public function processCollection(ObjectCollection $collection)
{
$page = 1;
$collection->setPageSize($this->batch_size);
$collection->fetch();
while (count($collection) > 0) {
$this->processBatch($collection);
usleep($this->usleep);
$page++;
$collection->setPage($page);
$collection->fetch();
}
}
protected function readPagedCollection(ObjectCollection $object_collection)
{
$request = $this->app->request;
$object_schema = $object_collection->getSchema();
// Check whether individual properties are being queried.
// Example: ?countries_of_operation=USA&first_name=Arturo
$properties = array();
foreach ($request->get() as $name => $value) {
if ($object_schema->hasProperty($name)) {
$properties[$name] = $value;
}
}
$page_size = 20;
$page = (int) $request->get('p');
if ($page < 1) {
$page = 1;
}
$object_collection->setPage($page);
$object_collection->setPageSize($page_size);
$object_collection->setProperties($properties);
$object_collection->fetch();
$total = $object_collection->getTotalCount();
// Return a 404 for invalid pages.
if (count($object_collection) < 1 and $page > 1) {
$this->app->notFound();
$this->app->stop();
}
$view_data = array();
$view_data['properties'] = $properties;
if ($total and $page_size * $page < $total) {
$view_data['next_page'] = $page + 1;
} else {
$view_data['next_page'] = 0;
}
if ($page > 1) {
$view_data['prev_page'] = $page - 1;
} else {
$view_data['prev_page'] = 0;
}
return $view_data;
}