Write a service class that handles saving and sending email then rewrite the store method

CustomerController.php

<?php

namespace App\Http\Controllers;

use App\Http\Requests\StoreCustomerRequest;
use App\Services\CustomerService;

class CustomerController extends Controller
{
    public function store(StoreCustomerRequest $request,CustomerService $customerService)
    {
        $customerService->storeCustomer($request);
        return ['saved' => true];
    }
}

CustomerService.php

<?php 
namespace App\Services;

use App\Mail\WelcomeNewCustomer;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Mail;

class CustomerService
{
    public function storeCustomer($request)
    {
        $customer = DB::table('customers')->insert($request->all());
        Mail::to($request->input('email'))->send(new WelcomeNewCustomer($customer));
        return $customer;
    }
}
?>

StoreCustomerRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class StoreCustomerRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'name' => 'required',
            'email' => 'required'
        ];
    }
}