/**
* This method should process all configurations and prepare the underlying data for the view. It will arrange the
* data and provide the results in a DTData object.
* It will be called after {@link #prepareForProcessing} has been called and needs to return the processed data in
* a DTData object so the Composer can further handle the data.
*
* @return ResponseData The processed data
*
*/
public function process()
{
// check if the query configuration is set
if (is_null($this->queryConfiguration) || empty($this->columnConfiguration)) {
throw new \InvalidArgumentException("Provider was not configured. Did you call prepareForProcessing first?");
}
// compile the collection first
$this->compileCollection($this->columnConfiguration);
// sort
$this->sortCollection();
// slice the result into the right size
return new ResponseData($this->collection->slice($this->queryConfiguration->start(), $this->queryConfiguration->length()), $this->totalInitialDataCount);
}
/**
* Will limit a query based on the start and length given
*/
private function limitQuery()
{
$this->query->skip($this->queryConfiguration->start());
$this->query->limit($this->queryConfiguration->length());
}