/**
* @param RedBeanModel $precedingModel
* @param null|string $precedingRelation
* @return array
* @throws NotSupportedException if there the preceding model and relation are not either both defined or both
* null
*/
protected function getDerivedRelationsViaCastedUpModelData(RedBeanModel $precedingModel = null, $precedingRelation = null)
{
if ($precedingModel != null && $precedingRelation == null || $precedingModel == null && $precedingRelation != null) {
throw new NotSupportedException();
}
$attributes = array();
$metadata = $this->model->getMetadata();
foreach ($metadata as $modelClassName => $modelClassMetadata) {
if (isset($metadata[$modelClassName]["derivedRelationsViaCastedUpModel"])) {
foreach ($metadata[$modelClassName]["derivedRelationsViaCastedUpModel"] as $relation => $derivedRelationData) {
$modelClassName = get_class($this->model);
if (!$this->derivedRelationLinksToPrecedingRelation($modelClassName::getDerivedRelationModelClassName($relation), $modelClassName::getDerivedRelationViaCastedUpModelOpposingRelationName($relation), $precedingModel, $precedingRelation)) {
$attributes[$relation] = array('label' => $this->model->getAttributeLabel($relation));
}
}
}
}
return $attributes;
}
/**
* Process derived relations assignment
* @param RedBeanModel $primaryModel
* @param RedBeanModel $selectedModel
*/
protected static function processDerivedRelationsAssignment($primaryModel, $selectedModel)
{
assert('$primaryModel instanceof RedBeanModel');
assert('$selectedModel instanceof RedBeanModel');
$metadata = $selectedModel->getMetadata();
foreach ($metadata as $modelClassName => $modelClassMetadata) {
if (isset($metadata[$modelClassName]["derivedRelationsViaCastedUpModel"])) {
foreach ($metadata[$modelClassName]["derivedRelationsViaCastedUpModel"] as $relation => $derivedRelationData) {
$opposingModelClassName = $derivedRelationData[1];
$opposingRelation = $derivedRelationData[2];
if ($opposingRelation == 'activityItems' && is_subclass_of($opposingModelClassName, 'Activity')) {
$opposingModels = $opposingModelClassName::getByActivityItemsCastedDown($selectedModel->getClassId('Item'));
if ($opposingModels != null) {
foreach ($opposingModels as $opposingModel) {
$opposingModel->activityItems->add($primaryModel);
$opposingModel->save();
}
}
}
}
}
}
}