protected function prepareRelationships(Entity $entity)
{
$attributes = [];
$relationships = $entity->getRelationshipConfig();
foreach ($relationships as $relationship) {
$table = $relationship['table'];
$foreignKey = $this->underscore($relationship['entity']) . '_id';
$localKey = $this->underscore($entity->getEntityName()) . '_id';
$attribute = $this->applyAttributeDefaults(['parent' => $relationship['entity']]);
if ($relationship['type'] == Relationship::HAS_PIVOT && !isset($this->pivots[$relationship['table']])) {
$this->pivots[$table][$foreignKey] = $attribute;
$this->pivots[$table][$localKey] = $this->applyAttributeDefaults(['parent' => $entity->getEntityName()]);
} elseif ($relationship['type'] == Relationship::HAS_ONE) {
$attributes[$foreignKey] = $attribute;
} elseif ($relationship['type'] == Relationship::BELONGS_TO) {
$attributes[$foreignKey] = $attribute;
}
}
return $attributes;
}
