/**
* Processes CREST market order responses. It is assumed this method will only be called in batch mode.
*
* CREST splits buy and sell orders into two separate calls, but they must be processed together (we dont't want to
* deal with partial DB updates). Async CREST calls can return in any order, so we must pair each buy order to its
* matching sell order or vice versa by buffering whichever response comes first before processing them atomically.
*
* @param \iveeCore\Response $response to be processed
*
* @return void
* @throws \iveeCore\Exceptions\UnexpectedDataException if Response with wrong representation is passed
*/
protected function processOrderResponse(Response $response)
{
//check for correct CREST response representation
$expectedRepresentation = 'application/' . EndpointHandler::MARKET_ORDER_COLLECTION_REPRESENTATION;
if ($response->getContentType() != $expectedRepresentation) {
$exceptionClass = Config::getIveeClassName('UnexpectedDataException');
throw new $exceptionClass('Representation of CREST Response was ' . $response->getContentType() . ', ' . $expectedRepresentation . ' expected');
}
//extract Ids from the URL
$urlComponents = parse_url($response->getInfo()['url']);
$pathComponents = explode('/', $urlComponents['path']);
$regionId = (int) $pathComponents[2];
$typeId = (int) explode('/', $urlComponents['query'])[4];
$key = $regionId . '_' . $typeId;
//Instantiate stdClass object if necessary
if (!isset($this->orderResponseBuffer[$key])) {
$this->orderResponseBuffer[$key] = new \stdClass();
}
//we decide between buy and sell based on the url instead of the items in the response because potentially
//empty sets could be returned
if ($pathComponents[4] == 'buy') {
$this->orderResponseBuffer[$key]->buyOrders = $response->content->items;
} else {
$this->orderResponseBuffer[$key]->sellOrders = $response->content->items;
}
//if buy and sell order data has been matched, process it
if (isset($this->orderResponseBuffer[$key]->buyOrders) and isset($this->orderResponseBuffer[$key]->sellOrders)) {
$this->processOrderData($this->orderResponseBuffer[$key], $typeId, $regionId);
//unset data when done to preserve memory
unset($this->orderResponseBuffer[$key]);
}
}
