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common-clases

v1.1.1

Published

Crea una capa de abstracción para los Router y Controller, también agrega una interfaz de respuesta estandar que no es obligatorio utilizarla.

Downloads

70

Readme

Descripción

Crea una capa de abstracción para los Router y Controller, también agrega una interfaz de respuesta estandar que no es obligatorio utilizarla.

Uso

Primero installar usando npm i common-clases

Router

Importar la dependencia import { Router } from 'common-clases';

Luego extender nuestra clase desde Router

export class MyClassRouter extends Router {
}

Ahora en el constructor de nuestra clase tenemos que pasarle al super el controlador que manejará los endpoints que agreguemos.

 super(myController);

Después de esto podemos agregar las rutas que necesitemos.

    this.router.get("/some-path", this.handler(this.Controller.myFunction));
    this.router.post("/some-path-s", this.handler(this.Controller.myFunctions));

El ejemplo completo quedaría de la siguiente forma:

import { Router } from 'common-clases';

export class MyClassRouter extends Router {

    constructor() {
        super(myController);
        this.router.get("/some-path", this.handler(this.Controller.myFunction));
        this.router.post("/some-path-s", this.handler(this.Controller.myFunctions));
    }
}

Validación de esquemas

Se deben crear esquemas utilizando Joi para ello, importal la función de validación y agregarla a la lista de middlewares pasandole el esquema a validar.

import { schemaValidator } from 'common-clases';
import { requestSchema } from './schemas';

...
this.router.get("/some-path", [schemaValidator(requestSchema)], this.handler(this.Controller.myFunction));

Controller

Importar la dependencia import {Controller} from "common-clases";

Luego extender nuestra clase controller desde Controller.

export class MyController extends Controller {
    
}

El contructor debe recibir request y response (interfaces de express) y pasarselos al super.

    constructor(req: Request, res: Response) {
        super(req, res);
    }

Luego en las funciones puedes obtener datos del request o agregar al response usando this.

    public myFunction() {
        const body = this.req.body;
        return this.res.json({}).send();
    }

Si se quiere utilizar la interfaz por defecto solo es necesario retornar:

    return this.response({payload: {some: ""}});

Esto retorna un JSON con la siguiente estructura:

{
  "status": {
    "code": number,
    "techCode": string,
    "description": string
  },
  "payload": any,
}

El ejemplo completo quedaría de la siguiente forma:

import {Controller} from "common-clases";
import {Request, Response} from "express";

export class MyController extends Controller {
    
    constructor(req: Request, res: Response) {
        super(req, res);
    }

    public myFunction() {
        const body = this.req.body;
        return this.res.json({}).send();
    }
}