Shopier Api

Usage:

``bash
npm install @efesoroglu/shopier-api
`

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

`javascript
import Shopier from 'shopier-api'

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

#### Set the buyer's information.
`javascript
shopier.setBuyer({
id: '010101',
product_name: 'Balance',
first_name: 'Fatih',
last_name: 'Akdoğan',
email: 'mail@mail.com',
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.payment(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('/payment/shopier/callback', (req, res) => {
const callback = shopier.callback(req.body);
});
`

#### If payment was successful, it will return success, order_id, payment_id, installment.
`
{ success: true, order_id: 10592, payment_id: 413449826, installment: 0 }
`

#### If payment was not successful, it will return success, message.
`
{ success: false, message: "Payment not completed successfuly." }
``


> Forked from https://github.com/0x178F/shopier-api