salix/print/templates/reports/entry-order/entry-order.js

const Component = require(`vn-print/core/component`);
const reportBody = new Component('report-body');
const reportHeader = new Component('report-header');
const reportFooter = new Component('report-footer');

module.exports = {
    name: 'entry-order',
    async serverPrefetch() {
        this.supplier = await this.fetchSupplier(this.id);
        this.entry = await this.fetchEntry(this.id);
        this.buys = await this.fetchBuys(this.id);

        if (!this.entry)
            throw new Error('Something went wrong');
    },
    data() {
        return {totalBalance: 0.00};
    },
    methods: {
        fetchSupplier(id) {
            return this.findOneFromDef('supplier', [id]);
        },
        fetchEntry(id) {
            return this.findOneFromDef('entry', [id]);
        },
        fetchBuys(id) {
            return this.rawSqlFromDef('buys', [id]);
        },
        getTotal() {
            let total = 0.00;
            this.buys.forEach(buy => {
                total += buy.quantity * buy.buyingValue;
            });

            return total;
        }
    },
    components: {
        'report-body': reportBody.build(),
        'report-header': reportHeader.build(),
        'report-footer': reportFooter.build()
    },
    props: {
        id: {
            type: Number,
            required: true,
            description: 'The entry id'
        }
    }
};