tethys.backend/app/Validators/UpdateUserValidator.ts

import { schema, CustomMessages, rules } from '@ioc:Adonis/Core/Validator';
import type { HttpContextContract } from '@ioc:Adonis/Core/HttpContext';
// import { Request } from '@adonisjs/core/build/standalone';

export default class UpdateUserValidator {
	protected ctx: HttpContextContract;
	public schema;

	constructor(ctx: HttpContextContract) {
		this.ctx = ctx;
		this.schema = this.createSchema();
	}

	// public get schema() {
	//     return this._schema;
	// }

	private createSchema() {
		return schema.create({
			login: schema.string({ trim: true }, [
				rules.minLength(3),
				rules.maxLength(50),
				rules.unique({
					table: 'accounts',
					column: 'login',
					// whereNot: { id: this.refs.id }
					whereNot: { id: this.ctx?.params.id },
				}),
				// rules.regex(/^[a-zA-Z0-9-_]+$/),
				//Must be alphanumeric with hyphens or underscores
			]),
			email: schema.string({}, [
				rules.email(),
				rules.unique({ table: 'accounts', column: 'email', whereNot: { id: this.ctx?.params.id } }),
			]),
			password: schema.string.optional([rules.confirmed(), rules.minLength(6)]),
			roles: schema.array.optional([rules.minLength(1)]).members(schema.number()), // define at least one role for the new user
		});
	}

	/*
	 * Define schema to validate the "shape", "type", "formatting" and "integrity" of data.
	 *
	 * For example:
	 * 1. The username must be of data type string. But then also, it should
	 *    not contain special characters or numbers.
	 *    ```
	 *     schema.string({}, [ rules.alpha() ])
	 *    ```
	 *
	 * 2. The email must be of data type string, formatted as a valid
	 *    email. But also, not used by any other user.
	 *    ```
	 *     schema.string({}, [
	 *       rules.email(),
	 *       rules.unique({ table: 'users', column: 'email' }),
	 *     ])
	 *    ```
	 */

	// public refs = schema.refs({
	// 	id: this.ctx.params.id
	// })

	// public schema = schema.create({
	// 	login: schema.string({ trim: true }, [
	// 		rules.minLength(3),
	// 		rules.maxLength(50),
	// 		rules.unique({
	//     table: 'accounts',
	//     column: 'login',
	// 	// whereNot: { id: this.refs.id }
	//     whereNot: { id: this.ctx?.params.id },
	//   }),
	// 		// rules.regex(/^[a-zA-Z0-9-_]+$/),
	//   //Must be alphanumeric with hyphens or underscores
	// 	]),
	// 	email: schema.string({}, [rules.email(), rules.unique({ table: 'accounts', column: 'email' })]),
	// 	password: schema.string.optional([rules.confirmed(), rules.minLength(6)]),
	// 	roles: schema.array([rules.minLength(1)]).members(schema.number()), // define at least one role for the new user
	// });

	/**
	 * Custom messages for validation failures. You can make use of dot notation `(.)`
	 * for targeting nested fields and array expressions `(*)` for targeting all
	 * children of an array. For example:
	 *
	 * {
	 *   'profile.username.required': 'Username is required',
	 *   'scores.*.number': 'Define scores as valid numbers'
	 * }
	 *
	 */
	public messages: CustomMessages = {
		'minLength': '{{ field }} must be at least {{ options.minLength }} characters long',
		'maxLength': '{{ field }} must be less then {{ options.maxLength }} characters long',
		'required': '{{ field }} is required',
		'unique': '{{ field }} must be unique, and this value is already taken',
		'confirmed': '{{ field }} is not correct',
		'roles.minLength': 'at least {{ options.minLength }} role must be defined',
		'roles.*.number': 'Define roles as valid numbers',
	};
}