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<?php
namespace Automattic\WooCommerce\Blocks\BlockTypes;
use Automattic\WooCommerce\Blocks\Package;
use Automattic\WooCommerce\Blocks\Payments\PaymentMethodRegistry;
use Automattic\WooCommerce\Blocks\Assets\AssetDataRegistry;
use Automattic\WooCommerce\Blocks\Assets\Api as AssetApi;
use Automattic\WooCommerce\Blocks\Integrations\IntegrationRegistry;
use Automattic\WooCommerce\Blocks\Utils\StyleAttributesUtils;
use Automattic\WooCommerce\Blocks\Utils\BlockTemplateUtils;
use Automattic\WooCommerce\Blocks\Utils\Utils;
use Automattic\WooCommerce\Blocks\Utils\MiniCartUtils;
use Automattic\WooCommerce\Blocks\Utils\BlockHooksTrait;
/**
* Mini-Cart class.
*
* @internal
*/
class MiniCart extends AbstractBlock {
use BlockHooksTrait;
/**
* Block name.
*
* @var string
*/
protected $block_name = 'mini-cart';
/**
* Chunks build folder.
*
* @var string
*/
protected $chunks_folder = 'mini-cart-contents-block';
/**
* Array of scripts that will be lazy loaded when interacting with the block.
*
* @var string[]
*/
protected $scripts_to_lazy_load = array();
/**
* Inc Tax label.
*
* @var string
*/
protected $tax_label = '';
/**
* Visibility of price including tax.
*
* @var string
*/
protected $display_cart_prices_including_tax = false;
/**
* Block Hook API placements.
*
* @var array
*/
protected $hooked_block_placements = array(
array(
'position' => 'after',
'anchor' => 'core/navigation',
'area' => 'header',
'version' => '8.4.0',
),
);
/**
* Constructor.
*
* @param AssetApi $asset_api Instance of the asset API.
* @param AssetDataRegistry $asset_data_registry Instance of the asset data registry.
* @param IntegrationRegistry $integration_registry Instance of the integration registry.
*/
public function __construct( AssetApi $asset_api, AssetDataRegistry $asset_data_registry, IntegrationRegistry $integration_registry ) {
parent::__construct( $asset_api, $asset_data_registry, $integration_registry, $this->block_name );
}
/**
* Initialize this block type.
*
* - Hook into WP lifecycle.
* - Register the block with WordPress.
*/
protected function initialize() {
parent::initialize();
add_action( 'wp_loaded', array( $this, 'register_empty_cart_message_block_pattern' ) );
add_action( 'wp_print_footer_scripts', array( $this, 'print_lazy_load_scripts' ), 2 );
add_filter( 'hooked_block_woocommerce/mini-cart', array( $this, 'modify_hooked_block_attributes' ), 10, 5 );
add_filter( 'hooked_block_types', array( $this, 'register_hooked_block' ), 9, 4 );
}
/**
* Callback for the Block Hooks API to modify the attributes of the hooked block.
*
* @param array|null $parsed_hooked_block The parsed block array for the given hooked block type, or null to suppress the block.
* @param string $hooked_block_type The hooked block type name.
* @param string $relative_position The relative position of the hooked block.
* @param array $parsed_anchor_block The anchor block, in parsed block array format.
* @param WP_Block_Template|WP_Post|array $context The block template, template part, `wp_navigation` post type,
* or pattern that the anchor block belongs to.
* @return array|null
*/
public function modify_hooked_block_attributes( $parsed_hooked_block, $hooked_block_type, $relative_position, $parsed_anchor_block, $context ) {
$mini_cart_block_font_size = wp_get_global_styles( array( 'blocks', 'woocommerce/mini-cart', 'typography', 'fontSize' ) );
if ( ! is_string( $mini_cart_block_font_size ) ) {
$navigation_block_font_size = wp_get_global_styles( array( 'blocks', 'core/navigation', 'typography', 'fontSize' ) );
if ( is_string( $navigation_block_font_size ) ) {
$parsed_hooked_block['attrs']['style']['typography']['fontSize'] = $navigation_block_font_size;
}
}
return $parsed_hooked_block;
}
/**
* Get the editor script handle for this block type.
*
* @param string $key Data to get, or default to everything.
* @return array|string;
*/
protected function get_block_type_editor_script( $key = null ) {
$script = [
'handle' => 'wc-' . $this->block_name . '-block',
'path' => $this->asset_api->get_block_asset_build_path( $this->block_name ),
'dependencies' => [ 'wc-blocks' ],
];
return $key ? $script[ $key ] : $script;
}
/**
* Get the frontend script handle for this block type.
*
* @see $this->register_block_type()
* @param string $key Data to get, or default to everything.
* @return array|string
*/
protected function get_block_type_script( $key = null ) {
if ( is_cart() || is_checkout() ) {
return;
}
$script = [
'handle' => 'wc-' . $this->block_name . '-block-frontend',
'path' => $this->asset_api->get_block_asset_build_path( $this->block_name . '-frontend' ),
'dependencies' => [],
];
return $key ? $script[ $key ] : $script;
}
/**
* Get the frontend style handle for this block type.
*
* @return string[]
*/
protected function get_block_type_style() {
return array_merge( parent::get_block_type_style(), [ 'wc-blocks-packages-style' ] );
}
/**
* Extra data passed through from server to client for block.
*
* @param array $attributes Any attributes that currently are available from the block.
* Note, this will be empty in the editor context when the block is
* not in the post content on editor load.
*/
protected function enqueue_data( array $attributes = [] ) {
if ( is_cart() || is_checkout() ) {
return;
}
parent::enqueue_data( $attributes );
// Hydrate the following data depending on admin or frontend context.
if ( ! is_admin() && ! WC()->is_rest_api_request() ) {
$label_info = $this->get_tax_label();
$this->tax_label = $label_info['tax_label'];
$this->display_cart_prices_including_tax = $label_info['display_cart_prices_including_tax'];
$this->asset_data_registry->add(
'taxLabel',
$this->tax_label
);
}
$this->asset_data_registry->add(
'displayCartPricesIncludingTax',
$this->display_cart_prices_including_tax
);
$template_part_edit_uri = '';
if (
current_user_can( 'edit_theme_options' ) &&
( wc_current_theme_is_fse_theme() || current_theme_supports( 'block-template-parts' ) )
) {
$theme_slug = BlockTemplateUtils::theme_has_template_part( 'mini-cart' ) ? wp_get_theme()->get_stylesheet() : BlockTemplateUtils::PLUGIN_SLUG;
if ( version_compare( get_bloginfo( 'version' ), '5.9', '<' ) ) {
$site_editor_uri = add_query_arg(
array( 'page' => 'gutenberg-edit-site' ),
admin_url( 'themes.php' )
);
} else {
$site_editor_uri = add_query_arg(
array(
'canvas' => 'edit',
'path' => '/template-parts/single',
),
admin_url( 'site-editor.php' )
);
}
$template_part_edit_uri = esc_url_raw(
add_query_arg(
array(
'postId' => sprintf( '%s//%s', $theme_slug, 'mini-cart' ),
'postType' => 'wp_template_part',
),
$site_editor_uri
)
);
}
$this->asset_data_registry->add(
'templatePartEditUri',
$template_part_edit_uri
);
/**
* Fires after cart block data is registered.
*
* @since 5.8.0
*/
do_action( 'woocommerce_blocks_cart_enqueue_data' );
}
/**
* Prints the variable containing information about the scripts to lazy load.
*/
public function print_lazy_load_scripts() {
$script_data = $this->asset_api->get_script_data( 'assets/client/blocks/mini-cart-component-frontend.js' );
$num_dependencies = is_countable( $script_data['dependencies'] ) ? count( $script_data['dependencies'] ) : 0;
$wp_scripts = wp_scripts();
for ( $i = 0; $i < $num_dependencies; $i++ ) {
$dependency = $script_data['dependencies'][ $i ];
foreach ( $wp_scripts->registered as $script ) {
if ( $script->handle === $dependency ) {
$this->append_script_and_deps_src( $script );
break;
}
}
}
$payment_method_registry = Package::container()->get( PaymentMethodRegistry::class );
$payment_methods = $payment_method_registry->get_all_active_payment_method_script_dependencies();
foreach ( $payment_methods as $payment_method ) {
$payment_method_script = $this->get_script_from_handle( $payment_method );
if ( ! is_null( $payment_method_script ) ) {
$this->append_script_and_deps_src( $payment_method_script );
}
}
$this->scripts_to_lazy_load['wc-block-mini-cart-component-frontend'] = array(
'src' => $script_data['src'],
'version' => $script_data['version'],
'translations' => $this->get_inner_blocks_translations(),
);
$inner_blocks_frontend_scripts = array();
$cart = $this->get_cart_instance();
if ( $cart ) {
// Preload inner blocks frontend scripts.
$inner_blocks_frontend_scripts = $cart->is_empty() ? array(
'empty-cart-frontend',
'filled-cart-frontend',
'shopping-button-frontend',
) : array(
'empty-cart-frontend',
'filled-cart-frontend',
'title-frontend',
'items-frontend',
'footer-frontend',
'products-table-frontend',
'cart-button-frontend',
'checkout-button-frontend',
'title-label-frontend',
'title-items-counter-frontend',
);
}
foreach ( $inner_blocks_frontend_scripts as $inner_block_frontend_script ) {
$script_data = $this->asset_api->get_script_data( 'assets/client/blocks/mini-cart-contents-block/' . $inner_block_frontend_script . '.js' );
$this->scripts_to_lazy_load[ 'wc-block-' . $inner_block_frontend_script ] = array(
'src' => $script_data['src'],
'version' => $script_data['version'],
);
}
$data = rawurlencode( wp_json_encode( $this->scripts_to_lazy_load ) );
$mini_cart_dependencies_script = "var wcBlocksMiniCartFrontendDependencies = JSON.parse( decodeURIComponent( '" . esc_js( $data ) . "' ) );";
wp_add_inline_script(
'wc-mini-cart-block-frontend',
$mini_cart_dependencies_script,
'before'
);
}
/**
* Returns the script data given its handle.
*
* @param string $handle Handle of the script.
*
* @return \_WP_Dependency|null Object containing the script data if found, or null.
*/
protected function get_script_from_handle( $handle ) {
$wp_scripts = wp_scripts();
foreach ( $wp_scripts->registered as $script ) {
if ( $script->handle === $handle ) {
return $script;
}
}
return null;
}
/**
* Recursively appends a scripts and its dependencies into the scripts_to_lazy_load array.
*
* @param \_WP_Dependency $script Object containing script data.
*/
protected function append_script_and_deps_src( $script ) {
$wp_scripts = wp_scripts();
// This script and its dependencies have already been appended.
if ( ! $script || array_key_exists( $script->handle, $this->scripts_to_lazy_load ) || wp_script_is( $script->handle, 'enqueued' ) ) {
return;
}
if ( is_countable( $script->deps ) && count( $script->deps ) ) {
foreach ( $script->deps as $dep ) {
if ( ! array_key_exists( $dep, $this->scripts_to_lazy_load ) ) {
$dep_script = $this->get_script_from_handle( $dep );
if ( ! is_null( $dep_script ) ) {
$this->append_script_and_deps_src( $dep_script );
}
}
}
}
if ( ! $script->src ) {
return;
}
$site_url = site_url() ?? wp_guess_url();
if ( Utils::wp_version_compare( '6.3', '>=' ) ) {
$script_before = $wp_scripts->get_inline_script_data( $script->handle, 'before' );
$script_after = $wp_scripts->get_inline_script_data( $script->handle, 'after' );
} else {
$script_before = $wp_scripts->print_inline_script( $script->handle, 'before', false );
$script_after = $wp_scripts->print_inline_script( $script->handle, 'after', false );
}
$this->scripts_to_lazy_load[ $script->handle ] = array(
'src' => preg_match( '|^(https?:)?//|', $script->src ) ? $script->src : $site_url . $script->src,
'version' => $script->ver,
'before' => $script_before,
'after' => $script_after,
'translations' => $wp_scripts->print_translations( $script->handle, false ),
);
}
/**
* Returns the markup for the cart price.
*
* @param array $attributes Block attributes.
*
* @return string
*/
protected function get_cart_price_markup( $attributes ) {
if ( isset( $attributes['hasHiddenPrice'] ) && false !== $attributes['hasHiddenPrice'] ) {
return;
}
$price_color = array_key_exists( 'priceColor', $attributes ) ? $attributes['priceColor']['color'] : '';
return '<span class="wc-block-mini-cart__amount" style="color:' . esc_attr( $price_color ) . ' "></span>' . $this->get_include_tax_label_markup( $attributes );
}
/**
* Returns the markup for render the tax label.
*
* @param array $attributes Block attributes.
*
* @return string
*/
protected function get_include_tax_label_markup( $attributes ) {
if ( empty( $this->tax_label ) ) {
return '';
}
$price_color = array_key_exists( 'priceColor', $attributes ) ? $attributes['priceColor']['color'] : '';
return '<small class="wc-block-mini-cart__tax-label" style="color:' . esc_attr( $price_color ) . ' " hidden>' . esc_html( $this->tax_label ) . '</small>';
}
/**
* Append frontend scripts when rendering the Mini-Cart block.
*
* @param array $attributes Block attributes.
* @param string $content Block content.
* @param WP_Block $block Block instance.
* @return string Rendered block type output.
*/
protected function render( $attributes, $content, $block ) {
return $content . $this->get_markup( MiniCartUtils::migrate_attributes_to_color_panel( $attributes ) );
}
/**
* Render the markup for the Mini-Cart block.
*
* @param array $attributes Block attributes.
*
* @return string The HTML markup.
*/
protected function get_markup( $attributes ) {
if ( is_admin() || WC()->is_rest_api_request() ) {
// In the editor we will display the placeholder, so no need to load
// real cart data and to print the markup.
return '';
}
$classes_styles = StyleAttributesUtils::get_classes_and_styles_by_attributes( $attributes, array( 'text_color', 'background_color', 'font_size', 'font_weight', 'font_family', 'extra_classes' ) );
$wrapper_classes = sprintf( 'wc-block-mini-cart wp-block-woocommerce-mini-cart %s', $classes_styles['classes'] );
$wrapper_styles = $classes_styles['styles'];
$icon_color = array_key_exists( 'iconColor', $attributes ) ? esc_attr( $attributes['iconColor']['color'] ) : 'currentColor';
$product_count_color = array_key_exists( 'productCountColor', $attributes ) ? esc_attr( $attributes['productCountColor']['color'] ) : '';
$styles = $product_count_color ? 'background:' . $product_count_color : '';
$icon = MiniCartUtils::get_svg_icon( $attributes['miniCartIcon'] ?? '', $icon_color );
$product_count_visibility = isset( $attributes['productCountVisibility'] ) ? $attributes['productCountVisibility'] : 'greater_than_zero';
$button_html = '<span class="wc-block-mini-cart__quantity-badge">
' . $icon . '
' . ( 'never' !== $product_count_visibility ? '<span class="wc-block-mini-cart__badge" style="' . esc_attr( $styles ) . '"></span>' : '' ) . '
</span>
' . $this->get_cart_price_markup( $attributes );
if ( is_cart() || is_checkout() ) {
if ( $this->should_not_render_mini_cart( $attributes ) ) {
return '';
}
// It is not necessary to load the Mini-Cart Block on Cart and Checkout page.
return '<div class="' . esc_attr( $wrapper_classes ) . '" style="visibility:hidden" aria-hidden="true">
<button class="wc-block-mini-cart__button" disabled aria-label="' . __( 'Cart', 'woocommerce' ) . '">' . $button_html . '</button>
</div>';
}
$template_part_contents = '';
// Determine if we need to load the template part from the DB, the theme or WooCommerce in that order.
$templates_from_db = BlockTemplateUtils::get_block_templates_from_db( array( 'mini-cart' ), 'wp_template_part' );
if ( is_countable( $templates_from_db ) && count( $templates_from_db ) > 0 ) {
$template_slug_to_load = $templates_from_db[0]->theme;
} else {
$theme_has_mini_cart = BlockTemplateUtils::theme_has_template_part( 'mini-cart' );
$template_slug_to_load = $theme_has_mini_cart ? get_stylesheet() : BlockTemplateUtils::PLUGIN_SLUG;
}
$template_part = get_block_template( $template_slug_to_load . '//mini-cart', 'wp_template_part' );
if ( $template_part && ! empty( $template_part->content ) ) {
$template_part_contents = do_blocks( $template_part->content );
}
if ( '' === $template_part_contents ) {
$template_part_contents = do_blocks(
// phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
file_get_contents( Package::get_path() . 'templates/' . BlockTemplateUtils::DIRECTORY_NAMES['TEMPLATE_PARTS'] . '/mini-cart.html' )
);
}
return '<div class="' . esc_attr( $wrapper_classes ) . '" style="' . esc_attr( $wrapper_styles ) . '">
<button class="wc-block-mini-cart__button" aria-label="' . __( 'Cart', 'woocommerce' ) . '">' . $button_html . '</button>
<div class="is-loading wc-block-components-drawer__screen-overlay wc-block-components-drawer__screen-overlay--is-hidden" aria-hidden="true">
<div class="wc-block-mini-cart__drawer wc-block-components-drawer">
<div class="wc-block-components-drawer__content">
<div class="wc-block-mini-cart__template-part">'
. wp_kses_post( $template_part_contents ) .
'</div>
</div>
</div>
</div>
</div>';
}
/**
* Return the main instance of WC_Cart class.
*
* @return \WC_Cart CartController class instance.
*/
protected function get_cart_instance() {
$cart = WC()->cart;
if ( $cart && $cart instanceof \WC_Cart ) {
return $cart;
}
return null;
}
/**
* Get array with data for handle the tax label.
* the entire logic of this function is was taken from:
* https://github.com/woocommerce/woocommerce/blob/e730f7463c25b50258e97bf56e31e9d7d3bc7ae7/includes/class-wc-cart.php#L1582
*
* @return array;
*/
protected function get_tax_label() {
$cart = $this->get_cart_instance();
if ( $cart && $cart->display_prices_including_tax() ) {
if ( ! wc_prices_include_tax() ) {
$tax_label = WC()->countries->inc_tax_or_vat();
$display_cart_prices_including_tax = true;
return array(
'tax_label' => $tax_label,
'display_cart_prices_including_tax' => $display_cart_prices_including_tax,
);
}
return array(
'tax_label' => '',
'display_cart_prices_including_tax' => true,
);
}
if ( wc_prices_include_tax() ) {
$tax_label = WC()->countries->ex_tax_or_vat();
return array(
'tax_label' => $tax_label,
'display_cart_prices_including_tax' => false,
);
}
return array(
'tax_label' => '',
'display_cart_prices_including_tax' => false,
);
}
/**
* Prepare translations for inner blocks and dependencies.
*/
protected function get_inner_blocks_translations() {
$wp_scripts = wp_scripts();
$translations = array();
$chunks = $this->get_chunks_paths( $this->chunks_folder );
$vendor_chunks = $this->get_chunks_paths( 'vendors--mini-cart-contents-block' );
$shared_chunks = [ 'cart-blocks/cart-line-items--mini-cart-contents-block/products-table-frontend' ];
foreach ( array_merge( $chunks, $vendor_chunks, $shared_chunks ) as $chunk ) {
$handle = 'wc-blocks-' . $chunk . '-chunk';
$this->asset_api->register_script( $handle, $this->asset_api->get_block_asset_build_path( $chunk ), [], true );
$translations[] = $wp_scripts->print_translations( $handle, false );
wp_deregister_script( $handle );
}
$translations = array_filter( $translations );
return implode( '', $translations );
}
/**
* Register block pattern for Empty Cart Message to make it translatable.
*/
public function register_empty_cart_message_block_pattern() {
register_block_pattern(
'woocommerce/mini-cart-empty-cart-message',
array(
'title' => __( 'Empty Mini-Cart Message', 'woocommerce' ),
'inserter' => false,
'content' => '<!-- wp:paragraph {"align":"center"} --><p class="has-text-align-center"><strong>' . __( 'Your cart is currently empty!', 'woocommerce' ) . '</strong></p><!-- /wp:paragraph -->',
)
);
}
/**
* Returns whether the Mini-Cart should be rendered or not.
*
* @param array $attributes Block attributes.
*
* @return bool
*/
public function should_not_render_mini_cart( array $attributes ) {
return isset( $attributes['cartAndCheckoutRenderStyle'] ) && 'hidden' !== $attributes['cartAndCheckoutRenderStyle'];
}
}