Preview: WooContentProcessor.php
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/home/nshryvcy/radiantskinclinics.org/wp-content/plugins/woocommerce/src/Internal/EmailEditor/WooContentProcessor.php
<?php
declare( strict_types=1 );
namespace Automattic\WooCommerce\Internal\EmailEditor;
use Automattic\WooCommerce\EmailEditor\Email_Css_Inliner;
use Automattic\WooCommerce\EmailEditor\Email_Editor_Container;
use Automattic\WooCommerce\EmailEditor\Engine\Theme_Controller;
/**
* Class responsible for extracting the main content from a WC_Email object.
*/
class WooContentProcessor {
/**
* Email theme controller
* We use it to get email CSS.
*
* @var Theme_Controller
*/
private $theme_controller;
/**
* CSS inliner
*
* @var Email_Css_Inliner
*/
private $css_inliner;
/**
* Constructor
*/
public function __construct() {
$this->theme_controller = Email_Editor_Container::container()->get( Theme_Controller::class );
$this->css_inliner = new Email_Css_Inliner();
}
/**
* Get the WooCommerce content excluding headers and footers.
*
* @param \WC_Email $wc_email WooCommerce email.
* @return string
*/
public function get_woo_content( \WC_Email $wc_email ): string {
$woo_content = $this->capture_woo_content( $wc_email );
$woo_content_with_css = $this->inline_css( $woo_content );
return $this->get_html_body_content( $woo_content_with_css );
}
/**
* Filter CSS for the email.
* The CSS from the email editor was already inlined.
* The method hooks to woocommerce_email_styles and removes CSS rules that we don't want to apply to the email.
*
* Typography properties (font-size, font-weight, line-height, letter-spacing) are stripped
* because the email editor theme controls all typography via theme.json. Leaving these in
* the WooCommerce CSS would override the editor's heading sizes and weights.
*
* @since 10.8.0
* @param string $css CSS.
* @return string
*/
public function prepare_css( string $css ): string {
remove_filter( 'woocommerce_email_styles', array( $this, 'prepare_css' ) );
// Remove typography declarations from WooCommerce CSS.
// The email editor theme.json controls all typography; WC CSS would override it.
return (string) preg_replace(
array(
'/color\s*:\s*[^;]+;/',
'/font-family\s*:\s*[^;]+;/',
'/font-size\s*:\s*[^;]+;/',
'/font-weight\s*:\s*[^;]+;/',
'/line-height\s*:\s*[^;]+;/',
'/letter-spacing\s*:\s*[^;]+;/',
),
'',
$css
);
}
/**
* Get the content of the body tag from the HTML.
*
* @param string $html HTML.
* @return string
*/
private function get_html_body_content( string $html ): string {
// Extract content between <body> and </body> tags using regex.
if ( preg_match( '/<body[^>]*>(.*?)<\/body>/is', $html, $matches ) ) {
return $matches[1];
}
return $html;
}
/**
* Inline the CSS from the email theme and user email settings.
*
* @param string $woo_content WooCommerce content.
* @return string
*/
private function inline_css( string $woo_content ): string {
if ( empty( $woo_content ) ) {
return '';
}
$css = $this->theme_controller->get_stylesheet_for_rendering();
$css .= $this->get_woo_content_styles();
return $this->css_inliner->from_html( $woo_content )->inline_css( $css )->render();
}
/**
* Get CSS styles specific to WooCommerce email content.
*
* These styles target WooCommerce-specific HTML classes in the order details,
* totals, and other email content areas. They are needed because the WooCommerce
* email CSS selectors (prefixed with #body_content) do not match in the block
* email editor template structure.
*
* @since 10.8.0
* @return string CSS styles.
*/
private function get_woo_content_styles(): string {
return '
.email-order-details td,
.email-order-details th {
padding: 8px 12px;
}
.email-order-details td:first-child,
.email-order-details th:first-child {
padding-left: 0;
}
.email-order-details td:last-child,
.email-order-details th:last-child {
padding-right: 0;
}
.order-item-data td {
border: 0;
padding: 0;
vertical-align: top;
}
.order-item-data img {
border-radius: 4px;
}
.order-totals th,
.order-totals td {
font-weight: 400;
padding-bottom: 5px;
padding-top: 5px;
}
.order-totals-total th {
font-weight: 700;
}
.order-totals-total td {
font-weight: 700;
font-size: 20px;
}
h2.email-order-detail-heading {
font-size: 20px;
font-weight: 700;
line-height: 1.6;
}
h2.email-order-detail-heading span {
font-size: 14px;
font-weight: 400;
color: #757575;
}
.email-order-item-meta {
font-size: 14px;
line-height: 1.4;
}
';
}
/**
* Capture the WooCommerce content excluding headers and footers.
*
* @param \WC_Email $wc_email WooCommerce email.
* @return string
*/
private function capture_woo_content( \WC_Email $wc_email ): string {
return $wc_email->get_block_editor_email_template_content();
}
}
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