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;
        let app = require('../../server/server'); 
        let Employee = app.models.Employee;
        Employee.findOne({where: {userFk: userId}}, function (err, user){
            if (user) {
                ctx.instance.employeeFk = user.id;
                next();
            }
        });
    });
};