Mongoose for Application Development

The three-step find-edit-save approach

This approach requires a few more steps and a bit more code than the helper methods but is more fully featured. The save() command accepts only one parameter, a callback function to run once the save has completed. This callback function can pass an error or return the saved object. Look at the following example:

// 1: FIND the record
User.findOne(
  {email : '[e-mail]'},
  function(err, user) {
    if(!err){
      // 2: EDIT the record
      user.name = "Simon";
      // 3: SAVE the record
      user.save(function(err,user){
        console.log('User saved:', user);
      });
    }
  };
);

As you can see there is a bit more code required, and there's also an extra callback level. However, the code remains pretty simple to follow. To make it ...