For example, parentModel is Users and foreignModel is Phones. Each uses has exactly one Phone.
/**
* Public constructor. Initialises the relation.
*
* @param DataModel $parentModel The data model we are attached to
* @param string $foreignModelName The name of the foreign key's model in the format "modelName@com_something"
* @param string $localKey The local table key for this relation, default: parentModel's ID field name
* @param string $foreignKey The foreign key for this relation, default: parentModel's ID field name
* @param string $pivotTable IGNORED
* @param string $pivotLocalKey IGNORED
* @param string $pivotForeignKey IGNORED
*/
public function __construct(DataModel $parentModel, $foreignModelName, $localKey = null, $foreignKey = null, $pivotTable = null, $pivotLocalKey = null, $pivotForeignKey = null)
{
parent::__construct($parentModel, $foreignModelName, $localKey, $foreignKey, $pivotTable, $pivotLocalKey, $pivotForeignKey);
if (empty($localKey)) {
/** @var DataModel $foreignModel */
$foreignModel = $this->getForeignModel();
$foreignModel->setIgnoreRequest(true);
$this->localKey = $foreignModel->getIdFieldName();
}
if (empty($foreignKey)) {
if (!isset($foreignModel)) {
/** @var DataModel $foreignModel */
$foreignModel = $this->getForeignModel();
$foreignModel->setIgnoreRequest(true);
}
$this->foreignKey = $foreignModel->getIdFieldName();
}
}
