protected static function getRefRelatedBySuffix(ForeignKey $fk)
{
$relCol = '';
foreach ($fk->getMapping() as $mapping) {
list($localColumn, $foreignValueOrColumn) = $mapping;
$localColumnName = $localColumn->getPhpName();
$localTable = $fk->getTable();
if (!$localColumn) {
throw new RuntimeException(sprintf('Could not fetch column: %s in table %s.', $localColumnName, $localTable->getName()));
}
$foreignKeysToForeignTable = $localTable->getForeignKeysReferencingTable($fk->getForeignTableName());
if ($foreignValueOrColumn instanceof Column && $fk->getForeignTableName() == $fk->getTableName()) {
$foreignColumnName = $foreignValueOrColumn->getPhpName();
// self referential foreign key
$relCol .= $foreignColumnName;
if (count($foreignKeysToForeignTable) > 1) {
// several self-referential foreign keys
$relCol .= array_search($fk, $foreignKeysToForeignTable);
}
} elseif (count($foreignKeysToForeignTable) > 1 || count($fk->getForeignTable()->getForeignKeysReferencingTable($fk->getTableName())) > 0) {
// several foreign keys to the same table, or symmetrical foreign key in foreign table
$relCol .= $localColumn->getPhpName();
}
}
if (!empty($relCol)) {
$relCol = 'RelatedBy' . $relCol;
}
return $relCol;
}
