osb/app/Http/Controllers/OrderController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\Validator;
use Illuminate\Database\Eloquent\Model;

use App\Mail\OrderRequest;
use App\Models\{Account,Product,Rtm,Service,User};

class OrderController extends Controller
{
	// @todo To check
	public function submit(Request $request)
	{
		Validator::make($request->all(),
				[
					'product_id'=>'required|exists:products,id'
				]
			)
			// Reseller
			->sometimes(
				'account_id',
				'required|email',
				fn($input)=>is_null($input->account_id) && is_null($input->order_email_manual)
			)
			// Un-Authed User
			->sometimes(
				'order_email_manual',
				'required|email|unique:users,email,NULL,id',
				fn($input)=>(is_null($input->order_email_manual) && (! isset($input->account_id))) || $input->order_email_manual
			)
			// Authed User
			->sometimes(
				'account_id',
				'required|email',
				fn($input)=>is_null($input->account_id) && (! isset($input->order_email_manual))
			)
			->validate();

		// Check the plugin details.
		$po = Product::findOrFail($request->input('product_id'));

		// Check we have the custom attributes for the product
		$order = $po->orderValidation($request);

		if ($request->input('order_email_manual')) {
			$uo = User::firstOrNew(['email'=>$request->input('order_email_manual')]);

			// If this is a new client
			if (! $uo->exists) {
				// @todo Make this automatic
				$uo->site_id = config('site')->site_id;
				$uo->active = FALSE;
				$uo->firstname = '';
				$uo->lastname = '';
				$uo->country_id = config('site')->country_id; // @todo This might be wrong
				$uo->parent_id = Auth::id() ?: 1; // @todo This should be configured to a default user
				$uo->language_id = config('site')->language_id; // @todo This might be wrong
				$uo->active = 1;
				$uo->save();
			}
		}

		// If we have a new account.
		if (is_null($request->input('account_id'))) {
			$ao = new Account;
			// @todo Make this automatic
			$ao->site_id = config('site')->site_id;
			$ao->country_id = config('site')->country_id; // @todo This might be wrong
			$ao->active = 1;
			$uo->accounts()->save($ao);

		} else {
			$ao = Account::findOrFail($request->input('account_id'));
		}

		$so = new Service;

		// @todo Make this automatic
		$so->site_id = config('site')->site_id;
		$so->product_id = $po->id;
		$so->order_status = 'ORDER-SUBMIT';
		$so->ordered_by = Auth::id();
		$so->active = FALSE;
		$so->model = $order ? get_class($order) : NULL;
		$so->recur_schedule = $po->billing_interval;

		if ($order && $order->order_info) {
			$so->order_info = $order->order_info;

			unset($order->order_info);
		}

		$so = $ao->services()->save($so);

		if ($order instanceOf Model) {
			$order->service_id = $so->id;
			$order->save();
		}

		$ro = Rtm::where('parent_id',NULL)->sole();

		Mail::to($ro->owner->email)
			->queue((new OrderRequest($so,$request->input('options.notes') ?: ''))->onQueue('email')); //@todo Get email from DB.

		return view('theme.frontend.metronic.order_received')
			->with('o',$so);
	}
}