public static function ExtractExerciseFileType($data, $singleResult = false, $FileTypeExtension = '', $isResult = true)
{
// generates an assoc array of an exercise file type by using a defined
// list of its attributes
$res = DBJson::getResultObjectsByAttributes($data, ExerciseFileType::getDBPrimaryKey(), ExerciseFileType::getDBConvert(), $FileTypeExtension);
if ($isResult) {
// to reindex
$res = array_merge($res);
$res = ExerciseFileType::decodeExerciseFileType($res, false);
if ($singleResult == true) {
// only one object as result
if (count($res) > 0) {
$res = $res[0];
}
}
}
return $res;
}
public static function ExtractExercise($data, $singleResult = false, $ExerciseExtension = '', $AttachmentExtension = '', $SubmissionExtension = '', $FileTypeExtension = '', $isResult = true)
{
// generates an assoc array of an exercise by using a defined
// list of its attributes
$exercise = DBJson::getObjectsByAttributes($data, Exercise::getDBPrimaryKey(), Exercise::getDBConvert(), $ExerciseExtension);
// generates an assoc array of files by using a defined
// list of its attributes
$attachments = DBJson::getObjectsByAttributes($data, File::getDBPrimaryKey(), File::getDBConvert(), $AttachmentExtension);
// generates an assoc array of submissions by using a defined
// list of its attributes
$submissions = DBJson::getObjectsByAttributes($data, Submission::getDBPrimaryKey(), Submission::getDBConvert(), $SubmissionExtension . '2');
// generates an assoc array of exercise file types by using a defined
// list of its attributes
$fileTypes = DBJson::getObjectsByAttributes($data, ExerciseFileType::getDBPrimaryKey(), ExerciseFileType::getDBConvert(), $FileTypeExtension);
// sets the selectedForGroup attribute
foreach ($submissions as &$submission) {
if (isset($submission['selectedForGroup'])) {
if (isset($submission['id']) && $submission['id'] == $submission['selectedForGroup']) {
$submission['selectedForGroup'] = (string) 1;
} else {
unset($submission['selectedForGroup']);
}
}
}
// concatenates the exercise and the associated filetypes
$exercise = DBJson::concatObjectListResult($data, $exercise, Exercise::getDBPrimaryKey(), Exercise::getDBConvert()['E_fileTypes'], $fileTypes, ExerciseFileType::getDBPrimaryKey(), $FileTypeExtension, $ExerciseExtension);
// concatenates the exercise and the associated attachments
$res = DBJson::concatObjectListResult($data, $exercise, Exercise::getDBPrimaryKey(), Exercise::getDBConvert()['E_attachments'], $attachments, File::getDBPrimaryKey(), $AttachmentExtension, $ExerciseExtension);
// concatenates the exercise and the associated submissions
$res = DBJson::concatObjectLists($data, $res, Exercise::getDBPrimaryKey(), Exercise::getDBConvert()['E_submissions'], $submissions, Submission::getDBPrimaryKey(), $SubmissionExtension . '2', $ExerciseExtension);
if ($isResult) {
// to reindex
$res = array_values($res);
$res = Exercise::decodeExercise($res, false);
if ($singleResult) {
// only one object as result
if (count($res) > 0) {
$res = $res[0];
}
}
}
return $res;
}
