1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
---
import env from '$lib/env';
import type Price from '$types/Price';
interface Props {
successPageUrl: string;
productDescription: string;
shortDescription: string;
totalPrice: Price;
}
const { successPageUrl, productDescription, shortDescription, totalPrice } = Astro.props;
const PAYPAL_CLIENT_ID =
env.ENVIRONMENT === 'prod' ? env.PAYPAL_LIVE_CLIENT_ID : env.PAYPAL_SANDBOX_CLIENT_ID;
---
<subscription-paypal-buttons
data-paypal-client-id={PAYPAL_CLIENT_ID}
data-success-page-url={successPageUrl}
data-failure-page-url={failurePageUrl}
>
<div id="paypal-button-container"></div>
</subscription-paypal-buttons>
<script>
import { PayPalNamespace, loadScript } from '@paypal/paypal-js';
const backendUrl = '/api';
class ProductPayPalButtons extends HTMLElement {
constructor() {
super();
const paypalClientId = this.getStringDataAttribute('paypalClientId');
const paypalOptions = {
clientId: paypalClientId,
locale: 'en_GB',
commit: false,
currency: 'GBP',
intent: 'capture',
};
loadScript(paypalOptions)
.catch((err) => {
throw new Error('Failed to load the PayPal JS SDK script. ', err);
})
.then((paypal) => {
const constructButtons = paypal?.Buttons;
if (paypal && constructButtons) {
const successPageUrl = this.dataset['successPageUrl'] ?? '.';
this.makePaypalButtons(constructButtons, successPageUrl).render(
'#paypal-button-container'
);
}
});
}
makePaypalButtons(
constructButtons: Required<PayPalNamespace>['Buttons'],
successPageUrl: string
) {
// TODO: figure out where subscriptionId is coming from! Probably it’s going to be
// generated by PayPal on the backend, and you don’t want it here at all.
// TODO: get emailAddress from user session.
return constructButtons({
async createSubscription() {
try {
const response = await fetch("/api/create-subscription", {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({ subscriptionId, emailAddress }),
});
const data = await response.json();
if (data?.id) {
console.info('Subscription successful. Redirecting to confirmation page...');
window.location.href = successPageUrl;
return data.id;
} else {
console.error(
{ callback: "createSubscription", serverResponse: data },
JSON.stringify(data, null, 2),
);
console.info('Redirecting to failure page...');
window.location.href = failurePageUrl;
}
} catch (error) {
console.error('Redirecting to failure page, because of an error creating a subscription.' error);
window.location.href = failurePageUrl;
}
},
}).render("#paypal-button-container"); // Renders the PayPal button
}
getStringDataAttribute(key: string): string {
const value = this.dataset[key];
if (!value || typeof value !== 'string') {
throw new Error(`data-${key} attribute not provided to ProductPayPalButtons component.`);
}
return value;
}
}
customElements.define('product-paypal-buttons', ProductPayPalButtons);
</script>
|