← All changes | lib/comment.php +486 -0 22.2.1 → 22.7.0 View file →

		@@ -1,0 +1,486 @@
	1	+<?php
	2	+/*
	3	+ * License: GPLv3
	4	+ * License URI: https://www.gnu.org/licenses/gpl.txt
	5	+ * Copyright 2012-2026 Jean-Sebastien Morisset (https://wpsso.com/)
	6	+ */
	7	+
	8	+if ( ! defined( 'ABSPATH' ) ) {
	9	+
	10	+ die( 'These aren\'t the droids you\'re looking for.' );
	11	+}
	12	+
	13	+if ( ! defined( 'WPSSO_PLUGINDIR' ) ) {
	14	+
	15	+ die( 'Do. Or do not. There is no try.' );
	16	+}
	17	+
	18	+if ( ! class_exists( 'WpssoAbstractWpMeta' ) ) {
	19	+
	20	+ require_once WPSSO_PLUGINDIR . 'lib/abstract/wp-meta.php';
	21	+}
	22	+
	23	+if ( ! class_exists( 'WpssoComment' ) ) {
	24	+
	25	+ class WpssoComment extends WpssoAbstractWpMeta {
	26	+
	27	+ public function __construct( &$plugin ) {
	28	+
	29	+ $this->p =& $plugin;
	30	+
	31	+ if ( $this->p->debug->enabled ) {
	32	+
	33	+ $this->p->debug->mark();
	34	+ }
	35	+
	36	+ /*
	37	+ * This hook is fired once WordPress, plugins, and the theme are fully loaded and instantiated.
	38	+ */
	39	+ add_action( 'wp_loaded', array( $this, 'add_wp_callbacks' ) );
	40	+ }
	41	+
	42	+ /*
	43	+ * Add WordPress action and filter callbacks.
	44	+ */
	45	+ public function add_wp_callbacks() {
	46	+
	47	+ if ( $this->p->debug->enabled ) {
	48	+
	49	+ $this->p->debug->mark();
	50	+ }
	51	+
	52	+ /*
	53	+ * Since WPSSO Core v17.0.0.
	54	+ *
	55	+ * Register our comment meta.
	56	+ */
	57	+ $this->register_meta( $object_type = 'comment', WPSSO_META_NAME );
	58	+
	59	+ /*
	60	+ * Called by wp_insert_comment(), which is called by wp_new_comment().
	61	+ */
	62	+ add_action( 'wp_insert_comment', array( $this, 'refresh_cache_insert_comment' ), PHP_INT_MAX, 2 );
	63	+
	64	+ /*
	65	+ * Called by wp_transition_comment_status().
	66	+ */
	67	+ add_action( 'transition_comment_status', array( $this, 'refresh_cache_comment_status' ), PHP_INT_MAX, 3 );
	68	+ }
	69	+
	70	+ /*
	71	+ * Get the $mod object for a comment ID.
	72	+ */
	73	+ public function get_mod( $comment_id ) {
	74	+
	75	+ if ( $this->p->debug->enabled ) {
	76	+
	77	+ $this->p->debug->mark_caller();
	78	+
	79	+ $this->p->debug->log_args( array(
	80	+ 'comment_id' => $comment_id,
	81	+ ) );
	82	+ }
	83	+
	84	+ static $local_fifo = array();
	85	+
	86	+ /*
	87	+ * Maybe return the array from the local cache.
	88	+ */
	89	+ if ( isset( $local_fifo[ $comment_id ] ) ) {
	90	+
	91	+ if ( ! $this->md_cache_disabled ) {
	92	+
	93	+ if ( $this->p->debug->enabled ) {
	94	+
	95	+ $this->p->debug->log( 'exiting early: comment id ' . $comment_id . ' mod array from local cache' );
	96	+ }
	97	+
	98	+ return $local_fifo[ $comment_id ];
	99	+
	100	+ } else unset( $local_fifo[ $comment_id ] );
	101	+ }
	102	+
	103	+ /*
	104	+ * Maybe limit the number of array elements.
	105	+ */
	106	+ $local_fifo = SucomUtil::array_slice_fifo( $local_fifo, WPSSO_CACHE_ARRAY_FIFO_MAX );
	107	+
	108	+ $mod = self::get_mod_defaults();
	109	+
	110	+ /*
	111	+ * Common elements.
	112	+ */
	113	+ $mod[ 'id' ] = is_numeric( $comment_id ) ? (int) $comment_id : 0; // Cast as integer.
	114	+ $mod[ 'name' ] = 'comment';
	115	+ $mod[ 'name_transl' ] = _x( 'comment', 'module name', 'wpsso' );
	116	+ $mod[ 'obj' ] =& $this;
	117	+
	118	+ /*
	119	+ * WpssoComment elements.
	120	+ */
	121	+ $mod[ 'is_comment' ] = true;
	122	+
	123	+ if ( $mod[ 'id' ] ) { // Just in case.
	124	+
	125	+ $mod[ 'wp_obj' ] = SucomUtilWP::get_comment_object( $mod[ 'id' ] );
	126	+
	127	+ if ( $mod[ 'wp_obj' ] instanceof WP_Comment ) { // Just in case.
	128	+
	129	+ $mod[ 'comment_author' ] = (int) $mod[ 'wp_obj' ]->user_id; // Comment author user ID.
	130	+ $mod[ 'comment_author_name' ] = $mod[ 'wp_obj' ]->comment_author; // Comment author name.
	131	+ $mod[ 'comment_author_url' ] = $mod[ 'wp_obj' ]->comment_author_url;
	132	+ $mod[ 'comment_parent' ] = $mod[ 'wp_obj' ]->comment_parent;
	133	+ $mod[ 'comment_time' ] = mysql2date( 'c', $mod[ 'wp_obj' ]->comment_date_gmt ); // ISO 8601 date.
	134	+ $mod[ 'comment_timestamp' ] = mysql2date( 'U', $mod[ 'wp_obj' ]->comment_date_gmt ); // Unix timestamp.
	135	+ $mod[ 'is_public' ] = $mod[ 'wp_obj' ]->comment_approved ? true : false;
	136	+
	137	+ $comment_rating = self::get_meta( $mod[ 'id' ], WPSSO_META_RATING_NAME, $single = true );
	138	+
	139	+ if ( is_numeric( $comment_rating ) ) {
	140	+
	141	+ $mod[ 'comment_rating' ] = $comment_rating;
	142	+ }
	143	+
	144	+ } else $mod[ 'wp_obj' ] = false;
	145	+ }
	146	+
	147	+ /*
	148	+ * Filter the comment mod array.
	149	+ */
	150	+ $mod = apply_filters( 'wpsso_get_comment_mod', $mod, $comment_id );
	151	+
	152	+ if ( $this->p->debug->enabled ) {
	153	+
	154	+ $this->p->debug->log_arr( 'mod', $mod );
	155	+ }
	156	+
	157	+ /*
	158	+ * Maybe save the array to the local cache.
	159	+ */
	160	+ if ( ! $this->md_cache_disabled ) {
	161	+
	162	+ $local_fifo[ $comment_id ] = $mod;
	163	+
	164	+ if ( $this->p->debug->enabled ) {
	165	+
	166	+ $this->p->debug->log_size( 'local_fifo', $local_fifo );
	167	+ }
	168	+ }
	169	+
	170	+ return $mod;
	171	+ }
	172	+
	173	+ public function get_mod_wp_object( array $mod ) {
	174	+
	175	+ if ( $mod[ 'wp_obj' ] instanceof WP_Comment ) {
	176	+
	177	+ return $mod[ 'wp_obj' ];
	178	+ }
	179	+
	180	+ return SucomUtilWP::get_comment_object( $mod[ 'id' ] );
	181	+ }
	182	+
	183	+ /*
	184	+ * Option handling methods:
	185	+ *
	186	+ * get_defaults()
	187	+ * get_options()
	188	+ * save_options()
	189	+ * delete_options()
	190	+ */
	191	+ public function get_options( $comment_id, $md_key = false, $filter_opts = true, $merge_defs = false ) {
	192	+
	193	+ if ( $this->p->debug->enabled ) {
	194	+
	195	+ $this->p->debug->mark_caller();
	196	+
	197	+ $this->p->debug->log_args( array(
	198	+ 'comment_id' => $comment_id,
	199	+ 'md_key' => $md_key,
	200	+ 'filter_opts' => $filter_opts,
	201	+ 'merge_defs' => $merge_defs,
	202	+ ) );
	203	+ }
	204	+
	205	+ static $local_fifo = array();
	206	+
	207	+ /*
	208	+ * Use $comment_id and $filter_opts to create the cache ID string, but do not add $merge_defs.
	209	+ */
	210	+ $cache_id = SucomUtil::get_assoc_salt( array( 'id' => $comment_id, 'filter' => $filter_opts ) );
	211	+
	212	+ /*
	213	+ * Maybe initialize a new local cache element. Use isset() instead of empty() to allow for an empty array.
	214	+ */
	215	+ if ( ! isset( $local_fifo[ $cache_id ] ) ) {
	216	+
	217	+ /*
	218	+ * Maybe limit the number of array elements.
	219	+ */
	220	+ $local_fifo = SucomUtil::array_slice_fifo( $local_fifo, WPSSO_CACHE_ARRAY_FIFO_MAX );
	221	+
	222	+ $local_fifo[ $cache_id ] = null; // Create an element to reference.
	223	+ }
	224	+
	225	+ $md_opts =& $local_fifo[ $cache_id ]; // Reference the local cache element.
	226	+
	227	+ if ( null === $md_opts ) { // Maybe read metadata into a new local cache element.
	228	+
	229	+ if ( $this->p->debug->enabled ) {
	230	+
	231	+ $this->p->debug->log( 'getting metadata for comment id ' . $comment_id );
	232	+ }
	233	+
	234	+ $md_opts = self::get_meta( $comment_id, WPSSO_META_NAME, $single = true );
	235	+
	236	+ if ( ! is_array( $md_opts ) ) {
	237	+
	238	+ $md_opts = array(); // WPSSO_META_NAME not found.
	239	+ }
	240	+
	241	+ unset( $md_opts[ 'opt_filtered' ] ); // Just in case.
	242	+
	243	+ /*
	244	+ * Check if options need to be upgraded and saved.
	245	+ */
	246	+ if ( $this->p->opt->is_upgrade_required( $md_opts ) ) {
	247	+
	248	+ $md_opts = $this->upgrade_options( $md_opts, $comment_id );
	249	+
	250	+ self::update_meta( $comment_id, WPSSO_META_NAME, $md_opts );
	251	+ }
	252	+ }
	253	+
	254	+ if ( $filter_opts ) {
	255	+
	256	+ if ( ! empty( $md_opts[ 'opt_filtered' ] ) ) { // Set before calling filters to prevent recursion.
	257	+
	258	+ if ( $this->p->debug->enabled ) {
	259	+
	260	+ $this->p->debug->log( 'skipping filters: options already filtered' );
	261	+ }
	262	+
	263	+ } else {
	264	+
	265	+ if ( $this->p->debug->enabled ) {
	266	+
	267	+ $this->p->debug->log( 'setting opt_filtered to 1' );
	268	+ }
	269	+
	270	+ $md_opts[ 'opt_filtered' ] = 1; // Set before calling filters to prevent recursion.
	271	+
	272	+ if ( $this->p->debug->enabled ) {
	273	+
	274	+ $this->p->debug->log( 'required call to WpssoComment->get_mod() for comment ID ' . $comment_id );
	275	+ }
	276	+
	277	+ $mod = $this->get_mod( $comment_id );
	278	+
	279	+ $filter_name = 'wpsso_get_md_options';
	280	+
	281	+ if ( $this->p->debug->enabled ) {
	282	+
	283	+ $this->p->debug->log( 'applying filters "' . $filter_name . '"' );
	284	+ }
	285	+
	286	+ $md_opts = apply_filters( $filter_name, $md_opts, $mod );
	287	+
	288	+ /*
	289	+ * Hooked by several integration modules to provide information about the current content.
	290	+ * e-Commerce integration modules will provide information on their product (price,
	291	+ * condition, etc.) and disable these options in the Document SSO metabox.
	292	+ */
	293	+ $filter_name = 'wpsso_get_' . $mod[ 'name' ] . '_options';
	294	+
	295	+ if ( $this->p->debug->enabled ) {
	296	+
	297	+ $this->p->debug->log( 'applying filters "' . $filter_name . '"' );
	298	+ }
	299	+
	300	+ $md_opts = apply_filters( $filter_name, $md_opts, $comment_id, $mod );
	301	+
	302	+ $filter_name = 'wpsso_sanitize_md_options';
	303	+
	304	+ if ( $this->p->debug->enabled ) {
	305	+
	306	+ $this->p->debug->log( 'applying filters "' . $filter_name . '"' );
	307	+ }
	308	+
	309	+ $md_opts = apply_filters( $filter_name, $md_opts, $mod );
	310	+ }
	311	+ }
	312	+
	313	+ /*
	314	+ * Maybe save the array to the local cache.
	315	+ */
	316	+ if ( $this->md_cache_disabled ) {
	317	+
	318	+ $deref_md_opts = $local_fifo[ $cache_id ]; // Dereference.
	319	+
	320	+ unset( $local_fifo, $md_opts );
	321	+
	322	+ return $this->return_options( $comment_id, $deref_md_opts, $md_key, $merge_defs );
	323	+ }
	324	+
	325	+ return $this->return_options( $comment_id, $md_opts, $md_key, $merge_defs );
	326	+ }
	327	+
	328	+ /*
	329	+ * Use $rel = false to extend WpssoAbstractWpMeta->save_options().
	330	+ */
	331	+ public function save_options( $comment_id, $rel = false ) {
	332	+
	333	+ if ( $this->p->debug->enabled ) {
	334	+
	335	+ $this->p->debug->log_args( array(
	336	+ 'comment_id' => $comment_id,
	337	+ ) );
	338	+ }
	339	+
	340	+ if ( empty( $comment_id ) ) { // Just in case.
	341	+
	342	+ if ( $this->p->debug->enabled ) {
	343	+
	344	+ $this->p->debug->log( 'exiting early: comment id is empty' );
	345	+ }
	346	+
	347	+ return;
	348	+
	349	+ } elseif ( ! $this->verify_submit_nonce() ) {
	350	+
	351	+ if ( $this->p->debug->enabled ) {
	352	+
	353	+ $this->p->debug->log( 'exiting early: verify_submit_nonce failed' );
	354	+ }
	355	+
	356	+ return;
	357	+
	358	+ /*
	359	+ * Check user capability for the comment id.
	360	+ */
	361	+ } elseif ( ! $this->user_can_edit( $comment_id ) ) {
	362	+
	363	+ if ( $this->p->debug->enabled ) {
	364	+
	365	+ $user_id = get_current_user_id();
	366	+
	367	+ $this->p->debug->log( 'exiting early: user id ' . $user_id . ' cannot edit comment id ' . $comment_id );
	368	+ }
	369	+
	370	+ return;
	371	+ }
	372	+
	373	+ $this->md_cache_disable(); // Disable the local cache.
	374	+
	375	+ $mod = $this->get_mod( $comment_id );
	376	+
	377	+ $md_opts = $this->get_submit_opts( $mod ); // Merge previous + submitted options and then sanitize.
	378	+
	379	+ $this->md_cache_enable(); // Re-enable the local cache.
	380	+
	381	+ if ( false === $md_opts ) {
	382	+
	383	+ if ( $this->p->debug->enabled ) {
	384	+
	385	+ $this->p->debug->log( 'exiting early: returned submit options is false' );
	386	+ }
	387	+
	388	+ return;
	389	+ }
	390	+
	391	+ $md_opts = apply_filters( 'wpsso_save_md_options', $md_opts, $mod );
	392	+
	393	+ $md_opts = apply_filters( 'wpsso_save_' . $mod[ 'name' ] . '_options', $md_opts, $comment_id, $mod );
	394	+
	395	+ return self::update_meta( $comment_id, WPSSO_META_NAME, $md_opts );
	396	+ }
	397	+
	398	+ /*
	399	+ * Use $rel = false to extend WpssoAbstractWpMeta->delete_options().
	400	+ */
	401	+ public function delete_options( $comment_id, $rel = false ) {
	402	+
	403	+ return self::delete_meta( $comment_id, WPSSO_META_NAME );
	404	+ }
	405	+
	406	+ public function refresh_cache_insert_comment( $comment_id, $comment ) {
	407	+
	408	+ if ( ! empty( $comment->comment_approved ) ) {
	409	+
	410	+ if ( ! empty( $comment->comment_post_ID ) ) {
	411	+
	412	+ $this->p->post->refresh_cache( $comment->comment_post_ID ); // Refresh the cache for a single post ID.
	413	+ }
	414	+ }
	415	+ }
	416	+
	417	+ public function refresh_cache_comment_status( $new_status, $old_status, $comment ) {
	418	+
	419	+ if ( 'approved' === $new_status || 'approved' === $old_status ) {
	420	+
	421	+ if ( ! empty( $comment->comment_post_ID ) ) {
	422	+
	423	+ $this->p->post->refresh_cache( $comment->comment_post_ID ); // Refresh the cache for a single post ID.
	424	+ }
	425	+ }
	426	+ }
	427	+
	428	+ /*
	429	+ * Retrieves or updates the metadata cache by key and group.
	430	+ */
	431	+ public function get_update_meta_cache( $comment_id ) {
	432	+
	433	+ return SucomUtilWP::get_update_meta_cache( $comment_id, $meta_type = 'comment' );
	434	+ }
	435	+
	436	+ /*
	437	+ * Check user capability for the comment id.
	438	+ *
	439	+ * Use $rel = false to extend WpssoAbstractWpMeta->user_can_edit().
	440	+ */
	441	+ public function user_can_edit( $comment_id, $rel = false ) {
	442	+
	443	+ $capability = 'edit_comment';
	444	+
	445	+ if ( ! current_user_can( $capability, $comment_id ) ) {
	446	+
	447	+ if ( $this->p->debug->enabled ) {
	448	+
	449	+ $this->p->debug->log( 'exiting early: cannot ' . $capability . ' for comment id ' . $comment_id );
	450	+ }
	451	+
	452	+ /*
	453	+ * Add notice only if the admin notices have not already been shown.
	454	+ */
	455	+ if ( $this->p->notice->is_admin_pre_notices() ) {
	456	+
	457	+ $this->p->notice->err( sprintf( __( 'Insufficient privileges to edit comment ID %1$s.', 'wpsso' ), $comment_id ) );
	458	+ }
	459	+
	460	+ return false;
	461	+ }
	462	+
	463	+ return true;
	464	+ }
	465	+
	466	+ /*
	467	+ * If $meta_key is en empty string, retrieves all metadata for the specified object ID.
	468	+ *
	469	+ * See https://developer.wordpress.org/reference/functions/get_metadata/.
	470	+ */
	471	+ public static function get_meta( $comment_id, $meta_key = '', $single = false ) {
	472	+
	473	+ return get_metadata( 'comment', $comment_id, $meta_key, $single );
	474	+ }
	475	+
	476	+ public static function update_meta( $comment_id, $meta_key, $value ) {
	477	+
	478	+ return update_metadata( 'comment', $comment_id, $meta_key, $value );
	479	+ }
	480	+
	481	+ public static function delete_meta( $comment_id, $meta_key ) {
	482	+
	483	+ return delete_metadata( 'comment', $comment_id, $meta_key );
	484	+ }
	485	+ }
	486	+}