/**
* @param string $relation
* @param null|RedBeanModel $precedingModel
* @param null|string $precedingRelation
* @return bool
*/
protected function relationLinksToPrecedingRelation($relation, RedBeanModel $precedingModel = null, $precedingRelation = null)
{
assert('is_string($relation)');
if ($precedingModel == null || $precedingRelation == null) {
return false;
}
//Check if the relation is a derived relation in which case return false because it is handled by
//@see self::inferredRelationLinksToPrecedingRelation
if (!$precedingModel->isAttribute($precedingRelation)) {
return false;
}
if (get_class($precedingModel) != $this->model->getRelationmodelClassName($relation)) {
return false;
}
if ($precedingModel->getRelationLinkType($precedingRelation) == RedBeanModel::LINK_TYPE_ASSUMPTIVE && $this->model->getRelationLinkType($relation) == RedBeanModel::LINK_TYPE_ASSUMPTIVE) {
return true;
}
//Check for LINK_TYPE_SPECIFIC
if ($precedingModel->getRelationLinkType($precedingRelation) == RedBeanModel::LINK_TYPE_SPECIFIC && $this->model->getRelationLinkType($relation) == RedBeanModel::LINK_TYPE_SPECIFIC && $precedingModel->getRelationLinkName($precedingRelation) == $this->model->getRelationLinkName($relation)) {
return true;
}
return false;
}
