/**
* Syncs all available migration files with the database
*
* @chainable
* @return Minion_Migration_Manager Chainable instance
*/
public function sync_migration_files()
{
// Get array of installed migrations with the id as key
$installed = $this->_model->installed_migrations();
$available = $this->_model->available_migrations();
$all_migrations = array_merge(array_keys($installed), array_keys($available));
foreach ($all_migrations as $migration) {
// If this migration has since been deleted
if (isset($installed[$migration]) and !isset($available[$migration])) {
// We should only delete a record of this migration if it does
// not exist in the "real world"
if ($installed[$migration]['applied'] === '0') {
$this->_model->delete_migration($installed[$migration]);
}
} elseif (!isset($installed[$migration]) and isset($available[$migration])) {
$this->_model->add_migration($available[$migration]);
} elseif ($installed[$migration]['description'] !== $available[$migration]['description']) {
$this->_model->update_migration($installed[$migration], $available[$migration]);
}
}
return $this;
}
