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<?php
/**
 * @package     MultipleAuthors
 * @author      PublishPress <help@publishpress.com>
 * @copyright   Copyright (C) 2018 PublishPress. All rights reserved.
 * @license     GPLv2 or later
 * @since       1.1.0
 */

namespace MultipleAuthors\Classes\Objects;

use MultipleAuthors\Classes\Objects\Author;
use MultipleAuthors\Classes\Author_Utils;
use MultipleAuthors\Factory;
use WP_Error;
use WP_User;

/**
 * Representation of an individual author.
 *
 * @property int $ID
 * @property string $slug
 * @property string $nickname
 * @property string $description
 * @property string $user_description
 * @property string $first_name
 * @property string $user_firstname
 * @property string $last_name
 * @property string $user_lastname
 * @property string $user_nicename
 * @property string $user_email
 * @property string $user_url
 * @property string $display_name
 * @property string $link
 * @property string $user_id
 * @property array $roles
 */
class Author
{

/**
     * ID for the correlated term.
     *
     * @var int
     */
    public $term_id;

/**
     * @var \WP_Term
     */
    private $term;

/**
     * @var array
     */
    private static $authorsByIdCache = [];

/**
     * @var array
     */
    private static $authorsBySlugCache = [];

/**
     * @var array
     */
    private static $authorsByTermIdCache = [];

/**
     * @var array
     */
    private static $authorsByEmailCache = [];

/**
     * @var array
     */
    private $metaCache;

/**
     * @var WP_User
     */
    private $userObject;

/**
     * @var bool|null
     */
    private $hasCustomAvatar = null;

/**
     * @var null|array
     */
    private $customAvatarUrl = null;

/**
     * @var null|string
     */
    private $avatarUrl = null;

/**
     * @var array
     */
    private $avatarBySize = [];

/**
     * Instantiate a new author object
     *
     * Authors are always fetched by static fetchers.
     *
     * @param WP_Term|int $term ID for the correlated term or the term instance.
     */
    private function __construct($term)
    {
        if ($term instanceof \WP_Term) {
            $this->term    = $term;
            $this->term_id = $term->term_id;
        } else {
            $this->term_id = (int)$term;
        }

$this->term_id = abs($this->term_id);
    }

public function getTerm()
    {
        if (empty($this->term)) {
            $this->term = get_term($this->term_id, 'author');
        }

return $this->term;
    }

/**
     * Create a new author object from an existing WordPress user.
     *
     * @param WP_User|int $user WordPress user to clone.
     *
     * @return Author|WP_Error
     */
    public static function create_from_user($user)
    {
        if (empty($user)) {
            return false;
        }

if (is_numeric($user)) {
            $user = get_user_by('id', (int)$user);
        }

if (is_a($user, 'stdClass')) {
            $userInstance = new WP_User($user);
            $user = $userInstance;
        }

if (! is_a($user, 'WP_User')) {
            if (defined('WP_DEBUG') && WP_DEBUG) {
                error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
                    sprintf(
                        '[PublishPress Authors] The method %s found that the expected user doesn\'t exist: %s',
                        __METHOD__,
                        maybe_serialize($user)
                    )
                );
            }

return false;
        }

if (empty($user)) {
            return false;
        }

$existentAuthor = self::get_by_user_id($user->ID);
        if (!empty($existentAuthor)) {
            return $existentAuthor;
        }

$author = self::create(
            [
                'display_name' => $user->display_name,
                'slug' => $user->user_nicename,
            ]
        );

if (is_wp_error($author) || !is_object($author)) {
            if (defined('WP_DEBUG') && WP_DEBUG) {
                error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
                    sprintf('[PublishPress Authors] The method %s found an error trying to create an author', __METHOD__)
                );
            }

return false;
        }

$author->userObject = $user;

self::update_author_from_user($author->term_id, $user->ID);

return $author;
    }

/**
     * Get a author object based on its user id.
     *
     * @param int $user_id ID for the author's user.
     *
     * @return Author|false
     */
    public static function get_by_user_id($user_id)
    {
        global $wpdb;

$user_id = (int)$user_id;

if (!isset(self::$authorsByIdCache[$user_id])) {//  || empty(self::$authorsByIdCache[$user_id]) This is resulting in deuplicate query for when user doesn't have an author profile
            $term_id = $wpdb->get_var(
                $wpdb->prepare(
                    "SELECT te.term_id
				 FROM {$wpdb->termmeta} AS te
				 LEFT JOIN {$wpdb->term_taxonomy} AS ta ON (te.term_id = ta.term_id)
				 WHERE  ta.taxonomy = 'author' AND meta_key=%s",
                    'user_id_' . $user_id
                )
            );

$author = false;
            if (!empty($term_id) && is_numeric($term_id)) {
                $author = self::$authorsByIdCache[$user_id] = new Author($term_id);
            }

self::$authorsByIdCache[$user_id] = $author;
        }

return isset(self::$authorsByIdCache[$user_id]) ? self::$authorsByIdCache[$user_id] : false;
    }

/**
     * Create a new author object
     *
     * @param array $args Arguments with which to create the new object.
     *
     * @return Author|false
     */
    public static function create($args)
    {
        if (empty($args['slug'])) {
            if (defined('WP_DEBUG') && WP_DEBUG) {
                error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
                    sprintf('[PublishPress Authors] The method %s is missing the slug in the arguments', __METHOD__)
                );
            }
            return false;
        }
        if (empty($args['display_name'])) {
            if (defined('WP_DEBUG') && WP_DEBUG) {
                error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
                    sprintf(
                        '[PublishPress Authors] The method %s is missing the display_name in the arguments',
                        __METHOD__
                    )
                );
            }

return false;
        }

$termData = wp_insert_term(
            $args['display_name'],
            'author',
            [
                'slug' => $args['slug'],
            ]
        );

if (is_wp_error($termData)) {
            $backtraceSeparator = "\n  - ";

if (defined('WP_DEBUG') && WP_DEBUG) {
                error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
                    sprintf(
                        "[PublishPress Authors] %s %s\n%s",
                        $termData->get_error_message(),
                        __METHOD__,
                        $backtraceSeparator . implode($backtraceSeparator, wp_debug_backtrace_summary(null, 0, false))
                    )
                );
            }

return false;
        }

return new Author($termData['term_id']);
    }

/**
     * Update the author's data based on the user's data.
     *
     * @param $term_id
     * @param $user_id
     */
    public static function update_author_from_user($term_id, $user_id)
    {
        $user = get_user_by('id', (int)$user_id);

if (empty($user) || is_wp_error($user)) {
            return;
        }

wp_update_term(
            $term_id,
            'author',
            [
                'slug' => $user->user_nicename,
            ]
        );

// Clone applicable user fields.
        $user_fields = [
            'first_name',
            'last_name',
            'user_email',
            'user_login',
            'user_url',
            'description',
        ];
        update_term_meta($term_id, 'user_id', $user->ID);
        foreach ($user_fields as $field) {
            update_term_meta($term_id, $field, $user->$field);
        }
    }

/**
     * Remove the link between the author and user. Convert into a guest author.
     *
     * @param $term_id
     */
    public static function convert_into_guest_author($term_id)
    {
        if (!get_role('ppma_guest_author')) {
            //Make sure Guest authir role exist
            add_role('ppma_guest_author', 'Guest Author', []);
        }

$userId = get_term_meta($term_id, 'user_id', true);
        $author = Author::get_by_term_id($term_id);

$new_author_email = !empty($author->user_email) ? $author->user_email : self::generate_random_domain_email($term_id);

if ($userId && is_object($author) && isset($author->display_name)) {
            $user_data = [
                'ID'    => $userId,
                'role'  => 'ppma_guest_author'
            ];
            wp_update_user($user_data);
            update_term_meta($term_id, 'user_id', $userId);
            update_term_meta($term_id, 'user_id_' . $userId, $userId);
        } else {
            $user_data = [
                'user_login'    => !empty($author->user_login)? $author->user_login : sanitize_title($new_author_email),
                'display_name'  => $author->display_name,
                'user_email'    => $new_author_email,
                'user_pass'     => wp_generate_password(),
                'role'          => 'ppma_guest_author',
            ];
            $userId = wp_insert_user($user_data);

if (!is_wp_error($userId)) {
                update_term_meta($term_id, 'user_email', $new_author_email);
                update_term_meta($term_id, 'user_id', $userId);
                update_term_meta($term_id, 'user_id_' . $userId, $userId);
            }
        }
    }

/**
     * Generate random domain email
     */
    public static function generate_random_domain_email($unique_id = '') {
        // Get current timestamp
        $timestamp = $unique_id . time();
        
        // Get website domain
        $domain = parse_url(get_bloginfo('url'), PHP_URL_HOST);
        
        // Generate the email
        $random_email = 'guestauthor+' . $timestamp . '@' . $domain;
        
        return $random_email;
    }

/**
     * Get a author object based on its term id.
     *
     * @param int $term_id ID for the author term.
     *
     * @return Author|false
     */
    public static function get_by_term_id($term_id)
    {
        if (!isset(self::$authorsByTermIdCache[$term_id])) {
            self::$authorsByTermIdCache[$term_id] = new Author($term_id);
        }

return isset(self::$authorsByTermIdCache[$term_id]) ? self::$authorsByTermIdCache[$term_id] : false;
    }

/**
     * Get a author object based on its term slug.
     *
     * @param string $slug Slug for the author term.
     *
     * @return Author|false
     */
    public static function get_by_term_slug($slug)
    {
        if (!isset(self::$authorsBySlugCache[$slug])) {
            $term = get_term_by('slug', $slug, 'author');
            if (!$term || is_wp_error($term)) {
                return false;
            }

self::$authorsBySlugCache[$slug] = new Author($term);
        }

return isset(self::$authorsBySlugCache[$slug]) ? self::$authorsBySlugCache[$slug] : false;
    }

/**
     * @param $name
     *
     * @return bool
     */
    public function __isset($name)
    {
        $properties = get_object_vars($this);

$properties['link']          = true;
        $properties['user_nicename'] = true;
        $properties['display_name']  = true;
        $properties['name']          = true;
        $properties['slug']          = true;
        $properties['user_email']    = true;
        $properties['description']   = true;
        $properties['user_url']      = true;
        $properties['url']           = true;
        $properties['user_id']       = true;
        $properties['ID']            = true;
        $properties['first_name']    = true;
        $properties['last_name']     = true;
        $properties['nickname']      = true;
        $properties['roles']        = true;

// Short circuit to only trigger the filter for additional fields if the property is not already defined.
        // Save resources and avoid infinity loops on some queries that check is $query->is_author.
        if (array_key_exists($name, $properties)) {
            return true;
        }

/**
         * Filter the author's properties.
         *
         * @param array $properties
         *
         * @return array
         */
        $properties = apply_filters('pp_multiple_authors_author_properties', $properties);

return array_key_exists($name, $properties);
    }

/**
     * Get an object attribute.
     *
     * @param string $attribute Attribute name.
     *
     * @return mixed
     */
    public function __get($attribute)
    {
        // Underscore prefix means protected.
        if ('_' === $attribute[0]) {
            return null;
        }

// These two fields are actually on the Term object.
        if ('display_name' === $attribute) {
            $attribute = 'name';
        }

if ('user_nicename' === $attribute) {
            $attribute = 'slug';
        }

$return = null;

switch ($attribute) {
            case 'ID':
                // Negative IDs represents the term ID for guest authors and positive IDs represents the user ID, as expected.
                if ($this->is_guest()) {
                    $return = abs($this->term_id) * -1;
                } else {
                    $return = (int)$this->user_id;
                }
                break;

case 'user_url':
                $return = $this->get_meta('user_url');
                break;

case 'first_name':
                $return = $this->get_meta('first_name');
                break;

case 'term_id':
                $return = $this->term_id;
                break;

case 'link':
                $user_id = $this->get_meta('user_id');

// Is a user mapped to this author?
                if (!$this->is_guest()) {
                    $return = get_author_posts_url($user_id);
                } else {
                    $return = get_term_link($this->term_id, 'author');
                }
                break;

case 'name':
                $return = get_term_field('name', $this->term_id, 'author', 'raw');

if (empty($return) && !$this->is_guest()) {
                    $userObject = $this->get_user_object();

if (!empty($userObject) && !is_wp_error($userObject)) {
                        $return = $userObject->display_name;
                    }
                }

break;

case 'roles':
                $return = [];

if (!$this->is_guest()) {
                    $userObject = $this->get_user_object();

if (!empty($userObject) && !is_wp_error($userObject)) {
                        $return = $userObject->roles;
                    }
                }

break;

case 'slug':
                if (!$this->is_guest()) {
                    $userObject = $this->get_user_object();

if (!empty($userObject) && !is_wp_error($userObject)) {
                        $return = $this->get_user_object()->user_nicename;
                    }
                } else {
                    $return = get_term_field('slug', $this->term_id, 'author', 'raw');
                }
                break;

default:
                $return = $this->get_meta($attribute);

if (is_null($return)) {
                    /**
                     * @deprecated
                     */
                    $return = apply_filters('pp_multiple_authors_author_attribute', null, $this->term_id, $attribute);
                }
        }

if (is_wp_error($return)) {
            if (defined('WP_DEBUG') && WP_DEBUG) {
                error_log( // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
                    sprintf(
                        '[PublishPress Authors] Error found while getting author\'s %s attribute (term_id = %d): %s',
                        $attribute,
                        $this->term_id,
                        $return->get_error_message()
                    )
                );
            }

$return = false;
        }

return apply_filters('publishpress_authors_author_attribute', $return, $this->term_id, $attribute, $this);
    }

/**
     * Return the URL for the avatar image.
     *
     * @param int $size
     *
     * @return string|array
     */
    public function get_avatar_url($size = 96)
    {
        if (is_null($this->avatarUrl)) {
            if ($this->has_custom_avatar()) {
                $url = $this->get_custom_avatar_url($size);
            } else {
                $url = get_avatar_url($this->user_email, $size);
            }

$this->avatarUrl = $url;
        }

return $this->avatarUrl;
    }

/**
     * Get a metadata for the author term. If not found and is mapped to a user, returns the user's meta.
     *
     * @param string $key
     * @param bool $single
     *
     * @return mixed
     */
    public function get_meta($key, $single = true)
    {
        if (!isset($this->metaCache[$key])) {
            $meta = Author_Utils::get_author_meta($this->term_id, $key, $single);

if ($this->is_guest()) {
                return $meta;
            } elseif (empty($meta) && '0' !== (string)$meta) {
                $meta = get_user_meta($this->user_id, $key, $single);
            }

$this->metaCache[$key] = $meta;
        }

return $this->metaCache[$key];
    }

public function update_meta($key, $value)
    {
        Author_Utils::update_author_meta($this->term_id, $key, $value);
    }

/**
     * Returns true if the author has a custom avatar image.
     *
     * @return bool
     */
    public function has_custom_avatar()
    {
        if (is_null($this->hasCustomAvatar)) {
            $this->hasCustomAvatar = Author_Utils::author_has_custom_avatar($this->term_id);
        }

return $this->hasCustomAvatar;
    }

/**
     * @param int $size
     *
     * @return array
     */
    protected function get_custom_avatar_url($size = 96)
    {
        $legacyPlugin = Factory::getLegacyPlugin();

if (is_null($this->customAvatarUrl)) {
            $avatar_attachment_id = get_term_meta($this->term_id, 'avatar', true);

if ( (int) $avatar_attachment_id === 0) {
                $avatar_attachment_id = (int)isset($legacyPlugin->modules->multiple_authors->options->default_avatar) ? $legacyPlugin->modules->multiple_authors->options->default_avatar : 0;
            }

// Get the avatar from the attachments.
            $url   = '';
            $url2x = '';
            if (!empty($avatar_attachment_id)) {
                $url   = wp_get_attachment_image_url($avatar_attachment_id, $size);
                $url2x = wp_get_attachment_image_url($avatar_attachment_id, $size * 2);
            }

// Check if it should return the default avatar.
            if (empty($url)) {
                $avatar_data = get_avatar_data(0);
                $url         = $avatar_data['url'];
                $url2x       = $avatar_data['url'] . '2x';
            }

$this->customAvatarUrl = [
                'url'   => $url,
                'url2x' => $url2x,
            ];
        }

return $this->customAvatarUrl;
    }

/**
     * For guest authors, returns the custom avatar, if set. If not set, the WordPress' default profile picture.
     * For user mapped authors, returns the custom avatar if set. If not set, returns the user's avatar.
     *
     * @param int $size
     *
     * @return string
     */
    public function get_avatar($size = 96)
    {
        if (!isset($this->avatarBySize[$size])) {
            /**
             * Filters whether to retrieve the avatar early.
             *
             * Passing a non-null value will effectively short-circuit get_avatar(), passing
             * the value through the {@see 'multiple_authors_get_avatar'} filter and returning early.
             *
             * @param string $avatar HTML for the author's avatar. Default null.
             * @param Author $author The author's instance.
             * @param int $size The size of the avatar.
             *
             * @since 2.2.1
             *
             */
            $avatar = apply_filters('multiple_authors_pre_get_avatar', null, $this, $size);

if (!is_null($avatar)) {
                /** This filter is documented in core/Classes/Objects/Author.php */
                return apply_filters('multiple_authors_get_avatar', $avatar, $this, $size);
            }

if ($this->has_custom_avatar()) {
                $avatar = $this->get_custom_avatar($size);
            } else {
                $avatar = get_avatar($this->user_email, $size, '', $this->display_name);
            }

/**
             * Filters the avatar to retrieve.
             *
             * @param string $avatar HTML for the author's avatar.
             * @param Author $author The author's instance.
             * @param int $size The size of the avatar.
             *
             * @since 2.2.1
             *
             */
            $this->avatarBySize[$size] = apply_filters('multiple_authors_get_avatar', $avatar, $this, $size);
        }

return isset($this->avatarBySize[$size]) ? $this->avatarBySize[$size] : false;
    }

/**
     * Return's the custom avatar set for the author, or the default user profile image set in site settings.
     *
     * @param int $size
     *
     * @return string
     */
    protected function get_custom_avatar($size = 96)
    {
        $urls = $this->get_custom_avatar_url($size);

$class = [
            'multiple_authors_guest_author_avatar',
            'avatar',
        ];

/**
         * Filters avatar alt.
         *
         * Passing a non-null value will prevent us fetching for avatar alt.
         *
         * @param string $avatar_alt text for the author's avatar. Default null.
         * @param Author $author The author's instance.
         * @param array $urls The avatar urls.
         * @param int $size The size of the avatar.
         *
         * @since 4.7.3
         *
         */
        $alt = apply_filters('multiple_authors_avatar_alt_text', null, $this, $urls, $size);
        if (is_null($alt)) {
            $imageId = attachment_url_to_postid($urls['url']);
            $alt = get_post_meta( $imageId, '_wp_attachment_image_alt', true );
        }

// Build the HTML tag.
        $avatar = sprintf(
            "<img alt='%s' src='%s' srcset='%s' class='%s' height='%d' width='%d'/>",
            esc_attr($alt),
            esc_url($urls['url']),
            esc_url($urls['url2x']),
            esc_attr(join(' ', $class)),
            (int)$size,
            (int)$size
        );

return $avatar;
    }

/**
     * @param $metaKey
     * @param $single
     *
     * @return mixed
     *
     * @deprecated 3.2.5-beta.6
     */
    public function meta($metaKey, $single = true)
    {
        return $this->get_meta($metaKey, $single);
    }

/**
     * @param $metaKey
     * @param $single
     *
     * @return mixed
     *
     * @deprecated 3.2.5-beta.6
     */
    public function user_meta($metaKey, $single = true)
    {
        $metaValue = null;

if (!$this->is_guest()) {
            $metaValue = get_user_meta($this->user_id, $metaKey, $single);
        }

return $metaValue;
    }

/**
     * Return the user object of an author mapped to a user.
     *
     * @return bool|WP_User
     */
    public function get_user_object()
    {
        if ($this->is_guest()) {
            return false;
        }

if (empty($this->userObject)) {
            $this->userObject = get_user_by('ID', $this->user_id);
        }

return !empty($this->userObject) ? $this->userObject : false;
    }

/**
     * Returns true if the author is a guest author. Guest authors are authors that are not
     * mapped to a site user.
     *
     * @return bool
     */
    public function is_guest()
    {
        return empty($this->user_id);
    }

/**
     * Get an author searching it by the email address. This function can cause performance issues
     * if called too many times on the same request.
     *
     * @param $emailAddress
     *
     * @return false|mixed|Author
     */
    public static function get_by_email($emailAddress)
    {
        if (!isset(self::$authorsByEmailCache[$emailAddress])) {
            $authorTermId = Author_Utils::get_author_term_id_by_email($emailAddress);

if (!empty($authorTermId)) {
                self::$authorsByEmailCache[$emailAddress] = self::get_by_term_id($authorTermId);
            }
        }

return isset(self::$authorsByEmailCache[$emailAddress]) ? self::$authorsByEmailCache[$emailAddress] : false;
    }

/**
     * Get an author by the provided ID.
     *
     * This ID can either be the WP_User ID (positive integer) or guest author ID (negative integer).
     *
     * @param $id
     *
     * @return Author|false
     */
    public static function get_by_id($id)
    {
        if (intval($id) > -1) {
            return self::get_by_user_id($id);
        }
        return self::get_by_term_id($id);
    }

/**
     * Get author posts count with support for post_type.
     *
     * @param integer $term_id for the author.
     * @param string $post_type.
     *
     * @return integer $counts
     */
    public static function get_author_posts_count($term_id, $post_type = 'post')
    {
        global $wpdb;
        
        $cache_key = $post_type . '_' . $term_id;
     
        $counts = wp_cache_get($cache_key, 'counts');

if (!$counts) {
            $expire_days = 7;
            $distinct    = '';
            $join        = '';
            $where       = '';
            $query       = '';

$distinct   .= "COUNT(DISTINCT {$wpdb->posts}.ID)";

$join       .= " LEFT JOIN {$wpdb->term_relationships} ON ({$wpdb->posts}.ID = {$wpdb->term_relationships}.object_id)";
            $join       .= " LEFT JOIN {$wpdb->term_taxonomy} ON ({$wpdb->term_relationships}.term_taxonomy_id = {$wpdb->term_taxonomy}.term_taxonomy_id)";
            
            $where      .= $wpdb->prepare(" AND {$wpdb->term_taxonomy}.taxonomy = %s", "author");
            $where      .= $wpdb->prepare(" AND {$wpdb->term_taxonomy}.term_id = %d", $term_id);
            $where      .= $wpdb->prepare(" AND {$wpdb->posts}.post_type = %s", $post_type);
            $where      .= " AND {$wpdb->posts}.post_status NOT IN ('trash', 'auto-draft')";

/**
             * Filters the DISTINCT clause of the query.
             *
             * @param string   $distinct The DISTINCT clause of the query.
             * @param integer  $term_id  Author term id.
             * @param string   $post_type Post type.
             *
             * @since 3.16.2
             */
            $distinct = apply_filters('ppma_author_posts_count_distinct', $distinct, $term_id, $post_type);

/**
             * Filters the JOIN clause of the query.
             *
             * @param string   $join The JOIN clause of the query.
             * @param integer  $term_id  Author term id.
             * @param string   $post_type Post type.
             *
             * @since 3.16.2
             */
            $join     = apply_filters('ppma_author_posts_count_join', $join, $term_id, $post_type);

/**
             * Filters the WHERE clause of the query.
             *
             * @param string   $where The WHERE clause of the query.
             * @param integer  $term_id  Author term id.
             * @param string   $post_type Post type.
             *
             * @since 3.16.2
             */
            $where     = apply_filters('ppma_author_posts_count_where', $where, $term_id, $post_type);

$query     = "SELECT $distinct FROM {$wpdb->posts} $join WHERE 1=1 $where";

/**
             * Filters the whole count query.
             *
             * @param string   $query The count query.
             * @param integer  $term_id  Author term id.
             * @param string   $post_type Post type.
             *
             * @since 3.16.2
             */
            $query    = apply_filters('ppma_author_posts_count_query', $query, $term_id, $post_type);

$counts = (int)$wpdb->get_var($query);

/**
             * Filters author posts count expire days.
             *
             * @param integer  $expire_days current expire days.
             * @param integer  $term_id  Author term id.
             * @param string   $post_type Post type.
             *
             * @since 3.16.2
             */
            $expire_days = apply_filters(
                'ppma_author_posts_count_cache_expire_days', 
                $expire_days, 
                $term_id, 
                $post_type
            );

$expire = (int)$expire_days * DAY_IN_SECONDS;

wp_cache_set($cache_key, $counts, 'counts', $expire);
        }
        
        /**
         * Filter author posts count.
         * 
         * @param integer $counts
         * @param string  $term_id  Author term id.
         * @param string  $post_type   Post type.
         * 
         * @since 3.16.2
         */
        return apply_filters('ppma_author_posts_count', $counts, $term_id, $post_type);
    }

/**
     * Authors description with limit.
     *
     * @param int $size
     * @param mixed $end
     *
     * @return string
     */
    public function get_description($limit = 0, $end = '...')
    {
        $authorDescription = isset($this->description) ? $this->description : '';
        $descriptionLimit  = (int)$limit;

if (!empty($authorDescription) && $limit > 0) {
            if (mb_strwidth($authorDescription, 'UTF-8') > $limit) {
                $authorDescription = rtrim(mb_strimwidth($authorDescription, 0, $limit, '', 'UTF-8')).$end;
            }
        }

return $authorDescription;
    }

}