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<?php |
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/** |
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* Adds support for Jetpack Subscription Site feature. |
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* |
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* @package automattic/jetpack |
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* @since 13.2 |
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*/ |
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|
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namespace Automattic\Jetpack\Extensions\Subscriptions; |
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|
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use Jetpack_Memberships; |
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use WP_Block_Template; |
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use WP_Post; |
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|
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/** |
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* Jetpack_Subscription_Site class. |
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*/ |
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class Jetpack_Subscription_Site { |
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/** |
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* Jetpack_Subscription_Site singleton instance. |
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* |
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* @var Jetpack_Subscription_Site|null |
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*/ |
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private static $instance; |
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|
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/** |
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* Jetpack_Subscription_Site instance init. |
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*/ |
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public static function init() { |
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if ( self::$instance === null ) { |
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self::$instance = new Jetpack_Subscription_Site(); |
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} |
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|
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return self::$instance; |
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} |
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|
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/** |
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* Handles Subscribe block placements. |
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* |
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* @return void |
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*/ |
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public function handle_subscribe_block_placements() { |
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$this->handle_subscribe_block_post_end_placement(); |
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$this->handle_subscribe_block_navigation_placement(); |
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} |
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|
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/** |
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* Returns true if current user can view the post. |
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* |
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* @return bool |
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*/ |
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protected function user_can_view_post() { |
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if ( ! class_exists( 'Jetpack_Memberships' ) ) { |
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return true; |
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} |
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|
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return Jetpack_Memberships::user_can_view_post(); |
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} |
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|
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/** |
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* Returns post end placement hooked block attributes. |
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* |
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* @param array $default_attrs Deafult attributes. |
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* @param array $anchor_block The anchor block, in parsed block array format. |
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* |
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* @return array |
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*/ |
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protected function get_post_end_placement_block_attributes( $default_attrs, $anchor_block ) { |
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if ( ! empty( $anchor_block['attrs']['layout']['type'] ) ) { |
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return array_merge( |
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$default_attrs, |
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array( |
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'layout' => array( |
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'type' => $anchor_block['attrs']['layout']['type'], |
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), |
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) |
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); |
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} |
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|
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if ( ! empty( $anchor_block['attrs']['layout']['inherit'] ) ) { |
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return array_merge( |
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$default_attrs, |
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array( |
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'layout' => array( |
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'inherit' => $anchor_block['attrs']['layout']['inherit'], |
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), |
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) |
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); |
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} |
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|
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return $default_attrs; |
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} |
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|
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/** |
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* Returns true if context is recognized as a header element. |
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* |
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* @param WP_Block_Template|WP_Post|array $context The block template, template part, or pattern the anchor block belongs to. |
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* |
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* @return bool |
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*/ |
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protected function is_header_context( $context ) { |
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if ( $context instanceof WP_Post && $context->post_type === 'wp_navigation' ) { |
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return true; |
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} |
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|
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if ( $context instanceof WP_Block_Template && $context->area === 'header' ) { |
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return true; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Returns true if context is recognized as a single post element. |
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* |
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* @param WP_Block_Template|WP_Post|array $context The block template, template part, or pattern the anchor block belongs to. |
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* |
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* @return bool |
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*/ |
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protected function is_single_post_context( $context ) { |
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/** |
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* Some themes are not returning a WP_Block_Template. In that case, we need to check with is_singular function. |
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*/ |
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if ( is_array( $context ) ) { |
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return is_singular( 'post' ); |
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} |
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|
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return $context instanceof WP_Block_Template && $context->slug === 'single'; |
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} |
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|
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/** |
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* Handles Subscription block navigation placement. |
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* |
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* @return void |
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*/ |
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protected function handle_subscribe_block_navigation_placement() { |
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$is_enabled = get_option( 'jetpack_subscriptions_subscribe_navigation_enabled', false ); |
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if ( ! $is_enabled ) { |
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return; |
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} |
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|
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if ( ! wp_is_block_theme() ) { // TODO Fallback for classic themes. |
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return; |
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} |
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|
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add_filter( |
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'hooked_block_types', |
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function ( $hooked_blocks, $relative_position, $anchor_block, $context ) { |
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if ( |
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$anchor_block === 'core/navigation' && |
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$relative_position === 'last_child' && |
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self::is_header_context( $context ) |
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) { |
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$hooked_blocks[] = 'jetpack/subscriptions'; |
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} |
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|
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return $hooked_blocks; |
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}, |
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10, |
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4 |
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); |
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|
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add_filter( |
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'hooked_block_jetpack/subscriptions', |
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function ( $hooked_block, $hooked_block_type, $relative_position, $anchor_block ) { |
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$is_navigation_anchor_block = isset( $anchor_block['blockName'] ) && $anchor_block['blockName'] === 'core/navigation'; |
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|
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if ( $is_navigation_anchor_block ) { |
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$class_name = ( ! empty( $hooked_block['attrs'] ) && ! empty( $hooked_block['attrs']['className'] ) ) |
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? $hooked_block['attrs']['className'] . ' is-style-button' |
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: 'is-style-button'; |
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|
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$hooked_block['attrs']['className'] = $class_name; |
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$hooked_block['attrs']['appSource'] = 'subscribe-block-navigation'; |
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} |
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|
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return $hooked_block; |
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}, |
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10, |
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4 |
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); |
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} |
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|
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/** |
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* Handles Subscribe block placement at the end of each post. |
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* |
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* @return void |
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*/ |
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protected function handle_subscribe_block_post_end_placement() { |
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$subscribe_post_end_enabled = get_option( 'jetpack_subscriptions_subscribe_post_end_enabled', false ); |
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if ( ! $subscribe_post_end_enabled ) { |
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return; |
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} |
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|
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if ( ! wp_is_block_theme() ) { // Fallback for classic themes. |
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add_filter( |
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'the_content', |
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function ( $content ) { |
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// Check if we're inside the main loop in a single Post. |
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if ( |
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is_single() && |
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in_the_loop() && |
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is_main_query() && |
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$this->user_can_view_post() |
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) { |
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// translators: %s is the name of the site. |
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$discover_more_from_text = sprintf( __( 'Discover more from %s', 'jetpack' ), get_bloginfo( 'name' ) ); |
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$subscribe_text = __( 'Subscribe to get the latest posts sent to your email.', 'jetpack' ); |
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|
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return $content . do_blocks( |
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<<<HTML |
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<!-- wp:group {"style":{"spacing":{"padding":{"top":"0px","bottom":"0px","left":"0px","right":"0px"},"margin":{"top":"32px","bottom":"32px"}},"border":{"width":"0px","style":"none"}},"className":"has-border-color","layout":{"type":"default"}} --> |
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<div class="wp-block-group has-border-color" style="border-style:none;border-width:0px;margin-top:32px;margin-bottom:32px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px"> |
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<!-- wp:separator {"style":{"spacing":{"margin":{"bottom":"24px"}}},"className":"is-style-wide"} --> |
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<hr class="wp-block-separator has-alpha-channel-opacity is-style-wide" style="margin-bottom:24px"/> |
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<!-- /wp:separator --> |
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|
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<!-- wp:heading {"textAlign":"center","level":3,"style":{"layout":{"selfStretch":"fit","flexSize":null},"spacing":{"margin":{"top":"4px","bottom":"10px"}}}} --> |
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<h3 class="wp-block-heading has-text-align-center" style="margin-top:4px;margin-bottom:10px">$discover_more_from_text</h3> |
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<!-- /wp:heading --> |
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|
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<!-- wp:paragraph {"align":"center","style":{"typography":{"fontSize":"15px"},"spacing":{"margin":{"top":"10px","bottom":"10px"}}}} --> |
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<p class="has-text-align-center" style="margin-top:10px;margin-bottom:10px;font-size:15px">$subscribe_text</p> |
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<!-- /wp:paragraph --> |
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|
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<!-- wp:group {"layout":{"type":"constrained","contentSize":"480px"}} --> |
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<div class="wp-block-group"> |
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<!-- wp:jetpack/subscriptions {"appSource":"subscribe-block-post-end"} /--> |
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</div> |
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<!-- /wp:group --> |
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</div> |
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<!-- /wp:group --> |
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HTML |
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); |
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} |
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|
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return $content; |
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}, |
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100, // To insert it after the sharing blocks. |
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1 |
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); |
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|
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return; |
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} |
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|
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add_filter( |
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'hooked_block_types', |
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function ( $hooked_blocks, $relative_position, $anchor_block, $context ) { |
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if ( |
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$anchor_block === 'core/post-content' && |
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$relative_position === 'after' && |
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self::is_single_post_context( $context ) && |
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$this->user_can_view_post() |
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) { |
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$hooked_blocks[] = 'jetpack/subscriptions'; |
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} |
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|
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return $hooked_blocks; |
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}, |
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10, |
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4 |
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); |
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|
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add_filter( |
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'hooked_block_jetpack/subscriptions', |
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function ( $hooked_block, $hooked_block_type, $relative_position, $anchor_block ) { |
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$is_post_content_anchor_block = isset( $anchor_block['blockName'] ) && $anchor_block['blockName'] === 'core/post-content'; |
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if ( $is_post_content_anchor_block && ( $relative_position === 'after' || $relative_position === 'before' ) ) { |
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$attrs = $this->get_post_end_placement_block_attributes( |
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array( |
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'style' => array( |
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'spacing' => array( |
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'margin' => array( |
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'top' => '48px', |
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'bottom' => '48px', |
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), |
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'padding' => array( |
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'top' => '5px', |
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'bottom' => '5px', |
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), |
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), |
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), |
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), |
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$anchor_block |
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); |
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|
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// translators: %s is the name of the site. |
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$discover_more_from_text = sprintf( __( 'Discover more from %s', 'jetpack' ), get_bloginfo( 'name' ) ); |
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$subscribe_text = __( 'Subscribe to get the latest posts sent to your email.', 'jetpack' ); |
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$inner_content_begin = <<<HTML |
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<div class="wp-block-group" style="margin-top:48px;margin-bottom:48px;padding-top:5px;padding-bottom:5px"> |
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<!-- wp:separator {"style":{"spacing":{"margin":{"bottom":"36px"}}},"className":"is-style-wide"} --> |
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<hr class="wp-block-separator has-alpha-channel-opacity is-style-wide" style="margin-bottom:36px"/> |
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<!-- /wp:separator --> |
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|
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<!-- wp:heading {"textAlign":"center","level":3,"style":{"layout":{"selfStretch":"fit","flexSize":null},"spacing":{"margin":{"top":"4px","bottom":"10px"}}}} --> |
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<h3 class="wp-block-heading has-text-align-center" style="margin-top:4px;margin-bottom:10px">$discover_more_from_text</h3> |
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<!-- /wp:heading --> |
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|
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<!-- wp:paragraph {"align":"center","style":{"typography":{"fontSize":"15px"},"spacing":{"margin":{"top":"4px","bottom":"0px"}}}} --> |
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<p class="has-text-align-center" style="margin-top:4px;margin-bottom:0px;font-size:15px">$subscribe_text</p> |
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<!-- /wp:paragraph --> |
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|
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<!-- wp:group {"layout":{"type":"constrained","contentSize":"480px"}} --> |
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<div class="wp-block-group"> |
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HTML; |
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$inner_content_end = <<<'HTML' |
| 308 |
</div> |
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<!-- /wp:group --> |
| 310 |
</div> |
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HTML; |
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|
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$hooked_block['attrs']['appSource'] = 'subscribe-block-post-end'; |
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|
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return array( |
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'blockName' => 'core/group', |
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'attrs' => $attrs, |
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'innerBlocks' => array( $hooked_block ), |
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'innerContent' => array( |
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$inner_content_begin, |
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null, |
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$inner_content_end, |
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), |
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); |
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} |
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|
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return $hooked_block; |
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}, |
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10, |
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4 |
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); |
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} |
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} |
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|
