Shopier Api

Usage:

``bash
npm install shopier-api
`

#### Create an instance of the Shopier class.

`javascript
import { Shopier } from 'shopier-api'; //CommonJS
const { Shopier } = require('shopier-api') //ES


const shopier = new Shopier('apiKey', 'apiSecret');
`

#### Set the buyer's information.

`javascript
shopier.setBuyer({
buyer_id_nr: '010101',
product_name: 'Balance',
buyer_name: 'Fatih',
buyer_surname: 'Akdoğan',
buyer_email: 'mail@mail.com',
buyer_phone: '05555555555'
});
`

#### Set buyer's billing address.

`javascript
shopier.setOrderBilling({
billing_address: 'Kennedy Caddesi No:2592',
billing_city: 'Istanbul',
billing_country: 'Türkiye',
billing_postcode: '34000'
});
`

#### Set buyer's shipping address.

`javascript
shopier.setOrderShipping({
shipping_address: 'Kennedy Caddesi No:2592',
shipping_city: 'Istanbul',
shipping_country: 'Türkiye',
shipping_postcode: '34000'
});
`

#### How much will the customer pay?

#### For 15₺:

`javascript
const paymentPage = shopier.generatePaymentHTML(15);
`

> This will return the purchase form as html.

#### If we give an example for Express JS:

`javascript
app.get('/pay', (req, res) => {
res.end(paymentPage);
});
`

> Now that we have render the html, a callback will be required after checkout.

`javascript
app.post('/callback', (req, res) => {
const callback = shopier.callback(req.body, 'apiSecret');
});
`

#### If payment was successful, it will return order_id, payment_id, installment.

`
{ order_id: 10592, payment_id: 413449826, installment: 0 }
``