import { schema, rules } from '@ioc:Adonis/Core/Validator'; import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'; export default class DelCourseFromUserValidator { constructor(protected ctx: HttpContextContract) {} public schema = schema.create({ student_id: schema.string({}, [rules.exists({ table: 'users', column: 'id' })]), }); public messages = {}; }