From 9e0c20d43e15e93aba1e3c3540b6682e0f3d23a1 Mon Sep 17 00:00:00 2001
From: Patricia Hillebrandt <patriciahillebrandt@gmail.com>
Date: Thu, 16 Feb 2023 11:43:37 +0100
Subject: [PATCH] Create the Add to Cart Form Block
 (https://github.com/woocommerce/woocommerce-blocks/pull/8284)

* Add the initial basis for the Add to Cart button

* Trigger the single product add to cart action for each product type.

* Rename the block from add-to-cart-button to add-to-cart-form

* Update to use the cart icon.

* Implement the skeleton for the editor preview.

* Update styles and add Notice for the display in the Editor.

* Update CSS.

* Add base tests for the new Add to Cart Form component.

* Update the button CSS.

* Update styles for the cart form.

* update td style.

* Update divs and CSS.

* Use conventional input instead of the experimental InputControl

* Implement the new design and copy provided for the editor.

* Make the notice compatible with dark themes.

* Some additional CSS tweaks

* adjust the padding for the input

* Update the icon for the block to match the core icon button
---
 .../js/blocks/add-to-cart-form/block.json     | 11 ++++
 .../js/blocks/add-to-cart-form/edit.tsx       | 51 +++++++++++++++
 .../js/blocks/add-to-cart-form/editor.scss    | 27 ++++++++
 .../js/blocks/add-to-cart-form/index.tsx      | 29 +++++++++
 .../js/blocks/add-to-cart-form/style.scss     |  7 ++
 .../woocommerce-blocks/bin/webpack-entries.js |  1 +
 .../src/BlockTypes/AddToCartForm.php          | 65 +++++++++++++++++++
 .../src/BlockTypesController.php              |  2 +
 .../specs/backend/add-to-cart-form.test.js    | 61 +++++++++++++++++
 9 files changed, 254 insertions(+)
 create mode 100644 plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/block.json
 create mode 100644 plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/edit.tsx
 create mode 100644 plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/editor.scss
 create mode 100644 plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/index.tsx
 create mode 100644 plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/style.scss
 create mode 100644 plugins/woocommerce-blocks/src/BlockTypes/AddToCartForm.php
 create mode 100644 plugins/woocommerce-blocks/tests/e2e/specs/backend/add-to-cart-form.test.js

diff --git a/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/block.json b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/block.json
new file mode 100644
index 00000000000..7d2b45b32a2
--- /dev/null
+++ b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/block.json
@@ -0,0 +1,11 @@
+{
+	"name": "woocommerce/add-to-cart-form",
+	"version": "1.0.0",
+	"title": "Add to Cart form",
+	"description": "Display a button so the customer can add a product to their cart. Options will also be displayed depending on product type. e.g. quantity, variation.",
+	"category": "woocommerce",
+	"keywords": [ "WooCommerce" ],
+	"textdomain": "woo-gutenberg-products-block",
+	"apiVersion": 2,
+	"$schema": "https://schemas.wp.org/trunk/block.json"
+}
diff --git a/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/edit.tsx b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/edit.tsx
new file mode 100644
index 00000000000..8dd20a4c1b1
--- /dev/null
+++ b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/edit.tsx
@@ -0,0 +1,51 @@
+/**
+ * External dependencies
+ */
+import { useBlockProps } from '@wordpress/block-editor';
+import { __ } from '@wordpress/i18n';
+import { Button, Disabled, Notice } from '@wordpress/components';
+/**
+ * Internal dependencies
+ */
+import './editor.scss';
+export interface Attributes {
+	className?: string;
+}
+
+const Edit = () => {
+	const blockProps = useBlockProps( {
+		className: 'woocommerce wc-block-add-to-cart-form',
+	} );
+
+	return (
+		<div { ...blockProps }>
+			<Disabled>
+				<Notice
+					className={ 'wc-block-add-to-cart-form__notice' }
+					status={ 'warning' }
+					isDismissible={ false }
+				>
+					<p>
+						{ __(
+							'Customers will see product add-to-cart options displayed here, dependent on the product type.',
+							'woo-gutenberg-products-block'
+						) }
+					</p>
+				</Notice>
+				<input
+					type={ 'number' }
+					value={ '1' }
+					className={ 'wc-block-add-to-cart-form__quantity' }
+				/>
+				<Button
+					variant={ 'primary' }
+					className={ 'wc-block-add-to-cart-form__button' }
+				>
+					{ __( 'Add to cart', 'woo-gutenberg-products-block' ) }
+				</Button>
+			</Disabled>
+		</div>
+	);
+};
+
+export default Edit;
diff --git a/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/editor.scss b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/editor.scss
new file mode 100644
index 00000000000..a69535e2eb7
--- /dev/null
+++ b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/editor.scss
@@ -0,0 +1,27 @@
+.wc-block-add-to-cart-form {
+	display: flex;
+	flex-direction: row;
+}
+
+.wc-block-add-to-cart-form__notice {
+	margin: 10px 0;
+	color: $black;
+	max-width: 60%;
+}
+input.wc-block-add-to-cart-form__quantity {
+	width: 35px;
+	float: left;
+	padding: 10px 6px 10px 12px;
+	margin-right: 10px;
+	height: 15px;
+}
+
+input[type="number"]::-webkit-inner-spin-button {
+	opacity: 1;
+}
+
+.wc-block-add-to-cart-form__button {
+	float: left;
+	padding: 20px 30px;
+	border-radius: 0;
+}
diff --git a/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/index.tsx b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/index.tsx
new file mode 100644
index 00000000000..7d192b782f4
--- /dev/null
+++ b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/index.tsx
@@ -0,0 +1,29 @@
+/**
+ * External dependencies
+ */
+import { registerBlockType } from '@wordpress/blocks';
+import { Icon, button } from '@wordpress/icons';
+
+/**
+ * Internal dependencies
+ */
+import metadata from './block.json';
+import edit from './edit';
+
+registerBlockType( metadata, {
+	icon: {
+		src: (
+			<Icon
+				icon={ button }
+				className="wc-block-editor-components-block-icon"
+			/>
+		),
+	},
+	attributes: {
+		...metadata.attributes,
+	},
+	edit,
+	save() {
+		return null;
+	},
+} );
diff --git a/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/style.scss b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/style.scss
new file mode 100644
index 00000000000..ba006d7de88
--- /dev/null
+++ b/plugins/woocommerce-blocks/assets/js/blocks/add-to-cart-form/style.scss
@@ -0,0 +1,7 @@
+.woocommerce.wc-block-add-to-cart-form {
+	font-size: inherit;
+}
+
+.woocommerce .wc-block-add-to-cart-form .product .summary {
+	float: left;
+}
diff --git a/plugins/woocommerce-blocks/bin/webpack-entries.js b/plugins/woocommerce-blocks/bin/webpack-entries.js
index 46e0e773b92..3b03f77d997 100644
--- a/plugins/woocommerce-blocks/bin/webpack-entries.js
+++ b/plugins/woocommerce-blocks/bin/webpack-entries.js
@@ -13,6 +13,7 @@ const glob = require( 'glob' );
 // property.
 const blocks = {
 	'active-filters': {},
+	'add-to-cart-form': {},
 	'all-products': {
 		customDir: 'products/all-products',
 	},
diff --git a/plugins/woocommerce-blocks/src/BlockTypes/AddToCartForm.php b/plugins/woocommerce-blocks/src/BlockTypes/AddToCartForm.php
new file mode 100644
index 00000000000..bf45693b1bf
--- /dev/null
+++ b/plugins/woocommerce-blocks/src/BlockTypes/AddToCartForm.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Automattic\WooCommerce\Blocks\BlockTypes;
+
+use Automattic\WooCommerce\Blocks\Utils\StyleAttributesUtils;
+
+/**
+ * CatalogSorting class.
+ */
+class AddToCartForm extends AbstractBlock {
+	/**
+	 * Block name.
+	 *
+	 * @var string
+	 */
+	protected $block_name = 'add-to-cart-form';
+
+	/**
+	 * Render the block.
+	 *
+	 * @param array    $attributes Block attributes.
+	 * @param string   $content Block content.
+	 * @param WP_Block $block Block instance.
+	 *
+	 * @return string | void Rendered block output.
+	 */
+	protected function render( $attributes, $content, $block ) {
+		ob_start();
+
+		while ( have_posts() ) {
+			the_post();
+			global $product;
+			/**
+			 * Trigger the single product add to cart action for each product type.
+			 */
+			do_action( 'woocommerce_' . $product->get_type() . '_add_to_cart' );
+		}
+
+		$product = ob_get_clean();
+
+		if ( ! $product ) {
+			return;
+		}
+
+		$classname          = $attributes['className'] ?? '';
+		$classes_and_styles = StyleAttributesUtils::get_classes_and_styles_by_attributes( $attributes );
+
+		return sprintf(
+			'<div class="woocommerce wc-block-add-to-cart-form %1$s %2$s" style="%3$s"><div class="product type-product"><div class="summary entry-summary">%4$s</div></div></div>',
+			esc_attr( $classes_and_styles['classes'] ),
+			esc_attr( $classname ),
+			esc_attr( $classes_and_styles['styles'] ),
+			$product
+		);
+	}
+
+	/**
+	 * Get the frontend script handle for this block type.
+	 *
+	 * @param string $key Data to get, or default to everything.
+	 */
+	protected function get_block_type_script( $key = null ) {
+		return null;
+	}
+}
diff --git a/plugins/woocommerce-blocks/src/BlockTypesController.php b/plugins/woocommerce-blocks/src/BlockTypesController.php
index 653b766daf2..3aceae34083 100644
--- a/plugins/woocommerce-blocks/src/BlockTypesController.php
+++ b/plugins/woocommerce-blocks/src/BlockTypesController.php
@@ -165,6 +165,7 @@ final class BlockTypesController {
 
 		$block_types = [
 			'ActiveFilters',
+			'AddToCartForm',
 			'AllProducts',
 			'AllReviews',
 			'AttributeFilter',
@@ -252,6 +253,7 @@ final class BlockTypesController {
 			$block_types = array_diff(
 				$block_types,
 				[
+					'AddToCartForm',
 					'Breadcrumbs',
 					'CatalogSorting',
 					'ClassicTemplate',
diff --git a/plugins/woocommerce-blocks/tests/e2e/specs/backend/add-to-cart-form.test.js b/plugins/woocommerce-blocks/tests/e2e/specs/backend/add-to-cart-form.test.js
new file mode 100644
index 00000000000..978114b9348
--- /dev/null
+++ b/plugins/woocommerce-blocks/tests/e2e/specs/backend/add-to-cart-form.test.js
@@ -0,0 +1,61 @@
+/**
+ * External dependencies
+ */
+import {
+	canvas,
+	createNewPost,
+	insertBlock,
+	switchUserToAdmin,
+} from '@wordpress/e2e-test-utils';
+import { searchForBlock } from '@wordpress/e2e-test-utils/build/inserter';
+
+/**
+ * Internal dependencies
+ */
+import {
+	filterCurrentBlocks,
+	goToSiteEditor,
+	useTheme,
+	waitForCanvas,
+} from '../../utils.js';
+
+const block = {
+	name: 'Add to Cart form',
+	slug: 'woocommerce/add-to-cart-form',
+	class: '.wc-block-add-to-cart-form',
+};
+
+describe( `${ block.name } Block`, () => {
+	it( 'in can not be inserted in a post', async () => {
+		await switchUserToAdmin();
+		await createNewPost( {
+			postType: 'post',
+			title: block.name,
+		} );
+		await searchForBlock( block.name );
+		expect( page ).toMatch( 'No results found.' );
+	} );
+
+	describe( 'in FSE editor', () => {
+		useTheme( 'emptytheme' );
+
+		beforeEach( async () => {
+			await goToSiteEditor();
+			await waitForCanvas();
+		} );
+
+		it( 'can be inserted in FSE area', async () => {
+			await insertBlock( block.name );
+			await expect( canvas() ).toMatchElement( block.class );
+		} );
+
+		it( 'can be inserted more than once', async () => {
+			await insertBlock( block.name );
+			await insertBlock( block.name );
+			const foo = await filterCurrentBlocks(
+				( b ) => b.name === block.slug
+			);
+			expect( foo ).toHaveLength( 2 );
+		} );
+	} );
+} );