salix/services/mailer/application/template/payment-update/payment-update.js

var path = require('path');
var database = require(path.join(__dirname, '../../database.js'));
var format = require(path.join(__dirname, '../../util/format.js'));

module.exports = class PaymentUpdate {
    getData(params, cb) {
        let query = `SELECT 
                        pm.id payMethodFk,
                        pm.name payMethodName,
                        c.dueDay,
                        c.iban,
                        LOWER(ct.code) countryCode,
                        c.email recipient
                    FROM client c
                        JOIN payMethod pm ON pm.id = c.paymentMethodFk
                        JOIN country ct ON ct.id = c.countryFk
                    WHERE c.id = ?`;
        database.pool.query(query, [params.recipient], (error, result) => {
            if (error || result.length == 0)
                return cb(new Error('No template data found'));

            Object.assign(this, result[0]);
            cb();
        });
    }

    get paymentDay() {
        if (this.payMethodFk != 5) 
            return `<div>${this._.paymentDay}: <strong style="font-size: 16px">${this.dueDay} ${this._.everyMonth}</strong></div>`;
    }

    get paymentAdvice() {
        switch (this.payMethodFk) {
            case 4:
                return `${this._.accountPaymentAdviceBefore} ${format.partialAccountAddress(this.iban)} ${this._.accountPaymentAdviceAfter}`;
            case 5:
                return this._.cardPaymentAdvice;
        }
    }
};