/**
* Delete a course
* @todo: consider factoring this some more once other actions exist
*
* @param object $record One record of import data
* @param string $filename The import file name, used for logging
* @return boolean true on success, otherwise false
*/
function course_delete($record, $filename)
{
global $CFG, $DB;
require_once $CFG->dirroot . '/local/elisprogram/lib/data/course.class.php';
if (isset($record->idnumber)) {
if (!$DB->record_exists(course::TABLE, array('idnumber' => $record->idnumber))) {
$identifier = $this->get_field_mapping('idnumber');
$this->fslogger->log_failure("{$identifier} value of \"{$record->idnumber}\" does not refer to a valid course description.", 0, $filename, $this->linenumber, $record, "course");
return false;
}
}
if (!$this->validate_course_data('delete', $record, $filename)) {
return false;
}
if ($course = $DB->get_record(course::TABLE, array('idnumber' => $record->idnumber))) {
$course = new course($course);
$course->delete();
}
//log success
$success_message = "Course description with idnumber \"{$record->idnumber}\" successfully deleted.";
$this->fslogger->log_success($success_message, 0, $filename, $this->linenumber);
return true;
}
/**
* Tests contexts in course data object.
*
* Covers:
* local/elisprogram/lib/data/course.class.php:619
*/
public function test_coursecontexts()
{
$this->setup_curriculum();
$this->setup_curriculumcourse();
$this->setup_courses();
$crs = new course(100);
$crs->delete();
}
/**
* Performs course delete
* @throws moodle_exception If there was an error in passed parameters.
* @throws data_object_exception If there was an error creating the entity.
* @param array $data The incoming data parameter.
* @return array An array of parameters, if successful.
*/
public static function course_delete(array $data)
{
global $USER, $DB;
if (static::require_elis_dependencies() !== true) {
throw new moodle_exception('ws_function_requires_elis', 'local_datahub');
}
// Parameter validation.
$params = self::validate_parameters(self::course_delete_parameters(), array('data' => $data));
// Context validation.
$context = context_user::instance($USER->id);
self::validate_context($context);
$data = (object) $data;
// Validate course exists.
if (!($crsid = $DB->get_field(course::TABLE, 'id', array('idnumber' => $data->idnumber)))) {
throw new data_object_exception('ws_course_delete_fail_invalid_idnumber', 'local_datahub', '', $data);
}
// Capability checking.
require_capability('local/elisprogram:course_delete', \local_elisprogram\context\course::instance($crsid));
$course = new course($crsid);
$course->delete();
// Confirm delete & respond.
if (!$DB->record_exists(course::TABLE, array('id' => $crsid))) {
return array('messagecode' => get_string('ws_course_delete_success_code', 'local_datahub'), 'message' => get_string('ws_course_delete_success_msg', 'local_datahub'));
} else {
throw new data_object_exception('ws_course_delete_fail', 'local_datahub');
}
}
