/**
* load the query object for a hasManyToMany relationship
* build most of the joins manually since by reference relationship in the model isn't working so well
* this support joins to distant tables with parent models
*
* @param Relation|PhalconRelation $relation
* @return array
*/
protected function getHasManyToManyRecords($relation)
{
$refModelNameSpace = $relation->getReferencedModel();
$intermediateModelNameSpace = $relation->getIntermediateModel();
// determine the key to search against
$field = $relation->getFields();
$referencedField = $relation->getReferencedFields();
$intermediateFields = $relation->getIntermediateReferencedFields();
$config = $this->getDI()->get('config');
$modelNameSpace = $config['namespaces']['models'];
$mm = $this->getDI()->get('modelsManager');
/** @var Builder $query */
$query = $mm->createBuilder()->from($intermediateModelNameSpace)->join($refModelNameSpace, $refModelNameSpace . ".{$referencedField} = " . $intermediateModelNameSpace . ".{$intermediateFields}");
$columns = array();
// join in parent record if one is detected
$parentName = $relation->getParent();
if ($parentName) {
// load parent model
/** @var BaseModel $parentModel */
$parentModelNameSpace = $modelNameSpace . $parentName;
$parentModel = new $refModelNameSpace();
// load reference relationship
$parentRelationship = $parentModel->getRelation($parentName);
$columns[] = "{$parentModelNameSpace}.*";
$query->join($parentModelNameSpace, "{$parentModelNameSpace}." . $parentRelationship->getReferencedFields() . " = {$refModelNameSpace}." . $parentRelationship->getFields(), $parentModelNameSpace);
}
// Load the main record field at the end, so they are not overwritten
$columns[] = $refModelNameSpace . ".*, " . $intermediateModelNameSpace . ".*";
$query->columns($columns);
if (isset($this->baseRecord[$field])) {
$fieldValue = $this->baseRecord[$field];
} else {
// fall back to using the primaryKeyValue
$fieldValue = $this->primaryKeyValue;
}
$whereField = $intermediateModelNameSpace . '.' . $relation->getIntermediateFields();
$query->where("{$whereField} = \"{$fieldValue}\"");
$result = $query->getQuery()->execute();
return $this->loadRelationRecords($result, $relation);
}
