/**
* Creates an intermediary model.
*
* @param ManyToManyField $field
* @param Model $model
*
* @return Model
*
* @since 1.1.0
*
* @author Eddilbert Macharia (http://eddmash.com) <*****@*****.**>
*/
public function createManyToManyIntermediaryModel($field, $model)
{
$modelName = $model->meta->modelName;
if (is_string($field->relation->toModel)) {
$toModelName = Tools::resolveRelation($model, $field->relation->toModel);
} else {
$toModelName = $field->relation->toModel->meta->modelName;
}
$className = sprintf('%1$s_%2$s', $modelName, $field->name);
$intermediaryClass = 'class %1$s extends %2$s{
public function fields(){}
}';
$intermediaryClass = sprintf($intermediaryClass, $className, Model::getFullClassName());
if (!class_exists($className, false)) {
eval($intermediaryClass);
}
$from = strtolower($modelName);
$to = strtolower($toModelName);
if ($from == $to) {
$to = sprintf('to_%s', $to);
$from = sprintf('from_%s', $from);
}
$fields = [$from => ForeignKey::createObject(['to' => $modelName, 'dbConstraint' => $field->relation->dbConstraint, 'onDelete' => Delete::CASCADE]), $to => ForeignKey::createObject(['to' => $toModelName, 'dbConstraint' => $field->relation->dbConstraint, 'onDelete' => Delete::CASCADE])];
$meta = ['dbTable' => $field->_getM2MDbTable($model->meta), 'verboseName' => sprintf('%s-%s relationship', $from, $to), 'uniqueTogether' => [$from, $to], 'autoCreated' => true];
$className = '\\' . $className;
/** @var $intermediaryObj Model */
$intermediaryObj = new $className();
$intermediaryObj->init($fields, ['meta' => $meta, 'registry' => $field->scopeModel->meta->registry]);
return $intermediaryObj;
}
