← All changes | extensions/blocks/subscriptions/class-jetpack-subscription-site.php +333 -0 16.2-beta → 16.3 View file →

		@@ -1,0 +1,333 @@
	1	+<?php
	2	+/**
	3	+ * Adds support for Jetpack Subscription Site feature.
	4	+ *
	5	+ * @package automattic/jetpack
	6	+ * @since 13.2
	7	+ */
	8	+
	9	+namespace Automattic\Jetpack\Extensions\Subscriptions;
	10	+
	11	+use Jetpack_Memberships;
	12	+use WP_Block_Template;
	13	+use WP_Post;
	14	+
	15	+/**
	16	+ * Jetpack_Subscription_Site class.
	17	+ */
	18	+class Jetpack_Subscription_Site {
	19	+ /**
	20	+ * Jetpack_Subscription_Site singleton instance.
	21	+ *
	22	+ * @var Jetpack_Subscription_Site|null
	23	+ */
	24	+ private static $instance;
	25	+
	26	+ /**
	27	+ * Jetpack_Subscription_Site instance init.
	28	+ */
	29	+ public static function init() {
	30	+ if ( self::$instance === null ) {
	31	+ self::$instance = new Jetpack_Subscription_Site();
	32	+ }
	33	+
	34	+ return self::$instance;
	35	+ }
	36	+
	37	+ /**
	38	+ * Handles Subscribe block placements.
	39	+ *
	40	+ * @return void
	41	+ */
	42	+ public function handle_subscribe_block_placements() {
	43	+ $this->handle_subscribe_block_post_end_placement();
	44	+ $this->handle_subscribe_block_navigation_placement();
	45	+ }
	46	+
	47	+ /**
	48	+ * Returns true if current user can view the post.
	49	+ *
	50	+ * @return bool
	51	+ */
	52	+ protected function user_can_view_post() {
	53	+ if ( ! class_exists( 'Jetpack_Memberships' ) ) {
	54	+ return true;
	55	+ }
	56	+
	57	+ return Jetpack_Memberships::user_can_view_post();
	58	+ }
	59	+
	60	+ /**
	61	+ * Returns post end placement hooked block attributes.
	62	+ *
	63	+ * @param array $default_attrs Deafult attributes.
	64	+ * @param array $anchor_block The anchor block, in parsed block array format.
	65	+ *
	66	+ * @return array
	67	+ */
	68	+ protected function get_post_end_placement_block_attributes( $default_attrs, $anchor_block ) {
	69	+ if ( ! empty( $anchor_block['attrs']['layout']['type'] ) ) {
	70	+ return array_merge(
	71	+ $default_attrs,
	72	+ array(
	73	+ 'layout' => array(
	74	+ 'type' => $anchor_block['attrs']['layout']['type'],
	75	+ ),
	76	+ )
	77	+ );
	78	+ }
	79	+
	80	+ if ( ! empty( $anchor_block['attrs']['layout']['inherit'] ) ) {
	81	+ return array_merge(
	82	+ $default_attrs,
	83	+ array(
	84	+ 'layout' => array(
	85	+ 'inherit' => $anchor_block['attrs']['layout']['inherit'],
	86	+ ),
	87	+ )
	88	+ );
	89	+ }
	90	+
	91	+ return $default_attrs;
	92	+ }
	93	+
	94	+ /**
	95	+ * Returns true if context is recognized as a header element.
	96	+ *
	97	+ * @param WP_Block_Template|WP_Post|array $context The block template, template part, or pattern the anchor block belongs to.
	98	+ *
	99	+ * @return bool
	100	+ */
	101	+ protected function is_header_context( $context ) {
	102	+ if ( $context instanceof WP_Post && $context->post_type === 'wp_navigation' ) {
	103	+ return true;
	104	+ }
	105	+
	106	+ if ( $context instanceof WP_Block_Template && $context->area === 'header' ) {
	107	+ return true;
	108	+ }
	109	+
	110	+ return false;
	111	+ }
	112	+
	113	+ /**
	114	+ * Returns true if context is recognized as a single post element.
	115	+ *
	116	+ * @param WP_Block_Template|WP_Post|array $context The block template, template part, or pattern the anchor block belongs to.
	117	+ *
	118	+ * @return bool
	119	+ */
	120	+ protected function is_single_post_context( $context ) {
	121	+ /**
	122	+ * Some themes are not returning a WP_Block_Template. In that case, we need to check with is_singular function.
	123	+ */
	124	+ if ( is_array( $context ) ) {
	125	+ return is_singular( 'post' );
	126	+ }
	127	+
	128	+ return $context instanceof WP_Block_Template && $context->slug === 'single';
	129	+ }
	130	+
	131	+ /**
	132	+ * Handles Subscription block navigation placement.
	133	+ *
	134	+ * @return void
	135	+ */
	136	+ protected function handle_subscribe_block_navigation_placement() {
	137	+ $is_enabled = get_option( 'jetpack_subscriptions_subscribe_navigation_enabled', false );
	138	+ if ( ! $is_enabled ) {
	139	+ return;
	140	+ }
	141	+
	142	+ if ( ! wp_is_block_theme() ) { // TODO Fallback for classic themes.
	143	+ return;
	144	+ }
	145	+
	146	+ add_filter(
	147	+ 'hooked_block_types',
	148	+ function ( $hooked_blocks, $relative_position, $anchor_block, $context ) {
	149	+ if (
	150	+ $anchor_block === 'core/navigation' &&
	151	+ $relative_position === 'last_child' &&
	152	+ self::is_header_context( $context )
	153	+ ) {
	154	+ $hooked_blocks[] = 'jetpack/subscriptions';
	155	+ }
	156	+
	157	+ return $hooked_blocks;
	158	+ },
	159	+ 10,
	160	+ 4
	161	+ );
	162	+
	163	+ add_filter(
	164	+ 'hooked_block_jetpack/subscriptions',
	165	+ function ( $hooked_block, $hooked_block_type, $relative_position, $anchor_block ) {
	166	+ $is_navigation_anchor_block = isset( $anchor_block['blockName'] ) && $anchor_block['blockName'] === 'core/navigation';
	167	+
	168	+ if ( $is_navigation_anchor_block ) {
	169	+ $class_name = ( ! empty( $hooked_block['attrs'] ) && ! empty( $hooked_block['attrs']['className'] ) )
	170	+ ? $hooked_block['attrs']['className'] . ' is-style-button'
	171	+ : 'is-style-button';
	172	+
	173	+ $hooked_block['attrs']['className'] = $class_name;
	174	+ $hooked_block['attrs']['appSource'] = 'subscribe-block-navigation';
	175	+ }
	176	+
	177	+ return $hooked_block;
	178	+ },
	179	+ 10,
	180	+ 4
	181	+ );
	182	+ }
	183	+
	184	+ /**
	185	+ * Handles Subscribe block placement at the end of each post.
	186	+ *
	187	+ * @return void
	188	+ */
	189	+ protected function handle_subscribe_block_post_end_placement() {
	190	+ $subscribe_post_end_enabled = get_option( 'jetpack_subscriptions_subscribe_post_end_enabled', false );
	191	+ if ( ! $subscribe_post_end_enabled ) {
	192	+ return;
	193	+ }
	194	+
	195	+ if ( ! wp_is_block_theme() ) { // Fallback for classic themes.
	196	+ add_filter(
	197	+ 'the_content',
	198	+ function ( $content ) {
	199	+ // Check if we're inside the main loop in a single Post.
	200	+ if (
	201	+ is_single() &&
	202	+ in_the_loop() &&
	203	+ is_main_query() &&
	204	+ $this->user_can_view_post()
	205	+ ) {
	206	+ // translators: %s is the name of the site.
	207	+ $discover_more_from_text = sprintf( __( 'Discover more from %s', 'jetpack' ), get_bloginfo( 'name' ) );
	208	+ $subscribe_text = __( 'Subscribe to get the latest posts sent to your email.', 'jetpack' );
	209	+
	210	+ return $content . do_blocks(
	211	+ <<<HTML
	212	+<!-- wp:group {"style":{"spacing":{"padding":{"top":"0px","bottom":"0px","left":"0px","right":"0px"},"margin":{"top":"32px","bottom":"32px"}},"border":{"width":"0px","style":"none"}},"className":"has-border-color","layout":{"type":"default"}} -->
	213	+<div class="wp-block-group has-border-color" style="border-style:none;border-width:0px;margin-top:32px;margin-bottom:32px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px">
	214	+ <!-- wp:separator {"style":{"spacing":{"margin":{"bottom":"24px"}}},"className":"is-style-wide"} -->
	215	+ <hr class="wp-block-separator has-alpha-channel-opacity is-style-wide" style="margin-bottom:24px"/>
	216	+ <!-- /wp:separator -->
	217	+
	218	+ <!-- wp:heading {"textAlign":"center","level":3,"style":{"layout":{"selfStretch":"fit","flexSize":null},"spacing":{"margin":{"top":"4px","bottom":"10px"}}}} -->
	219	+ <h3 class="wp-block-heading has-text-align-center" style="margin-top:4px;margin-bottom:10px">$discover_more_from_text</h3>
	220	+ <!-- /wp:heading -->
	221	+
	222	+ <!-- wp:paragraph {"align":"center","style":{"typography":{"fontSize":"15px"},"spacing":{"margin":{"top":"10px","bottom":"10px"}}}} -->
	223	+ <p class="has-text-align-center" style="margin-top:10px;margin-bottom:10px;font-size:15px">$subscribe_text</p>
	224	+ <!-- /wp:paragraph -->
	225	+
	226	+ <!-- wp:group {"layout":{"type":"constrained","contentSize":"480px"}} -->
	227	+ <div class="wp-block-group">
	228	+ <!-- wp:jetpack/subscriptions {"appSource":"subscribe-block-post-end"} /-->
	229	+ </div>
	230	+ <!-- /wp:group -->
	231	+</div>
	232	+<!-- /wp:group -->
	233	+HTML
	234	+ );
	235	+ }
	236	+
	237	+ return $content;
	238	+ },
	239	+ 100, // To insert it after the sharing blocks.
	240	+ 1
	241	+ );
	242	+
	243	+ return;
	244	+ }
	245	+
	246	+ add_filter(
	247	+ 'hooked_block_types',
	248	+ function ( $hooked_blocks, $relative_position, $anchor_block, $context ) {
	249	+ if (
	250	+ $anchor_block === 'core/post-content' &&
	251	+ $relative_position === 'after' &&
	252	+ self::is_single_post_context( $context ) &&
	253	+ $this->user_can_view_post()
	254	+ ) {
	255	+ $hooked_blocks[] = 'jetpack/subscriptions';
	256	+ }
	257	+
	258	+ return $hooked_blocks;
	259	+ },
	260	+ 10,
	261	+ 4
	262	+ );
	263	+
	264	+ add_filter(
	265	+ 'hooked_block_jetpack/subscriptions',
	266	+ function ( $hooked_block, $hooked_block_type, $relative_position, $anchor_block ) {
	267	+ $is_post_content_anchor_block = isset( $anchor_block['blockName'] ) && $anchor_block['blockName'] === 'core/post-content';
	268	+ if ( $is_post_content_anchor_block && ( $relative_position === 'after' || $relative_position === 'before' ) ) {
	269	+ $attrs = $this->get_post_end_placement_block_attributes(
	270	+ array(
	271	+ 'style' => array(
	272	+ 'spacing' => array(
	273	+ 'margin' => array(
	274	+ 'top' => '48px',
	275	+ 'bottom' => '48px',
	276	+ ),
	277	+ 'padding' => array(
	278	+ 'top' => '5px',
	279	+ 'bottom' => '5px',
	280	+ ),
	281	+ ),
	282	+ ),
	283	+ ),
	284	+ $anchor_block
	285	+ );
	286	+
	287	+ // translators: %s is the name of the site.
	288	+ $discover_more_from_text = sprintf( __( 'Discover more from %s', 'jetpack' ), get_bloginfo( 'name' ) );
	289	+ $subscribe_text = __( 'Subscribe to get the latest posts sent to your email.', 'jetpack' );
	290	+ $inner_content_begin = <<<HTML
	291	+<div class="wp-block-group" style="margin-top:48px;margin-bottom:48px;padding-top:5px;padding-bottom:5px">
	292	+ <!-- wp:separator {"style":{"spacing":{"margin":{"bottom":"36px"}}},"className":"is-style-wide"} -->
	293	+ <hr class="wp-block-separator has-alpha-channel-opacity is-style-wide" style="margin-bottom:36px"/>
	294	+ <!-- /wp:separator -->
	295	+
	296	+ <!-- wp:heading {"textAlign":"center","level":3,"style":{"layout":{"selfStretch":"fit","flexSize":null},"spacing":{"margin":{"top":"4px","bottom":"10px"}}}} -->
	297	+ <h3 class="wp-block-heading has-text-align-center" style="margin-top:4px;margin-bottom:10px">$discover_more_from_text</h3>
	298	+ <!-- /wp:heading -->
	299	+
	300	+ <!-- wp:paragraph {"align":"center","style":{"typography":{"fontSize":"15px"},"spacing":{"margin":{"top":"4px","bottom":"0px"}}}} -->
	301	+ <p class="has-text-align-center" style="margin-top:4px;margin-bottom:0px;font-size:15px">$subscribe_text</p>
	302	+ <!-- /wp:paragraph -->
	303	+
	304	+ <!-- wp:group {"layout":{"type":"constrained","contentSize":"480px"}} -->
	305	+ <div class="wp-block-group">
	306	+HTML;
	307	+ $inner_content_end = <<<'HTML'
	308	+ </div>
	309	+ <!-- /wp:group -->
	310	+</div>
	311	+HTML;
	312	+
	313	+ $hooked_block['attrs']['appSource'] = 'subscribe-block-post-end';
	314	+
	315	+ return array(
	316	+ 'blockName' => 'core/group',
	317	+ 'attrs' => $attrs,
	318	+ 'innerBlocks' => array( $hooked_block ),
	319	+ 'innerContent' => array(
	320	+ $inner_content_begin,
	321	+ null,
	322	+ $inner_content_end,
	323	+ ),
	324	+ );
	325	+ }
	326	+
	327	+ return $hooked_block;
	328	+ },
	329	+ 10,
	330	+ 4
	331	+ );
	332	+ }
	333	+}