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<?php
namespace Dhtmlx\Connector\Data;
class JSONDataUpdate extends DataUpdate {
/*! adds action version in output XML as userdata
*/
public function version_output($conn, $out) {
$outJson = json_decode($out->__toString(), true);
if(!isset($outJson["userdata"]))
$outJson["userdata"] = array();
$outJson["userdata"] = array_merge($outJson["userdata"], $this->get_version());
$out->reset();
$out->add(json_encode($outJson));
}
/*! return action version in XMl format
*/
public function get_version() {
$version = array("version" => $this->get_update_max_version());
return $version;
}
public function get_updates() {
$sub_request = new DataRequestConfig($this->request);
$version = $this->request->get_version();
$user = $this->request->get_user();
$sub_request->parse_sql($this->select_update($this->table, $this->request->get_source(), $this->config->id['db_name'], $version, $user));
$sub_request->set_relation(false);
$output = $this->render_set($this->sql->select($sub_request), $this->item_class);
if(!isset($output["userdata"]))
$output["userdata"] = array();
$output["userdata"] = array_merge($output["userdata"], $this->get_version());
$this->output(json_encode($output));
}
protected function render_set($res, $name){
$output = array();
$index = 0;
while($data = $this->sql->get_next($res)) {
$data = new JSONDataItemUpdate($data, $this->config, $index, $name);
$this->event->trigger("beforeRender", $data);
array_push($output, $data->to_xml());
$index++;
}
return array("updates" => $output);
}
protected function output($res){
$out = new OutputWriter($res, "");
$out->set_type("json");
$this->event->trigger("beforeOutput", $this, $out);
$out->output("", true, $this->encoding);
}
}
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