education-project/app/Http/Requests/JournalRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class JournalRequest extends ApiFormRequest
{
    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'student_id' => 'required|integer',
            'teacher_id' => 'required|integer',
            'subject_id' => 'required|integer',
            'score' => 'required|integer',
            'comment' => 'string|nullable',
            'date' => 'integer',
        ];
    }
}