/**
* @param AbstractDataTable $table
* @param \Symfony\Component\HttpFoundation\Request $request
* @return \Symfony\Component\HttpFoundation\JsonResponse
* @throws \Exception
*/
public function processRequest(AbstractDataTable $table, \Symfony\Component\HttpFoundation\Request $request)
{
$this->table = $table;
$this->request = new DataTablesRequest($request);
$response = new Response();
$response->draw = $this->request->getDraw();
$qb = $this->createQueryBuilder();
$response->recordsTotal = $this->countTotals($qb);
$response->recordsFiltered = $this->applyFilterAndCount($qb);
if (null === $response->recordsFiltered) {
$response->recordsFiltered = $response->recordsTotal;
}
// select entities
$prefixes = array_merge([$this->table->getPrefix()], $this->table->getJoinPrefixes());
call_user_func_array([$qb, 'select'], $prefixes);
// add count
if ($this->table->getHasScalarColumns()) {
foreach ($this->table->getColumns() as $column) {
if ($column instanceof EntitiesCountColumn) {
$qb->addSelect('count(' . $column->getEntityPrefix() . ') as ' . $column->getField() . '_count');
// '.' . $column->getField() .
} elseif ($column instanceof EntitiesScalarColumn) {
$qb->addSelect($column->getOperation() . '(' . $column->getEntityPrefix() . '.' . $column->getEntityField() . ') as ' . $column->getField() . '_' . $column->getOperation());
// '.' . $column->getField() .
$qb->addGroupBy($this->table->getPrefix() . '.id');
}
}
}
// paginate
$paginate = clone $qb;
$paginate->select('distinct(' . $this->table->getPrefix() . '.' . $this->getIdentifierField() . ')');
// add scalar fields as hidden (todo: clean up this mess)
if ($this->table->getHasScalarColumns()) {
foreach ($this->table->getColumns() as $column) {
if ($column instanceof EntitiesCountColumn) {
$paginate->addSelect('count(' . $column->getEntityPrefix() . ') as hidden ' . $column->getField() . '_count');
// '.' . $column->getField() .
} elseif ($column instanceof EntitiesScalarColumn) {
$paginate->addSelect($column->getOperation() . '(' . $column->getEntityPrefix() . '.' . $column->getEntityField() . ') as hidden ' . $column->getField() . '_' . $column->getOperation());
// '.' . $column->getField() .
$paginate->addGroupBy($this->table->getPrefix() . '.id');
}
}
}
$paginate->setFirstResult($this->request->getStart())->setMaxResults($this->request->getLength());
$ids = $paginate->getQuery()->getResult();
// order
$this->applyOrder($qb);
$qb->andWhere($this->table->getPrefix() . '.' . $this->getIdentifierField() . ' in (:ids)')->setParameter('ids', $ids);
// get result
$resultCallback = $this->table->getResultCallback();
if (null !== $resultCallback) {
call_user_func($resultCallback, $this->table, $qb, $response, $this->dataConverter);
} else {
call_user_func(['Voelkel\\DataTablesBundle\\DataTables\\DataBuilder', 'build'], $this->table, $qb, $response, $this->dataConverter, $this->table->getRowCallback());
}
return $response->create();
}