User-Controller.rb

class UsersController < ApplicationController

  before_action :find_course, only: [:show, :edit, :update, :destroy]
  
  def index
    @users = User.all
  end

  def show
    # find_user
  end

  def new
    @user = User.new
  end

  def create
    @user = User.new(parameters)
    if @user.save
      redirect_to user_path(@user), notice: 'Se ha creado el usuario.'
    else
      render :new
    end
  end

  def edit
    # find_user
  end

  def update
    if @user.update(parameters)
      redirect_to user_path(@yser), notice: 'Se actualizó el usuario.'
    else
      render :edit
    end
  end

  def destroy
  # find_user
    redirect_to action: :index, alert: 'Se elimino el usuer' if @user.destroy
  end

  private

  def parameters
    params.require(:user).permit(:name, :last_name, :email)
  end

  def find_user
    if User.find_by(id: params[:id])
      @course = User.find(params[:id])
    else
      redirect_to users_path, alert: "No se encontró el usuario"
    end
  end
end