/**
* @param Field\Relation $field
* @return Model|\Dja\Db\Model\Query\QuerySet
*/
protected function getLazyRelation(Relation $field)
{
$name = $field->name;
if (!array_key_exists($name, $this->relationDataCache)) {
$this->relationDataCache[$name] = $field->getRelation($this);
} elseif (is_array($this->relationDataCache[$name])) {
if (!empty(array_filter($this->relationDataCache[$name]))) {
$relClass = $field->relationClass;
$this->relationDataCache[$name] = new $relClass($this->relationDataCache[$name], false);
} else {
$this->relationDataCache[$name] = null;
}
}
return $this->relationDataCache[$name];
}
/**
* @param $value
* @throws \InvalidArgumentException
*/
public function validate($value)
{
parent::validate($value);
if (is_int($value)) {
if ($value <= 0) {
throw new \InvalidArgumentException("Field '{$this->name}' must be integer > 0");
}
} elseif (is_object($value)) {
if (!$value instanceof \Dja\Db\Model\Model) {
throw new \InvalidArgumentException("Field '{$this->name}' must be instance of \\Dja\\Db\\Model\\Model");
}
if (get_class($value) !== $this->relationClass) {
throw new \InvalidArgumentException("Field '{$this->name}' must be instance of {$this->relationClass}");
}
} else {
throw new \InvalidArgumentException("Field '{$this->name}' must be integer or object");
}
}
