osb/app/Http/Controllers/OrderController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Igaster\LaravelTheme\Facades\Theme;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Validator;
use Illuminate\Database\Eloquent\Model;

use App\Models\{Product,Service};
use App\User;

class OrderController extends Controller
{
	public function index()
	{
		return view('order');
	}

	public function product_order(Product $o)
	{
		Theme::set('metronic-fe');

		return view('widgets.product_order',['o'=>$o]);
	}

	public function product_info(Product $o)
	{
		Theme::set('metronic-fe');

		return view('widgets.product_description',['o'=>$o]);
	}

	public function submit(Request $request)
	{
		Validator::make($request->all(),[
			'product_id'=>'required|exists:ab_product,id',
			])
			->sometimes('order_email','required|email',function($input) use ($request) {
				return ($input->order_email AND ! $input->order_email_manual) OR (! $input->order_email_manual);
			})
			->sometimes('order_email_manual','required|email',function($input) use ($request) {
				return $input->order_email_manual AND ! $input->order_email;
			})->validate();

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

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

		$uo = User::where('email','=',$request->post('order_email') ?: $request->post('order_email_manual'))->firstOrFail();

		$ao = $request->input('account_id')
			? $uo->accounts->where('account_id',$request->input('account_id'))
			: $uo->accounts->first();

		$so = new Service;
		$so->id = Service::NextId();

		// @todo Make this automatic
		$so->site_id = config('SITE_SETUP')->id;
		$so->product_id = $request->post('product_id');
		$so->order_status = 'ORDER-SUBMIT';
		$so->orderby_id = Auth::user()->id;

		if ($options->order_info)
		{
			$so->order_info = $options->order_info;
			unset($options->order_info);
		}

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

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

		return view('order_received',['o'=>$so]);
	}
}