/**
* Retrieves ajax parameters for content and update or delete
* user data depending on params.
*
* @throws \coding_exception
*/
public static function handle_ajax()
{
global $DB;
// Query String Parameters.
$content_id = required_param('content_id', PARAM_INT);
$data_id = required_param('data_type', PARAM_RAW);
$sub_content_id = required_param('sub_content_id', PARAM_INT);
// Form Data.
$data = optional_param('data', null, PARAM_RAW);
$pre_load = optional_param('preload', null, PARAM_INT);
$invalidate = optional_param('invalidate', null, PARAM_INT);
if ($content_id === null || $data_id === null || $sub_content_id === null) {
\H5PCore::ajaxError(get_string('missingparameters', 'hvp'));
exit;
// Missing parameters.
}
// Saving data
if ($data !== NULL && $pre_load !== NULL && $invalidate !== NULL) {
// Validate token
if (!\H5PCore::validToken('contentuserdata', required_param('token', PARAM_RAW))) {
\H5PCore::ajaxError(get_string('invalidtoken', 'hvp'));
exit;
}
// Use context id if supplied
$context_id = optional_param('contextId', null, PARAM_INT);
if ($context_id) {
$context = \context::instance_by_id($context_id);
} else {
// Otherwise try to find it from content id
$context = \context_course::instance($DB->get_field('hvp', 'course', array('id' => $content_id)));
}
// Check permissions
if (!has_capability('mod/hvp:savecontentuserdata', $context)) {
\H5PCore::ajaxError(get_string('nopermissiontosavecontentuserdata', 'hvp'));
http_response_code(403);
exit;
}
if ($data === '0') {
// Delete user data.
self::delete_user_data($content_id, $sub_content_id, $data_id);
} else {
// Save user data.
self::save_user_data($content_id, $sub_content_id, $data_id, $pre_load, $invalidate, $data);
}
\H5PCore::ajaxSuccess();
} else {
// Fetch user data
$user_data = self::get_user_data($content_id, $sub_content_id, $data_id);
if ($user_data === false) {
// Did not find data, return nothing
\H5PCore::ajaxSuccess();
} else {
// Found data, return encoded data
\H5PCore::ajaxSuccess($user_data->data);
}
}
exit;
}
public static function handle_ajax()
{
global $DB, $USER;
if (!\H5PCore::validToken('result', required_param('token', PARAM_RAW))) {
\H5PCore::ajaxError(get_string('invalidtoken', 'hvp'));
exit;
}
// Content parameters
$content_id = required_param('contentId', PARAM_INT);
$score = required_param('score', PARAM_INT);
$max_score = required_param('maxScore', PARAM_INT);
// Time values not usable by gradebook
// $opened = required_param('opened', PARAM_INT);
// $finished = required_param('finished', PARAM_INT);
// Get hvp data from contentId
$hvp = $DB->get_record('hvp', array('id' => $content_id));
// Check permissions
$context = \context_course::instance($hvp->course);
if (!has_capability('mod/hvp:saveresults', $context)) {
\H5PCore::ajaxError(get_string('nopermissiontosaveresult', 'hvp'));
http_response_code(403);
exit;
}
// Create grade object and set grades
$grade = (object) array('userid' => $USER->id);
// Get course module id from db, required for grade item
$cm_id_sql = "SELECT cm.id, h.name\n FROM {course_modules} cm, {hvp} h, {modules} m\n WHERE cm.instance = h.id AND h.id = ? AND m.name = 'hvp' AND m.id = cm.module";
$result = $DB->get_record_sql($cm_id_sql, array($content_id));
// Set grade using Gradebook API
$hvp->cmidnumber = $result->id;
$hvp->name = $result->name;
$hvp->rawgrade = $score;
$hvp->rawgrademax = $max_score;
hvp_grade_item_update($hvp, $grade);
// Get content info for log
$content = $DB->get_record_sql("SELECT c.name AS title, l.machine_name AS name, l.major_version, l.minor_version\n FROM {hvp} c\n JOIN {hvp_libraries} l ON l.id = c.main_library_id\n WHERE c.id = ?", array($content_id));
// Log view
new \mod_hvp\event('results', 'set', $content_id, $content->title, $content->name, $content->major_version . '.' . $content->minor_version);
\H5PCore::ajaxSuccess();
exit;
}
*
* Parameters:
* int contentId
* int contextId
*/
/*
* Handle file upload through the editor.
*
* Parameters:
* int contentId
* int contextId
*/
case 'files':
global $DB;
// TODO: Check permissions
if (!\H5PCore::validToken('editorajax', required_param('token', PARAM_RAW))) {
\H5PCore::ajaxError(get_string('invalidtoken', 'hvp'));
exit;
}
// Get Content ID and Context ID for upload
$contentid = required_param('contentId', PARAM_INT);
$contextid = required_param('contextId', PARAM_INT);
// Create file
$file = new H5peditorFile(\mod_hvp\framework::instance('interface'));
if (!$file->isLoaded()) {
H5PCore::ajaxError(get_string('filenotfound', 'hvp'));
break;
}
// Make sure file is valid
if ($file->validate()) {
$core = \mod_hvp\framework::instance('core');
}
// Make sure file is valid
if ($file->validate()) {
$core = \mod_hvp\framework::instance('core');
// Save the valid file
$file_id = $core->fs->saveFile($file, $contentid, $contextid);
// Track temporary files for later cleanup
$DB->insert_record_raw('hvp_tmpfiles', array('id' => $file_id), false, false, true);
}
$file->printResult();
break;
case 'logxapievent':
global $CFG;
// Trigger a Moodle log event for each xAPI statement
// that is dispatched by the H5P (hvp) object.
if (!\H5PCore::validToken('logxapievent', required_param('token', PARAM_RAW))) {
\H5PCore::ajaxError(get_string('invalidtoken', 'hvp'));
exit;
}
$hvpid = optional_param('hvpid', null, PARAM_INT);
$courseid = optional_param('courseid', null, PARAM_INT);
$jsonxapistatement = optional_param('xapistatement', null, PARAM_RAW);
$xapistatement = json_decode($jsonxapistatement, true);
$context = \context_module::instance($hvpid);
$event = \mod_hvp\event\hvp_xapi::create(array('objectid' => $hvpid, 'context' => $context, 'other' => array('statement' => $xapistatement['data']['statement']), 'courseid' => $courseid));
$event->trigger();
// Debugging...
if (!empty($CFG->debug) and $CFG->debug >= DEBUG_DEVELOPER) {
$msg = "xAPI '" . $xapistatement['data']['statement']['verb']['display']['en-US'] . "' statement dispatched";
\H5PCore::ajaxSuccess($msg);
http_response_code(200);
/**
* Handle content upgrade progress
*
* @method hvp_content_upgrade_progress
* @param int $library_id
* @return object An object including the json content for the H5P instances
* (maximum 40) that should be upgraded.
*/
function hvp_content_upgrade_progress($libraryid)
{
global $DB;
$tolibraryid = filter_input(INPUT_POST, 'libraryId');
// Verify security token.
if (!\H5PCore::validToken('contentupgrade', required_param('token', PARAM_RAW))) {
print get_string('upgradeinvalidtoken', 'hvp');
return;
}
// Get the library we're upgrading to.
$tolibrary = $DB->get_record('hvp_libraries', array('id' => $tolibraryid));
if (!$tolibrary) {
print get_string('upgradelibrarymissing', 'hvp');
return;
}
// Prepare response.
$out = new stdClass();
$out->params = array();
$out->token = \H5PCore::createToken('contentupgrade');
// Prepare our interface.
$interface = \mod_hvp\framework::instance('interface');
// Get updated params.
$params = filter_input(INPUT_POST, 'params');
if ($params !== null) {
// Update params.
$params = json_decode($params);
foreach ($params as $id => $param) {
$DB->update_record('hvp', (object) array('id' => $id, 'main_library_id' => $tolibrary->id, 'json_content' => $param, 'filtered' => ''));
// Log content upgrade successful
new \mod_hvp\event('content', 'upgrade', $id, $DB->get_field_sql("SELECT name FROM {hvp} WHERE id = ?", array($id)), $tolibrary->machine_name, $tolibrary->major_version . '.' . $tolibrary->minor_version);
}
}
// Get number of contents for this library.
$out->left = $interface->getNumContent($libraryid);
if ($out->left) {
// Find the 40 first contents using this library version and add to params.
$results = $DB->get_records_sql("SELECT id, json_content as params\n FROM {hvp}\n WHERE main_library_id = ?\n ORDER BY name ASC", array($libraryid), 0, 40);
foreach ($results as $content) {
$out->params[$content->id] = $content->params;
}
}
return $out;
}
