ModulesController.php

<?php 
public function store()
{
    $error = null;

    DB::beginTransaction();
    try {

	Module::buildComponent("type1");
    
    	Module::buildComponent("type2");
    
    	Module::buildComponent("type3");

	DB::commit();
	$success = true;
    } catch (\Exception $e) {
	$success = false;
	$error = $e->getMessage();
	DB::rollback();
    }

    if ($success) {
	//success
    }
    //error
}