opnform/app/Http/Controllers/Auth/RegisterController.php

<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Models\Workspace;
use App\Models\User;
use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Foundation\Auth\RegistersUsers;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;
use Illuminate\Validation\Rule;

class RegisterController extends Controller
{
    use RegistersUsers;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest');
    }

    /**
     * The user has been registered.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \App\User  $user
     * @return \Illuminate\Http\JsonResponse
     */
    protected function registered(Request $request, User $user)
    {
        if ($user instanceof MustVerifyEmail) {
            return response()->json(['status' => trans('verification.sent')]);
        }

        return response()->json($user);
    }

    /**
     * Get a validator for an incoming registration request.
     *
     * @param  array  $data
     * @return \Illuminate\Contracts\Validation\Validator
     */
    protected function validator(array $data)
    {
        return Validator::make($data, [
            'name' => 'required|max:255',
            'email' => 'required|email:filter|max:255|unique:users',
            'password' => 'required|min:6|confirmed',
            'hear_about_us' => 'required|string',
            'agree_terms' => ['required',Rule::in([true])]
        ],[
            'agree_terms' => 'Please agree with the terms and conditions.'
        ]);
    }

    /**
     * Create a new user instance after a valid registration.
     *
     * @param  array  $data
     * @return \App\User
     */
    protected function create(array $data)
    {
        $workspace = Workspace::create([
            'name' => 'My Workspace',
            'icon' => '🧪',
        ]);

        $user = User::create([
            'name' => $data['name'],
            'email' => strtolower($data['email']),
            'password' => bcrypt($data['password']),
            'hear_about_us' => $data['hear_about_us']
        ]);

        // Add relation with user
        $user->workspaces()->sync([
            $workspace->id => [
                'role' => 'admin'
            ]
        ], false);

        return $user;
    }
}