artdanj-api/app/Validators/subscriber/SubscriberStoreValidator.ts

import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
import { rules, schema } from '@ioc:Adonis/Core/Validator'

export default class SubscriberStoreValidator {
  public schema = schema.create({
    email: schema.string({ trim: true }, [
      rules.email(),
      rules.unique({
        table: 'subscribers',
        column: 'email',
      }),
    ]),
  })

  public messages = {
    required: 'The field {{field}} is required',
  }

  constructor(protected ctx: HttpContextContract) {
  }
}