function write_role_assignments_xml($bf, $preferences, $context, $startlevel)
{
/// write role_assign code here
fwrite($bf, start_tag("ROLES_ASSIGNMENTS", $startlevel, true));
if ($roles = get_roles_with_assignment_on_context($context)) {
foreach ($roles as $role) {
/// Skip non-selected roles
if (!isset($preferences->backuproleassignments[$role->id])) {
continue;
}
fwrite($bf, start_tag("ROLE", $startlevel + 1, true));
fwrite($bf, full_tag("ID", $startlevel + 2, false, $role->id));
fwrite($bf, full_tag("NAME", $startlevel + 2, false, $role->name));
fwrite($bf, full_tag("SHORTNAME", $startlevel + 2, false, $role->shortname));
fwrite($bf, start_tag("ASSIGNMENTS", $startlevel + 2, true));
if ($assignments = get_users_from_role_on_context($role, $context)) {
foreach ($assignments as $assignment) {
/// Role assignments are only sent to backup if the user is one target user
if (backup_getid($preferences->backup_unique_code, 'user', $assignment->userid)) {
fwrite($bf, start_tag("ASSIGNMENT", $startlevel + 3, true));
fwrite($bf, full_tag("USERID", $startlevel + 4, false, $assignment->userid));
fwrite($bf, full_tag("HIDDEN", $startlevel + 4, false, $assignment->hidden));
fwrite($bf, full_tag("TIMESTART", $startlevel + 4, false, $assignment->timestart));
fwrite($bf, full_tag("TIMEEND", $startlevel + 4, false, $assignment->timeend));
fwrite($bf, full_tag("TIMEMODIFIED", $startlevel + 4, false, $assignment->timemodified));
if (!isset($assignment->modifierid)) {
$assignment->modifierid = 0;
}
fwrite($bf, full_tag("MODIFIERID", $startlevel + 4, false, $assignment->modifierid));
fwrite($bf, full_tag("ENROL", $startlevel + 4, false, $assignment->enrol));
fwrite($bf, full_tag("SORTORDER", $startlevel + 4, false, $assignment->sortorder));
fwrite($bf, end_tag("ASSIGNMENT", $startlevel + 3, true));
}
}
}
fwrite($bf, end_tag("ASSIGNMENTS", $startlevel + 2, true));
fwrite($bf, end_tag("ROLE", $startlevel + 1, true));
}
}
fwrite($bf, end_tag("ROLES_ASSIGNMENTS", $startlevel, true));
}
public static function get_final_grade_by_course_id($courseId, $roleId)
{
// no MOODLE não temos factories
// obtemos os acessores diretamente via variaveis globais
global $CFG;
require_once $CFG->dirroot . '/grade/lib.php';
require_once $CFG->dirroot . '/grade/querylib.php';
require_once $CFG->dirroot . '/user/lib.php';
// para trabalhar com as grades de notas precisa-se ter
// as seguintes habilidades:
// * moodle/grade:export
// * gradeexprt/txt:view
// primeiro pego o contexto do sistema com base no usuário corrente
$context = get_context_instance(CONTEXT_SYSTEM);
// então verifico as abilidades uma a uma
require_capability('moodle/grade:export', $context);
require_capability('gradeexport/txt:view', $context);
// neste ponto se verifica os parametros informados estão corretos
// e dentro do exigido pela função
// observe que solicitei os parametros como sendo do tipo inteiro
// diretamente sem que sejam algum tipo de estrutura. Isto facilita
// o acesso aos parametros,
$funcParams = self::validate_parameters(self::get_final_grade_by_course_id_parameters(), array('courseId' => $courseId, 'roleId' => $roleId));
if (MDEBUG) {
mDebug_log($funcParams, 'Parametros da Função');
}
$usersIds = array();
$context = get_context_instance(CONTEXT_COURSE, $funcParams['courseId']);
$role = new stdClass();
$role->id = $roleId;
$users = get_users_from_role_on_context($role, $context);
if (MDEBUG) {
mDebug_log($users);
}
$usersIds = array();
foreach ($users as $user) {
$usersIds[] = $user->userid;
}
if (MDEBUG) {
mDebug_log($usersIds, 'Ids dos Usuários');
}
// OK, agora que está tudo ok, consulto no banco de dados a nota
// do usuário conforme o curso
$grades = grade_get_course_grades($funcParams['courseId'], $usersIds);
if (MDEBUG) {
mDebug_log($grades, 'Grades');
}
// TODO, estudar melhorias neste retorno.
foreach ($grades->grades as $userId => $grade) {
$result = array();
if ($grade === false) {
$result['grade'] = grade_floatval(-9999);
} else {
if ($grade === null) {
$result['grade'] = grade_floatval(-8888);
} else {
$result['grade'] = grade_floatval($grade->grade);
}
}
$result['userId'] = $userId;
$results[] = $result;
}
if (MDEBUG) {
mDebug_log($results, 'Grades finais a serem enviadas');
}
return $results;
}
