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<?php
/**
* Post Model
*
* @package TablePress
* @subpackage Models
* @author Tobias Bäthge
* @since 1.0.0
*/
// Prohibit direct script loading.
defined( 'ABSPATH' ) || die( 'No direct script access allowed!' );
/**
* Post Model class
*
* @package TablePress
* @subpackage Models
* @author Tobias Bäthge
* @since 1.0.0
*/
class TablePress_Post_Model extends TablePress_Model {
/**
* Name of the "Custom Post Type" for the tables.
*
* @since 1.0.0
* @var string
*/
protected $post_type = 'tablepress_table';
/**
* Init the model by registering the Custom Post Type.
*
* @since 1.0.0
*/
public function __construct() {
parent::__construct();
$this->_register_post_type(); // We are on WP "init" hook already.
}
/**
* Register the Custom Post Type which the tables use.
*
* @since 1.0.0
*/
protected function _register_post_type(): void {
/**
* Filters the "Custom Post Type" that TablePress uses for storing tables in the database.
*
* @since 1.0.0
*
* @param string $post_type The "Custom Post Type" that TablePress uses.
*/
$this->post_type = apply_filters( 'tablepress_post_type', $this->post_type );
$post_type_args = array(
'labels' => array(
'name' => 'TablePress Tables',
),
'public' => false,
'show_ui' => false,
'query_var' => false,
'rewrite' => false,
'capability_type' => 'tablepress_table', // This ensures, that WP's regular CPT UI respects our capabilities.
'map_meta_cap' => false, // Integrated WP mapping does not fit our needs, therefore use our own in a filter.
'supports' => array( 'title', 'editor', 'excerpt', 'revisions' ),
'can_export' => true,
);
/**
* Filters the arguments for the registration of the "Custom Post Type" that TablePress uses.
*
* @since 1.0.0
*
* @param array<string, mixed> $post_type_args Arguments for the registration of the TablePress "Custom Post Type".
*/
$post_type_args = apply_filters( 'tablepress_post_type_args', $post_type_args );
register_post_type( $this->post_type, $post_type_args );
}
/**
* Insert a post with the correct Custom Post Type and default values in the the wp_posts table in the database.
*
* @since 1.0.0
*
* @param array<string, mixed> $post Post to insert.
* @return int|WP_Error Post ID of the inserted post on success, WP_Error on error.
*/
public function insert( array $post ) /* : int|WP_Error */ {
$default_post = array(
'ID' => false, // false on new insert, but existing post ID on update.
'comment_status' => 'closed',
'ping_status' => 'closed',
'post_category' => false,
'post_content' => '',
'post_excerpt' => '',
'post_parent' => 0,
'post_password' => '',
'post_status' => 'publish',
'post_title' => '',
'post_type' => $this->post_type,
'tags_input' => '',
'to_ping' => '',
);
$post = array_merge( $default_post, $post );
// WP expects everything to be slashed.
$post = wp_slash( $post );
// Remove balanceTags() from sanitize_post(), as it can destroy the JSON when messing with HTML.
remove_filter( 'content_save_pre', 'balanceTags', 50 );
remove_filter( 'excerpt_save_pre', 'balanceTags', 50 );
/*
* Remove possible KSES filtering, as it can destroy the JSON when messing with HTML.
* KSES filtering is done to table cells individually, when saving.
*/
$has_kses = ( false !== has_filter( 'content_save_pre', 'wp_filter_post_kses' ) );
if ( $has_kses ) {
kses_remove_filters();
}
// Remove filter that adds `rel="noopener" to <a> HTML tags, but destroys JSON code. See https://core.trac.wordpress.org/ticket/46316.
$has_targeted_link_rel_filters = ( false !== has_filter( 'content_save_pre', 'wp_targeted_link_rel' ) );
if ( $has_targeted_link_rel_filters ) {
wp_remove_targeted_link_rel_filters();
}
$post_id = wp_insert_post( $post, true );
// Restore removed content filters.
add_filter( 'content_save_pre', 'balanceTags', 50 );
add_filter( 'excerpt_save_pre', 'balanceTags', 50 );
if ( $has_kses ) {
kses_init_filters();
}
if ( $has_targeted_link_rel_filters ) {
wp_init_targeted_link_rel_filters();
}
// In rare cases, `wp_insert_post()` returns 0 as the post ID, when an error happens, so it's converted to a WP_Error here.
if ( 0 === $post_id ) { // @phpstan-ignore-line (False-positive in the PHPStan WordPress stubs.)
return new WP_Error( 'post_insert', '' );
}
return $post_id;
}
/**
* Update an existing post with the correct Custom Post Type and default values in the the wp_posts table in the database.
*
* @since 1.0.0
*
* @param array<string, mixed> $post Post.
* @return int|WP_Error Post ID of the updated post on success, WP_Error on error.
*/
public function update( array $post ) /* : int|WP_Error */ {
$default_post = array(
'ID' => false, // false on new insert, but existing post ID on update.
'comment_status' => 'closed',
'ping_status' => 'closed',
'post_category' => false,
'post_content' => '',
'post_excerpt' => '',
'post_parent' => 0,
'post_password' => '',
'post_status' => 'publish',
'post_title' => '',
'post_type' => $this->post_type,
'tags_input' => '',
'to_ping' => '',
);
$post = array_merge( $default_post, $post );
// WP expects everything to be slashed.
$post = wp_slash( $post );
// Remove balanceTags() from sanitize_post(), as it can destroy the JSON when messing with HTML.
remove_filter( 'content_save_pre', 'balanceTags', 50 );
remove_filter( 'excerpt_save_pre', 'balanceTags', 50 );
/*
* Remove possible KSES filtering, as it can destroy the JSON when messing with HTML.
* KSES filtering is done to table cells individually, when saving.
*/
$has_kses = ( false !== has_filter( 'content_save_pre', 'wp_filter_post_kses' ) );
if ( $has_kses ) {
kses_remove_filters();
}
// Remove filter that adds `rel="noopener" to <a> HTML tags, but destroys JSON code. See https://core.trac.wordpress.org/ticket/46316.
$has_targeted_link_rel_filters = ( false !== has_filter( 'content_save_pre', 'wp_targeted_link_rel' ) );
if ( $has_targeted_link_rel_filters ) {
wp_remove_targeted_link_rel_filters();
}
$post_id = wp_update_post( $post, true );
// Restore removed content filters.
add_filter( 'content_save_pre', 'balanceTags', 50 );
add_filter( 'excerpt_save_pre', 'balanceTags', 50 );
if ( $has_kses ) {
kses_init_filters();
}
if ( $has_targeted_link_rel_filters ) {
wp_init_targeted_link_rel_filters();
}
return $post_id;
}
/**
* Get a post from the wp_posts table in the database.
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @return WP_Post|false Post on success, false on error.
*/
public function get( int $post_id ) /* : WP_Post|false */ {
$post = get_post( $post_id );
if ( is_null( $post ) ) {
return false;
}
return $post;
}
/**
* Delete a post (and all revisions) from the wp_posts table in the database.
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @return WP_Post|false|null Post data on success, false or null on failure.
*/
public function delete( int $post_id ) /* : WP_Post|false|null */ {
return wp_delete_post( $post_id, true ); // true means force delete, although for CPTs this is automatic in this function.
}
/**
* Move a post to the trash (if trash is globally enabled), instead of directly deleting the post.
* (yet unused)
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @return WP_Post|false|null Post data on success, false or null on failure.
*/
public function trash( int $post_id ) /* : WP_Post|false|null */ {
return wp_trash_post( $post_id );
}
/**
* Restore a post from the trash.
* (yet unused)
*
* @since 1.0.0
*
* @param int $post_id Post ID.
* @return WP_Post|false|null Post on success, false or null on error.
*/
public function untrash( int $post_id ) /* : WP_Post|false */ {
return wp_untrash_post( $post_id );
}
/**
* Load all posts with one query, to prime the cache.
*
* @since 1.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
* @see get_post()
*
* @param int[] $all_post_ids List of Post IDs.
* @param bool $update_meta_cache Optional. Whether to update the Post Meta Cache (for table options and visibility).
*/
public function load_posts( array $all_post_ids, bool $update_meta_cache = true ): void {
global $wpdb;
// Split post loading, to save memory.
$offset = 0;
$length = 100; // 100 posts at a time
$number_of_posts = count( $all_post_ids );
while ( $offset < $number_of_posts ) {
$post_ids = array_slice( $all_post_ids, $offset, $length );
// Don't load posts that are in the cache already.
$post_ids = _get_non_cached_ids( $post_ids, 'posts' );
if ( ! empty( $post_ids ) ) {
$post_ids_list = implode( ',', $post_ids );
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$posts = $wpdb->get_results( "SELECT {$wpdb->posts}.* FROM {$wpdb->posts} WHERE ID IN ({$post_ids_list})" ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.PreparedSQL.InterpolatedNotPrepared
update_post_cache( $posts );
if ( $update_meta_cache ) {
// Get all post meta data for all table posts, @see get_post_meta().
update_meta_cache( 'post', $post_ids );
}
}
$offset += $length; // next array_slice() $offset.
}
}
/**
* Count the number of posts with the model's CPT in the wp_posts table in the database.
* (currently for debug only)
*
* @since 1.0.0
*
* @return int Number of posts.
*/
public function count_posts(): int {
return array_sum( (array) wp_count_posts( $this->post_type ) ); // Original return value is object with the counts for each post_status.
}
/**
* Add a post meta field to a post.
*
* @since 1.0.0
*
* @param int $post_id ID of the post for which the field shall be added.
* @param string $field Name of the post meta field.
* @param string $value Value of the post meta field (not slashed).
* @return bool True on success, false on error.
*/
public function add_meta_field( int $post_id, string $field, string $value ): bool {
// WP expects a slashed value.
$value = wp_slash( $value );
$success = add_post_meta( $post_id, $field, $value, true ); // true means unique.
// Make sure that $success is a boolean, as add_post_meta() returns an ID or false.
$success = ( false === $success ) ? false : true;
return $success;
}
/**
* Update the value of a post meta field of a post.
*
* If the field does not yet exist, it is added.
*
* @since 1.0.0
*
* @param int $post_id ID of the post for which the field shall be updated.
* @param string $field Name of the post meta field.
* @param string $value Value of the post meta field (not slashed).
* @return bool True on success, false on error.
*/
public function update_meta_field( int $post_id, string $field, string $value ): bool {
$prev_value = (string) get_post_meta( $post_id, $field, true );
// No need to update, if values are equal (also, update_post_meta() would return false for this).
if ( $prev_value === $value ) {
return true;
}
// WP expects a slashed value.
$value = wp_slash( $value );
return (bool) update_post_meta( $post_id, $field, $value, $prev_value );
}
/**
* Get the value of a post meta field of a post.
*
* @since 1.0.0
*
* @param int $post_id ID of the post for which the field shall be retrieved.
* @param string $field Name of the post meta field.
* @return string Value of the meta field.
*/
public function get_meta_field( int $post_id, string $field ): string {
return get_post_meta( $post_id, $field, true ); // true means single value.
}
/**
* Delete a post meta field of a post.
* (yet unused)
*
* @since 1.0.0
*
* @param int $post_id ID of the post of which the field shall be deleted.
* @param string $field Name of the post meta field.
* @return bool True on success, false on error.
*/
public function delete_meta_field( int $post_id, string $field ): bool {
return delete_post_meta( $post_id, $field, true ); // true means single value.
}
/**
* Return the Custom Post Type that TablePress uses.
*
* @since 1.5.0
*
* @return string The used Custom Post Type.
*/
public function get_post_type(): string {
return $this->post_type;
}
} // class TablePress_Post_Model