salix/print/report/letter-debtor-nd/index.js

const database = require(`${appPath}/lib/database`);
const reportEngine = require(`${appPath}/lib/reportEngine.js`);
const UserException = require(`${appPath}/lib/exceptions/userException`);

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

        if (!params.clientFk)
            throw new UserException('No client id specified');

        if (!params.companyFk)
            throw new UserException('No company id specified');

        promises.push(reportEngine.toPdf('rpt-letter-debtor', ctx));
        promises.push(this.methods.fetchClient(params.clientFk, params.companyFk));

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

            Object.assign(data, client);
            Object.assign(data, {attachments: [{filename: 'rpt-letter-debtor.pdf', content: stream}]});

            return data;
        });
    },
    created() {
        if (this.locale)
            this.$i18n.locale = this.locale;
    },
    methods: {
        fetchClient(clientFk, companyFk) {
            return database.pool.query(`
                SELECT
                    u.lang locale,
                    c.email recipient,
                    c.dueDay,
                    c.iban,
                    sa.iban,
                    be.name AS bankName
                FROM client c
                    JOIN company AS cny 
                    JOIN supplierAccount AS sa ON sa.id = cny.supplierAccountFk 
                    JOIN bankEntity be ON be.id = sa.bankEntityFk
                    JOIN account.user u ON u.id = c.id
                WHERE c.id = ? AND cny.id = ?`, [clientFk, companyFk]);
        },
    },
    components: {
        'email-header': require('../email-header'),
        'email-footer': require('../email-footer'),
    },
};