cssd-back/app/Http/Controllers/Api/Auth/RegisterController.php

<?php

namespace App\Http\Controllers\Api\Auth;

use App\Http\Controllers\Controller;
use App\User;
use Illuminate\Http\Request;
use Packages\Messaging\src\Facades\MessageResponse;

class RegisterController extends Controller
{
    /**
     * Register the given user.
     *
     * @param \Illuminate\Http\Request $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function register(Request $request)
    {
        if (auth('api')->user()->cant('store', User::class)) {
            return MessageResponse::error(trans('messages.failed'));
        }
        $this->validate($request, $this->rules(), $this->validationErrorMessages());

        $user = new User();
        $user->name = $request->name;
        $user->country_code = $request->country_code;
        $user->cell_number = $request->cell_number;
        $user->gender = $request->gender;
        $user->medical_center_id = $request->medical_center_id;
        $user->password = bcrypt($request->password);
        $user->save();
        $user->assignRole('User');
        return response()->json($user, 200);
    }

    /**
     * Get the user registration validation rules.
     *
     * @return array
     */
    protected function rules()
    {
        return [
            'name' => 'required|string|max:80',
            'cell_number' => 'required|unique:users',
            'password' => 'required|min:6',
            'medical_center_id' => 'required|exists:medical_centers,id',
        ];
    }

    /**
     * Get the user registration validation error messages.
     *
     * @return array
     */
    protected function validationErrorMessages()
    {
        return [];
    }
}