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var createError = require('http-errors');

var express = require('express');

var path = require('path');

var cookieParser = require('cookie-parser');

var logger = require('morgan');

var indexRouter = require('./routes/index');

var usersRouter = require('./routes/users');

var productsApiRouter = require('./routes/api/products');

var bodyParser = require('body-parser');

// app

var app = express();

// Configurar cabeceras y cors

app.use((req, res, next) => {

res.header('Access-Control-Allow-Origin', '*');

res.header('Access-Control-Allow-Headers', 'Authorization, X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Allow-Request-Method');

res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, DELETE');

res.header('Allow', 'GET, POST, OPTIONS, PUT, DELETE');

next();

});

// middleware

app.use(bodyParser.json());

// view engine setup

app.set('views', path.join(__dirname, 'views'));

app.set('view engine', 'pug');

app.use(logger('dev'));

app.use(express.json());

app.use(express.urlencoded({ extended: false }));

app.use(cookieParser());

app.use(express.static(path.join(__dirname, 'public')));

// routes

app.use('/', indexRouter);

app.use('/users', usersRouter);

app.use('/api/products', productsApiRouter);

// catch 404 and forward to error handler

app.use(function(req, res, next) {

next(createError(404));

});

// error handler

app.use(function(err, req, res, next) {

// set locals, only providing error in development

res.locals.message = err.message;

res.locals.error = req.app.get('env') === 'development' ? err : {};

// render the error page

res.status(err.status || 500);

res.render('error');

});

module.exports = app;