/**
* Form validation.
*
* @param array $data
* @param array $files
* @return void
*/
public function validation($data, $files)
{
global $DB;
$errors = array();
// Check course doesn't already exist.
if (!empty($data['shortname'])) {
// Check shortname.
$error = tool_generator_course_backend::check_shortname_available($data['shortname']);
if ($error) {
$errors['shortname'] = $error;
}
}
return $errors;
}
/**
* Creates a small test course specifying a maximum size and checks the generated files size is limited.
*/
public function test_filesize_limit()
{
$this->resetAfterTest();
$this->setAdminUser();
// Limit.
$filesizelimit = 100;
// Create a limited XS course.
$backend = new tool_generator_course_backend('TOOL_XS_LIMITED', 0, false, $filesizelimit, false);
$courseid = $backend->make();
$course = get_course($courseid);
$modinfo = get_fast_modinfo($course);
// Check there are small files.
$fs = get_file_storage();
$resources = $modinfo->get_instances_of('resource');
foreach ($resources as $resource) {
$resourcecontext = context_module::instance($resource->id);
$files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
foreach ($files as $file) {
if ($file->get_mimetype() == 'application/octet-stream') {
$this->assertLessThanOrEqual($filesizelimit, $file->get_filesize());
}
}
}
// Create a non-limited XS course.
$backend = new tool_generator_course_backend('TOOL_XS_NOLIMITS', 0, false, false, false);
$courseid = $backend->make();
$course = get_course($courseid);
$modinfo = get_fast_modinfo($course);
// Check there are small files.
$fs = get_file_storage();
$resources = $modinfo->get_instances_of('resource');
foreach ($resources as $resource) {
$resourcecontext = context_module::instance($resource->id);
$files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
foreach ($files as $file) {
if ($file->get_mimetype() == 'application/octet-stream') {
$this->assertGreaterThan($filesizelimit, (int) $file->get_filesize());
}
}
}
}
exit(empty($options['help']) ? 1 : 0);
}
// Check debugging is set to developer level.
if (empty($options['bypasscheck']) && !debugging('', DEBUG_DEVELOPER)) {
cli_error(get_string('error_notdebugging', 'tool_generator'));
}
// Get options.
$shortname = $options['shortname'];
$fullname = $options['fullname'];
$summary = $options['summary'];
$sizename = $options['size'];
$fixeddataset = $options['fixeddataset'];
$filesizelimit = $options['filesizelimit'];
// Check size.
try {
$size = tool_generator_course_backend::size_for_name($sizename);
} catch (coding_exception $e) {
cli_error("Invalid size ({$sizename}). Use --help for help.");
}
// Check shortname.
if ($error = tool_generator_course_backend::check_shortname_available($shortname)) {
cli_error($error);
}
// Switch to admin user account.
\core\session\manager::set_user(get_admin());
// Do backend code to generate course.
$backend = new tool_generator_course_backend($shortname, $size, $fixeddataset, $filesizelimit, empty($options['quiet']), $fullname, $summary, FORMAT_HTML);
$id = $backend->make();
if (empty($options['quiet'])) {
echo PHP_EOL . 'Generated course: ' . course_get_url($id) . PHP_EOL;
}
/**
* Checks if the selected target course is ok.
*
* @param int|string $course
* @param int $size
* @return array Errors array or false if everything is ok
*/
public static function has_selected_course_any_problem($course, $size)
{
global $DB;
$errors = array();
if (!is_numeric($course)) {
if (!($course = $DB->get_field('course', 'id', array('shortname' => $course)))) {
$errors['courseid'] = get_string('error_nonexistingcourse', 'tool_generator');
return $errors;
}
}
$coursecontext = context_course::instance($course, IGNORE_MISSING);
if (!$coursecontext) {
$errors['courseid'] = get_string('error_nonexistingcourse', 'tool_generator');
return $errors;
}
if (!($users = get_enrolled_users($coursecontext, '', 0, 'u.id'))) {
$errors['courseid'] = get_string('coursewithoutusers', 'tool_generator');
}
// Checks that the selected course has enough users.
$coursesizes = tool_generator_course_backend::get_users_per_size();
if (count($users) < self::$users[$size]) {
$errors['size'] = get_string('notenoughusers', 'tool_generator');
}
if (empty($errors)) {
return false;
}
return $errors;
}
