salix/modules/invoiceOut/back/models/invoice-out.js

const print = require('vn-print');

module.exports = Self => {
    require('../methods/invoiceOut/filter')(Self);
    require('../methods/invoiceOut/summary')(Self);
    require('../methods/invoiceOut/getTickets')(Self);
    require('../methods/invoiceOut/download')(Self);
    require('../methods/invoiceOut/downloadZip')(Self);
    require('../methods/invoiceOut/delete')(Self);
    require('../methods/invoiceOut/book')(Self);
    require('../methods/invoiceOut/createPdf')(Self);
    require('../methods/invoiceOut/createManualInvoice')(Self);
    require('../methods/invoiceOut/clientsToInvoice')(Self);
    require('../methods/invoiceOut/invoiceClient')(Self);
    require('../methods/invoiceOut/refund')(Self);
    require('../methods/invoiceOut/invoiceEmail')(Self);
    require('../methods/invoiceOut/exportationPdf')(Self);
    require('../methods/invoiceOut/invoiceCsv')(Self);
    require('../methods/invoiceOut/invoiceCsvEmail')(Self);
    require('../methods/invoiceOut/invoiceOutPdf')(Self);
    require('../methods/invoiceOut/getInvoiceDate')(Self);
    require('../methods/invoiceOut/negativeBases')(Self);
    require('../methods/invoiceOut/negativeBasesCsv')(Self);

    Self.makePdf = async function(id, options) {
        let tx;
        const myOptions = {};

        if (typeof options == 'object')
            Object.assign(myOptions, options);

        if (!myOptions.transaction) {
            tx = await Self.beginTransaction({});
            myOptions.transaction = tx;
        }

        const fields = ['id', 'hasPdf', 'ref', 'issued'];
        const invoiceOut = await Self.findById(id, {fields}, myOptions);
        const invoiceReport = new print.Report('invoice', {
            reference: invoiceOut.ref
        });
        const buffer = await invoiceReport.toPdfStream();

        const issued = invoiceOut.issued;
        const year = issued.getFullYear().toString();
        const month = (issued.getMonth() + 1).toString();
        const day = issued.getDate().toString();

        const fileName = `${year}${invoiceOut.ref}.pdf`;

        // Store invoice

        await invoiceOut.updateAttributes({
            hasPdf: true
        }, myOptions);

        if (process.env.NODE_ENV !== 'test') {
            await print.storage.write(buffer, {
                type: 'invoice',
                path: `${year}/${month}/${day}`,
                fileName: fileName
            });
        }
    }
};