function shareCard(req,res){

var SharedCard = new Promise((resolve,reject) => {
    console.log(1);
    resolve(2)
})
.then(element => {
    console.log(element)
    return(3)
})
.then(element => {
    console.log(element)
    return "Salida"
})
.catch((e)=>{
    res.status(500).send({ err: e});
 });

res.status(200).send({Hola : "Hola"})
}

function shareCard(req,res){
let idUserSender = req.user._id;

var SharedCard = new Promise((resolve,reject) => {
    console.log(1);
    resolve(2)
})
.then(element => {
    User.findById(idUserSender,(err,userFound) => {
        if (err) {
            reject(err)
        } else {
            console.log(element)
            return(3)
        }
    })
})
.then(element => {
    console.log(element)
    return "Salida"
})
.catch((e)=>{
    res.status(500).send({ err: e});
 });

res.status(200).send({Hola : "Hola"})
}