salix/services/client/common/models/client-observation.js

module.exports = function(Self) {
    Self.validate('text', isEnabled, {message: 'Se debe rellenar el campo de texto'});
    function isEnabled(err) {
        if (!this.text) err();
    }

    Self.observe('before save', function(ctx, next) {
        ctx.instance.created = Date();
        let token = ctx.options.accessToken;
        let userId = token && token.userId;

        Self.app.models.Worker.findOne({where: {userFk: userId}}, (err, user) => {
            if (err) return next(err);
            ctx.instance.workerFk = user.id;
            next();
        });
    });
};