public static function ExtractCourse($data, $singleResult = false, $CourseExtension = '', $SheetExtension = '', $isResult = true)
{
// generates an assoc array of courses by using a defined list of
// its attributes
$courses = DBJson::getObjectsByAttributes($data, Course::getDBPrimaryKey(), Course::getDBConvert(), $CourseExtension);
// generates an assoc array of settings by using a defined list of
// its attributes
$settings = DBJson::getObjectsByAttributes($data, Setting::getDBPrimaryKey(), Setting::getDBConvert());
// generates an assoc array of exercise sheets by using a defined list of
// its attributes
$exerciseSheets = DBJson::getObjectsByAttributes($data, ExerciseSheet::getDBPrimaryKey(), array(ExerciseSheet::getDBPrimaryKey() => ExerciseSheet::getDBConvert()[ExerciseSheet::getDBPrimaryKey()]), $SheetExtension);
// concatenates the courses and the associated settings
$res = DBJson::concatObjectListResult($data, $courses, Course::getDBPrimaryKey(), Course::getDBConvert()['C_settings'], $settings, Setting::getDBPrimaryKey());
// concatenates the courses and the associated exercise sheet IDs
$res = DBJson::concatResultObjectListAsArray($data, $res, Course::getDBPrimaryKey(), Course::getDBConvert()['C_exerciseSheets'], $exerciseSheets, ExerciseSheet::getDBPrimaryKey(), $SheetExtension, $CourseExtension);
if ($isResult) {
$res = Course::decodeCourse($res, false);
if ($singleResult == true) {
// only one object as result
if (count($res) > 0) {
$res = $res[0];
}
}
}
return $res;
}
public static function ExtractExerciseSheet($data, $singleResult = false, $SheetExtension = '', $SheetFileExtension = '', $SheetSolutionExtension = '', $isResult = true)
{
// generates an assoc array of an exercise sheet by using a defined list of its attributes
$exerciseSheet = DBJson::getObjectsByAttributes($data, ExerciseSheet::getDBPrimaryKey(), ExerciseSheet::getDBConvert(), $SheetExtension);
// generates an assoc array of an file by using a defined list of its attributes
$exerciseSheetFile = DBJson::getObjectsByAttributes($data, File::getDBPrimaryKey(), File::getDBConvert(), $SheetFileExtension);
// generates an assoc array of an file by using a defined list of its attributes
$sampleSolutions = DBJson::getObjectsByAttributes($data, File::getDBPrimaryKey(), File::getDBConvert(), $SheetSolutionExtension . '2');
// concatenates the exercise sheet and the associated sample solution
$res = DBJson::concatObjectListsSingleResult($data, $exerciseSheet, ExerciseSheet::getDBPrimaryKey(), ExerciseSheet::getDBConvert()['F_id_file'], $exerciseSheetFile, File::getDBPrimaryKey(), $SheetFileExtension, $SheetExtension);
// concatenates the exercise sheet and the associated exercise sheet file
$res = DBJson::concatObjectListsSingleResult($data, $res, ExerciseSheet::getDBPrimaryKey(), ExerciseSheet::getDBConvert()['F_id_sampleSolution'], $sampleSolutions, File::getDBPrimaryKey(), $SheetSolutionExtension . '2', $SheetExtension);
if ($isResult) {
// to reindex
$res = array_merge($res);
$res = ExerciseSheet::decodeExerciseSheet($res, false);
if ($singleResult == true) {
// only one object as result
if (count($res) > 0) {
$res = $res[0];
}
}
}
return $res;
}
public function getCourseSheets($callName, $input, $params = array())
{
$getSheets = function ($input, $courseid, $exercise = null) {
$getExercises = function ($input, $sheet) {
$result = Model::isEmpty();
$result['content'] = array();
$data = array();
foreach ($input as $inp) {
if ($inp->getNumRows() > 0) {
// extract Course data from db answer
$result['content'] = Exercise::ExtractExercise($inp->getResponse(), false, '', '', '', '', false);
$data = array_merge($data, $inp->getResponse());
$result['status'] = 200;
}
}
$result['content'] = DBJson::concatResultObjectLists($data, $sheet, ExerciseSheet::getDBPrimaryKey(), ExerciseSheet::getDBConvert()['ES_exercises'], $result['content'], Exercise::getDBPrimaryKey());
$result['content'] = array_merge($result['content']);
return self::finalizeSheets($result);
};
$result = Model::isEmpty();
$result['content'] = array();
foreach ($input as $inp) {
if ($inp->getNumRows() > 0) {
$result['content'] = ExerciseSheet::ExtractExerciseSheet($inp->getResponse(), false, '', '', '', $exercise !== null ? false : true);
$result['status'] = 200;
}
}
if ($exercise === null) {
return self::finalizeSheets($result);
}
return $this->_component->call('getCourseExercises', array("courseid" => $courseid), '', 200, $getExercises, array("sheet" => $result['content']), 'Model::isProblem', array(), 'Query');
};
$params = DBJson::mysql_real_escape_string($params);
return $this->_component->call('getCourseSheets', $params, '', 200, $getSheets, $params, 'Model::isProblem', array(), 'Query');
}
