/**
* An application should only have one leaf node more than that means there is an issue somewhere.
*
* @return array
*
* @since 1.1.0
*
* @author Eddilbert Macharia (http://eddmash.com) <*****@*****.**>
*/
public function detectConflicts()
{
$latest = $this->graph->getLeafNodes();
if (count($latest) > 1) {
return $latest;
}
return [];
}
/**
* @param array $changes
* @param Graph $graph
* @param string $migrationName
*
* @return mixed
*
* @since 1.1.0
*
* @author Eddilbert Macharia (http://eddmash.com) <*****@*****.**>
*/
private function _arrangeForGraph($changes, $graph, $migrationName = null)
{
$leaves = $graph->getLeafNodes();
$leaf = empty($leaves) ? '' : $leaves[0];
if (empty($leaf)) {
$migrationNo = 1;
} else {
$migrationNo = $this->getMigrationNumber(Migration::createShortName($leaf)) + 1;
}
/** @var $migration Migration */
foreach ($changes as $index => &$migration) {
// set name for migration
if (empty($leaf)) {
// this mean we don't have previous migrations
$migrationName = $this->suggestName();
} else {
// first set previous as dependency of this
// $migration->requires = [$leaf];
$migration->setDependency($leaf);
$migrationNo = str_pad($migrationNo, 4, '0', STR_PAD_LEFT);
$migrationName = $this->suggestName($migration->getOperations(), $migrationNo);
}
$migration->setName($migrationName);
}
return $changes;
}