Add Feature: On-site modal checkout #26

adiled · 2019-04-10T16:09:14Z

Feature works by switching the external redirect at checkout to btcpay.showInvoice call

Expected flow

If activated in settings

On clicking Proceed to Checkout button, payment modal pops up
If modal is closed before completing payment, checkout page is reloaded
If payment is made and modal is closed, the page redirects as it would in external server checkout page.

4/2019 Changelog

~~Include btcpay.js script in assets/js~~
Enqueue btcpay.js script
Add wp-ajax custom endpoint for retrieving order status in context of btcpay invoice
Enqueue script for appropriately handling modal close using btcpay.onModalWillLeave and custom wp-ajax endpoint
Add wp settings based checkbox[yes,no] option to btcpay settings page for feature toggle

Please excuse the bulky commit, I had made the changes in distribution build and then ported to repo.

Credits to @astupidmoose for sponsoring and live testing

NicolasDorier · 2019-04-10T16:20:22Z

Awesome, I know that @astupidmoose worked on it also.

However, I think you should remove the btcpay.js from here and instead cross reference the one configured on the btcpayserver configured for the store. By doing so, you don't need to use setApiUrlPrefix at all. Also, bug fixes on btcpayserver will not need to make a new plugin version.

Kukks

Thanks for the PR :) In the future try and avoid formatting the files differently as it causes the diff to be harder to read.

Kukks · 2019-04-10T16:11:03Z

src/assets/js/btcpay.js

@@ -0,0 +1,135 @@
+/* jshint browser: true, strict: false, maxlen: false, maxstatements: false */


You don't need to include this file here. Each btcpay host ships with this js file e.g. https://btcpay.kukks.org/modal/btcpay.js

Kukks · 2019-04-10T16:17:49Z

src/class-wc-gateway-btcpay.php

+function enqueue_modal_js()
+{
+    $ajax_url = admin_url( 'admin-ajax.php' );
+    wp_enqueue_script( 'btcpay-modal', plugin_dir_url( __FILE__ ) . 'assets/js/btcpay.js', array( 'jquery' ), null, false );


use remote btcpay script file

Kukks · 2019-04-10T16:21:06Z

src/class-wc-gateway-btcpay.php

+    wp_enqueue_script( 'btcpay-modal', plugin_dir_url( __FILE__ ) . 'assets/js/btcpay.js', array( 'jquery' ), null, false );
+
+    wp_add_inline_script( 'btcpay-modal',
+        "btcpay.setApiUrlPrefix('".get_option('woocommerce_btcpay_url')."')


You do not need this if you load the script remotely.

astupidmoose · 2019-04-10T16:25:48Z

I could be wrong as I didn't actually code it, but I think it was required to bring in the btcpay.js for the closing and redirection functionality. Else, that functionality would be needed to be added into btcpay.js in the master repo.

When calling it remotely, the window was not closing properly and would not redirect on payment success.

rockstardev · 2019-04-10T17:15:06Z

Hey @astupidmoose what we talked about doesn't apply here. It is really design question - do we want separate btcpay.js as part of woocommerce plugin or we should keep that modal file in BTCPayServer repository.

I discussed with Mike about us providing paid event... right now the way modal library works is that it only provides close event and then on clientside you should query server and ensure invoice is paid before redirecting.

adiled · 2019-04-10T17:19:32Z

@Kukks @NicolasDorier

btcpay.js is indeed a redundancy that I missed documenting while my review. I have exposed a function in it to retrieve id of the invoice being shown, which for the purpose @astupidmoose pointed out, enables the status checking of order without making cross origin requests. Would you suggest a PR on btcpayserver? I suppose that would cause a btcpayserver version dependency for the feature though.

rockstardev · 2019-04-10T17:22:05Z

I think we should have paid event in btcpay.js... then after redirection merchant can server-side verify that invoice is paid before confirming order. We just leave comment in JS library to ensure that people don't auto-ship orders on Javascript events that can easily be faked.

Kukks · 2019-04-10T17:31:28Z

@m-adilshaikh You can print the invoice id as a js var as well though which would give you global access and not require you to depend on that event to give you the id

adiled · 2019-04-10T17:48:27Z

@Kukks Yes I was expecting to enqueue order details but the flow is boxed up with WC Gateway API, the request goes async and response is handled by checkout.js I believe, couldn't figure where to intercept.

adiled · 2019-04-10T17:52:01Z

@Kukks Actually I just realized I am already calling a js function as redirect... I will look into this.

NicolasDorier · 2019-04-11T01:17:29Z

So do we need to modify btcpay.js on btcpayserver to make things simpler?

adiled · 2019-04-12T17:24:04Z

@NicolasDorier Not required after d76a23d

astupidmoose · 2019-04-13T03:57:56Z

@m-adilshaikh I can't get this latest PR to install.

Parse error: syntax error, unexpected '}', expecting ';' in /var/www/html/wp-content/plugins/woocommerce-btcpay/class-wc-gateway-btcpay.php on line 628

astupidmoose · 2019-04-14T16:35:10Z

Tried installing now

Plugin could not be activated because it triggered a fatal error.

End up getting this error:
Fatal error: Uncaught Exception: The BTCPay payment plugin was not installed correctly or the files are corrupt. Please reinstall the plugin. If this message persists after a reinstall, contact the BTCPay team through http://slack.btcpayserver.org with this message. in /var/www/html/wp-content/plugins/btcpay-for-woocommerce/class-wc-gateway-btcpay.php:35 Stack trace: #0 /var/www/html/wp-admin/includes/plugin.php(2050): include() #1 /var/www/html/wp-admin/plugins.php(175): plugin_sandbox_scrape('btcpay-for-wooc...') #2 {main} thrown in /var/www/html/wp-content/plugins/btcpay-for-woocommerce/class-wc-gateway-btcpay.php on line 35

NicolasDorier · 2019-04-17T07:04:15Z

Any idea @m-adilshaikh ?

NicolasDorier · 2019-04-23T07:38:05Z

ping @m-adilshaikh (also need rebase)

Kukks · 2019-05-10T17:01:10Z

What's the status here @m-adilshaikh? Shall we review again? :)

astupidmoose · 2019-05-10T17:07:12Z

I need to check this out again. The original plugin @m-adilshaikh sent me works and is live in production, but I think it somehow re-added the libs and css file that were previously stripped. The updated versions do not work however.

I'm not sure how. I need to setup another test site to check the latest version.

astupidmoose · 2020-07-31T02:57:48Z

This code is pretty old and there was a bunch of flaws with it. I think modal checkout would be useful, but I don't think it's safe to push this PR through.

Not sure why it was "approved"

remove built css file modal checkout: add global variable for invoice id at checkout, use for validation fix get_btcpay_redirect_modal

adiled · 2020-07-31T10:38:53Z

I have rebased and cleaned up the mess of reformatting I made, now I recall this had issues but we were very close, it was pending manual testing, I may have not committed the revisions after review. Perhaps someone can take it from here, I've lost context.

Kukks reviewed Apr 10, 2019

View reviewed changes

astupidmoose mentioned this pull request Apr 12, 2019

Feature Request: Modal invoices for Woocommerce checkout flow #24

Open

adiled force-pushed the master branch from 534cc2c to f41d08d Compare April 24, 2019 14:35

Gambino20k approved these changes Jul 31, 2020

View reviewed changes

add on-site modal checkout feature with toggle option

541e8ce

remove built css file modal checkout: add global variable for invoice id at checkout, use for validation fix get_btcpay_redirect_modal

adiled force-pushed the master branch from f41d08d to 541e8ce Compare July 31, 2020 10:33

adiled marked this pull request as draft July 31, 2020 10:41

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Add Feature: On-site modal checkout #26

Add Feature: On-site modal checkout #26

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adiled commented Jul 31, 2020

		@@ -0,0 +1,135 @@
		/* jshint browser: true, strict: false, maxlen: false, maxstatements: false */

Add Feature: On-site modal checkout #26

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adiled commented Apr 10, 2019 • edited Loading

Expected flow

4/2019 Changelog

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