salix/modules/client/back/methods/receipt/balanceCompensationEmail.js

const {Email} = require('vn-print');
const UserError = require('vn-loopback/util/user-error');

module.exports = Self => {
    Self.remoteMethodCtx('balanceCompensationEmail', {
        description: 'Sends the debit balances compensation email with an attached PDF',
        accessType: 'WRITE',
        accepts: [
            {
                arg: 'id',
                type: 'Number',
                required: true,
                description: 'The receipt id',
                http: {source: 'path'}
            }
        ],
        returns: {
            type: ['object'],
            root: true
        },
        http: {
            path: '/:id/balance-compensation-email',
            verb: 'POST'
        }
    });

    Self.balanceCompensationEmail = async(ctx, id) => {
        const models = Self.app.models;
        const receipt = await models.Receipt.findById(id, {fields: ['clientFk', 'bankFk']});

        const bank = await models.Accounting.findById(receipt.bankFk);
        if (!bank)
            throw new UserError(`Receipt's bank was not found`);

        const accountingType = await models.AccountingType.findById(bank.accountingTypeFk);
        if (!(accountingType && accountingType.code == 'compensation'))
            throw new UserError(`This receipt was not compensated`);

        const client = await models.Client.findById(receipt.clientFk, {fields: ['email']});

        if (!client.email)
            throw new UserError(`Client's email was not found`);
        else {
            const email = new Email('balance-compensation', {
                lang: ctx.req.getLocale(),
                recipient: client.email + ',administracion@verdnatura.es',
                id
            });
            return email.send();
        }
    };
};