public function execute()
{
//valid endpoints are /_bulk, /{index}/_bulk, and {index}/{type}/_bulk
if ($this->index === null && $this->type === null) {
$endpoint = ['_bulk'];
} elseif ($this->index !== null && $this->type === null) {
$endpoint = [$this->index, '_bulk'];
} elseif ($this->index !== null && $this->type !== null) {
$endpoint = [$this->index, $this->type, '_bulk'];
} else {
throw new InvalidCallException('Invalid endpoint: if type is defined, index must be defined too.');
}
if (empty($this->actions)) {
$body = '{}';
} elseif (is_array($this->actions)) {
$body = '';
foreach ($this->actions as $action) {
$body .= Json::encode($action) . "\n";
}
} else {
$body = $this->actions;
}
return $this->db->post($endpoint, $this->options, $body);
}