Andrés Ucero's questions

I have an API in Node, to which I want to communicate from the front using React. The thing is, when logging in from the front (with the correct credentials, tested in Postman) I get the following response (instead of the token):

Response {type: "cors", url: "http://localhost:3001/api/auth/login", redirected: false, status: 200, ok: true, …}
body: (...)
bodyUsed: true
headers: Headers {}
ok: true
redirected: false
status: 200
statusText: "OK"
type: "cors"
url: "http://localhost:3001/api/auth/login"

**API code:

index.js:

const express = require('express');
const app = express();
const cors = require('cors');

//Config
app.set('port', 3001)

//Middlewares
app.use(express.json());
app.use(cors());

//Routes
app.use(require('./routes/users'));
app.use(require('./routes/auth'));
app.use(require('./routes/tickets'));

//Server
app.listen(app.get('port'), () =>{
    console.log('Server listen on port', app.get('port'));
})

What am I doing wrong?

Very good, I have a crud of administrators in angular 9, which makes requests to an API, when deleting an admin, a confirmation modal is displayed, when accepting, the admin is successfully deleted, but I have to refresh the screen so that it is can observe the changes, the information travels in the following way:

index -> admin-card -> delete-modal

in the index.ts I have the following:

  constructor(private adminService: AdminService) {
    this.adminService.readAdmin()
    .subscribe(
        response =>{
            this.adminsLoading=false; 
            this.adminList=response;
        });
  }

That 'adminList' is an array that is passed to the child component (admin-card) in the index view, example (index.html):

<div *ngFor="let admins of adminList" fxFlex="32" fxFlex.lt-md="100" fxFlex.lt-sm="100">
    <app-admin-card [admin]="admins" class="mat-elevation-z2"></app-admin-card>
</div>

Then, in the admin-card component, the 'admin.id' (from the admin-card.html) is sent to the modal to remove the admin. This is the method I have in admin-card.ts:

 openDeleteDialog() {
        const dialogRef = this.dialog.open(DeleteModalComponent,{
        data: {
          adminData: this.admin
        }
      });

Later, the info is sent to the modal which has two buttons (cancel and confirm), when clicking on confirm, deleteAdmin() is executed, I attach the function code:

  deleteAdmin(){
    let id = this.data.adminData.id;
    let password = this.firstFormGroup.value.pass;
    this.adminService.deleteAdmin(id, password)
    .subscribe(
      response => {
        console.log(response)
        this.closeDialog();
        this.snackBar.open(
          'Administrador eliminado satisfactoriamente', 'Cerrar', {
            duration: 3000
          })
      },
      error => {
        console.log(error)
        this.closeDialog();
        this.snackBar.open(
          'Se ha producido un error', 'Cerrar', {
            duration: 3000
          })
      }
      );
  }

and finally, I attach the code of the function that makes the request to the API to remove the admin (admin.service.ts):

deleteAdmin(id: number, password){
    return this.http.delete(environment.url+'/admins/'+id, password);
}

I am using Devise, when submitting the data from the form (user registration), I inspect the parameters in the controller with

 render plain: params.inspect 

and I get the following as a result:

<ActionController::Parameters {"utf8"=>"✓", "authenticity_token"=>"H2rNXQCfedwIKrKNtaNQlTGU+EyENNKvR57qYz5qzpggiu4xd3TE4QCdEsPYcq97mEe0FLcBHwhNQQvT15hlzw==", "user"=>{"nombre"=>"test5", "apellido"=>"", "cargo"=>"", "telefono"=>"", "email"=>"[email protected]", "direccion"=>"", "contrato"=>"123", "compania"=>"", "password"=>"123123", "password_confirmation"=>"123123", "user_type"=>"Cliente"}, "commit"=>"Guardar", "controller"=>"registrations", "action"=>"create"} permitted: false>

Now if I want to access the contract, doing the following

 render plain: params[:contrato].inspect

I get a beautiful:

nil 

Does anyone know what the heck is going on here?

I am using Devise, I want to bring a data from the user registration form to later make a query in the DB to see if it exists, when executing the validation I never receive the value of params[:contract]. Here is the code of my controller (the one in charge of validation):

class RegistrationsController < Devise::RegistrationsController
  def create
    validate_code
  end

  private

  def validate_code
    # Agrega tu lógica de validación de código aquí.
    if !Contrato.exists?(codigo: params[:contrato])
        flash[:notice] = 'El código de contrato no existe'
        redirect_to '/users/sign_up'
    else
        @cliente = User.new(usuario_params)
        @cliente.save
        flash[:notice] = 'Usuario creado exitosamente'
        redirect_to '/'
    end
  end

  def usuario_params
        params.require(:user).permit(:nombre,:apellido,:cargo,:telefono,:direccion,:contrato,:compania,:fluido,:solido,:ambiente,:email,:password,:password_confirmation,:user_type)
  end
end

and this is a portion of the registration form (new.html.erb)

  <div class="field">
    <%= f.label :contrato %><br />
    <%= f.text_field :contrato, autofocus: true, autocomplete: "contrato" %>
  </div>

As can be seen in the image, if we locate ourselves in the console, in the query to be more specific, there is not the value that it should receive in params[:contract]

Any suggestion?

In order for users to register in the system, the administrator must grant them a code that is registered in the DB in the 'codes' table, then when the user is filling out the registration form, they must enter said code in the "code" field. , excuse the redundancy, and when saving the data I need the system to validate that the code entered by the user coincides with one already registered in the 'codes' table, otherwise it will not be possible to register.

I could do it by querying the DB in the controller before saving the record, the thing is that I'm using Devise for user authentication and registration, and I can't think of anything else... Can someone guide me?

I have the following form:

<%= form_for :user, :url => { :action => :update, :controller => :usuario, :id => current_user.id }, :method => :put do |f| %>
        Nueva encuesta:
        <div style="padding-bottom: 11px;">
            <div class="field">
                <%= f.label :servicio %><br />
                 <%= f.check_box :fluido, {}, "fluido", false%>Servicio de fluidos<br />
                <%= f.check_box :solido, {}, "solido", false %>Servicio de control de sólidos<br />
                <%= f.check_box :ambiente, {}, "ambiente", false %>Servicio Ambiental<br />
              </div>
            <button type="button" class="btn btn-primary">
                 <%= f.submit %>
        </button>
    </div>

and I want to validate the value of the checkboxes to perform certain actions inside the controller, for example:

user_controller.rb:

@usuario = User.find(params[:id])
        if (request[:fluido]=='fluido')
            if @usuario.update_attributes(:fluido => 'fluido')
            redirect_to 'index'
            end
        end
        if (request[:solido]=='solido')
            if @usuario.update_attributes(:solido => 'solido')
            redirect_to 'index'
            end
        end
        if (request[:ambiente]=='ambiente')
            if @usuario.update_attributes(:ambiente => 'ambiente')
            redirect_to 'index'
            end
        end

the problem is that the values ​​of the request object that are being compared in the if are 'nil', that is, they are not returning the form values

I'm working with rails, it happens that when I run my project, I get to the point where I only have to have duplicate values ​​inside the arrays, therefore I have to eliminate the NOT repeated values, for example:

array=[2017,2017,2018,2018,2019]

in this case the value 2019 should be eliminated, since it is not repeated

What I have is the following:

    def saca_no_repetido(array)
        for i in 0...array.length
            if(array[i]!=array[i+1] && array[i+1]!=nil)
                array.delete_at(i)
            end
        end
        return array
    end

I want to introduce a variable in a query, and this generates an error, can someone explain to me what happens?

Here the code:

    #Ordenamos el arreglo menor, de menor a mayor
    @[email protected]
    #Seleccionamos el menor del arreglo menor
    @[email protected](1)
    #Seleccionamos las muestras de cada periodo, la cantidad de muestras viene dada por el valor de la variable @m
    Item.where("periodo=1 AND año='2017'").limit("#{@m}")
    @prueba=[]
    @consultaPrueba.each do |consulta|
        @prueba.push(consulta.ventClient)
    end 

When executing the query I get the following error:

what I want is that the data is NOT sent to the server unless a checkbox is selected. Previously the validation was working correctly, after a while it stopped working, not sure if it's a syntax error.

I have the following HTML:

<form class="form-group" method="post" name="form" onsubmit = "validarCI(event, this);" action="{{ action('ProductoController@store') }}" enctype="multipart/form-data">
@csrf
 <table class="table" >
    @foreach($costoIndirecto as $ci)
     <tr>
      <td>
         <input type="checkbox" name="ci[]" value="{{$ci['id']}}"> {{$ci['nombre']}} - {{$ci['valor']}} Bs
      </td>
     </tr>

    @endforeach
        </table>  
  </form>

and the following code in JavaScript

function validarCI(e) {   
var formulario = document.form;
var ci = false;
for (var i = 0; i < formulario.ci.length; i++) {
  if (formulario.ci[i].checked) {
    ci = true;
  }
}

if (!ci){
  alert ('Debe seleccionar al menos un costo indirecto');
  if (e.preventDefault) {
    e.preventDefault();
  } else {
  e.returnValue = false;
  }
}

}

In my DB I have two tables called 'product' and 'material', I am doing a CRUD for the products and in the 'create' view I extract the list of materials registered in the DB in order to select the amount of materials that were used in the production of a product.

Below is a table which contains a list of checkboxes with the materials, and an input of type number which will record the amount of material used:

 <table class="table">

    @foreach($material as $mat)
    <tr>
    <td style="width: 50%">
<input type="checkbox" id="boxMat" name="mat[]" value="{{$mat['id']}}">{{$mat['nombre']}}
   </td>

     <td style="width: 25%">
        <input class="input-group-text" id="unidadM" type="number" name="unidadM[]" min="0" >
    </td>
    <td style="width: 25%">
       {{$mat['unidad']}}
    </td>
    </tr>

    @endforeach
   </table>

and the following code in JavaScript

for (var i = 0; i < document.getElementsByName("unidadM[]").length; i++) {

  document.getElementByName('mat[]')[i].onchange = function() {
    document.getElementByName('unidadM[]')[i].disabled = !this.checked;
  }

}

What I want is that when loading the 'create' view, the inputs that are next to the checkbox list are disabled, and are enabled only if the corresponding checkbox is selected.