$result = $this->webservice_call(
'mahara_submission_release_submitted_view',
array('views' => array( array($field => $username,
'viewid' => $viewid,
'iscollection' => $iscollection,
'viewoutcomes' => implode(',', $viewoutcomes),
'archiveonrelease' => $this->get_config('archiveonrelease'),
'externalid' => $this->assignment->get_course_module()->id))
));
} catch (Exception $e) {
debugging("Submit view for assessment webservice call failed: ".$e->getCode().":".$e->getMessage());
throw new moodle_exception('errorwsrequest', 'assignsubmission_maharaws', '', $e->getMessage());
}
return $result;
}
/**
* Save submission data to the database
*
* @param stdClass $submission
* @param stdClass $data
* @return bool
*/
public function save(stdClass $submission, stdClass $data) {
global $USER, $DB;
// Because the drop-down menu contains collections & views, we make the id
// start with "v" or "c" to indicate the type, e.g. v30, c100.
if ($data->viewid == 'none') {
$data->viewid = null;
} else {
$iscollection = ($data->viewid[0] == 'c');
$data->viewid = substr($data->viewid, 1);
}
$maharasubmission = $this->get_mahara_submission($submission->id);
if ($submission->status === ASSIGN_SUBMISSION_STATUS_DRAFT) {
// Draft. All we need to do is just save or update submitted view data.
if ($data->viewid === null) {
// They selected "(nothing selected)", so remove their Mahara selection.
return $DB->delete_records(
'assignsubmission_maharaws',
array('submission' => $submission->id)
);
}
if (!$views = $this->get_views()) {
// Wrap recorded error in language string and return false.
$this->set_error(get_string('errorrequest', 'assignsubmission_maharaws', $this->get_error()));
return false;
}
if ($iscollection) {
$foundcoll = false;
if (!is_array($views['collections']['data'])) {
return false;
}
foreach ($views['collections']['data'] as $coll) {
if ($coll['id'] == $data->viewid) {
$foundcoll = true;
$url = $coll['url'];
$title = clean_text($coll['name']);
break;
}
}
// The submitted collection id isn't one of the allowed options for this user.
if (!$foundcoll) {
return false;
}
} else {
$keys = array_flip($views['ids']);
// The submitted view id isn't one of the allowed options for this user.
if (!array_key_exists($data->viewid, $keys)) {
return false;
}
$viewdata = $views['data'][$keys[$data->viewid]];
$url = $viewdata['url'];
$title = clean_text($viewdata['title']);
}
if ($maharasubmission) {
$maharasubmission->viewid = $data->viewid;
$maharasubmission->viewurl = $url;
$maharasubmission->viewtitle = $title;
$maharasubmission->iscollection = (int) $iscollection;
$maharasubmission->viewstatus = self::STATUS_SELECTED;
return $DB->update_record('assignsubmission_maharaws', $maharasubmission);
} else {
$maharasubmission = new stdClass();
$maharasubmission->viewid = $data->viewid;
$maharasubmission->viewurl = $url;
$maharasubmission->viewtitle = $title;
$maharasubmission->iscollection = (int) $iscollection;
$maharasubmission->viewstatus = self::STATUS_SELECTED;
$maharasubmission->submission = $submission->id;
$maharasubmission->assignment = $this->assignment->get_instance()->id;
return $DB->insert_record('assignsubmission_maharaws', $maharasubmission) > 0;
}
} else {
// This is not the draft, but the actual submission. Process it properly.
// If viewid is null, it means they selected no page.
if ($data->viewid === null) {
if ($maharasubmission) {
// Unlock the previously selected page.
if ($maharasubmission->viewstatus == self::STATUS_SUBMITTED) {
$response = $this->release_submitted_view(
$maharasubmission->viewid,
array(),
$maharasubmission->iscollection
);
if ($response === false) {
throw new moodle_exception('errorrequest', 'assignsubmission_maharaws', '', $this->get_error());
}
}
// Delete the record of the previously selected page from our submission, and exit.
return $DB->delete_records('assignsubmission_maharaws', array('submission' => $submission->id));
} else {
// No previously selected page to clear.
return true;
}
}
// Lock submission on mahara side.
if (!$response = $this->submit_view($submission, $data->viewid, $iscollection, $submission->userid)) {
throw new moodle_exception('errorrequest', 'assignsubmission_maharaws', '', $this->get_error());
}
// If we're not locking user pages, then immediately release the page. This will leave it unlocked,
// but leave the access code in place.
// TODO: Replace this hack with something more robust. It's an oversight and a security hole, that the
// access code remains in place in Mahara when you release the page via XML-RPC.
if (!$this->get_config('lock')) {
$apilevel = $this->process_apilevel($response['apilevel']);
if ($apilevel >= 3 ) {
$this->release_submitted_view($response['copyid'], array(), $iscollection);
} else {
$this->release_submitted_view($response['viewid'], array(), $iscollection);
}
$status = self::STATUS_RELEASED;
} else {
$status = self::STATUS_SUBMITTED;
}
$params = array(
'context' => context_module::instance($this->assignment->get_course_module()->id),
'courseid' => $this->assignment->get_course()->id,
'objectid' => $submission->id,
'other' => array(
'pathnamehashes' => array(),
'content' => ''
)
);
if (!empty($submission->userid) && ($submission->userid != $USER->id)) {
$params['relateduserid'] = $submission->userid;
}
$event = \assignsubmission_maharaws\event\assessable_uploaded::create($params);
$event->trigger();
$groupname = null;
$groupid = 0;
// Get the group name as other fields are not transcribed in the logs and this information is important.
if (empty($submission->userid) && !empty($submission->groupid)) {
$groupname = $DB->get_field('groups', 'name', array('id' => $submission->groupid), MUST_EXIST);
$groupid = $submission->groupid;
} else {
$params['relateduserid'] = $submission->userid;
}
// Unset the objectid and other field from params for use in submission events.
unset($params['objectid']);
unset($params['other']);
$params['other'] = array(
'submissionid' => $submission->id,
'submissionattempt' => $submission->attemptnumber,
'submissionstatus' => $submission->status,
'groupid' => $groupid,
'groupname' => $groupname
);
$apilevel = $this->process_apilevel($response['apilevel']);
if ($maharasubmission) {
// If we are updating previous submission, release previous submission first (if it's locked).
if ($maharasubmission->viewid != $data->viewid && $maharasubmission->viewstatus == self::STATUS_SUBMITTED) {
$result = $this->release_submitted_view($maharasubmission->viewid, array(), $maharasubmission->iscollection);
if ($result === false) {
throw new moodle_exception('errorrequest', 'assignsubmission_maharaws', '', $this->get_error());
}
}
// Update submission data.
if ( $apilevel >= 3 ) {
$maharasubmission->viewid = $response['copyid'];
} else {
$maharasubmission->viewid = $response['viewid'];
}
$maharasubmission->viewurl = $response['url'];
$maharasubmission->viewtitle = clean_text($response['title']);
$maharasubmission->viewstatus = $status;
$maharasubmission->iscollection = (int) $iscollection;
$params['objectid'] = $maharasubmission->id;
$updatestatus = $DB->update_record('assignsubmission_maharaws', $maharasubmission);
$event = \assignsubmission_maharaws\event\submission_updated::create($params);
$event->set_assign($this->assignment);
$event->trigger();
return $updatestatus;
} else {
if ($data->viewid === null) {
return $DB->delete_records('assignsubmission_maharaws', array('submission' => $submission->id));
} else {
// We are dealing with the new submission.
$maharasubmission = new stdClass();
if ( $apilevel >= 3 ) {
$maharasubmission->viewid = $response['copyid'];
} else {
$maharasubmission->viewid = $response['viewid'];
}
$maharasubmission->viewurl = $response['url'];
$maharasubmission->viewtitle = clean_text($response['title']);
$maharasubmission->viewstatus = $status;
$maharasubmission->iscollection = (int) $iscollection;
$maharasubmission->submission = $submission->id;
$maharasubmission->assignment = $this->assignment->get_instance()->id;
$maharasubmission->id = $DB->insert_record('assignsubmission_maharaws', $maharasubmission);
$params['objectid'] = $maharasubmission->id;
$event = \assignsubmission_maharaws\event\submission_created::create($params);
$event->set_assign($this->assignment);
$event->trigger();
return $maharasubmission->id > 0;
}
}
}
}
/**
* Check if the submission plugin has all the required data to allow the work
* to be submitted for grading
* @param stdClass $submission the assign_submission record being submitted.
* @return bool|string 'true' if OK to proceed with submission, otherwise a
* a message to display to the user
*/
public function precheck_submission($submission) {
$maharasubmission = $this->get_mahara_submission($submission->id);
if (!$maharasubmission) {
return get_string('emptysubmission', 'assignsubmission_maharaws');
}
return true;
}
/**
* Process submission for grading
*
* @param stdClass $submission
* @return void
*/
public function submit_for_grading($submission) {
global $DB;
// If the submission has been locked in the gradebook, then it has already been submitted on the Mahara side.
$flags = $this->assignment->get_user_flags($submission->userid, false);
if ($flags && $flags->locked == 1) {
return;
}
$maharasubmission = $this->get_mahara_submission($submission->id);
// Lock view on Mahara side as it has been submitted for assessment.
if (!$response = $this->submit_view($submission, $maharasubmission->viewid, $maharasubmission->iscollection,
$submission->userid)) {
throw new moodle_exception('errorrequest', 'assignsubmission_maharaws', '', $this->get_error());
}
$apilevel = $this->process_apilevel($response['apilevel']);
if ( $apilevel >= 3 ) {
$maharasubmission->viewid = $response['copyid'];
} else {
$maharasubmission->viewid = $response['viewid'];
}
$maharasubmission->viewurl = $response['url'];
$maharasubmission->viewstatus = self::STATUS_SUBMITTED;
if (!$this->get_config('lock')) {
if ($this->release_submitted_view($maharasubmission->viewid, array(), $maharasubmission->iscollection) === false) {
throw new moodle_exception('errorrequest', 'assignsubmission_maharaws', '', $this->get_error());
}
$maharasubmission->viewstatus = self::STATUS_RELEASED;
}
$DB->update_record('assignsubmission_maharaws', $maharasubmission);
}
/**
* Process locking
*
* @param false|\stdClass $submission
* @param \stdClass|null $flags
*/
public function lock($submission, stdClass $flags = null) {
global $DB;
$maharasubmission = $this->get_mahara_submission($submission->id);
// If we're not using page locking, then don't need to do anything special here.
// If no page is selected, then we don't need to do anything special here.
// If it's in submitted status, then it has already been locked and we don't need to do anything.
if (
!$this->get_config('lock')
|| !$maharasubmission
|| !$maharasubmission->viewid
|| $maharasubmission->viewstatus == self::STATUS_SUBMITTED
) {
return;
}
// Lock view on Mahara side.
$response = $this->submit_view(