salix/print/templates/reports/balance-compensation/balance-compensation.js

const vnReport = require('../../../core/mixins/vn-report.js');
const app = require('vn-loopback/server/server');

module.exports = {
    name: 'balance-compensation',
    mixins: [vnReport],
    async serverPrefetch() {
        this.receipt = await app.models.Receipt.findOne({
            fields: ['amountPaid', 'payed', 'clientFk', 'companyFk', 'description'],
            include: [
                {
                    relation: 'client',
                    scope: {
                        fields: ['name', 'street', 'fi', 'city'],
                    }
                }, {
                    relation: 'supplier',
                    scope: {
                        fields: ['name', 'street', 'nif', 'city'],
                    }
                }
            ],
            where: {id: this.id}
        });
        this.client = this.receipt.client();
        this.company = this.receipt.supplier();

        this.checkMainEntity(this.receipt);
    },
    props: {
        id: {
            type: Number,
            required: true,
            description: 'The receipt id'
        }
    }
};