salix/modules/ticket/back/methods/sale/recalculatePrice.js

59 lines
1.7 KiB
JavaScript

const UserError = require('vn-loopback/util/user-error');
module.exports = Self => {
Self.remoteMethodCtx('recalculatePrice', {
description: 'Calculates the price of a sale and its components',
accessType: 'WRITE',
accepts: [{
arg: 'id',
description: 'The sale id',
type: 'number',
required: true,
http: {source: 'path'}
}],
returns: {
type: 'Number',
root: true
},
http: {
path: `/:id/recalculatePrice`,
verb: 'post'
}
});
Self.recalculatePrice = async(ctx, id, options) => {
const models = Self.app.models;
const myOptions = {};
let tx;
if (typeof options == 'object')
Object.assign(myOptions, options);
if (!myOptions.transaction) {
tx = await Self.beginTransaction({});
myOptions.transaction = tx;
}
try {
const sale = await Self.findById(id, null, myOptions);
const isEditable = await models.Ticket.isEditable(ctx, sale.ticketFk, myOptions);
if (!isEditable)
throw new UserError(`The sales of this ticket can't be modified`);
const canEditSale = await models.Sale.canEdit(ctx, [id], myOptions);
if (!canEditSale)
throw new UserError(`Sale(s) blocked, please contact production`);
const recalculation = await Self.rawSql('CALL vn.sale_calculateComponent(?, null)', [id], myOptions);
if (tx) await tx.commit();
return recalculation;
} catch (e) {
if (tx) await tx.rollback();
throw e;
}
};
};