/**
* If `$vals` is false, we're creating a new object from scratch.
* If it contains an array, it's a new object from an array.
* If `$is_new` is false, then the array is an existing field
* (mainly used internally by `fetch()`).
* If `$vals` contains a single value, the object is retrieved from the database.
*/
public function __construct($vals = false, $is_new = true)
{
$this->name = $this->name === '' ? strtolower(get_class($this)) : $this->name;
$this->db = MongoManager::get_database();
if ($this->db) {
$this->collection = $this->db->{$this->name};
}
if (is_object($vals)) {
if (get_class($vals) !== 'MongoId') {
$vals = (array) $vals;
}
}
if (is_array($vals)) {
$this->data = $vals;
if (isset($vals[$this->key])) {
$this->keyval = $vals[$this->key];
}
if ($is_new) {
$this->is_new = true;
}
} elseif ($vals !== false) {
$res = $this->collection->findOne(array('_id' => $this->_id($vals)));
if (!$res) {
$this->error = 'No object by that ID.';
} else {
$this->data = (array) $res;
$this->keyval = $this->data[$this->key];
}
} else {
$this->is_new = true;
}
}
