/**
* @return array
*/
private function getData()
{
$delivery = new \core_kernel_classes_Resource($this->params[0]);
$resultsService = ResultsService::singleton();
$filter = 'lastSubmitted';
$columns = [];
$testtaker = new \tao_models_classes_table_PropertyColumn(new \core_kernel_classes_Property(PROPERTY_RESULT_OF_SUBJECT));
$testTakerColumn[] = $testtaker->toArray();
$cols = array_merge($testTakerColumn, $resultsService->getVariableColumns($delivery, CLASS_OUTCOME_VARIABLE, $filter), $resultsService->getVariableColumns($delivery, CLASS_RESPONSE_VARIABLE, $filter));
$dataProvider = new VariableDataProvider();
foreach ($cols as $col) {
$column = \tao_models_classes_table_Column::buildColumnFromArray($col);
if (!is_null($column)) {
if ($column instanceof VariableColumn) {
$column->setDataProvider($dataProvider);
}
$columns[] = $column;
}
}
$columns[0]->label = __("Test taker");
$rows = $resultsService->getResultsByDelivery($delivery, $columns, $filter);
$columnNames = array_reduce($columns, function ($carry, $item) {
$carry[] = $item->label;
return $carry;
});
$result = [];
foreach ($rows as $row) {
$rowResult = [];
foreach ($row['cell'] as $rowKey => $rowVal) {
$rowResult[$columnNames[$rowKey]] = $rowVal[0];
}
$result[] = $rowResult;
}
//If there are no executions yet, the file is exported but contains only the header
if (empty($result)) {
$result = [array_fill_keys($columnNames, '')];
}
return $result;
}
/**
* Returns the default column selection that contains the Result of Subject property (This has been removed from the other commodity function adding grades and responses)
*/
public function getResultOfSubjectColumn()
{
$testtaker = new tao_models_classes_table_PropertyColumn(new core_kernel_classes_Property(PROPERTY_RESULT_OF_SUBJECT));
$arr[] = $testtaker->toArray();
echo json_encode(array('columns' => $arr));
}
