<?php
namespace um\core;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'um\core\User' ) ) {


	/**
	 * Class User
	 * @package um\core
	 */
	class User {


		/**
		 * Data that we will set before the update profile to compare it after update
		 *
		 * @var null
		 */
		public $previous_data = null;

		/**
		 * @var int
		 */
		public $id = 0;

		/**
		 * @var null
		 */
		public $usermeta = null;

		/**
		 * @var null
		 */
		public $data = null;

		/**
		 * @var null
		 */
		public $profile = null;

		/**
		 * @var null
		 */
		public $cannot_edit = null;

		/**
		 * @var null
		 */
		public $deleted_user_id = null;

		/**
		 * @var array|string[]
		 */
		public $banned_keys = array();

		/**
		 * @var bool
		 */
		public $preview = false;

		/**
		 * @var bool
		 */
		public $send_mail_on_delete = true;

		/**
		 * A list of keys that should never be in wp_usermeta.
		 * @var array|string[]
		 */
		public $update_user_keys = array();

		/**
		 * @var null
		 */
		public $target_id = null;

		public $updating_process = false;

		/**
		 * @var array
		 */
		public $cached_user = array();

		/**
		 * User constructor.
		 */
		public function __construct() {
			global $wpdb;

			$this->banned_keys = array(
				'metabox',
				'postbox',
				'meta-box',
				'dismissed_wp_pointers',
				'session_tokens',
				'screen_layout',
				$wpdb->get_blog_prefix() . 'user-',
				'dismissed',
				'cap_key',
				$wpdb->get_blog_prefix() . 'capabilities',
				'managenav',
				'nav_menu',
				'user_activation_key',
				'level_',
				$wpdb->get_blog_prefix() . 'user_level',
			);

			// a list of keys that should never be in wp_usermeta
			$this->update_user_keys = array(
				'user_email',
				'user_pass',
				'user_password',
				'display_name',
				'user_url',
				'role',
			);

			add_action( 'init', array( &$this, 'set' ), 1 );

			// When the cache should be cleared
			add_action( 'um_delete_user', array( &$this, 'remove_cache' ), 10, 1 );

			// When user cache should be cleared
			add_action( 'um_after_user_updated', array( &$this, 'remove_cache' ) );
			add_action( 'um_after_user_account_updated', array( &$this, 'remove_cache' ) );
			add_action( 'personal_options_update', array( &$this, 'remove_cache' ) );
			//add_action('edit_user_profile_update', array(&$this, 'remove_cache') );
			add_action( 'um_when_role_is_set', array( &$this, 'remove_cache' ) );

			add_action( 'show_user_profile', array( $this, 'profile_form_additional_section' ), 10 );
			add_action( 'user_new_form', array( $this, 'profile_form_additional_section' ), 10 );
			add_action( 'edit_user_profile', array( $this, 'profile_form_additional_section' ), 10 );
			add_filter( 'um_user_profile_additional_fields', array( $this, 'secondary_role_field' ), 1, 2 );

			//on every update of user profile (hook from wp_update_user)
			add_action( 'profile_update', array( &$this, 'profile_update' ), 10, 2 ); // user_id and old_user_data

			//on user update profile page
			//add_action( 'edit_user_profile_update', array( &$this, 'profile_update' ), 10, 1 );

			add_action( 'user_register', array( &$this, 'user_register_via_admin' ), 10, 1 );
			add_action( 'user_register', array( &$this, 'set_gravatar' ), 11, 1 );

			if ( is_multisite() ) {
				add_action( 'added_existing_user', array( &$this, 'add_um_role_existing_user' ), 10, 2 );
				add_action( 'wpmu_activate_user', array( &$this, 'add_um_role_wpmu_new_user' ), 10, 1 );
			}

			add_action( 'init', array( &$this, 'check_membership' ), 10 );

			if ( is_multisite() ) {
				add_action( 'wpmu_delete_user', array( &$this, 'delete_user_handler' ) );
			} else {
				add_action( 'delete_user', array( &$this, 'delete_user_handler' ) );
			}

			add_action( 'updated_user_meta', array( &$this, 'on_update_usermeta' ), 10, 4 );
			add_action( 'added_user_meta', array( &$this, 'on_update_usermeta' ), 10, 4 );

			add_action( 'deleted_user_meta', array( &$this, 'on_delete_usermeta' ), 10, 4 );

			add_action( 'update_user_meta', array( &$this, 'flush_um_count_users_transient_update' ), 10, 4 );
			add_action( 'added_user_meta', array( &$this, 'flush_um_count_users_transient_add' ), 10, 4 );
			add_action( 'delete_user_meta', array( &$this, 'flush_um_count_users_transient_delete' ), 10, 4 );

			add_action( 'update_user_metadata', array( &$this, 'avoid_banned_keys' ), 10, 3 );
		}

		/**
		 * It validates the meta_key for wp_usermeta table.
		 * Avoid to handle `meta_key` by the UM Forms if it contains $this->banned_keys inside.
		 *
		 * @since 2.6.5
		 *
		 * @param string $meta_key Usermeta key.
		 * @return bool
		 */
		public function is_metakey_banned( $meta_key, $context = '' ) {
			$is_banned = false;
			foreach ( $this->banned_keys as $ban ) {
				if ( is_numeric( $meta_key ) || false !== stripos( $meta_key, $ban ) || false !== stripos( remove_accents( $meta_key ), $ban ) ) {
					$is_banned = true;
					break;
				}
			}

			if ( ! $is_banned && 'submission' === $context && ! in_array( $meta_key, UM()->form()->usermeta_whitelist, true ) ) {
				$is_banned = true;
			}

			return $is_banned;
		}

		/**
		 * Low-level checking to avoid updating banned user metakeys while UM Forms submission.
		 *
		 * @since 2.6.4
		 *
		 * @param null|bool $check     Whether to allow updating metadata for the given type.
		 * @param int       $object_id ID of the object metadata is for.
		 * @param string    $meta_key  Metadata key.
		 *
		 * @return null|bool
		 */
		public function avoid_banned_keys( $check, $object_id, $meta_key ) {
			if ( false === $this->updating_process ) {
				return $check;
			}

			if ( $this->is_metakey_banned( $meta_key, 'submission' ) ) {
				$check = false;
			}

			return $check;
		}

		/**
		 * @param $meta_ids
		 * @param $object_id
		 * @param $meta_key
		 * @param $_meta_value
		 */
		public function flush_um_count_users_transient_update( $meta_ids, $object_id, $meta_key, $_meta_value ) {
			if ( 'account_status' !== $meta_key ) {
				return;
			}

			// related to the User role > Registration Options Metabox > Registration status 2nd and 3rd option
			if ( in_array( $_meta_value, array( 'checkmail', 'pending' ), true ) ) {
				return;
			}

			$pending_statuses = array(
				'awaiting_email_confirmation',
				'awaiting_admin_review',
			);

			$old = get_user_meta( $object_id, $meta_key, true );

			if ( $old === $_meta_value ) {
				return;
			}

			// related to the User role > Registration Options Metabox > Registration status 2nd and 3rd option
			if ( ! in_array( $old, array( 'checkmail', 'pending' ), true ) ) {
				// deduct old transient count
				$count = get_transient( "um_count_users_{$old}" );
				if ( false !== $count ) {
					if ( ! is_numeric( $count ) ) {
						delete_transient( "um_count_users_{$old}" );
					} else {
						if ( 0 < $count ) {
							$count--;
						} else {
							$count = 0;
						}
						set_transient( "um_count_users_{$old}", $count );
					}
				}

				if ( in_array( $old, $pending_statuses, true ) && ! in_array( $_meta_value, $pending_statuses, true ) ) {
					// deduct old transient count
					$count = get_transient( 'um_count_users_pending_dot' );
					if ( false !== $count ) {
						if ( ! is_numeric( $count ) ) {
							delete_transient( 'um_count_users_pending_dot' );
						} else {
							if ( 0 < $count ) {
								$count--;
							} else {
								$count = 0;
							}
							set_transient( 'um_count_users_pending_dot', $count );
						}
					}
				}
			}

			// add new transient count
			$count = get_transient( "um_count_users_{$_meta_value}" );
			if ( false !== $count ) {
				if ( is_numeric( $count ) ) {
					$count++;
				} else {
					$count = 1;
				}
			} else {
				$count = 1;
			}
			set_transient( "um_count_users_{$_meta_value}", $count );

			if ( in_array( $_meta_value, $pending_statuses, true ) && ! in_array( $old, $pending_statuses, true ) ) {
				// add new transient count
				$count = get_transient( 'um_count_users_pending_dot' );
				if ( false !== $count ) {
					if ( is_numeric( $count ) ) {
						$count++;
					} else {
						$count = 1;
					}
				} else {
					$count = 1;
				}
				set_transient( 'um_count_users_pending_dot', $count );
			}
		}


		/**
		 * @param $meta_ids
		 * @param $object_id
		 * @param $meta_key
		 * @param $_meta_value
		 */
		public function flush_um_count_users_transient_add( $meta_ids, $object_id, $meta_key, $_meta_value ) {
			if ( 'account_status' !== $meta_key ) {
				return;
			}

			// related to the User role > Registration Options Metabox > Registration status 2nd and 3rd option
			if ( in_array( $_meta_value, array( 'checkmail', 'pending' ), true ) ) {
				return;
			}

			$pending_statuses = array(
				'awaiting_email_confirmation',
				'awaiting_admin_review',
			);

			// add new transient count
			$count = get_transient( "um_count_users_{$_meta_value}" );
			if ( false !== $count ) {
				if ( is_numeric( $count ) ) {
					$count++;
				} else {
					$count = 1;
				}
			} else {
				$count = 1;
			}
			set_transient( "um_count_users_{$_meta_value}", $count );

			if ( in_array( $_meta_value, $pending_statuses, true ) ) {
				// add new transient count
				$pending_count = get_transient( 'um_count_users_pending_dot' );
				if ( false !== $pending_count ) {
					if ( is_numeric( $pending_count ) ) {
						$pending_count++;
					} else {
						$pending_count = 1;
					}
				} else {
					$pending_count = 1;
				}
				set_transient( 'um_count_users_pending_dot', $pending_count );
			}
		}


		/**
		 * @param $meta_ids
		 * @param $object_id
		 * @param $meta_key
		 * @param $_meta_value
		 */
		public function flush_um_count_users_transient_delete( $meta_ids, $object_id, $meta_key, $_meta_value ) {
			if ( 'account_status' !== $meta_key ) {
				return;
			}

			$value = ( '' !== $_meta_value ) ? $_meta_value : get_user_meta( $object_id, $meta_key, true );

			// related to the User role > Registration Options Metabox > Registration status 2nd and 3rd option
			if ( in_array( $value, array( 'checkmail', 'pending' ), true ) ) {
				return;
			}

			$pending_statuses = array(
				'awaiting_email_confirmation',
				'awaiting_admin_review',
			);

			// deduct old transient count
			$count = get_transient( "um_count_users_{$value}" );
			if ( false !== $count ) {
				if ( ! is_numeric( $count ) ) {
					delete_transient( "um_count_users_{$value}" );
				} else {
					if ( 0 < $count ) {
						$count--;
					} else {
						$count = 0;
					}
					set_transient( "um_count_users_{$value}", $count );
				}
			}

			if ( in_array( $value, $pending_statuses, true ) ) {
				// deduct old transient count
				$count = get_transient( 'um_count_users_pending_dot' );
				if ( false !== $count ) {
					if ( ! is_numeric( $count ) ) {
						delete_transient( 'um_count_users_pending_dot' );
					} else {
						if ( 0 < $count ) {
							$count--;
						} else {
							$count = 0;
						}
						set_transient( 'um_count_users_pending_dot', $count );
					}
				}
			}
		}

		/**
		 * When you delete usermeta connected with member directory - reset it to  default value
		 *
		 * @param int|array $meta_ids
		 * @param int $object_id
		 * @param string $meta_key
		 * @param mixed $_meta_value
		 */
		public function on_delete_usermeta( $meta_ids, $object_id, $meta_key, $_meta_value ) {
			if ( $this->deleted_user_id ) {
				return;
			}

			$metakeys = array( 'account_status', 'hide_in_members', 'synced_gravatar_hashed_id', 'synced_profile_photo', 'profile_photo', 'cover_photo', '_um_verified' );
			if ( ! in_array( $meta_key, $metakeys, true ) ) {
				return;
			}

			// Set default if empty or has a wrong format.
			$md_data = get_user_meta( $object_id, 'um_member_directory_data', true );
			if ( empty( $md_data ) || ! is_array( $md_data ) ) {
				$md_data = array(
					'account_status'  => 'approved',
					'hide_in_members' => UM()->member_directory()->get_hide_in_members_default(),
					'profile_photo'   => false,
					'cover_photo'     => false,
					'verified'        => false,
				);
			}

			switch ( $meta_key ) {
				case 'account_status':
					$md_data['account_status'] = 'approved';
					break;
				case 'hide_in_members':
					$md_data['hide_in_members'] = UM()->member_directory()->get_hide_in_members_default();
					break;
				case 'synced_gravatar_hashed_id':
					if ( UM()->options()->get( 'use_gravatars' ) ) {
						$profile_photo        = get_user_meta( $object_id, 'profile_photo', true );
						$synced_profile_photo = get_user_meta( $object_id, 'synced_profile_photo', true );

						$md_data['profile_photo'] = ! empty( $profile_photo ) || ! empty( $synced_profile_photo );
					}

					break;
				case 'synced_profile_photo':
					$profile_photo = get_user_meta( $object_id, 'profile_photo', true );

					$synced_gravatar_hashed_id = false;
					if ( UM()->options()->get( 'use_gravatars' ) ) {
						$synced_gravatar_hashed_id = get_user_meta( $object_id, 'synced_gravatar_hashed_id', true );
					}

					$md_data['profile_photo'] = ! empty( $profile_photo ) || ! empty( $synced_gravatar_hashed_id );
					break;
				case 'profile_photo':
					$synced_profile_photo = get_user_meta( $object_id, 'synced_profile_photo', true );

					$synced_gravatar_hashed_id = false;
					if ( UM()->options()->get( 'use_gravatars' ) ) {
						$synced_gravatar_hashed_id = get_user_meta( $object_id, 'synced_gravatar_hashed_id', true );
					}

					$md_data['profile_photo'] = ! empty( $synced_profile_photo ) || ! empty( $synced_gravatar_hashed_id );
					break;
				case 'cover_photo':
					$md_data['cover_photo'] = false;
					break;
				case '_um_verified':
					$md_data['verified'] = false;
					break;
			}

			update_user_meta( $object_id, 'um_member_directory_data', $md_data );
		}

		/**
		 * When you add/update usermeta connected with member directories - set this data to member directory metakey
		 *
		 * @param int $meta_id
		 * @param int $object_id
		 * @param string $meta_key
		 * @param mixed $_meta_value
		 */
		public function on_update_usermeta( $meta_id, $object_id, $meta_key, $_meta_value ) {
			$metakeys = array( 'account_status', 'hide_in_members', 'synced_gravatar_hashed_id', 'synced_profile_photo', 'profile_photo', 'cover_photo', '_um_verified' );
			if ( ! in_array( $meta_key, $metakeys, true ) ) {
				return;
			}

			// Set default if empty or has a wrong format.
			$md_data = get_user_meta( $object_id, 'um_member_directory_data', true );
			if ( empty( $md_data ) || ! is_array( $md_data ) ) {
				$md_data = array(
					'account_status'  => 'approved',
					'hide_in_members' => UM()->member_directory()->get_hide_in_members_default(),
					'profile_photo'   => false,
					'cover_photo'     => false,
					'verified'        => false,
				);
			}

			switch ( $meta_key ) {
				case 'account_status':
					$md_data['account_status'] = $_meta_value;
					break;
				case 'hide_in_members':
					$hide_in_members = UM()->member_directory()->get_hide_in_members_default();
					if ( ! empty( $_meta_value ) ) {
						if ( 'Yes' === $_meta_value || __( 'Yes', 'ultimate-member' ) === $_meta_value ||
							 array_intersect( array( 'Yes', __( 'Yes', 'ultimate-member' ) ), $_meta_value ) ) {
							$hide_in_members = true;
						} else {
							$hide_in_members = false;
						}
					}

					$md_data['hide_in_members'] = $hide_in_members;

					break;
				case 'synced_gravatar_hashed_id':
					if ( UM()->options()->get( 'use_gravatars' ) ) {
						if ( empty( $md_data['profile_photo'] ) ) {
							$md_data['profile_photo'] = ! empty( $_meta_value );
						}
					}

					break;
				case 'synced_profile_photo':
				case 'profile_photo':
					if ( empty( $md_data['profile_photo'] ) ) {
						$md_data['profile_photo'] = ! empty( $_meta_value );
					}
					break;
				case 'cover_photo':
					$md_data['cover_photo'] = ! empty( $_meta_value );
					break;
				case '_um_verified':
					$md_data['verified'] = 'verified' === $_meta_value;
					break;
			}

			update_user_meta( $object_id, 'um_member_directory_data', $md_data );
		}

		/**
		 * @param $user_id
		 */
		public function delete_user_handler( $user_id ) {
			um_fetch_user( $user_id );

			$this->deleted_user_id = $user_id;
			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_delete_user_hook
			 * @description On delete user
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_delete_user_hook', 'function_name', 10 );
			 * @example
			 * <?php
			 * add_action( 'um_delete_user_hook', 'my_delete_user', 10 );
			 * function my_delete_user() {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( 'um_delete_user_hook' );

			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_delete_user
			 * @description On delete user
			 * @input_vars
			 * [{"var":"$user_id","type":"int","desc":"User ID"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_delete_user', 'function_name', 10, 1 );
			 * @example
			 * <?php
			 * add_action( 'um_delete_user', 'my_delete_user', 10, 1 );
			 * function my_delete_user( $user_id ) {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( 'um_delete_user', um_user( 'ID' ) );

			// remove user's comments
			if ( UM()->options()->get( 'delete_comments' ) ) {
				$user = get_user_by( 'id', um_user( 'ID' ) );

				$comments = array_merge( get_comments( 'author_email=' . $user->user_email ), get_comments( 'user_id=' . um_user( 'ID' ) ) );
				foreach ( $comments as $comment ) {
					wp_delete_comment( $comment->comment_ID, true );
				}
			}

			// send email notifications
			if ( $this->send_mail_on_delete ) {
				$user_email = um_user( 'user_email' );

				// Sending without Action Scheduler, because in the scheduled event the user is already deleted.
				UM()->mail()->send( $user_email, 'deletion_email' );

				$emails = um_multi_admin_email();
				if ( ! empty( $emails ) ) {
					foreach ( $emails as $email ) {
						// Sending without Action Scheduler, because in the scheduled event the user is already deleted.
						UM()->mail()->send( $email, 'notification_deletion', array( 'admin' => true ) );
					}
				}
			}

			// remove uploads
			UM()->files()->remove_dir( UM()->files()->upload_temp );
			UM()->files()->remove_dir( UM()->uploader()->get_upload_base_dir() . um_user( 'ID' ) . DIRECTORY_SEPARATOR );

			delete_transient( 'um_count_users_unassigned' );
			delete_transient( 'um_count_users_pending_dot' );
		}

		/**
		 *
		 */
		public function check_membership() {
			if ( ! is_user_logged_in() ) {
				return;
			}

			if ( UM()->common()->users()->has_status( get_current_user_id(), 'rejected' ) ) {
				wp_logout();
				session_unset();
				um_safe_redirect( um_get_core_page( 'login' ) );
				exit;
			}
		}

		/**
		 * Multisite add existing user
		 *
		 * @param $user_id
		 * @param $result
		 */
		function add_um_role_existing_user( $user_id, $result ) {
			// Bail if no user ID was passed
			if ( empty( $user_id ) ) {
				return;
			}

			if ( ! empty( $_POST['um-role'] ) && current_user_can( 'promote_users' ) ) {
				if ( ! user_can( $user_id, sanitize_key( $_POST['um-role'] ) ) ) {
					UM()->roles()->set_role( $user_id, sanitize_key( $_POST['um-role'] ) );
				}
			}

			$this->remove_cache( $user_id );
		}


		/**
		 * Multisite add existing user
		 *
		 * @param $user_id
		 */
		function add_um_role_wpmu_new_user( $user_id ) {
			// Bail if no user ID was passed
			if ( empty( $user_id ) ) {
				return;
			}

			if ( ! empty( $_POST['um-role'] ) && current_user_can( 'promote_users' ) ) {
				if ( ! user_can( $user_id, sanitize_key( $_POST['um-role'] ) ) ) {
					UM()->roles()->set_role( $user_id, sanitize_key( $_POST['um-role'] ) );
				}
			}

			$this->remove_cache( $user_id );
		}


		/**
		 * @param int  $user_id
		 * @param bool $raw
		 *
		 * @return bool|mixed
		 */
		public function get_profile_slug( $user_id, $raw = false ) {
			// Permalink base
			$permalink_base = UM()->options()->get( 'permalink_base' );
			if ( 'custom_meta' === $permalink_base ) {
				$custom_meta = UM()->options()->get( 'permalink_base_custom_meta' );
				if ( empty( $custom_meta ) ) {
					// Set default permalink base if custom meta is empty.
					$permalink_base = 'user_login';
					$meta_key       = 'um_user_profile_url_slug_' . $permalink_base;
				} else {
					$meta_key = $custom_meta;
				}
			} else {
				$meta_key = 'um_user_profile_url_slug_' . $permalink_base;
			}
			$profile_slug = get_user_meta( $user_id, $meta_key, true );

			if ( $raw ) {
				return $profile_slug;
			}

			//get default username permalink if it's empty then return false
			if ( empty( $profile_slug ) ) {
				if ( 'user_login' !== $permalink_base ) {
					$profile_slug = get_user_meta( $user_id, 'um_user_profile_url_slug_user_login', true );
				}

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

			return $profile_slug;
		}

		/**
		 * @param $user_id
		 *
		 * @return bool|string
		 */
		function get_profile_link( $user_id ) {
			$profile_slug = $this->get_profile_slug( $user_id );

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

			return UM()->permalinks()->profile_permalink( $profile_slug );
		}

		public function generate_user_hash( $user_id ) {
			$user_id = absint( $user_id );
			$append  = 0;

			while ( 1 ) {
				$user_in_url         = '~' . substr( strrev( md5( uniqid( 'um_user_hash' . $append, true ) . $user_id ) ), 0, 18 );
				$slug_exists_user_id = UM()->permalinks()->slug_exists_user_id( $user_in_url );
				if ( empty( $slug_exists_user_id ) || $user_id === $slug_exists_user_id ) {
					break;
				}
				$append++;
			}
			return $user_in_url;
		}

		/**
		 * Generate User Profile Slug and save to meta
		 *
		 * @param int $user_id
		 * @param bool $force
		 */
		public function generate_profile_slug( $user_id, $force = false ) {
			$userdata = get_userdata( $user_id );

			if ( empty( $userdata ) ) {
				return;
			}

			delete_option( "um_cache_userdata_{$user_id}" );

			$current_profile_slug = $this->get_profile_slug( $user_id, true );

			$user_in_url    = '';
			$permalink_base = UM()->options()->get( 'permalink_base' );

			// User ID
			if ( 'user_id' === $permalink_base ) {
				$user_in_url = $user_id;
			}

			if ( 'hash' === $permalink_base ) {
				if ( empty( $current_profile_slug ) ) {
					$user_in_url = $this->generate_user_hash( $user_id );
				} else {
					$user_in_url = $current_profile_slug;
				}
			}

			if ( 'custom_meta' === $permalink_base ) {
				$custom_meta = UM()->options()->get( 'permalink_base_custom_meta' );
				if ( empty( $custom_meta ) ) {
					// Set default permalink base if custom meta is empty.
					$permalink_base = 'user_login';
				} else {
					$user_in_url = rawurlencode( get_user_meta( $user_id, $custom_meta, true ) );
					/**
					 * Filters the user profile slug when custom meta is set.
					 *
					 * @param {string} $slug    User profile slug.
					 * @param {int}    $user_id User ID.
					 * @param {string} $metakey Meta key.
					 *
					 * @return {string} User profile slug.
					 *
					 * @since 2.7.0
					 * @hook um_custom_meta_permalink_base_generate_user_slug
					 *
					 * @example <caption>Use base64encode value as user slug.</caption>
					 * function my_custom_meta_permalink_base_generate_user_slug( $slug, $user_id, $metakey ) {
					 *     // your code here
					 *     $slug = base64encode( $user_id );
					 *     update_user_meta( $user_id, $metakey, $slug );
					 *     $slug = rawurlencode( $slug );
					 *     return $slug;
					 * }
					 * add_filter( 'um_custom_meta_permalink_base_generate_user_slug', 'my_custom_meta_permalink_base_generate_user_slug', 10, 3 );
					 */
					$user_in_url = apply_filters( 'um_custom_meta_permalink_base_generate_user_slug', $user_in_url, $user_id, $custom_meta );

					if ( empty( $user_in_url ) ) {
						$user_in_url = $userdata->user_login;
						if ( is_email( $user_in_url ) ) {

							$user_email  = $user_in_url;
							$user_in_url = str_replace( '@', '', $user_in_url );

							if ( ( $pos = strrpos( $user_in_url, '.' ) ) !== false ) {
								$search_length = strlen( '.' );
								$user_in_url   = substr_replace( $user_in_url, '-', $pos, $search_length );
							}
							update_user_meta( $user_id, "um_email_as_username_{$user_in_url}", $user_email );

						} else {
							$user_in_url = urlencode( $user_in_url );
						}
						update_user_meta( $user_id, "um_user_profile_url_slug_user_login", $user_in_url );
					}
				}
			}

			// Username
			if ( 'user_login' === $permalink_base ) {

				$user_in_url = $userdata->user_login;

				if ( is_email( $user_in_url ) ) {

					$user_email  = $user_in_url;
					$user_in_url = str_replace( '@', '', $user_in_url );

					if ( ( $pos = strrpos( $user_in_url, '.' ) ) !== false ) {
						$search_length = strlen( '.' );
						$user_in_url   = substr_replace( $user_in_url, '-', $pos, $search_length );
					}
					update_user_meta( $user_id, "um_email_as_username_{$user_in_url}", $user_email );

				} else {
					$user_in_url = urlencode( $user_in_url );
				}
			}

			// Fisrt and Last name
			$full_name_permalinks = array( 'name', 'name_dash', 'name_plus' );
			if ( in_array( $permalink_base, $full_name_permalinks, true ) ) {
				$separated    = array(
					'name'      => '.',
					'name_dash' => '-',
					'name_plus' => '+',
				);
				$separate     = $separated[ $permalink_base ];
				$first_name   = $userdata->first_name;
				$last_name    = $userdata->last_name;
				$full_name    = trim( sprintf( '%s %s', $first_name, $last_name ) );
				$full_name    = preg_replace( '/\s+/', ' ', $full_name ); // Remove double spaces
				$profile_slug = UM()->permalinks()->profile_slug( $full_name, $first_name, $last_name );

				$append    = 0;
				$username  = $full_name;
				$_username = $full_name;

				while ( 1 ) {
					$username            = $_username . ( empty( $append ) ? '' : " $append" );
					$slug_exists_user_id = UM()->permalinks()->slug_exists_user_id( $profile_slug . ( empty( $append ) ? '' : "{$separate}{$append}" ) );
					if ( empty( $slug_exists_user_id ) || $user_id == $slug_exists_user_id ) {
						break;
					}
					$append++;
				}

				$user_in_url = UM()->permalinks()->profile_slug( $username, $first_name, $last_name );
				if ( empty( $user_in_url ) ) {
					$user_in_url = $userdata->user_login;

					if ( is_email( $user_in_url ) ) {

						$user_email  = $user_in_url;
						$user_in_url = str_replace( '@', '', $user_in_url );

						if ( ( $pos = strrpos( $user_in_url, '.' ) ) !== false ) {
							$search_length = strlen( '.' );
							$user_in_url   = substr_replace( $user_in_url, '-', $pos, $search_length );
						}
						update_user_meta( $user_id, "um_email_as_username_{$user_in_url}", $user_email );

					} else {
						$user_in_url = sanitize_title( $user_in_url );
					}
				}

				$user_in_url = trim( $user_in_url, $separate );
			}

			$user_in_url = apply_filters( 'um_change_user_profile_slug', $user_in_url, $user_id );

			if ( $force || empty( $current_profile_slug ) || $current_profile_slug !== $user_in_url ) {
				update_user_meta( $user_id, "um_user_profile_url_slug_{$permalink_base}", $user_in_url );
			}
		}

		/**
		 * Backend user creation
		 *
		 * @param $user_id
		 */
		function user_register_via_admin( $user_id ) {
			if ( empty( $user_id ) ) {
				return;
			}

			if ( is_admin() ) {
				//if there custom 2 role not empty
				if ( ! empty( $_POST['um-role'] ) && current_user_can( 'promote_users' ) ) {
					$user = get_userdata( $user_id );
					$user->add_role( sanitize_key( $_POST['um-role'] ) );
					UM()->user()->profile['role'] = sanitize_key( $_POST['um-role'] );
					UM()->user()->update_usermeta_info( 'role' );
				}
				/** This action is documented in ultimate-member/includes/common/um-actions-register.php */
				do_action( 'um_user_register', $user_id, $_POST, null );
			}

			delete_transient( 'um_count_users_unassigned' );
		}


		/**
		 * On wp_update_user function complete
		 *
		 * @param int $user_id
		 * @param \WP_User $old_data
		 */
		function profile_update( $user_id, $old_data ) {
			// Bail if no user ID was passed
			if ( empty( $user_id ) ) {
				return;
			}

			$old_roles = $old_data->roles;
			$userdata  = get_userdata( $user_id );
			$new_roles = $userdata->roles;

			if ( is_admin() ) {
				if ( ! empty( $_POST['um-role'] ) && current_user_can( 'promote_users' ) ) {
					$new_roles = array_merge( $new_roles, array( sanitize_key( $_POST['um-role'] ) ) );
					if ( ! user_can( $user_id, sanitize_key( $_POST['um-role'] ) ) ) {
						UM()->roles()->set_role( $user_id, sanitize_key( $_POST['um-role'] ) );
					}
				}
			}

			/**
			 * UM hook
			 *
			 * @type action
			 * @title um_after_member_role_upgrade
			 * @description Action on user registration
			 * @input_vars
			 * [{"var":"$new_roles","type":"array","desc":"User new roles"},
			 * {"var":"$old_roles","type":"array","desc":"Old roles"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage add_action( 'um_after_member_role_upgrade', 'function_name', 10, 2 );
			 * @example
			 * <?php
			 * add_action( 'um_after_member_role_upgrade', 'my_after_member_role_upgrade', 10, 2 );
			 * function my_after_member_role_upgrade( $new_roles, $old_roles ) {
			 *     // your code here
			 * }
			 * ?>
			 */
			do_action( 'um_after_member_role_upgrade', $new_roles, $old_roles, $user_id );

			//Update permalink
			$this->generate_profile_slug( $user_id, true );

			$this->remove_cache( $user_id );
		}


		/**
		 * Additional section for WP Profile page with UM data fields
		 *
		 * @param \WP_User $userdata User data
		 * @return void
		 */
		function profile_form_additional_section( $userdata ) {

			/**
			 * UM hook
			 *
			 * @type filter
			 * @title um_user_profile_additional_fields
			 * @description Make additional content section
			 * @input_vars
			 * [{"var":"$content","type":"array","desc":"Additional section content"},
			 * {"var":"$userdata","type":"array","desc":"Userdata"}]
			 * @change_log
			 * ["Since: 2.0"]
			 * @usage
			 * <?php add_filter( 'um_user_profile_additional_fields', 'function_name', 10, 2 ); ?>
			 * @example
			 * <?php
			 * add_filter( 'um_user_profile_additional_fields', 'my_admin_pending_queue', 10, 2 );
			 * function my_admin_pending_queue( $content, $userdata ) {
			 *     // your code here
			 *     return $content;
			 * }
			 * ?>
			 */
			$section_content = apply_filters( 'um_user_profile_additional_fields', '', $userdata );

			if ( ! empty( $section_content ) && ! ( is_multisite() && is_network_admin() ) ) {

				if ( $userdata !== 'add-new-user' && $userdata !== 'add-existing-user' ) { ?>
					<h3 id="um_user_screen_block"><?php esc_html_e( 'Ultimate Member', 'ultimate-member' ); ?></h3>
					<?php
				}

				echo $section_content;
			}
		}


		/**
		 * Default interface for setting a ultimatemember role
		 *
		 * @param string $content Section HTML
		 * @param \WP_User $userdata User data
		 * @return string
		 */
		public function secondary_role_field( $content, $userdata ) {
			$roles = array();

			$role_keys = get_option( 'um_roles', array() );
			if ( $role_keys ) {
				foreach ( $role_keys as $role_key ) {
					$role_meta = get_option( "um_role_{$role_key}_meta" );

					if ( $role_meta ) {
						$roles[ 'um_' . $role_key ] = $role_meta;
					}
				}
			}

			if ( empty( $roles ) ) {
				return $content;
			}

			global $pagenow;
			if ( 'profile.php' == $pagenow ) {
				return $content;
			}

			$style     = '';
			$user_role = false;
			if ( $userdata !== 'add-new-user' && $userdata !== 'add-existing-user' ) {
				// Bail if current user cannot edit users
				if ( ! current_user_can( 'edit_user', $userdata->ID ) ) {
					return $content;
				}

				$user_role = UM()->roles()->get_um_user_role( $userdata->ID );
				if ( $user_role && ! empty( $userdata->roles ) && count( $userdata->roles ) == 1 ) {
					$style = 'style="display:none;"';
				}
			}

			$class = ( $userdata == 'add-existing-user' ) ? 'um_role_existing_selector_wrapper' : 'um_role_selector_wrapper';

			ob_start();
			?>

			<div id="<?php echo esc_attr( $class ); ?>" <?php echo $style; ?>>
				<table class="form-table">
					<tbody>
					<tr>
						<th><label for="um-role"><?php esc_html_e( 'Ultimate Member Role', 'ultimate-member' ); ?></label></th>
						<td>
							<select name="um-role" id="um-role">
								<option value="" <?php selected( empty( $user_role ) ); ?>><?php esc_html_e( '&mdash; No role for Ultimate Member &mdash;', 'ultimate-member' ); ?></option>
								<?php foreach ( $roles as $role_id => $details ) { ?>
									<option <?php selected( $user_role, $role_id ); ?> value="<?php echo esc_attr( $role_id ); ?>"><?php echo esc_html( $details['name'] ); ?></option>
								<?php } ?>
							</select>
						</td>
					</tr>
					</tbody>
				</table>
			</div>

			<?php
			$content .= ob_get_clean();

			return $content;
		}


		/**
		 * Converts object to array
		 *
		 * @param $obj
		 *
		 * @return array
		 */
		function toArray( $obj ) {
			if ( is_object( $obj ) ) {
				$obj = (array) $obj;
			}
			if ( is_array( $obj ) ) {
				$new = array();
				foreach ( $obj as $key => $val ) {
					$new[ $key ] = $this->toArray( $val );
				}
			} else {
				$new = $obj;
			}

			return $new;
		}

		/**
		 * @param $user_id
		 *
		 * @return mixed|string
		 */
		public function get_cached_data( $user_id ) {
			$disallow_cache = UM()->options()->get( 'um_profile_object_cache_stop' );
			if ( $disallow_cache ) {
				return '';
			}

			if ( is_numeric( $user_id ) && $user_id > 0 ) {
				$find_user = get_option( "um_cache_userdata_{$user_id}" );
				if ( $find_user ) {
					/** This filter is documented in includes/core/class-roles-capabilities.php */
					return apply_filters( 'um_user_permissions_filter', $find_user, $user_id );
				}
			}
			return '';
		}


		/**
		 * @param $user_id
		 * @param $profile
		 */
		function setup_cache( $user_id, $profile ) {

			$disallow_cache = UM()->options()->get( 'um_profile_object_cache_stop' );
			if ( $disallow_cache ) {
				return;
			}

			update_option( "um_cache_userdata_{$user_id}", $profile, false );
		}


		/**
		 * @param $user_id
		 */
		function remove_cache( $user_id ) {
			delete_option( "um_cache_userdata_{$user_id}" );
		}


		/**
		 * Remove cache for all users
		 */
		function remove_cache_all_users() {
			global $wpdb;
			$wpdb->query( "DELETE FROM {$wpdb->options} WHERE option_name LIKE 'um_cache_userdata_%'" );
		}


		/**
		 * This method lets you set a user. For example, to retrieve a profile or anything related to that user.
		 *
		 * @usage <?php UM()->user()->set( $user_id, $clean = false ); ?>
		 *
		 * @param null|int $user_id Which user to retrieve. A numeric user ID
		 * @param bool $clean Should be true or false. Basically, if you did not provide a user ID It will set the current logged in user as a profile
		 *
		 * @example The following example makes you set a user and retrieve their display name after that using the user API.

		<?php

		UM()->user()->set( 12 );
		$display_name = UM()->user()->profile['display_name']; // Should print user display name

		?>
		 *
		 */
		function set( $user_id = null, $clean = false ) {
			if ( isset( $this->profile ) ) {
				unset( $this->profile );
			}

			if ( $user_id ) {
				$this->id = $user_id;
			} elseif ( is_user_logged_in() && $clean == false ) {
				$this->id = get_current_user_id();
			} else {
				$this->id = 0;
			}

			if ( $this->get_cached_data( $this->id ) ) {
				$this->profile = $this->get_cached_data( $this->id );
			} else {

				if ( $user_id ) {

					$this->id       = $user_id;
					$this->usermeta = get_user_meta( $user_id );
					$this->data     = get_userdata( $this->id );

				} elseif ( is_user_logged_in() && $clean == false ) {

					$this->id       = get_current_user_id();
					$this->usermeta = get_user_meta( $this->id );
					$this->data     = get_userdata( $this->id );

				} else {

					$this->id       = 0;
					$this->usermeta = null;
					$this->data     = null;

				}

				// we have a user, populate a profile
				if ( $this->id && $this->toArray( $this->data ) ) {

					// add user data
					$this->data = $this->toArray( $this->data );

					foreach ( $this->data as $k => $v ) {
						if ( $k == 'roles' ) {
							$this->profile['wp_roles'] = implode( ',', $v );
						} elseif ( is_array( $v ) ) {
							foreach ( $v as $k2 => $v2 ) {
								$this->profile[ $k2 ] = $v2;
							}
						} else {
							$this->profile[ $k ] = $v;
						}
					}

					// add account status
					if ( ! isset( $this->usermeta['account_status'][0] ) ) {
						$this->usermeta['account_status'][0] = 'approved';
					}

					$this->usermeta['account_status_name'][0] = UM()->common()->users()->get_status( $this->id, 'formatted' );

					// add user meta
					foreach ( $this->usermeta as $k => $v ) {
						if ( 'display_name' === $k ) {
							continue;
						}
						$this->profile[ $k ] = $v[0];
					}

					// add permissions
					$user_role              = UM()->roles()->get_priority_user_role( $this->id );
					$this->profile['role']  = $user_role;
					$this->profile['roles'] = UM()->roles()->get_all_user_roles( $this->id );

					$role_meta = UM()->roles()->role_data( $user_role );
					/** This filter is documented in includes/core/class-roles-capabilities.php */
					$role_meta = apply_filters( 'um_user_permissions_filter', $role_meta, $this->id );

					$this->profile = array_merge( $this->profile, (array) $role_meta );

					$this->profile['super_admin'] = ( is_super_admin( $this->id ) ) ? 1 : 0;

					// clean profile
					$this->clean();

					// Setup cache
					$this->setup_cache( $this->id, $this->profile );

				}
			}

		}


		/**
		 * Reset user data
		 *
		 * @param bool $clean
		 */
		function reset( $clean = false ) {
			$this->set( 0, $clean );
		}

		/**
		 * Clean user profile before set.
		 */
		private function clean() {
			foreach ( $this->profile as $key => $value ) {
				if ( $this->is_metakey_banned( $key ) ) {
					unset( $this->profile[ $key ] );
				}
			}
		}

		/**
		 * This method lets you auto sign-in a user to your site.
		 *
		 * @usage <?php UM()->user()->auto_login( $user_id, $rememberme = false ); ?>
		 *
		 * @param int $user_id Which user ID to sign in automatically
		 * @param int|bool $rememberme Should be true or false. If you want the user sign in session to use cookies, use true
		 *
		 * @example The following example lets you sign in a user automatically by their ID.

		<?php UM()->user()->auto_login( 2 ); ?>
		 *
		 *
		 * @example The following example lets you sign in a user automatically by their ID and makes the plugin remember their session.

		<?php UM()->user()->auto_login( 10, true ); ?>
		 *
		 */
		public function auto_login( $user_id, $rememberme = 0 ) {

			wp_set_current_user( $user_id );

			wp_set_auth_cookie( $user_id, $rememberme );

			$user = get_user_by( 'ID', $user_id );

			do_action( 'wp_login', $user->user_login, $user );

		}

		/**
		 * Set user's registration details
		 *
		 * @param array $submitted
		 * @param array $args
		 * @param array $form_data
		 */
		public function set_registration_details( $submitted, $args, $form_data ) {
			if ( isset( $submitted['user_pass'] ) ) {
				unset( $submitted['user_pass'] );
			}

			if ( isset( $submitted['user_password'] ) ) {
				unset( $submitted['user_password'] );
			}

			if ( isset( $submitted['confirm_user_password'] ) ) {
				unset( $submitted['confirm_user_password'] );
			}

			//remove all password field values from submitted details
			$password_fields = array();
			foreach ( $submitted as $k => $v ) {
				if ( 'password' === UM()->fields()->get_field_type( $k ) ) {
					$password_fields[] = $k;
					$password_fields[] = 'confirm_' . $k;
				}
			}

			foreach ( $password_fields as $pw_field ) {
				unset( $submitted[ $pw_field ] );
			}

			/**
			 * Filters submitted data before save usermeta "submitted" on registration process.
			 *
			 * @param {array} $submitted           Form submitted data prepared for submitted usermeta.
			 * @param {array} $form_submitted_data All submitted data from $_POST. Since 2.6.7.
			 * @param {array} $form_data           Form data. Since 2.6.7.
			 *
			 * @return {array} Form submitted data prepared for submitted usermeta.
			 *
			 * @since 2.0
			 * @hook um_before_save_filter_submitted
			 *
			 * @example <caption>Change submitted data before save usermeta "submitted" on registration process.</caption>
			 * function my_before_save_filter_submitted( $submitted, $form_submitted_data, $form_data ) {
			 *     // your code here
			 *     return $submitted;
			 * }
			 * add_filter( 'um_before_save_filter_submitted', 'my_before_save_filter_submitted', 10, 3 );
			 */
			$submitted = apply_filters( 'um_before_save_filter_submitted', $submitted, $args, $form_data );

			/**
			 * Fires before save registration details to the user.
			 *
			 * @since 1.3.x
			 * @hook um_before_save_registration_details
			 *
			 * @param {int}   $user_id        User ID.
			 * @param {array} $submitted_data $_POST Submission array.
			 * @param {array} $form_data      Form data. Since 2.6.8.
			 *
			 * @example <caption>Make any custom action before save registration details to the user.</caption>
			 * function my_before_save_registration_details( $user_id, $submitted_data, $form_data ) {
			 *     // your code here
			 * }
			 * add_action( 'um_before_save_registration_details', 'my_before_save_registration_details', 10, 3 );
			 */
			do_action( 'um_before_save_registration_details', $this->id, $submitted, $form_data );

			update_user_meta( $this->id, 'submitted', $submitted );

			$this->update_profile( $submitted );

			/**
			 * Fires after save registration details to the user.
			 *
			 * @since 1.3.x
			 * @hook um_after_save_registration_details
			 *
			 * @param {int}   $user_id        User ID.
			 * @param {array} $submitted_data $_POST Submission array.
			 * @param {array} $form_data      UM form data. Since 2.6.7
			 *
			 * @example <caption>Make any custom action after save registration details to the user.</caption>
			 * function my_after_save_registration_details( $user_id, $submitted_data, $form_data ) {
			 *     // your code here
			 * }
			 * add_action( 'um_after_save_registration_details', 'my_after_save_registration_details', 10, 3 );
			 */
			do_action( 'um_after_save_registration_details', $this->id, $submitted, $form_data );
		}

		/**
		 * Set last login for new registered users
		 */
		public function set_last_login() {
			update_user_meta( $this->id, '_um_last_login', current_time( 'mysql', true ) );
		}

		/**
		 * @param \WP_User $userdata
		 *
		 * @return string|\WP_Error
		 */
		function maybe_generate_password_reset_key( $userdata ) {
			return get_password_reset_key( $userdata );
		}


		/**
		 * Password reset email
		 */
		function password_reset() {
			$userdata = get_userdata( um_user( 'ID' ) );

			$this->maybe_generate_password_reset_key( $userdata );

			add_filter( 'um_template_tags_patterns_hook', array( UM()->password(), 'add_placeholder' ) );
			add_filter( 'um_template_tags_replaces_hook', array( UM()->password(), 'add_replace_placeholder' ) );

			UM()->maybe_action_scheduler()->enqueue_async_action( 'um_dispatch_email', array( $userdata->user_email, 'resetpw_email', array( 'fetch_user_id' => um_user( 'ID' ) ) ) );
		}


		/**
		 * Password changed email
		 *
		 * @param null|int $user_id
		 */
		function password_changed( $user_id = null ) {
			if ( ! empty( $user_id ) ) {
				um_fetch_user( $user_id );
			}

			UM()->maybe_action_scheduler()->enqueue_async_action( 'um_dispatch_email', array( um_user( 'user_email' ), 'changedpw_email', array( 'fetch_user_id' => $user_id ) ) );

			if ( ! empty( $user_id ) ) {
				um_reset_user();
			}
		}

		/**
		 * Delete user
		 *
		 * @param bool $send_mail
		 */
		public function delete( $send_mail = true ) {
			$this->send_mail_on_delete = $send_mail;
			// Don't send email notification to not approved user
			if ( ! UM()->common()->users()->has_status( $this->id, 'approved' ) ) {
				$this->send_mail_on_delete = false;
			}

			// remove user
			if ( is_multisite() ) {
				if ( ! function_exists( 'wpmu_delete_user' ) ) {
					require_once ABSPATH . 'wp-admin/includes/ms.php';
				}

				wpmu_delete_user( $this->id );
			} else {
				if ( ! function_exists( 'wp_delete_user' ) ) {
					require_once ABSPATH . 'wp-admin/includes/user.php';
				}

				wp_delete_user( $this->id );
			}
		}

		/**
		 * This method gets a user role in slug format. e.g. member
		 *
		 * @usage <?php UM()->user()->get_role(); ?>
		 *
		 * @return string
		 *
		 * @example Do something if the user's role is paid-member

		<?php

		um_fetch_user( 12 );

		if ( UM()->user()->get_role() == 'paid-member' ) {
		// Show this to paid customers
		} else {
		// You are a free member
		}

		?>
		 *
		 */
		function get_role() {
			if ( ! empty( $this->profile['role'] ) ) {
				return $this->profile['role'];
			} else {
				if ( ! empty( $this->profile['wp_roles'] ) && $this->profile['wp_roles'] == 'administrator' ) {
					return 'admin';
				} else {
					return 'member';
				}
			}
		}


		/**
		 * Update one key in user meta
		 *
		 * @param $key
		 */
		function update_usermeta_info( $key ) {
			// delete the key first just in case
			delete_user_meta( $this->id, $key );
			update_user_meta( $this->id, $key, $this->profile[ $key ] );
		}


		/**
		 * This method can be used to delete user's meta key.
		 *
		 * @usage <?php UM()->user()->delete_meta( $key ); ?>
		 *
		 * @param string $key The meta field key to remove from user
		 *
		 *  @example Delete user's age field

		<?php

		um_fetch_user( 15 );
		UM()->user()->delete_meta( 'age' );

		?>

		 *
		 */
		function delete_meta( $key ) {
			delete_user_meta( $this->id, $key );
		}


		/**
		 * Get admin actions for individual user
		 *
		 * @return array|bool
		 */
		function get_admin_actions() {
			$items = array();

			$actions = UM()->frontend()->users()->get_actions_list( um_profile_id() );
			if ( empty( $actions ) ) {
				return $items;
			}

			foreach ( $actions as $id => $arr ) {
				$url = add_query_arg(
					array(
						'um_action' => $id,
						'uid'       => um_profile_id(),
						'nonce'     => wp_create_nonce( $id . um_profile_id() ),
					)
				);
				$items[] = '<a href="' . esc_url( $url ) . '" class="real_url ' . esc_attr( $id ) . '-item">' . esc_html( $arr['label'] ) . '</a>';
			}
			return $items;
		}


		/**
		 * This method checks if the profile indexing is disabled
		 *
		 * @param int $user_id
		 *
		 * @since 2.1.16
		 * @usage <?php UM()->user()->is_profile_noindex( $user_id ); ?>
		 *
		 * @return boolean  Is the profile indexing disabled?
		 */
		function is_profile_noindex( $user_id ) {
			$profile_noindex = false;

			if ( ! get_option( 'blog_public' ) ) {
				// Option "Search engine visibility" in [wp-admin > Settings > Reading]
				$profile_noindex = true;

			} elseif ( $this->is_private_profile( $user_id ) ) {
				// Setting "Profile Privacy" in [Account > Privacy]
				$profile_noindex = true;

			} elseif ( get_user_meta( $user_id, 'profile_noindex', true ) === '1' ) {
				// Setting "Avoid indexing my profile by search engines in [Account > Privacy]
				$profile_noindex = true;

			}

			if ( ! $profile_noindex ) {
				$role        = UM()->roles()->get_priority_user_role( $user_id );
				$permissions = UM()->roles()->role_data( $role );

				if ( isset( $permissions['profile_noindex'] ) && '' !== $permissions['profile_noindex'] ) {
					// Setting "Avoid indexing profile by search engines" in [wp-admin > Ultimate Member > User Roles > Edit Role]
					$profile_noindex = (bool) $permissions['profile_noindex'];

				} else {
					// Setting "Avoid indexing profile by search engines" in [wp-admin > Ultimate Member > Settings > General > Users]
					$profile_noindex = (bool) UM()->options()->get( 'profile_noindex' );

				}
			}

			return apply_filters( 'um_user_is_profile_noindex', $profile_noindex, $user_id, $this );
		}


		/**
		 * This method checks if give user profile is private.
		 *
		 * @usage <?php UM()->user()->is_private_profile( $user_id ); ?>
		 *
		 * @param int $user_id A user ID must be passed to check if the user profile is private
		 *
		 * @return bool
		 *
		 * @example This example display a specific user's name If his profile is public

		<?php

		um_fetch_user( 60 );
		$is_private = UM()->user()->is_private_profile( 60 );
		if ( ! $is_private ) {
		echo 'User is public and his name is ' . um_user('display_name');
		}

		?>
		 *
		 */
		function is_private_profile( $user_id ) {
			$privacy = get_user_meta( $user_id, 'profile_privacy', true );
			if ( $privacy == __( 'Only me', 'ultimate-member' ) || $privacy == 'Only me' ) {
				return true;
			}
			return $this->is_private_case( $user_id, $privacy );
		}


		/**
		 * This method can be used to determine If a certain user is approved or not.
		 *
		 * @usage <?php UM()->user()->is_approved( $user_id ); ?>
		 *
		 * @param int $user_id The user ID to check approval status for
		 *
		 * @return bool
		 *
		 * @example Do something If a user's membership is approved

		<?php

		if ( UM()->user()->is_approved( 55 ) {
		// User account is approved
		} else {
		// User account is not approved
		}

		?>
		 *
		 */
		function is_approved( $user_id ) {
			$status = get_user_meta( $user_id, 'account_status', true );
			if ( $status == 'approved' || $status == '' ) {
				return true;
			}
			return false;
		}


		/**
		 * Is private
		 *
		 * @param $user_id
		 * @param $case
		 *
		 * @return bool
		 */
		function is_private_case( $user_id, $case ) {
			$privacy = get_user_meta( $user_id, 'profile_privacy', true );

			if ( $privacy == $case ) {
				/**
				 * UM hook
				 *
				 * @type filter
				 * @title um_is_private_filter_hook
				 * @description Change user privacy
				 * @input_vars
				 * [{"var":"$is_private","type":"bool","desc":"Is user private"},
				 * {"var":"$privacy","type":"bool","desc":"Profile Privacy"},
				 * {"var":"$user_id","type":"int","desc":"User ID"}]
				 * @change_log
				 * ["Since: 2.0"]
				 * @usage
				 * <?php add_filter( 'um_is_private_filter_hook', 'function_name', 10, 3 ); ?>
				 * @example
				 * <?php
				 * add_filter( 'um_is_private_filter_hook', 'my_is_private_filter', 10, 3 );
				 * function my_is_private_filter( $is_private ) {
				 *     // your code here
				 *     return $is_private;
				 * }
				 * ?>
				 */
				$bool = apply_filters( 'um_is_private_filter_hook', false, $privacy, $user_id );
				return $bool;
			}

			return false;
		}

		/**
		 * Update profile
		 *
		 * @param array  $changes
		 * @param string $context
		 */
		public function update_profile( $changes, $context = '' ) {
			if ( 'account' !== $context ) {
				$this->updating_process = true;
			}

			$args['ID'] = $this->id;

			/**
			 * Filters the update profile changes data.
			 *
			 * @since 1.3.x
			 * @hook um_before_update_profile
			 *
			 * @param {array} $changes User Profile Changes.
			 * @param {int}   $user_id User ID.
			 *
			 * @return {array} User Profile Changes.
			 *
			 * @example <caption>Remove some_metakey from changes where user ID equals 12.</caption>
			 * function my_custom_before_update_profile( $changes, $user_id ) {
			 *     if ( 12 === $user_id ) {
			 *         unset( $changes['{some_metakey}'];
			 *     }
			 *     return $changes;
			 * }
			 * add_filter( 'um_before_update_profile', 'my_custom_before_update_profile', 10, 2 );
			 */
			$changes = apply_filters( 'um_before_update_profile', $changes, $args['ID'] );
			foreach ( $changes as $key => $value ) {
				if ( $this->is_metakey_banned( $key, ( 'account' !== $context ) ? 'submission' : '' ) ) {
					continue;
				}

				if ( ! in_array( $key, $this->update_user_keys, true ) ) {
					if ( $value === 0 ) {
						update_user_meta( $this->id, $key, '0' );
					} else {
						update_user_meta( $this->id, $key, $value );
					}
				} else {
					$args[ $key ] = $value;
				}
			}

			$this->updating_process = false;

			// update user
			if ( count( $args ) > 1 ) {
				// If isset roles argument validate role to properly for security reasons
				if ( isset( $args['role'] ) ) {
					global $wp_roles;

					$exclude_roles = array_diff( array_keys( $wp_roles->roles ), UM()->roles()->get_editable_user_roles() );
					if ( in_array( $args['role'], $exclude_roles, true ) ) {
						unset( $args['role'] );
					}
				}

				wp_update_user( $args );
			}
		}

		/**
		 * User exists by meta key and value
		 *
		 * @param $key
		 * @param $value
		 *
		 * @return bool|int
		 */
		function user_has_metadata( $key, $value ) {

			$value = UM()->validation()->safe_name_in_url( $value );

			$ids = get_users(
				array(
					'fields'       => 'ID',
					'meta_key'     => $key,
					'meta_value'   => $value,
					'meta_compare' => '=',
				)
			);
			if ( ! isset( $ids ) || empty( $ids ) ) {
				return false;
			}

			foreach ( $ids as $k => $id ) {

				if ( $id == um_user( 'ID' ) ) {
					unset( $ids[ $k ] );
				} else {
					$duplicates[] = $id;
				}
			}

			if ( ! empty( $duplicates ) ) {
				return count( $duplicates );
			}
			return false;
		}


		/**
		 * User exists by name
		 *
		 * @param $value
		 *
		 * @return bool
		 */
		public function user_exists_by_name( $value ) {

			// Permalink base
			$permalink_base = UM()->options()->get( 'permalink_base' );

			$raw_value = $value;
			$value     = UM()->validation()->safe_name_in_url( $value );
			$value     = um_clean_user_basename( $value );

			// Search by Profile Slug
			$args = array(
				'fields'     => array( 'ID' ),
				'meta_query' => array(
					'relation' => 'OR',
					array(
						'key'     => 'um_user_profile_url_slug_' . $permalink_base,
						'value'   => strtolower( $raw_value ),
						'compare' => '=',
					),
				),
			);

			$ids = new \WP_User_Query( $args );

			if ( $ids->total_users > 0 ) {
				$um_user_query = current( $ids->get_results() );
				return $um_user_query->ID;
			}

			// Search by Display Name or ID
			$args = array(
				'fields'         => array( 'ID' ),
				'search'         => $value,
				'search_columns' => array( 'display_name', 'ID' ),
			);

			$ids = new \WP_User_Query( $args );

			if ( $ids->total_users > 0 ) {
				$um_user_query = current( $ids->get_results() );
				return $um_user_query->ID;
			}

			// Search By User Login
			$value = str_replace( array( '.', ' ' ), array( '_', '' ), $value );

			$args = array(
				'fields'         => array( 'ID' ),
				'search'         => $value,
				'search_columns' => array(
					'user_login',
				),
			);

			$ids = new \WP_User_Query( $args );

			if ( $ids->total_users > 0 ) {
				$um_user_query = current( $ids->get_results() );
				return $um_user_query->ID;
			}

			return false;
		}

		/**
		 * @param string $hash
		 *
		 * @return bool|int
		 */
		public function user_exists_by_hash( $hash ) {
			// Permalink base
			$permalink_base = UM()->options()->get( 'permalink_base' );
			$raw_value      = $hash;

			// Search by Profile Slug
			$args = array(
				'fields'     => array( 'ID' ),
				'meta_query' => array(
					'relation' => 'OR',
					array(
						'key'     => 'um_user_profile_url_slug_' . $permalink_base,
						'value'   => strtolower( $raw_value ),
						'compare' => '=',
					),
				),
			);

			$ids = new \WP_User_Query( $args );

			if ( $ids->total_users > 0 ) {
				$um_user_query = current( $ids->get_results() );
				return $um_user_query->ID;
			}

			return false;
		}

		/**
		 * @param string $slug
		 *
		 * @return bool|int
		 */
		public function user_exists_by_custom_meta( $slug ) {
			$permalink_base = UM()->options()->get( 'permalink_base' );
			$custom_meta    = UM()->options()->get( 'permalink_base_custom_meta' );
			if ( empty( $custom_meta ) ) {
				// Set default permalink base if custom meta is empty.
				$permalink_base = 'user_login';
				$meta_key       = 'um_user_profile_url_slug_' . $permalink_base;
			} else {
				$meta_key = $custom_meta;
			}

			$raw_value = $slug;

			// Search by Profile Slug
			$args = array(
				'fields'     => array( 'ID' ),
				'meta_query' => array(
					'relation' => 'OR',
					array(
						'key'     => $meta_key,
						'value'   => strtolower( $raw_value ),
						'compare' => '=',
					),
					array(
						'key'     => 'um_user_profile_url_slug_' . $permalink_base,
						'value'   => strtolower( $raw_value ),
						'compare' => '=',
					),
				),
			);

			$ids = new \WP_User_Query( $args );

			if ( $ids->total_users > 0 ) {
				$um_user_query = current( $ids->get_results() );
				return $um_user_query->ID;
			}

			return false;
		}

		/**
		 * This method checks if a user exists or not in your site based on the user email as username
		 *
		 * @param string $slug A user slug must be passed to check if the user exists
		 *
		 * @usage <?php UM()->user()->user_exists_by_email_as_username( $slug ); ?>
		 *
		 * @return bool
		 *
		 * @example Basic Usage

		<?php

		$boolean = UM()->user()->user_exists_by_email_as_username( 'calumgmail-com' );
		if ( $boolean ) {
		// That user exists
		}

		?>
		 */
		function user_exists_by_email_as_username( $slug ) {

			$user_id = false;

			$ids = get_users(
				array(
					'fields'   => 'ID',
					'meta_key' => 'um_email_as_username_' . $slug,
				)
			);
			if ( ! empty( $ids[0] ) ) {
				$user_id = $ids[0];
			}

			return $user_id;
		}


		/**
		 * Set gravatar hash id
		 *
		 * @param $user_id
		 * @return string
		 */
		function set_gravatar( $user_id ) {

			um_fetch_user( $user_id );
			$email_address      = um_user( 'user_email' );
			$hash_email_address = '';

			if ( $email_address ) {
				$hash_email_address                         = md5( $email_address );
				$this->profile['synced_gravatar_hashed_id'] = $hash_email_address;
				$this->update_usermeta_info( 'synced_gravatar_hashed_id' );
			}

			return $hash_email_address;
		}

		/**
		 * UM Placeholders for activation link in email
		 *
		 * @param $placeholders
		 *
		 * @return array
		 */
		public function add_activation_placeholder( $placeholders ) {
			$placeholders[] = '{account_activation_link}';
			return $placeholders;
		}

		/**
		 * UM Replace Placeholders for activation link in email
		 *
		 * @param $replace_placeholders
		 *
		 * @return array
		 */
		public function add_activation_replace_placeholder( $replace_placeholders ) {
			$replace_placeholders[] = um_user( 'account_activation_link' );
			return $replace_placeholders;
		}

		/**
		 * Set user's account status
		 *
		 * @deprecated 2.8.7
		 *
		 * @param string $status
		 */
		public function set_status( $status ) {
			_deprecated_function( __METHOD__, '2.8.7', 'UM()->common()->users()->set_status()' );
			UM()->common()->users()->set_status( $status, um_user( 'ID' ) );
		}

		/**
		 * Set user's hash
		 *
		 * @deprecated 2.8.7
		 */
		public function assign_secretkey() {
			_deprecated_function( __METHOD__, '2.8.7', 'UM()->common()->users()->assign_secretkey()' );
			UM()->common()->users()->assign_secretkey( um_user( 'ID' ) );
		}

		/**
		 * Update files
		 *
		 * @param $changes
		 *
		 * @deprecated 2.1.0
		 */
		public function update_files( $changes ) { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found -- deprecated function
			_deprecated_function( __METHOD__, '2.1.0' );
		}

		/**
		 * This method checks if a user exists or not in your site based on the user ID.
		 *
		 * @deprecated 2.8.7
		 *
		 * @param int $user_id A user ID must be passed to check if the user exists
		 *
		 * @return bool|int
		 */
		public function user_exists_by_id( $user_id ) {
			_deprecated_function( __METHOD__, '2.8.7', 'UM()->common()->users()::user_exists' );
			return UM()->common()->users()::user_exists( $user_id ) ? $user_id : false;
		}

		/**
		 * This method approves a user membership and sends them an optional welcome/approval email.
		 * @param bool $repeat @deprecated
		 * @deprecated 2.8.7
		 */
		public function approve( $repeat = true ) {
			_deprecated_function( __METHOD__, '2.8.7', 'UM()->common()->users()->approve()' );
			UM()->common()->users()->approve( um_user( 'ID' ), $repeat );
		}

		/**
		 * Pending email
		 * @deprecated 2.8.7
		 */
		public function email_pending() {
			_deprecated_function( __METHOD__, '2.8.7', 'UM()->common()->users()->send_activation()' );
			UM()->common()->users()->send_activation( um_user( 'ID' ) );
		}

		/**
		 * This method puts a user under manual review by administrator and sends them an optional email.
		 * @deprecated 2.8.7
		 * @return void
		 */
		public function pending() {
			_deprecated_function( __METHOD__, '2.8.7', 'UM()->common()->users()->set_as_pending()' );
			UM()->common()->users()->set_as_pending( um_user( 'ID' ) );
		}

		/**
		 * This method rejects a user membership and sends them an optional email.
		 * @deprecated 2.8.7
		 * @return void
		 */
		public function reject() {
			_deprecated_function( __METHOD__, '2.8.7', 'UM()->common()->users()->reject()' );
			UM()->common()->users()->reject( um_user( 'ID' ) );
		}

		/**
		 * This method deactivates a user membership and sends them an optional email.
		 * @deprecated 2.8.7
		 * @return void
		 */
		public function deactivate() {
			_deprecated_function( __METHOD__, '2.8.7', 'UM()->common()->users()->deactivate()' );
			UM()->common()->users()->deactivate( um_user( 'ID' ) );
		}
	}
}