/** modify one row **/
public function doModifyRow()
{
$this->db = xn("db");
$this->collection = xn("collection");
$id = rock_real_id(xn("id"));
//selected format last time
$this->last_format = rock_cookie("rock_format", "json");
import("lib.mongo.RQuery");
$query = new RQuery($this->_mongo, $this->db, $this->collection);
$this->row = $query->id($id)->findOne();
if (empty($this->row)) {
$this->error = "Record is not found.";
$this->display();
return;
}
$this->data = $this->row;
unset($this->data["_id"]);
import("classes.VarExportor");
$export = new VarExportor($query->db(), $this->data);
$this->data = $export->export($this->last_format);
if ($this->last_format == "json") {
$this->data = json_unicode_to_utf8($this->data);
}
if ($this->isPost()) {
$this->data = xn("data");
$format = x("format");
$this->last_format = $format;
$row = null;
$eval = new VarEval($this->data, $format, $this->_mongo->selectDb($this->db));
$row = $eval->execute();
if ($row === false || !is_array($row)) {
$this->error = "Only valid {$format} is accepted.";
$this->display();
return;
}
$query = new RQuery($this->_mongo, $this->db, $this->collection);
$obj = $query->id($this->row["_id"])->find();
$oldAttrs = $obj->attrs();
$obj->setAttrs($row);
foreach ($oldAttrs as $oldAttr => $oldValue) {
if ($oldAttr == "_id") {
continue;
}
if (!array_key_exists($oldAttr, $row)) {
$obj->remove($oldAttr);
}
}
try {
$obj->save();
} catch (Exception $e) {
$this->error = $e->getMessage();
$this->display();
return;
}
//remember format choice
$this->_rememberFormat($format);
$this->message = "Updated successfully.";
}
$this->display();
}
