How to find by filed and add amount to another field in mongoose

Question

How to find by filed and add amount to another field in mongoose

I have PlayerModel which looks like ( using mongoose/mongo )

var PlayerModel = new Schema({
    playerUUID : String,
    score : Number
});

and I want to add 20 points to score with playerUUID "1261236237621". How to find and update PlayerModel ? Is possible to update as in sql in one statement ?

node.js
mongodb
mongoose

Answer 1

First find the PlayerModel with the playerUUID you want and then update it, like:

var PlayerModel = new Schema({
  playerUUID : String,
  score : Number
});

var Player = mongoose.model('Player', PlayerModel);

Player.findOne({ playerUUID: "1261236237621" }, function (err, player) {

  if (err) throw new Error(err);
  player.score += 20;
  player.save(function (err, playerResponse) {

    if (err) throw new Error(err);
    // playerResponse is your updated Player
    console.log(playerResponse);
  });
});