salix/modules/ticket/back/models/ticket-request.js

const LoopBackContext = require('loopback-context');

module.exports = function(Self) {
    require('../methods/ticket-request/filter')(Self);
    require('../methods/ticket-request/deny')(Self);
    require('../methods/ticket-request/confirm')(Self);

    Self.observe('before save', async function(ctx) {
        if (ctx.isNewInstance) {
            const loopBackContext = LoopBackContext.getCurrentContext();
            let filter = {where: {userFk: loopBackContext.active.accessToken.userId}};
            let worker = await Self.app.models.Worker.findOne(filter);

            ctx.instance.requesterFk = worker.id;
        }
    });
};