public function evaluate(FlowQuery $flowQuery, array $arguments)
{
$nodes = $flowQuery->getContext();
// Check sort property
if (isset($arguments[0]) && !empty($arguments[0])) {
$sortProperty = $arguments[0];
} else {
throw new \Neos\Eel\FlowQuery\FlowQueryException('Please provide a node property to sort by.', 1467881104);
}
// Check sort direction
if (isset($arguments[1]) && !empty($arguments[1]) && in_array(strtoupper($arguments[1]), ['ASC', 'DESC'])) {
$sortOrder = strtoupper($arguments[1]);
} else {
throw new \Neos\Eel\FlowQuery\FlowQueryException('Please provide a valid sort direction (ASC or DESC)', 1467881105);
}
$sortedNodes = [];
$sortSequence = [];
$nodesByIdentifier = [];
// Determine the property value to sort by
/** @var Node $node */
foreach ($nodes as $node) {
if ($sortProperty[0] === '_') {
$propertyValue = \Neos\Utility\ObjectAccess::getPropertyPath($node, substr($sortProperty, 1));
} else {
$propertyValue = $node->getProperty($sortProperty);
}
if ($propertyValue instanceof \DateTime) {
$propertyValue = $propertyValue->getTimestamp();
}
$sortSequence[$node->getIdentifier()] = $propertyValue;
$nodesByIdentifier[$node->getIdentifier()] = $node;
}
// Create the sort sequence
if ($sortOrder === 'DESC') {
arsort($sortSequence);
} elseif ($sortOrder === 'ASC') {
asort($sortSequence);
}
// Build the sorted context that is returned
foreach ($sortSequence as $nodeIdentifier => $value) {
$sortedNodes[] = $nodesByIdentifier[$nodeIdentifier];
}
$flowQuery->setContext($sortedNodes);
} /**
* @test
*/
public function sortByDateTimeDescending()
{
$nodesToSort = [$this->nodeDataRepository->findOneByIdentifier('c381f64d-4269-429a-9c21-6d846115addd', $this->context->getWorkspace(true), array()), $this->nodeDataRepository->findOneByIdentifier('c381f64d-4269-429a-9c21-6d846115adde', $this->context->getWorkspace(true), array()), $this->nodeDataRepository->findOneByIdentifier('c381f64d-4269-429a-9c21-6d846115addf', $this->context->getWorkspace(true), array())];
$correctOrder = [$this->nodeDataRepository->findOneByIdentifier('c381f64d-4269-429a-9c21-6d846115addd', $this->context->getWorkspace(true), array()), $this->nodeDataRepository->findOneByIdentifier('c381f64d-4269-429a-9c21-6d846115addf', $this->context->getWorkspace(true), array()), $this->nodeDataRepository->findOneByIdentifier('c381f64d-4269-429a-9c21-6d846115adde', $this->context->getWorkspace(true), array())];
$flowQuery = new \Neos\Eel\FlowQuery\FlowQuery($nodesToSort);
$operation = new SortOperation();
$operation->evaluate($flowQuery, ['_lastPublicationDateTime', 'DESC']);
$this->assertEquals($correctOrder, $flowQuery->getContext());
}