espaco4

class Inviter {
    constructor() {
        // this.groupId = groupId;
        // this.userId = userId;
        this.GruposPool = bookshelf.Model.extend({
            tableName: 'MensageriaExternaGrupoPool'
        });

        bookshelf.transaction((t) => {
            new this.GruposPool().where({disponivel: true}).orderBy('id', 'ASC')
                .fetchAll().then(grupos => {
                    if (grupos.toJSON().length > 0) {
                        let grupo = grupos.last().toJSON();
                        return new this.GruposPool({id: grupo.id})
                            .save({disponivel: false},
                            {transacting: t, patch: true});
                    } else {
                        logger.info('There are no groups available. ' +
                            'Update not executed.');
                    }
                })
                .then((savedModel) => {
                    logger.info('Done!');
                    t.commit(savedModel);
                })
                .catch(error => {
                    logger.info(`Rollback! ${error}`);
                    t.rollback(error);
                });
        });
    }
}