salix/print/templates/email/delivery-note/delivery-note.js

const db = require(`${appPath}/lib/database`);
const Component = require(`${appPath}/lib/component`);
const emailHeader = new Component('email-header');
const emailFooter = new Component('email-footer');

module.exports = {
    name: 'delivery-note',
    async asyncData(ctx, params) {
        const promises = [];
        const data = {
            isPreview: ctx.method === 'GET',
        };

        if (!params.ticketFk)
            throw new UserException('No ticket id specified');

        promises.push(reportEngine.toPdf('rpt-delivery-note', ctx));
        promises.push(this.methods.fetchTicket(params.ticketFk));

        return Promise.all(promises).then(result => {
            const stream = result[0];
            const [[ticket]] = result[1];

            Object.assign(data, ticket);
            Object.assign(data, {attachments: [{filename: 'rpt-delivery-note.pdf', content: stream}]});

            return data;
        });
    },
    created() {
        this.locale = 'es';
    },
    methods: {
        fetchTicket(ticketId) {
            return db.findOne(`
                SELECT
                    t.id,
                    u.lang locale,
                    c.email recipient
                FROM ticket t
                    JOIN client c ON c.id = t.clientFk
                    JOIN account.user u ON u.id = c.id
                WHERE t.id = ?`, [ticketId]);
        },
    },
    components: {
        'email-header': emailHeader.build(),
        'email-footer': emailFooter.build()
    },
    props: ['ticketId', 'isPreview']
};