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

const UserError = require('vn-loopback/util/user-error');
const LoopBackContext = require('loopback-context');

module.exports = Self => {
    require('../methods/ticket-weekly/filter')(Self);

    Self.rewriteDbError(function(err) {
        if (err.code === 'ER_DUP_ENTRY')
            return new UserError(`This ticket is already on weekly tickets`);
        return err;
    });

    Self.observe('after save', async ctx => {
        const loopBackContext = LoopBackContext.getCurrentContext();
        const httpCtx = {req: loopBackContext.active};
        const httpRequest = httpCtx.req.http;
        await Self.app.models.Ticket.setDeleted(httpRequest, ctx.instance.ticketFk, ctx.options);
    });
};