<?php

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namespace Elementor\Modules\Notifications;

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use Elementor\User;

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class API {

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const NOTIFICATIONS_URL = 'https://assets.elementor.com/notifications/v1/notifications.json';

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public static function get_notifications_by_conditions( $force_request = false ) {

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$notifications = static::get_notifications( $force_request );

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$filtered_notifications = [];

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foreach ( $notifications as $notification ) {

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if ( empty( $notification['conditions'] ) ) {

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$filtered_notifications = static::add_to_array( $filtered_notifications, $notification );

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continue;

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}

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if ( ! static::check_conditions( $notification['conditions'] ) ) {

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continue;

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}

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$filtered_notifications = static::add_to_array( $filtered_notifications, $notification );

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}

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return $filtered_notifications;

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}

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private static function get_notifications( $force_request = false ) {

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$notifications = self::get_transient( '_elementor_notifications_data' );

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if ( $force_request || false === $notifications ) {

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$notifications = static::fetch_data();

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static::set_transient( '_elementor_notifications_data', $notifications, '+1 hour' );

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}

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$notifications = apply_filters( 'elementor/core/admin/notifications', $notifications );

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return $notifications;

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}

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private static function fetch_data(): array {

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$response = wp_remote_get( self::NOTIFICATIONS_URL );

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if ( is_wp_error( $response ) ) {

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return [];

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}

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$data = json_decode( wp_remote_retrieve_body( $response ), true );

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if ( empty( $data['notifications'] ) || ! is_array( $data['notifications'] ) ) {

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return [];

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}

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return $data['notifications'];

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}

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private static function add_to_array( $filtered_notifications, $notification ) {

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foreach ( $filtered_notifications as $filtered_notification ) {

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if ( $filtered_notification['id'] === $notification['id'] ) {

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return $filtered_notifications;

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}

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}

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$filtered_notifications[] = $notification;

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return $filtered_notifications;

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}

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private static function check_conditions( $groups ) {

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foreach ( $groups as $group ) {

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if ( static::check_group( $group ) ) {

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return true;

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}

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}

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return false;

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}

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private static function check_group( $group ) {

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$is_or_relation = ! empty( $group['relation'] ) && 'OR' === $group['relation'];

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unset( $group['relation'] );

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$result = false;

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foreach ( $group as $condition ) {

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// Reset results for each condition.

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$result = false;

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switch ( $condition['type'] ) {

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case 'wordpress': // phpcs:ignore WordPress.WP.CapitalPDangit.Misspelled

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// include an unmodified $wp_version

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include ABSPATH . WPINC . '/version.php';

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$result = version_compare( $wp_version, $condition['version'], $condition['operator'] );

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break;

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case 'multisite':

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$result = is_multisite() === $condition['multisite'];

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break;

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case 'language':

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$in_array = in_array( get_locale(), $condition['languages'], true );

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$result = 'in' === $condition['operator'] ? $in_array : ! $in_array;

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break;

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case 'plugin':

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if ( ! function_exists( 'is_plugin_active' ) ) {

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require_once ABSPATH . 'wp-admin/includes/plugin.php';

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}

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$is_plugin_active = is_plugin_active( $condition['plugin'] );

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if ( empty( $condition['operator'] ) ) {

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$condition['operator'] = '==';

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}

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$result = '==' === $condition['operator'] ? $is_plugin_active : ! $is_plugin_active;

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break;

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case 'theme':

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$theme = wp_get_theme();

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if ( wp_get_theme()->parent() ) {

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$theme = wp_get_theme()->parent();

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}

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if ( $theme->get_template() === $condition['theme'] ) {

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$version = $theme->version;

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} else {

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$version = '';

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}

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$result = version_compare( $version, $condition['version'], $condition['operator'] );

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break;

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case 'introduction_meta':

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$result = User::get_introduction_meta( $condition['meta'] );

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break;

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default:

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/**

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* Filters the notification condition, whether to check the group or not.

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*

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* The dynamic portion of the hook name, `$condition['type']`, refers to the condition type.

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*

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* @since 3.19.0

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*

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* @param bool $result Whether to check the group.

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* @param array $condition Notification condition.

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*/

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$result = apply_filters( "elementor/notifications/condition/{$condition['type']}", $result, $condition );

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break;

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}

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if ( ( $is_or_relation && $result ) || ( ! $is_or_relation && ! $result ) ) {

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return $result;

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}

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}

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return $result;

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}

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private static function get_transient( $cache_key ) {

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$cache = get_option( $cache_key );

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if ( empty( $cache['timeout'] ) ) {

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return false;

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}

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if ( current_time( 'timestamp' ) > $cache['timeout'] ) {

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return false;

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}

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return json_decode( $cache['value'], true );

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}

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private static function set_transient( $cache_key, $value, $expiration = '+12 hours' ) {

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$data = [

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'timeout' => strtotime( $expiration, current_time( 'timestamp' ) ),

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'value' => json_encode( $value ),

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];

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return update_option( $cache_key, $data, false );

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}

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}

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