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<?php
/**
* Table Model
*
* @package TablePress
* @subpackage Models
* @author Tobias Bäthge
* @since 1.0.0
*/
// Prohibit direct script loading.
defined( 'ABSPATH' ) || die( 'No direct script access allowed!' );
/**
* Table Model class
*
* @package TablePress
* @subpackage Models
* @author Tobias Bäthge
* @since 1.0.0
*/
class TablePress_Table_Model extends TablePress_Model {
/**
* Instance of the Post Type Model.
*
* @since 1.0.0
* @var TablePress_Post_Model
*/
protected $model_post;
/**
* Name of the Post Meta Field for table options.
*
* @since 1.0.0
* @var string
*/
protected $table_options_field_name = '_tablepress_table_options';
/**
* Name of the Post Meta Field for table visibility.
*
* @since 1.0.0
* @var string
*/
protected $table_visibility_field_name = '_tablepress_table_visibility';
/**
* Default set of tables.
*
* @since 1.0.0
* @var array{last_id: int, table_post: array<string, int>} {
* @type int $last_id Last table ID that was given to a new table.
* @type array<string, int> $table_post Connections between table ID and post ID (key: table ID, value: post ID).
* }
*/
protected $default_tables = array(
'last_id' => 0,
'table_post' => array(),
);
/**
* Instance of WP_Option class for the list of tables.
*
* @since 1.0.0
* @var TablePress_WP_Option
*/
protected $tables;
/**
* Init the Table model by instantiating a Post model and loading the list of tables option.
*
* @since 1.0.0
*/
public function __construct() {
parent::__construct();
$this->model_post = TablePress::load_model( 'post' );
$params = array(
'option_name' => 'tablepress_tables',
'default_value' => $this->default_tables,
);
$this->tables = TablePress::load_class( 'TablePress_WP_Option', 'class-wp_option.php', 'classes', $params );
}
/**
* Get the tables option, which holds the connection between table ID and post ID.
*
* @since 1.0.0
*
* @return mixed[] Current set of tables.
*/
public function _debug_get_tables(): array {
return $this->tables->get();
}
/**
* Update the tables option, which holds the connection between table ID and post ID.
*
* @since 1.0.0
*
* @param mixed[] $tables New set of tables.
*/
public function _debug_update_tables( array $tables ): void {
$this->tables->update( $tables );
}
/**
* Convert a table to a post, which can be stored in the database.
*
* @since 1.0.0
*
* @param array<string, mixed> $table Table.
* @param int $post_id Post ID of an existing table, or -1 for a new table.
* @return array<string, mixed> Post.
*/
protected function _table_to_post( array $table, int $post_id ): array {
// Run filters on content in each cell and other fields.
$table = $this->filter_content( $table );
// Sanitize each cell, table name, and table description, if the user is not allowed to work with unfiltered HTML.
if ( ! current_user_can( 'unfiltered_html' ) ) {
$table = $this->sanitize( $table );
}
// New posts have a post ID of false in WordPress.
if ( -1 === $post_id ) {
$post_id = false;
}
$post = array(
'ID' => $post_id,
'post_title' => $table['name'],
'post_excerpt' => $table['description'],
'post_content' => wp_json_encode( $table['data'], TABLEPRESS_JSON_OPTIONS ),
'post_mime_type' => 'application/json',
);
return $post;
}
/**
* Convert a post (from the database) to a table.
*
* @since 1.0.0
*
* @param WP_Post $post Post.
* @param string $table_id Table ID.
* @param bool $load_data Whether the table data shall be loaded.
* @return array<string, mixed> Table.
*/
protected function _post_to_table( WP_Post $post, string $table_id, bool $load_data ): array {
$table = array(
'id' => $table_id,
'name' => $post->post_title,
'description' => $post->post_excerpt,
'author' => $post->post_author,
// 'created' => $post->post_date,
'last_modified' => $post->post_modified,
);
if ( ! $load_data ) {
return $table;
}
$table['data'] = json_decode( $post->post_content, true );
// Check if JSON could be decoded.
if ( is_null( $table['data'] ) ) {
$table['data'] = array( array( "The internal data of table {$table_id} is corrupted." ) ); // Set a single cell as the cell content.
$table['is_corrupted'] = true;
$table['json_error'] = json_last_error_msg();
$table['description'] = "[ERROR] TABLE IS CORRUPTED (JSON error: {$table['json_error']})! DO NOT EDIT THIS TABLE NOW!\nInstead, please see https://tablepress.org/faq/corrupted-tables/ for instructions.\n-\n{$table['description']}";
} else {
// Specifically cast to an array again.
$table['data'] = (array) $table['data'];
}
return $table;
}
/**
* Load a table.
*
* @since 1.0.0
*
* @param string $table_id Table ID.
* @param bool $load_data Whether the table data shall be loaded.
* @param bool $load_options_visibility Whether the table options and table visibility shall be loaded.
* @return array<string, mixed>|WP_Error Table as an array on success, WP_Error on error.
*/
public function load( string $table_id, bool $load_data = true, bool $load_options_visibility = true ) /* : array|WP_Error */ {
if ( empty( $table_id ) ) {
return new WP_Error( 'table_load_empty_table_id' );
}
$post_id = $this->_get_post_id( $table_id );
if ( false === $post_id ) {
return new WP_Error( 'table_load_no_post_id_for_table_id', '', $table_id );
}
$post = $this->model_post->get( $post_id );
if ( false === $post ) {
return new WP_Error( 'table_load_no_post_for_post_id', '', $post_id );
}
$table = $this->_post_to_table( $post, $table_id, $load_data );
if ( $load_options_visibility ) {
$table['options'] = $this->_get_table_options( $post_id );
$table['visibility'] = $this->_get_table_visibility( $post_id );
}
return $table;
}
/**
* Load the IDs of all tables that can be loaded from the database.
*
* @since 1.0.0
*
* @param bool $prime_meta_cache Optional. Whether the prime the post meta cache when loading the posts.
* @param bool $run_filter Optional. Whether to run a filter on the list of table IDs.
* @return string[] Array of table IDs.
*/
public function load_all( bool $prime_meta_cache = true, bool $run_filter = true ): array {
$table_post = $this->tables->get( 'table_post' );
if ( empty( $table_post ) ) {
return array();
}
// Load all table posts with one query, to prime the cache.
$this->model_post->load_posts( array_values( $table_post ), $prime_meta_cache );
// This loop now uses the WP cache.
$table_ids = array();
foreach ( $table_post as $table_id => $post_id ) {
$table_id = (string) $table_id; // Ensure that the table ID is a string, as it comes from an array key where numeric strings are converted to integers.
// Load table without data and options to save memory.
$table = $this->load( $table_id, false, false );
// Skip tables that could not be loaded properly.
if ( ! is_wp_error( $table ) ) {
$table_ids[] = $table_id;
}
}
if ( $run_filter ) {
/**
* Filters all table IDs that are loaded.
*
* @since 1.4.0
*
* @param string[] $table_ids The table IDs that are loaded.
*/
$table_ids = apply_filters( 'tablepress_load_all_tables', $table_ids );
}
return $table_ids;
}
/**
* Sanitize the table to remove undesired HTML code using KSES.
*
* @since 1.8.0
*
* @param array<string, mixed> $table Table.
* @return array<string, mixed> Sanitized table.
*/
public function sanitize( array $table ): array {
// Sanitize the table name and description.
$fields = array( 'name', 'description' );
foreach ( $fields as $field ) {
$table[ $field ] = wp_kses_post( $table[ $field ] );
}
// Sanitize each cell.
foreach ( $table['data'] as $row_idx => $row ) {
foreach ( $row as $column_idx => $cell_content ) {
$table['data'][ $row_idx ][ $column_idx ] = wp_kses_post( $cell_content ); // Equals wp_filter_post_kses(), but without the unnecessary slashes handling.
}
}
return $table;
}
/**
* Filter/modify the content of table cells and other fields, e.g. for security hardening.
*
* This is similar to the `sanitize()` method, but executed for all users.
* In 1.10.0, adding `rel="noopener noreferrer"` to all HTML link elements like `<a target=` was added. See https://core.trac.wordpress.org/ticket/43187.
* Since 1.13.0, and on WP 5.6, only `rel="noopener"` is added. See https://core.trac.wordpress.org/ticket/49558.
*
* @since 1.10.0
*
* @param array<string, mixed> $table Table.
* @return array<string, mixed> Filtered/modified table.
*/
public function filter_content( array $table ): array {
/**
* Filters whether the contents of table cells and fields should be filtered/modified.
*
* @since 1.10.0
*
* @param bool $filter Whether to filter the content of table cells and other fields. Default true.
*/
if ( ! apply_filters( 'tablepress_filter_table_cell_content', true ) ) {
return $table;
}
// Filter the table name and description.
$fields = array( 'name', 'description' );
foreach ( $fields as $field ) {
$table[ $field ] = wp_targeted_link_rel( $table[ $field ] );
}
foreach ( $table['data'] as $row_idx => $row ) {
foreach ( $row as $column_idx => $cell_content ) {
$table['data'][ $row_idx ][ $column_idx ] = wp_targeted_link_rel( $cell_content );
}
}
return $table;
}
/**
* Save a table.
*
* @since 1.0.0
*
* @param array<string, mixed> $table Table (needs to have $table['id']!).
* @return string|WP_Error WP_Error on error, string table ID on success.
*/
public function save( array $table ) /* : string|WP_Error */ {
if ( empty( $table['id'] ) ) {
return new WP_Error( 'table_save_empty_table_id' );
}
$post_id = $this->_get_post_id( $table['id'] );
if ( false === $post_id ) {
return new WP_Error( 'table_save_no_post_id_for_table_id', '', $table['id'] );
}
$post = $this->_table_to_post( $table, $post_id );
$new_post_id = $this->model_post->update( $post );
if ( is_wp_error( $new_post_id ) ) {
$error = new WP_Error( 'table_save_post_update', '', $post_id );
$error->merge_from( $new_post_id );
return $error;
}
if ( $post_id !== $new_post_id ) {
return new WP_Error( 'table_save_new_post_id_does_not_match', '', $new_post_id );
}
$options_saved = $this->_update_table_options( $new_post_id, $table['options'] );
if ( ! $options_saved ) {
return new WP_Error( 'table_save_update_table_options_failed', '', $new_post_id );
}
$visibility_saved = $this->_update_table_visibility( $new_post_id, $table['visibility'] );
if ( ! $visibility_saved ) {
return new WP_Error( 'table_save_update_table_visibility_failed', '', $new_post_id );
}
// At this point, post was successfully added.
// Invalidate table output caches that belong to this table.
$this->invalidate_table_output_cache( $table['id'] );
// Flush caching plugins' caches.
$this->_flush_caching_plugins_caches();
/**
* Fires after a table has been saved.
*
* @since 1.5.0
*
* @param string $table_id ID of the added table.
*/
do_action( 'tablepress_event_saved_table', $table['id'] );
return $table['id'];
}
/**
* Add a new table.
*
* @since 1.0.0
*
* @param array<string, mixed> $table Table ($table['id'] is not necessary).
* @param string $copy_or_add Optional. 'copy' if the table is copied, 'add' if it is a new table. Default 'add'.
* @return string|WP_Error WP_Error on error, string table ID of the new table on success.
*/
public function add( array $table, string $copy_or_add = 'add' ) /* : string|WP_Error */ {
$post_id = -1; // To insert table.
$post = $this->_table_to_post( $table, $post_id );
$new_post_id = $this->model_post->insert( $post );
if ( is_wp_error( $new_post_id ) ) {
$error = new WP_Error( 'table_add_post_insert', '' );
$error->merge_from( $new_post_id );
return $error;
}
$options_saved = $this->_add_table_options( $new_post_id, $table['options'] );
if ( ! $options_saved ) {
return new WP_Error( 'table_add_update_table_options_failed', '', $new_post_id );
}
$visibility_saved = $this->_add_table_visibility( $new_post_id, $table['visibility'] );
if ( ! $visibility_saved ) {
return new WP_Error( 'table_add_update_table_visibility_failed', '', $new_post_id );
}
// At this point, post was successfully added, now get an unused table ID.
$table_id = $this->_get_new_table_id();
$this->_update_post_id( $table_id, $new_post_id );
if ( 'add' === $copy_or_add ) {
/**
* Fires after a new table has been added.
*
* @since 1.1.0
*
* @param string $table_id ID of the added table.
*/
do_action( 'tablepress_event_added_table', $table_id );
}
return $table_id;
}
/**
* Create a copy of a table and add it.
*
* @since 1.0.0
*
* @param string $table_id ID of the table to be copied.
* @return string|WP_Error WP_Error on error, string table ID of the new table on success.
*/
public function copy( string $table_id ) /* : string|WP_Error */ {
$table = $this->load( $table_id, true, true );
if ( is_wp_error( $table ) ) {
$error = new WP_Error( 'table_copy_table_load', '', $table_id );
$error->merge_from( $table );
return $error;
}
// Adjust name of copied table.
if ( '' === trim( $table['name'] ) ) {
$table['name'] = __( '(no name)', 'tablepress' );
}
$table['name'] = sprintf( __( 'Copy of %s', 'tablepress' ), $table['name'] );
// Merge this data into an empty table template.
$table = $this->prepare_table( $this->get_table_template(), $table, false );
if ( is_wp_error( $table ) ) {
$error = new WP_Error( 'table_copy_table_prepare', '', $table_id );
$error->merge_from( $table );
return $error;
}
// Add the copied table.
$new_table_id = $this->add( $table, 'copy' );
if ( is_wp_error( $new_table_id ) ) {
$error = new WP_Error( 'table_copy_table_add', '', $table_id );
$error->merge_from( $new_table_id );
return $error;
}
/**
* Fires after an existing table has been copied.
*
* @since 1.1.0
*
* @param string $new_table_id ID of the copy of the table.
* @param string $table_id ID of the existing table that is copied.
*/
do_action( 'tablepress_event_copied_table', $new_table_id, $table_id );
return $new_table_id;
}
/**
* Delete a table (and its options).
*
* @since 1.0.0
*
* @param string $table_id ID of the table to be deleted.
* @return bool|WP_Error WP_Error on error, true on success.
*/
public function delete( string $table_id ) /* : true|WP_Error */ {
if ( ! $this->table_exists( $table_id ) ) {
return new WP_Error( 'table_delete_table_does_not_exist', '', $table_id );
}
$post_id = $this->_get_post_id( $table_id ); // No ! false check necessary, as this is covered by table_exists() check above.
$deleted = $this->model_post->delete( $post_id ); // Post Meta fields will be deleted automatically by that function. // @phpstan-ignore-line .
if ( false === $deleted ) {
return new WP_Error( 'table_delete_post_could_not_be_deleted', '', $post_id );
}
// If post was deleted successfully, remove the table ID from the list of tables.
$this->_remove_post_id( $table_id );
// Invalidate table output caches that belong to this table.
$this->invalidate_table_output_cache( $table_id );
// Flush caching plugins' caches.
$this->_flush_caching_plugins_caches();
/**
* Fires after a table has been deleted.
*
* @since 1.1.0
*
* @param string $table_id ID of the deleted table.
*/
do_action( 'tablepress_event_deleted_table', $table_id );
return true;
}
/**
* Delete all tables.
*
* @since 1.0.0
*/
public function delete_all(): void {
$tables = $this->tables->get();
if ( empty( $tables['table_post'] ) ) {
return;
}
foreach ( $tables['table_post'] as $table_id => $post_id ) {
$table_id = (string) $table_id; // Ensure that the table ID is a string, as it comes from an array key where numeric strings are converted to integers.
$this->model_post->delete( $post_id ); // Post Meta fields will be deleted automatically by that function.
unset( $tables['table_post'][ $table_id ] );
// Invalidate table output caches that belong to this table.
$this->invalidate_table_output_cache( $table_id );
}
$this->tables->update( $tables );
// Flush caching plugins' caches.
$this->_flush_caching_plugins_caches();
/**
* Fires after all tables have been deleted.
*
* @since 1.1.0
*/
do_action( 'tablepress_event_deleted_all_tables' );
}
/**
* Check if a table ID exists in the list of tables (this does not guarantee that the post with the table data exists!).
*
* @since 1.0.0
*
* @param string $table_id Table ID.
* @return bool Whether the table ID exists.
*/
public function table_exists( string $table_id ): bool {
$table_post = $this->tables->get( 'table_post' );
return isset( $table_post[ $table_id ] );
}
/**
* Count the number of tables from either just the list, or by also counting the posts in the database.
*
* @since 1.0.0
*
* @param bool $single_value Optional. Whether to return just the number of tables from the list, or also count in the database.
* @return int|array{list: int, db: int} Number of Tables (if $single_value), or array of Numbers from list/DB (if ! $single_value).
*/
public function count_tables( bool $single_value = true ) /* : int|array */ {
$count_list = count( $this->tables->get( 'table_post' ) );
if ( $single_value ) {
return $count_list;
}
$count_db = $this->model_post->count_posts();
return array(
'list' => $count_list,
'db' => $count_db,
);
}
/**
* Delete all transients used for output caching of a table (e.g. when the table is updated or deleted).
*
* @since 1.0.0
* @since 1.8.0 Renamed from _invalidate_table_output_cache to invalidate_table_output_cache and made public.
*
* @param string $table_id Table ID.
*/
public function invalidate_table_output_cache( string $table_id ): void {
$caches_list_transient_name = 'tablepress_c_' . md5( $table_id );
$caches_list = get_transient( $caches_list_transient_name );
if ( false !== $caches_list ) {
$caches_list = (array) json_decode( $caches_list, true );
foreach ( $caches_list as $cache_transient_name ) {
delete_transient( $cache_transient_name );
}
}
delete_transient( $caches_list_transient_name );
}
/**
* Flush the caches of common caching plugins.
*
* @since 1.0.0
*/
public function _flush_caching_plugins_caches(): void {
/**
* Filters whether the caches of common caching plugins shall be flushed.
*
* @since 1.0.0
*
* @param bool $flush Whether caches of caching plugins shall be flushed. Default true.
*/
if ( ! apply_filters( 'tablepress_flush_caching_plugins_caches', true ) ) {
return;
}
// Common cache flush callback.
$cache_flush_callbacks = array(
array( 'Breeze_PurgeCache', 'breeze_cache_flush' ), // Breeze.
array( 'comet_cache', 'clear' ), // Comet Cache.
'pantheon_wp_clear_edge_all', // Pantheon.
'sg_cachepress_purge_cache', // SG Optimizer.
array( 'Swift_Performance_Cache', 'clear_all_cache' ), // Swift Performance.
'w3tc_pgcache_flush', // W3 Total Cache.
array( 'WpeCommon', 'purge_memcached' ), // WP Engine.
array( 'WpeCommon', 'clear_maxcdn_cache' ), // WP Engine.
array( 'WpeCommon', 'purge_varnish_cache' ), // WP Engine.
'wpfc_clear_all_cache', // WP Fastest Cache.
'rocket_clean_domain', // WP Rocket.
'wp_cache_clear_cache', // WP Super Cache.
array( 'zencache', 'clear' ), // Zen Cache.
);
foreach ( $cache_flush_callbacks as $cache_flush_callback ) {
if ( is_callable( $cache_flush_callback ) ) {
call_user_func( $cache_flush_callback );
}
}
// Common cache flush hooks.
$cache_flush_hooks = array(
'ce_clear_cache', // Cache Enabler.
'cachify_flush_cache', // Cachify.
'autoptimize_action_cachepurged', // Hyper Cache.
);
foreach ( $cache_flush_hooks as $cache_flush_hook ) {
do_action( $cache_flush_hook );
}
// Kinsta.
if ( isset( $GLOBALS['kinsta_cache'] ) && ! empty( $GLOBALS['kinsta_cache']->kinsta_cache_purge ) && is_callable( array( $GLOBALS['kinsta_cache']->kinsta_cache_purge, 'purge_complete_caches' ) ) ) {
$GLOBALS['kinsta_cache']->kinsta_cache_purge->purge_complete_caches(); // @phpstan-ignore-line
}
// LiteSpeed Cache.
if ( is_callable( array( 'LiteSpeed_Cache_Tags', 'add_purge_tag' ) ) ) {
LiteSpeed_Cache_Tags::add_purge_tag( '*' ); // @phpstan-ignore-line
}
// Pagely.
if ( class_exists( 'PagelyCachePurge' ) ) {
$_pagely = new PagelyCachePurge();
if ( is_callable( array( $_pagely, 'purgeAll' ) ) ) {
$_pagely->purgeAll();
}
}
// Pressidum.
if ( is_callable( array( 'Ninukis_Plugin', 'get_instance' ) ) ) {
$_pressidum = Ninukis_Plugin::get_instance(); // @phpstan-ignore-line
if ( is_callable( array( $_pressidum, 'purgeAllCaches' ) ) ) {
$_pressidum->purgeAllCaches(); // @phpstan-ignore-line
}
}
// Savvii.
if ( defined( '\Savvii\CacheFlusherPlugin::NAME_DOMAINFLUSH_NOW' ) ) {
$_savvii = new \Savvii\CacheFlusherPlugin(); // @phpstan-ignore-line
if ( is_callable( array( $_savvii, 'domainflush' ) ) ) {
$_savvii->domainflush(); // @phpstan-ignore-line
}
}
// WP Fastest Cache.
if ( isset( $GLOBALS['wp_fastest_cache'] ) && is_callable( array( $GLOBALS['wp_fastest_cache'], 'deleteCache' ) ) ) {
$GLOBALS['wp_fastest_cache']->deleteCache( true ); // @phpstan-ignore-line
}
// WP-Optimize.
if ( function_exists( 'WP_Optimize' ) ) {
WP_Optimize()->get_page_cache()->purge();
}
}
/**
* Get the post ID of a given table ID (if the table ID exists).
*
* @since 1.0.0
*
* @param string $table_id Table ID.
* @return int|false Post ID on success, false on error.
*/
protected function _get_post_id( string $table_id ) /* : int|false */ {
$table_post = $this->tables->get( 'table_post' );
if ( ! isset( $table_post[ $table_id ] ) ) {
return false;
}
return $table_post[ $table_id ];
}
/**
* Update/Add a post ID for a given table ID, and sort the list of tables by their key in natural sort order.
*
* @since 1.0.0
*
* @param string $table_id Table ID.
* @param int $post_id Post ID.
*/
protected function _update_post_id( string $table_id, int $post_id ): void {
$tables = $this->tables->get();
$tables['table_post'][ $table_id ] = $post_id;
uksort( $tables['table_post'], 'strnatcasecmp' );
$this->tables->update( $tables );
}
/**
* Remove a table ID/post ID connection from the list of tables.
*
* @since 1.0.0
*
* @param string $table_id Table ID.
*/
protected function _remove_post_id( string $table_id ): void {
$tables = $this->tables->get();
unset( $tables['table_post'][ $table_id ] );
$this->tables->update( $tables );
}
/**
* Change the table ID of a table.
*
* @since 1.0.0
*
* @param string $old_id Old table ID.
* @param string $new_id New table ID.
* @return bool|WP_Error True on success, WP_Error on error.
*/
public function change_table_id( string $old_id, string $new_id ) /* : true|WP_Error */ {
$post_id = $this->_get_post_id( $old_id );
if ( false === $post_id ) {
return new WP_Error( 'table_change_id_no_post_id_for_table_id', '', $old_id );
}
// Check new ID for correct format (string from letters, numbers, -, and _ only, except the '0' string).
if ( empty( $new_id ) || 0 !== preg_match( '/[^a-zA-Z0-9_-]/', $new_id ) ) {
return new WP_Error( 'table_change_id_new_id_is_invalid', '', $new_id );
}
if ( $this->table_exists( $new_id ) ) {
return new WP_Error( 'table_change_table_new_id_exists', '', $new_id );
}
$this->_update_post_id( $new_id, $post_id );
$this->_remove_post_id( $old_id );
/**
* Fires after the ID of a table has been changed.
*
* @since 1.1.0
*
* @param string $new_id New ID of the table.
* @param string $old_id Old ID of the table.
*/
do_action( 'tablepress_event_changed_table_id', $new_id, $old_id );
return true;
}
/**
* Get an unused table ID (e.g. for a new table).
*
* @since 1.0.0
*
* @return string Unused table ID (e.g. for a new table).
*/
protected function _get_new_table_id(): string {
$tables = $this->tables->get();
// Need to check new ID candidate in a loop, because a higher ID might already be in use, if a table ID was changed manually.
do {
++$tables['last_id'];
$last_id_string = (string) $tables['last_id'];
} while ( $this->table_exists( $last_id_string ) );
$this->tables->update( $tables );
return $last_id_string;
}
/**
* Get the template for an empty table.
*
* Important: This scheme is versioned via TablePress::table_scheme_version; changes likely need a version update!
*
* @since 1.0.0
*
* @return array<string, mixed> Empty table.
*/
public function get_table_template(): array {
// Attention: Array keys have to be lowercase, to make it possible to match them with Shortcode attributes!
$table = array(
'id' => false,
'name' => '',
'description' => '',
'data' => array( array( '' ) ), // One empty cell.
'last_modified' => wp_date( 'Y-m-d H:i:s' ),
'author' => get_current_user_id(),
'options' => array(
'last_editor' => get_current_user_id(),
'table_head' => true,
'table_foot' => false,
'alternating_row_colors' => true,
'row_hover' => true,
'print_name' => false,
'print_name_position' => 'above',
'print_description' => false,
'print_description_position' => 'below',
'extra_css_classes' => '',
// DataTables JavaScript library.
'use_datatables' => true,
'datatables_sort' => true,
'datatables_filter' => true,
'datatables_paginate' => true,
'datatables_lengthchange' => true,
'datatables_paginate_entries' => 10,
'datatables_info' => true,
'datatables_scrollx' => false,
'datatables_custom_commands' => '',
),
'visibility' => array(
'rows' => array( 1 ), // One visbile row.
'columns' => array( 1 ), // One visible column.
),
);
/**
* Filters the default template/structure of an empty table.
*
* @since 1.0.0
*
* @param array<string, mixed> $table Default template/structure of an empty table.
*/
return apply_filters( 'tablepress_table_template', $table );
}
/**
* Combine two tables (e.g. an existing one with the updated data, or an empty one with new data).
*
* Performs consistency checks on data and visibility settings.
*
* @since 1.0.0
*
* @param array<string, mixed> $table Table to merge into.
* @param array<string, mixed> $new_table Table to merge.
* @param bool $table_size_check Optional. Whether to check the number of rows and columns (e.g. not necessary for added or copied tables).
* @return array<string, mixed>|WP_Error Merged table on success, WP_Error on error.
*/
public function prepare_table( array $table, array $new_table, bool $table_size_check = true ) /* : array|WP_Error */ {
// Table ID must be the same (if there was an ID already).
if ( false !== $table['id'] && $table['id'] !== $new_table['id'] ) {
return new WP_Error( 'table_prepare_no_id_match', '', $new_table['id'] );
}
// Name, description, and data array need to exist, data must not be empty, the others could be ''.
if ( ! isset( $new_table['name'], $new_table['description'] )
|| empty( $new_table['data'] ) || empty( $new_table['data'][0] ) ) {
return new WP_Error( 'table_prepare_name_description_or_data_not_set' );
}
// Visibility needs to exist.
if ( ! isset( $new_table['visibility']['rows'], $new_table['visibility']['columns'] ) ) {
return new WP_Error( 'table_prepare_visibility_not_set' );
}
$new_table['visibility']['rows'] = array_map( 'intval', $new_table['visibility']['rows'] );
$new_table['visibility']['columns'] = array_map( 'intval', $new_table['visibility']['columns'] );
// Check dimensions of table data array (not done for newly added, copied, or imported tables).
if ( $table_size_check ) {
if ( ! isset( $new_table['number']['rows'], $new_table['number']['columns'] ) ) {
return new WP_Error( 'table_prepare_size_check_numbers_not_set' );
}
// Table data needs to be ok, and have the correct number of rows and columns.
$new_table['number']['rows'] = (int) $new_table['number']['rows'];
$new_table['number']['columns'] = (int) $new_table['number']['columns'];
if ( 0 === $new_table['number']['rows']
|| 0 === $new_table['number']['columns']
|| count( $new_table['data'] ) !== $new_table['number']['rows']
|| count( $new_table['data'][0] ) !== $new_table['number']['columns'] ) {
return new WP_Error( 'table_prepare_size_check_numbers_dont_match' );
}
// Visibility also needs to have correct dimensions.
if ( count( $new_table['visibility']['rows'] ) !== $new_table['number']['rows']
|| count( $new_table['visibility']['columns'] ) !== $new_table['number']['columns'] ) {
return new WP_Error( 'table_prepare_size_check_visibility_doesnt_match' );
}
}
// All checks were successful, replace original values with new ones.
// $table['id'] is either false (and remains false) or already equal to $new_table['id'].
$table['new_id'] = $new_table['new_id'] ?? $table['id'];
$table['name'] = $new_table['name'];
$table['description'] = $new_table['description'];
$table['data'] = $new_table['data'];
// Make sure that cells are stored as strings.
array_walk_recursive(
$table['data'],
static function ( /* string|int|float|bool|null */ &$cell_content, int $col_idx ): void {
$cell_content = (string) $cell_content;
}
);
// Table Options.
if ( isset( $new_table['options'] ) ) { // Options are for example not set for newly added tables.
// Specials check for certain options.
if ( isset( $new_table['options']['extra_css_classes'] ) ) {
$new_table['options']['extra_css_classes'] = explode( ' ', $new_table['options']['extra_css_classes'] );
$new_table['options']['extra_css_classes'] = array_map( array( 'TablePress', 'sanitize_css_class' ), $new_table['options']['extra_css_classes'] );
$new_table['options']['extra_css_classes'] = array_unique( $new_table['options']['extra_css_classes'] );
$new_table['options']['extra_css_classes'] = trim( implode( ' ', $new_table['options']['extra_css_classes'] ) );
}
if ( isset( $new_table['options']['datatables_paginate_entries'] ) ) {
$new_table['options']['datatables_paginate_entries'] = (int) $new_table['options']['datatables_paginate_entries'];
if ( $new_table['options']['datatables_paginate_entries'] < 1 ) {
$new_table['options']['datatables_paginate_entries'] = 10; // Default value.
}
}
// Merge new options.
$default_table = $this->get_table_template();
$table['options'] = array_intersect_key( $table['options'], $default_table['options'] );
$new_table['options'] = array_intersect_key( $new_table['options'], $default_table['options'] );
$table['options'] = array_merge( $table['options'], $new_table['options'] );
}
// Table Visibility.
$table['visibility']['rows'] = $new_table['visibility']['rows'];
$table['visibility']['columns'] = $new_table['visibility']['columns'];
// $table['author'] = get_current_user_id(); // We don't want this, as it would override the original author.
// $table['created'] = wp_date( 'Y-m-d H:i:s' ); // We don't want this, as it would override the original datetime.
$table['last_modified'] = wp_date( 'Y-m-d H:i:s' );
$table['options']['last_editor'] = get_current_user_id();
return $table;
}
/**
* Save the table options of a table (in a post meta field of the table's post).
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @param array<string, mixed> $options Table options.
* @return bool True on success, false on error.
*/
protected function _add_table_options( int $post_id, array $options ): bool {
$options = wp_json_encode( $options, TABLEPRESS_JSON_OPTIONS );
return $this->model_post->add_meta_field( $post_id, $this->table_options_field_name, $options ); // @phpstan-ignore-line
}
/**
* Update the table options of a table (in a post meta field in the table's post).
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @param array<string, mixed> $options Table options.
* @return bool True on success, false on error.
*/
protected function _update_table_options( int $post_id, array $options ): bool {
$options = wp_json_encode( $options, TABLEPRESS_JSON_OPTIONS );
return $this->model_post->update_meta_field( $post_id, $this->table_options_field_name, $options ); // @phpstan-ignore-line
}
/**
* Get the table options of a table (from a post meta field of the table's post).
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @return array<string, mixed> Table options on success, empty array on error.
*/
protected function _get_table_options( int $post_id ): array {
$options = $this->model_post->get_meta_field( $post_id, $this->table_options_field_name );
if ( empty( $options ) ) {
return array();
}
return (array) json_decode( $options, true );
}
/**
* Save the table visibility of a table (in a post meta field of the table's post).
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @param array{rows: int[], columns: int[]} $visibility Table visibility.
* @return bool True on success, false on error.
*/
protected function _add_table_visibility( int $post_id, array $visibility ): bool {
$visibility = wp_json_encode( $visibility, TABLEPRESS_JSON_OPTIONS );
return $this->model_post->add_meta_field( $post_id, $this->table_visibility_field_name, $visibility ); // @phpstan-ignore-line
}
/**
* Update the table visibility of a table (in a post meta field in the table's post).
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @param array{rows: int[], columns: int[]} $visibility Table visibility.
* @return bool True on success, false on error.
*/
protected function _update_table_visibility( int $post_id, array $visibility ): bool {
$visibility = wp_json_encode( $visibility, TABLEPRESS_JSON_OPTIONS );
return $this->model_post->update_meta_field( $post_id, $this->table_visibility_field_name, $visibility ); // @phpstan-ignore-line
}
/**
* Get the table visibility of a table (from a post meta field of the table's post).
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @return array{rows: int[], columns: int[]} Table visibility on success, empty array on error.
*/
protected function _get_table_visibility( int $post_id ): array {
$visibility = $this->model_post->get_meta_field( $post_id, $this->table_visibility_field_name );
if ( empty( $visibility ) ) {
return array(
'rows' => array(),
'columns' => array(),
);
}
return json_decode( $visibility, true );
}
/**
* Merge existing Table Options with default Table Options,
* remove (no longer) existing options, after a table scheme change,
* for all tables.
*
* @since 1.0.0
* @since 2.0.0 Add optional $remove_old_options parameter.
*
* @param bool $remove_old_options Optional. Whether old table options should be removed from the database. Default true.
*/
public function merge_table_options_defaults( bool $remove_old_options = true ): void {
$table_post = $this->tables->get( 'table_post' );
if ( empty( $table_post ) ) {
return;
}
// Prime the meta cache with the table options of all tables.
update_meta_cache( 'post', array_values( $table_post ) );
// Get default Table with default Table Options.
$default_table = $this->get_table_template();
// Go through all tables (this loop now uses the WP cache).
foreach ( $table_post as $post_id ) {
$table_options = $this->_get_table_options( $post_id );
if ( $remove_old_options ) {
// Remove old (i.e. no longer existing) Table Options.
$table_options = array_intersect_key( $table_options, $default_table['options'] );
}
// Merge current into new Table Options.
$table_options = array_merge( $default_table['options'], $table_options );
$this->_update_table_options( $post_id, $table_options );
}
}
/**
* Invalidate all table output caches, e.g. after a plugin update.
*
* @since 1.0.0
*/
public function invalidate_table_output_caches(): void {
$table_post = $this->tables->get( 'table_post' );
if ( empty( $table_post ) ) {
return;
}
foreach ( $table_post as $table_id => $post_id ) {
$table_id = (string) $table_id; // Ensure that the table ID is a string, as it comes from an array key where numeric strings are converted to integers.
$this->invalidate_table_output_cache( $table_id );
}
}
/**
* Add mime type field to existing posts with the TablePress Custom Post Type,
* so that other plugins know that they are not dealing with plain text.
*
* @since 1.5.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*/
public function add_mime_type_to_posts(): void {
global $wpdb;
$wpdb->update( $wpdb->posts, array( 'post_mime_type' => 'application/json' ), array( 'post_type' => $this->model_post->get_post_type() ) ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
}
/**
* Add a table ID for a post (table) that was imported through the WP WXR importer to the table ID to post ID map.
*
* @since 1.5.0
*
* @param int|WP_Error $post_id Post ID of the imported post on success. 0 or WP_Error on failure.
* @param int $original_post_id Original post ID that the post had on the site where it was exported from.
* @param array<string, mixed> $postdata Post data that was imported into the database.
* @param array<string, mixed> $post Original post data as it was exported.
*/
public function add_table_id_on_wp_import( /* int|WP_Error */ $post_id, int $original_post_id, array $postdata, array $post ): void {
// Bail if the post could not be imported or if the post is not a TablePress table.
if ( is_wp_error( $post_id ) || $this->model_post->get_post_type() !== $postdata['post_type'] ) {
return;
}
// Extract the table IDs from the `_tablepress_export_table_id` post meta field.
$table_ids = array();
if ( isset( $post['postmeta'] ) && is_array( $post['postmeta'] ) ) {
foreach ( $post['postmeta'] as $postmeta ) {
if ( '_tablepress_export_table_id' === $postmeta['key'] ) {
$table_ids = $postmeta['value'];
$table_ids = explode( ',', $table_ids );
break;
}
}
}
// Save the post ID for each of the table IDs.
$post_id_saved = false;
foreach ( $table_ids as $table_id ) {
$table_id = (string) preg_replace( '/[^a-zA-Z0-9_-]/', '', $table_id );
if ( '' === $table_id || $this->table_exists( $table_id ) ) {
continue;
}
$this->_update_post_id( $table_id, $post_id );
$post_id_saved = true;
}
// Save the post ID for a new table ID if it could not be saved for any of the imported table IDs.
if ( ! $post_id_saved ) {
$table_id = $this->_get_new_table_id();
$this->_update_post_id( $table_id, $post_id );
}
}
/**
* Remove the `_tablepress_export_table_id` post meta field from the fields that are imported during a WP WXR import.
*
* @since 1.5.0
*
* @param array<string, mixed> $postmeta Post meta fields for the post.
* @param int $post_id Post ID.
* @param array<string, mixed> $post Post.
* @return array<string, mixed> Modified post meta fields.
*/
public function prevent_table_id_post_meta_import_on_wp_import( array $postmeta, int $post_id, array $post ): array {
// Bail if the post is not a TablePress table.
if ( $this->model_post->get_post_type() !== $post['post_type'] ) {
return $postmeta;
}
// Remove the `_tablepress_export_table_id` post meta field from the post meta fields.
foreach ( $postmeta as $index => $meta ) {
if ( '_tablepress_export_table_id' === $meta['key'] ) {
unset( $postmeta[ $index ] );
}
}
return $postmeta;
}
/**
* Add the table IDs for an exported post (table) to the WP WXR export file.
*
* The table IDs for a table are exported in a faked post meta field.
* As there's no action for adding extra data to the WXR export file, we hijack the `wxr_export_skip_postmeta` filter hook.
*
* @since 1.5.0
*
* @param bool $skip Whether to skip the current post meta. Default false.
* @param string $meta_key Current meta key.
* @param stdClass $meta Current meta object.
* @return bool Whether to skip the current post meta (unchanged $skip parameter).
*/
public function add_table_id_to_wp_export( bool $skip, string $meta_key, stdClass $meta ): bool {
// Bail if the exporter doesn't process a TablePress table right now.
if ( $this->table_options_field_name !== $meta_key ) {
return $skip;
}
// Find all table IDs that map to the post ID of the table that is currently being exported.
$table_post = $this->tables->get( 'table_post' );
$table_ids = array_keys( $table_post, (int) $meta->post_id, true );
// Bail if no table IDs are mapped to this post ID.
if ( empty( $table_ids ) ) {
return $skip;
}
// Pretend that there is a `_tablepress_export_table_id` post meta field with the list of table IDs.
$key = '_tablepress_export_table_id';
$value = wxr_cdata( implode( ',', $table_ids ) ); // @phpstan-ignore-line
// Hijack the filter and print extra XML code for our faked post meta field.
// phpcs:disable WordPress.Security.EscapeOutput.HeredocOutputNotEscaped
echo <<<WXR
<wp:postmeta>
<wp:meta_key>{$key}</wp:meta_key>
<wp:meta_value>{$value}</wp:meta_value>
</wp:postmeta>\n
WXR;
// phpcs:enable
return $skip;
}
/**
* Delete the WP_Option of the model.
*
* @since 1.0.0
*/
public function destroy(): void {
$this->tables->delete();
}
} // class TablePress_Table_Model