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class-friends.php
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<?php
/**
* Friends
*
* A plugin to connect WordPresses and communicate privately with your friends.
*
* @package Friends
*/
namespace Friends;
/**
* This is the class for the Friends Plugin.
*
* @package Friends
* @author Alex Kirk
*/
class Friends {
const VERSION = FRIENDS_VERSION;
const CPT = 'friend_post_cache';
const FEED_URL = 'friends-feed-url';
const PLUGIN_URL = 'https://wordpress.org/plugins/friends/';
const REQUIRED_ROLE = 'edit_private_posts';
/**
* Initialize the plugin
*/
public static function init() {
static::get_instance();
}
/**
* A reference to the Admin object.
*
* @var Admin
*/
public $admin;
/**
* A reference to the Access_Control object.
*
* @var Access_Control
*/
public $access_control;
/**
* A reference to the Feed object.
*
* @var Feed
*/
public $feed;
/**
* A reference to the Messages object.
*
* @var Messages
*/
public $messages;
/**
* A reference to the Notifications object.
*
* @var Notifications
*/
public $notifications;
/**
* A reference to the Frontend object.
*
* @var Frontend
*/
public $frontend;
/**
* A reference to the REST object.
*
* @var REST
*/
public $rest;
/**
* A reference to the Reactions object.
*
* @var Reactions
*/
public $reactions;
/**
* Get the class singleton
*
* @return Friends A class instance.
*/
public static function get_instance() {
static $instance;
if ( ! isset( $instance ) ) {
$self = get_called_class();
$instance = new $self();
}
return $instance;
}
/**
* Get the Template_Loader singleton
*
* @return Template_Loader A class instance.
*/
public static function template_loader() {
static $template_loader;
if ( ! isset( $template_loader ) ) {
$template_loader = new Template_Loader();
}
return $template_loader;
}
/**
* Constructor
*/
public function __construct() {
$this->access_control = new Access_Control( $this );
$this->admin = new Admin( $this );
$this->feed = new Feed( $this );
$this->messages = new Messages( $this );
$this->notifications = new Notifications( $this );
$this->frontend = new Frontend( $this );
$this->reactions = new Reactions( $this );
$this->rest = new REST( $this );
new Third_Parties( $this );
new Blocks( $this );
new Logging( $this );
new Shortcodes( $this );
new Automatic_Status( $this );
$this->register_hooks();
load_plugin_textdomain( 'friends', false, FRIENDS_PLUGIN_FILE . '/languages/' );
/**
* Friends has loaded.
*
* @param Friends $friends The friends object.
*
* You can now assume that all the Friends hooks and objects are available.
*
* Example:
* ```php
* add_action( 'friends_loaded', function( Friends $friends ) {
* add_action( 'init', 'initialize_my_plugin' );
* } );
* ```
*/
do_action( 'friends_loaded', $this );
/**
* Time to register your parser.
*
* @param Feed $feed The feed object.
*
* You'll receive the feed object on which you need to call `register_parser()`.
*
* Example:
* ```php
* add_action( 'friends_load_parsers', function( Friends\Feed $friends_feed ) {
* $friends_feed->register_parser( 'simplepie', new Feed_Parser_SimplePie( $friends_feed ) );
* } );
* ```
*/
do_action( 'friends_load_parsers', $this->feed );
/**
* Time to register your theme.
*
* @param Frontend $frontend The frontend object.
*
* You'll receive the frontend object on which you need to call `register_theme()`.
*
* Example:
* ```php
* add_action( 'friends_load_themes', function( Friends\Frontend $friends_frontend ) {
* $friends_frontend->register_theme( 'Mastodon', 'mastodon' );
* } );
* ```
*/
do_action( 'friends_load_themes', $this->frontend );
}
/**
* Register the WordPress hooks
*/
private function register_hooks() {
add_action( 'init', array( $this, 'register_custom_post_type' ) );
add_action( 'init', array( 'Friends\Subscription', 'register_taxonomy' ) );
add_action( 'init', array( 'Friends\User_Feed', 'register_taxonomy' ) );
add_filter( 'get_avatar_data', array( $this, 'get_avatar_data' ), 10, 2 );
add_action( 'template_redirect', array( $this, 'http_header' ), 5 );
add_filter( 'wp_head', array( $this, 'html_rel_links' ) );
add_filter( 'login_head', array( $this, 'html_rel_links' ) );
add_filter( 'after_setup_theme', array( $this, 'enable_post_formats' ) );
add_filter( 'cron_schedules', array( $this, 'add_fifteen_minutes_interval' ) ); // phpcs:ignore WordPressVIPMinimum.Performance.IntervalInSeconds.IntervalInSeconds
add_action( 'template_redirect', array( $this, 'disable_friends_author_page' ) );
add_action( 'comment_form_defaults', array( $this, 'comment_form_defaults' ) );
add_filter( 'friends_frontend_post_types', array( $this, 'add_frontend_post_types' ) );
add_filter( 'request', array( $this, 'limit_post_format_request' ), 20 );
add_filter( 'my_apps_plugins', array( $this, 'register_my_apps' ) );
User::register_wrapper_hooks();
}
/**
* Registers the custom post type
*/
public function register_custom_post_type() {
$labels = array(
'name' => __( 'Friend Posts', 'friends' ),
'singular_name' => __( 'Friend Post', 'friends' ),
'add_new' => _x( 'Add New', 'cached friend post', 'friends' ),
'add_new_item' => __( 'Add New Friend Post', 'friends' ),
'edit_item' => __( 'Edit Friend Post', 'friends' ),
'new_item' => __( 'New Friend Post', 'friends' ),
'all_items' => __( 'All Friend Posts', 'friends' ),
'view_item' => __( 'View Friend Post', 'friends' ),
'search_items' => __( 'Search Friend Posts', 'friends' ),
'not_found' => __( 'No Friend Posts found', 'friends' ),
'not_found_in_trash' => __( 'No Friend Posts found in the Trash', 'friends' ),
'parent_item_colon' => '',
'menu_name' => __( 'Cached Friend Posts', 'friends' ),
);
$args = array(
'labels' => $labels,
'description' => "A cached friend's post",
'publicly_queryable' => self::authenticated_for_posts(),
'show_ui' => true,
'show_in_menu' => apply_filters( 'friends_show_cached_posts', false ),
'show_in_nav_menus' => false,
'show_in_admin_bar' => false,
'show_in_rest' => is_user_logged_in(),
'exclude_from_search' => true,
'public' => false,
'delete_with_user' => true,
'menu_position' => 5,
'menu_icon' => 'dashicons-groups',
'supports' => array( 'title', 'editor', 'author', 'revisions', 'thumbnail', 'excerpt', 'comments', 'post-formats' ),
'taxonomies' => array( 'post_tag', 'post_format', 'friend-reaction-' . get_current_user_id() ),
'has_archive' => true,
'rewrite' => false,
);
register_post_type( self::CPT, $args );
register_post_meta(
self::CPT,
Feed::COMMENTS_FEED_META,
array(
'show_in_rest' => true,
'single' => true,
'type' => 'string',
)
);
register_post_meta(
self::CPT,
'remote_post_id',
array(
'show_in_rest' => true,
'single' => true,
'type' => 'string',
)
);
register_post_meta(
self::CPT,
'parser',
array(
'show_in_rest' => true,
'single' => true,
'type' => 'string',
)
);
register_post_meta(
self::CPT,
'feed_url',
array(
'show_in_rest' => true,
'single' => true,
'type' => 'string',
)
);
register_post_meta(
self::CPT,
'reblogged',
array(
'show_in_rest' => true,
'single' => true,
'type' => 'string',
)
);
register_post_meta(
self::CPT,
'reblogged_by',
array(
'show_in_rest' => true,
'single' => true,
'type' => 'integer',
)
);
}
public static function get_role_capabilities( $role ) {
$capabilities = array();
$capabilities['friend_request'] = array(
'friend_request' => true,
);
$capabilities['pending_friend_request'] = array(
'pending_friend_request' => true,
);
$capabilities['subscription'] = array(
'subscription' => true,
);
$capabilities['acquaintance'] = array(
'read' => true,
'friend' => true,
);
// Friend is an Acquaintance who can read private posts.
$capabilities['friend'] = $capabilities['acquaintance'];
$capabilities['friend']['read_private_posts'] = true;
// All roles belonging to this plugin have the friends_plugin capability.
foreach ( array_keys( $capabilities ) as $type ) {
$capabilities[ $type ]['friends_plugin'] = true;
}
if ( ! isset( $capabilities[ $role ] ) ) {
return array();
}
return $capabilities[ $role ];
}
/**
* Create the Friend user roles
*/
private static function setup_roles() {
$default_roles = array(
'friend' => _x( 'Friend', 'User role', 'friends' ),
'acquaintance' => _x( 'Acquaintance', 'User role', 'friends' ),
'friend_request' => _x( 'Friend Request', 'User role', 'friends' ),
'pending_friend_request' => _x( 'Pending Friend Request', 'User role', 'friends' ),
'subscription' => _x( 'Subscription', 'User role', 'friends' ),
);
$roles = new \WP_Roles();
foreach ( $default_roles as $type => $name ) {
$role = false;
foreach ( $roles->roles as $slug => $data ) {
if ( isset( $data['capabilities'][ $type ] ) ) {
$role = get_role( $slug );
break;
}
}
if ( ! $role ) {
$role = add_role( $type, $name, self::get_role_capabilities( $type ) );
continue;
}
// This might update missing capabilities.
foreach ( array_keys( self::get_role_capabilities( $type ) ) as $cap ) {
$role->add_cap( $cap );
}
}
}
/**
* Creates a page /friends/ to enable customization via.
*/
public static function create_friends_page() {
$query = new \WP_Query(
array(
'name' => 'friends',
'post_type' => 'page',
)
);
if ( $query->have_posts() ) {
return;
}
$content = '<!-- wp:paragraph {"className":"only-friends"} -->' . PHP_EOL . '<p class="only-friends">';
$content .= __( 'Hi Friend!', 'friends' );
$content .= '<br/><br/>';
$content .= __( 'Do you know any of my friends? Maybe you want to become friends with them as well?', 'friends' );
$content .= PHP_EOL . '</p>' . PHP_EOL . '<!-- /wp:paragraph -->' . PHP_EOL;
$content .= '<!-- wp:friends/friends-list {"className":"only-friends","user_types":"friends"} /-->' . PHP_EOL;
$content .= '<!-- wp:paragraph {"className":"not-friends"} -->' . PHP_EOL . '<p class="not-friends">';
$content .= __( 'I have connected with my friends using <strong>WordPress</strong> and the <strong>Friends plugin</strong>. This means I can share private posts with just my friends while keeping my data under control.', 'friends' );
$content .= PHP_EOL;
// translators: %1$s and %2$s are URLs.
$content .= sprintf( __( 'If you also have a WordPress site with the friends plugin, you can send me a friend request. If not, get your own <a href="%1$s">WordPress</a> now, install the <a href="%2$s">Friends plugin</a>, and follow me!', 'friends' ), 'https://wordpress.org/', self::PLUGIN_URL );
$content .= PHP_EOL . '</p>' . PHP_EOL . '<!-- /wp:paragraph -->' . PHP_EOL;
$content .= '<!-- wp:friends/follow-me {"className":"not-friends"} -->' . PHP_EOL . '<div class="wp-block-friends-follow-me not-friends">';
$content .= '<form method="post"><!-- wp:paragraph -->' . PHP_EOL . '<p>';
$content .= __( 'Enter your blog URL to join my network. <a href="https://wpfriends.at/follow-me">Learn more</a>', 'friends' );
$content .= '</p>' . PHP_EOL;
$content .= '<!-- /wp:paragraph --><div><input type="text" name="friends_friend_request_url" placeholder="https://example.com/"/> <button>';
$content .= __( 'Follow this site', 'friends' );
$content .= '</button></div></form></div>' . PHP_EOL;
$content .= '</p>' . PHP_EOL . '<!-- /wp:friends/follow-me -->' . PHP_EOL;
$post_data = array(
'post_title' => __( 'Friends', 'friends' ),
'post_content' => $content,
'post_type' => 'page',
'post_name' => 'friends',
'post_status' => 'publish',
);
wp_insert_post( $post_data );
}
/**
* Enable translated user roles.
* props https://wordpress.stackexchange.com/a/141705/74893
*
* @param string $translations The potentially translated text.
* @param string $text Text to translate.
* @param string $context Context information for the translators.
* @param string $domain Unique identifier for retrieving translated strings.
* @return string Translated text on success, original text on failure.
*/
public static function translate_user_role( $translations, $text, $context, $domain ) {
$roles = array(
'Friend',
'Acquaintance',
'Friend Request',
'Pending Friend Request',
'Subscription',
);
if (
'User role' === $context
&& in_array( $text, $roles, true )
&& 'friends' !== $domain
) {
// @codingStandardsIgnoreLine
return translate_with_gettext_context( $text, $context, 'friends' );
}
return $translations;
}
/**
* Gets the roles that the plugin uses.
*
* @return array The roles.
*/
public static function get_friends_plugin_roles() {
return apply_filters( 'friends_plugin_roles', array( 'friend', 'pending_friend_request', 'friend_request', 'subscription' ) );
}
/**
* If a plugin version upgrade requires changes, they can be done here
*
* @param \WP_Upgrader $upgrader_object The WP_Upgrader instance.
* @param array $options Array of bulk item update data.
*/
public static function upgrade_plugin_trigger( $upgrader_object, $options ) {
$upgraded = false;
if ( 'update' === $options['action'] && 'plugin' === $options['type'] && isset( $options['plugins'] ) ) {
foreach ( $options['plugins'] as $plugin ) {
if ( FRIENDS_PLUGIN_BASENAME === $plugin ) {
return self::upgrade_plugin();
}
}
}
}
public static function upgrade_plugin() {
$previous_version = get_option( 'friends_plugin_version' );
if ( version_compare( $previous_version, '0.20.1', '<' ) ) {
$users = User_Query::all_associated_users();
foreach ( $users->get_results() as $user ) {
$gravatar = get_user_option( 'friends_gravatar', $user->ID );
$user_icon_url = get_user_option( 'friends_user_icon_url', $user->ID );
if ( $gravatar ) {
if ( ! $user_icon_url ) {
update_user_option( $user->ID, 'friends_user_icon_url', $gravatar );
}
delete_user_option( $user->ID, 'friends_gravatar' );
}
}
}
if ( version_compare( $previous_version, '2.1.3', '<' ) ) {
self::setup_roles();
}
if ( version_compare( $previous_version, '2.6.0', '<' ) ) {
$users = User_Query::all_associated_users();
foreach ( $users->get_results() as $user ) {
if ( get_option( 'friends_feed_rules_' . $user->ID ) ) {
$user->update_user_option( 'friends_feed_rules', get_option( 'friends_feed_rules_' . $user->ID ) );
}
if ( get_option( 'friends_feed_catch_all_' . $user->ID ) ) {
$user->update_user_option( 'friends_feed_catch_all', get_option( 'friends_feed_catch_all_' . $user->ID ) );
}
}
}
if ( version_compare( $previous_version, '2.8.7', '<' ) ) {
$users = User_Query::all_associated_users();
foreach ( $users->get_results() as $user ) {
if ( ! ( $user instanceof Subscription ) ) {
// We have a user that is not a virtual user, so the friendship functionality had been used.
update_option( 'friends_enable_wp_friendships', 1 );
break;
}
}
}
if ( version_compare( $previous_version, '2.9.4', '<' ) ) {
// Migrate to the new External user.
$user = User::get_by_username( 'external-mentions' );
if ( $user && $user instanceof Subscription ) {
wp_update_term(
$user->get_term_id(),
Subscription::TAXONOMY,
array(
'slug' => 'external',
'name' => _x( 'External', 'user name', 'friends' ),
)
);
$user->update_user_option( 'display_name', _x( 'External', 'user name', 'friends' ) );
}
// Upgrade cron schedule.
$next_scheduled = wp_next_scheduled( 'cron_friends_refresh_feeds' );
if ( $next_scheduled ) {
$event = wp_get_scheduled_event( 'cron_friends_refresh_feeds' );
if ( $event && 'fifteen-minutes' !== $event->schedule ) {
wp_unschedule_event( $next_scheduled, 'cron_friends_refresh_feeds' );
$next_scheduled = false;
}
}
if ( ! $next_scheduled ) {
wp_schedule_event( time(), 'fifteen-minutes', 'cron_friends_refresh_feeds' );
}
}
if ( version_compare( $previous_version, '3.1.8', '<' ) ) {
// Migrate the option friends_frontend_default_view to a user option.
$users = User_Query::all_admin_users();
foreach ( $users->get_results() as $user ) {
$default_view = get_option( 'friends_frontend_default_view' );
if ( $default_view ) {
$user->update_user_option( 'friends_frontend_default_view', $default_view );
}
}
}
update_option( 'friends_plugin_version', Friends::VERSION );
}
/**
* Actions to take upon plugin activation.
*
* @param bool $network_activate Whether the plugin has been activated network-wide.
*/
public static function activate_plugin( $network_activate = null ) {
if ( function_exists( 'is_multisite' ) && is_multisite() ) {
if ( $network_activate ) {
// Only Super Admins can use Network Activate.
if ( ! is_super_admin() ) {
return;
}
// Activate for each site.
foreach ( get_sites() as $blog ) {
switch_to_blog( $blog->blog_id );
self::setup();
restore_current_blog();
}
} elseif ( current_user_can( 'activate_plugins' ) ) {
self::setup();
}
return;
}
self::setup();
}
/**
* Actions to take upon plugin activation.
*
* @param int|WP_Site $blog_id Blog ID.
*/
public static function activate_for_blog( $blog_id ) {
if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
if ( $blog_id instanceof \WP_Site ) {
$blog_id = (int) $blog_id->blog_id;
}
if ( is_plugin_active_for_network( FRIENDS_PLUGIN_BASENAME ) ) {
switch_to_blog( $blog_id );
self::setup();
restore_current_blog();
}
}
/**
* Actions to take upon plugin activation.
*/
private static function setup() {
self::setup_roles();
self::create_friends_page();
self::upgrade_plugin(
null,
array(
'action' => 'update',
'plugins' => array( FRIENDS_PLUGIN_BASENAME ),
'type' => 'plugin',
)
);
if ( false === get_option( 'friends_main_user_id' ) ) {
update_option( 'friends_main_user_id', get_current_user_id() );
}
if ( false === get_option( 'friends_private_rss_key' ) ) {
update_option( 'friends_private_rss_key', wp_generate_password( 128, false ) );
}
if ( false === get_option( 'friends_default_friend_role' ) ) {
update_option( 'friends_default_friend_role', 'friend' );
}
if ( ! wp_next_scheduled( 'cron_friends_refresh_feeds' ) ) {
wp_schedule_event( time(), 'fifteen-minutes', 'cron_friends_refresh_feeds' );
}
self::add_default_sidebars_widgets();
flush_rewrite_rules();
}
public function add_fifteen_minutes_interval( $schedules ) {
$schedules['fifteen-minutes'] = array(
'interval' => 900,
'display' => __( 'Every 15 Minutes', 'friends' ),
);
return $schedules;
}
/**
* Add default widgets to the sidebars.
*/
public static function add_default_sidebars_widgets() {
$sidebars_widgets = get_option( 'sidebars_widgets' );
if ( ! is_array( $sidebars_widgets ) ) {
$sidebars_widgets = array();
}
$id = count( $sidebars_widgets );
foreach ( array(
'friends-topbar' => array(
'friends-widget-header' => array(
'title' => 'Friends',
),
'friends-widget-new-private-post' => array(),
),
'friends-sidebar' => array(
'friends-widget-stats' => array(),
'friends-widget-refresh' => array(),
'friends-widget-post-formats' => array(),
'friends-widget-friend-list' => array(
'title' => 'Friends',
),
'friends-widget-friend-request' => array(),
),
) as $sidebar_id => $default_widgets ) {
if ( ! empty( $sidebars_widgets[ $sidebar_id ] ) ) {
continue;
}
$sidebars_widgets[ $sidebar_id ] = array();
foreach ( $default_widgets as $widget_id => $options ) {
++$id;
$sidebars_widgets[ $sidebar_id ][] = $widget_id . '-' . $id;
update_option( 'widget_' . $widget_id, array( $id => $options ) );
}
}
update_option( 'sidebars_widgets', $sidebars_widgets );
}
/**
* Actions to take upon plugin deactivation.
*/
public static function deactivate_plugin() {
$timestamp = wp_next_scheduled( 'cron_friends_refresh_feeds' );
wp_unschedule_event( $timestamp, 'cron_friends_refresh_feeds' );
}
/**
* Get the required capability for the menu entries.
*/
public static function required_menu_role() {
return 'edit_private_posts';
}
/**
* Check if the user hast the required priviliges.
*/
public static function has_required_privileges() {
return self::is_main_user() || current_user_can( 'manage_options' );
}
/**
* Check if the current user is the main user.
*/
public static function is_main_user() {
return is_user_logged_in() && get_current_user_id() === self::get_main_friend_user_id();
}
/**
* Get the main friend user id.
*
* @return int The user_id.
*/
public static function get_main_friend_user_id() {
$main_user_id = get_option( 'friends_main_user_id' );
if (
false === $main_user_id
|| ( is_multisite() && ! is_user_member_of_blog( $main_user_id, get_current_blog_id() ) )
) {
$users = User_Query::all_admin_users();
foreach ( $users->get_results() as $user ) {
$main_user_id = $user->ID;
break;
}
if ( $main_user_id ) {
update_option( 'friends_main_user_id', $main_user_id );
}
}
return intval( $main_user_id );
}
/**
* Override Avatar URL for friends
*
* @param array $args The avatar details array.
* @param mixed $id_or_email Identifies what to retrieve the avatar for.
* @return array The avatar (potentially modified) details array.
*/
public function get_avatar_data( $args, $id_or_email ) {
if ( is_object( $id_or_email ) ) {
if ( $id_or_email instanceof User ) {
$id_or_email = $id_or_email->ID;
} elseif ( $id_or_email instanceof \WP_Post ) {
$id_or_email = $id_or_email->post_author;
} elseif ( $id_or_email instanceof \WP_Comment ) {
$id_or_email = $id_or_email->user_id;
}
}
$user = false;
if ( is_numeric( $id_or_email ) && $id_or_email > 0 ) {
$user = get_user_by( 'ID', $id_or_email );
if ( $user ) {
$user = new User( $user );
}
} elseif ( is_string( $id_or_email ) ) {
$user = User::get_by_username( $id_or_email );
}
if ( $user ) {
if ( is_wp_error( $user ) ) {
return $args;
}
$url = $user->get_avatar_url();
if ( $url ) {
$args['url'] = $url;
$args['found_avatar'] = true;
}
}
return $args;
}
/**
* Enables the post formats.
*/
public function enable_post_formats() {
if ( get_option( 'friends_force_enable_post_formats' ) ) {
add_theme_support( 'post-formats', get_post_format_slugs() );
}
}
/**
* Determine whether we are on the /friends/ page or a subpage.
*
* @return boolean Whether we are on a friends page URL.
*/
public static function on_frontend() {
global $wp_query;
if ( ! isset( $wp_query ) || ! isset( $wp_query->query['pagename'] ) ) {
// The request has not yet been parsed but we need to know, so this snippet is from wp->parse_request().
list( $req_uri ) = explode( '?', remove_query_arg( '' ) );
$home_path = wp_parse_url( home_url(), PHP_URL_PATH );
$home_path_regex = '';
if ( is_string( $home_path ) && '' !== $home_path ) {
$home_path = trim( $home_path, '/' );
$home_path_regex = sprintf( '|^%s|i', preg_quote( $home_path, '|' ) );
}
$req_uri = trim( $req_uri, '/' );
if ( ! empty( $home_path_regex ) ) {
$req_uri = preg_replace( $home_path_regex, '', $req_uri );
$req_uri = trim( $req_uri, '/' );
}
$pagename = $req_uri;
} else {
$pagename = $wp_query->query['pagename'];
}
// A nonce is not needed here since this is to show the public page.
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( isset( $_GET['public'] ) ) {
return false;
}
if ( ! current_user_can( self::REQUIRED_ROLE ) || ( is_multisite() && ! is_user_member_of_blog( get_current_user_id(), get_current_blog_id() ) && is_super_admin( get_current_user_id() ) ) ) {
return false;
}
$pagename_parts = explode( '/', trim( $pagename, '/' ) );
return count( $pagename_parts ) > 0 && 'friends' === $pagename_parts[0];
}
/**
* Check whether the request has been authenticated to display (private) posts.
*
* @return bool Whether the posts can be accessed.
*/
public static function authenticated_for_posts() {
return Access_Control::private_rss_is_authenticated() || ( is_admin() && self::is_main_user() && apply_filters( 'friends_show_cached_posts', false ) );
}
/**
* Adds the post types to be displayed on the frontend.
*
* @param string $post_types The incoming post types.
*
* @return array The frontend post types.
*/
public static function add_frontend_post_types( $post_types ) {
return array_merge( array( Friends::CPT ), $post_types );
}
/**
* Gets the post count by post format.
*
* @return array The post count by post format.
*/
public function get_post_count_by_post_format() {
$cache_key = 'post_count_by_post_format';
$counts = wp_cache_get( $cache_key, 'friends' );
if ( false !== $counts ) {
return $counts;
}
$counts = get_transient( $cache_key );
if ( false !== $counts ) {
return $counts;
}
$counts = array();
$post_types = apply_filters( 'friends_frontend_post_types', array() );
global $wpdb;
$counts = array();
$post_format_counts = $wpdb->get_results( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
$wpdb->prepare(
"SELECT terms.slug AS post_format, COUNT(terms.slug) AS count
FROM {$wpdb->posts} AS posts
JOIN {$wpdb->term_relationships} AS relationships
JOIN {$wpdb->term_taxonomy} AS taxonomy
JOIN {$wpdb->terms} AS terms
WHERE posts.post_status IN ( 'publish', 'private' )
AND posts.post_type IN ( " . implode( ',', array_fill( 0, count( $post_types ), '%s' ) ) . " )
AND relationships.object_id = posts.ID
AND relationships.term_taxonomy_id = taxonomy.term_taxonomy_id
AND taxonomy.taxonomy = 'post_format'
AND terms.term_id = taxonomy.term_id
GROUP BY terms.slug",
$post_types
)
);
$post_count = null;
foreach ( $post_types as $post_type ) {
$count = wp_count_posts( $post_type );
if ( is_null( $post_count ) ) {
$post_count = $count;
} else {
foreach ( (array) $count as $post_status => $c ) {
$post_count->$post_status = ( isset( $post_count->$post_status ) ? $post_count->$post_status : 0 ) + $c;
}
}
}
$counts['standard'] = $post_count->publish + $post_count->private;
foreach ( $post_format_counts as $row ) {
$counts[ str_replace( 'post-format-', '', $row->post_format ) ] = $row->count;
$counts['standard'] -= $row->count;
}
$counts = array_filter( $counts );
set_transient( $cache_key, $counts, HOUR_IN_SECONDS );
wp_cache_set( $cache_key, $counts, 'friends', HOUR_IN_SECONDS );
return $counts;
}
/**
* Get the retention by number of posts.
*
* @return int The retention by number of posts.
*/
public static function get_retention_number() {
$number = get_option( 'friends_retention_number' );
if ( $number <= 0 ) {
return 2000;
}
return $number;
}
/**
* Get the retention by days of posts.
*
* @return int The retention by days of posts.
*/
public static function get_retention_days() {
$days = get_option( 'friends_retention_days' );
if ( $days <= 0 ) {
return 30;
}
return $days;
}
/**
* Gets the post stats.
*
* @return object The post stats.
*/
public static function get_post_stats() {
global $wpdb;
$cache_key = 'post_stats';
$post_stats = wp_cache_get( $cache_key, 'friends' );
if ( false !== $post_stats ) {
return $post_stats;
}
$post_types = apply_filters( 'friends_frontend_post_types', array() );
$post_stats = $wpdb->get_row( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
$wpdb->prepare(
'SELECT SUM(
LENGTH( ID ) +
LENGTH( post_author ) +
LENGTH( post_date ) +
LENGTH( post_date_gmt ) +
LENGTH( post_content ) +
LENGTH( post_title ) +
LENGTH( post_excerpt ) +
LENGTH( post_status ) +
LENGTH( comment_status ) +