323 lines
8.6 KiB
PHP
323 lines
8.6 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* WC_Helper_Updater Class
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*
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* Contains the logic to fetch available updates and hook into Core's update
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* routines to serve WooCommerce.com-provided packages.
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*/
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class WC_Helper_Updater {
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/**
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* Loads the class, runs on init.
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*/
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public static function load() {
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add_action( 'pre_set_site_transient_update_plugins', array( __CLASS__, 'transient_update_plugins' ), 21, 1 );
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add_action( 'pre_set_site_transient_update_themes', array( __CLASS__, 'transient_update_themes' ), 21, 1 );
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add_action( 'upgrader_process_complete', array( __CLASS__, 'upgrader_process_complete' ) );
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}
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/**
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* Runs in a cron thread, or in a visitor thread if triggered
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* by _maybe_update_plugins(), or in an auto-update thread.
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*
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* @param object $transient The update_plugins transient object.
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*
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* @return object The same or a modified version of the transient.
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*/
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public static function transient_update_plugins( $transient ) {
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$update_data = self::get_update_data();
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foreach ( WC_Helper::get_local_woo_plugins() as $plugin ) {
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if ( empty( $update_data[ $plugin['_product_id'] ] ) ) {
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continue;
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}
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$data = $update_data[ $plugin['_product_id'] ];
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$filename = $plugin['_filename'];
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$item = array(
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'id' => 'woocommerce-com-' . $plugin['_product_id'],
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'slug' => 'woocommerce-com-' . $data['slug'],
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'plugin' => $filename,
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'new_version' => $data['version'],
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'url' => $data['url'],
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'package' => '',
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'upgrade_notice' => $data['upgrade_notice'],
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);
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if ( self::_has_active_subscription( $plugin['_product_id'] ) ) {
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$item['package'] = $data['package'];
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}
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if ( version_compare( $plugin['Version'], $data['version'], '<' ) ) {
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$transient->response[ $filename ] = (object) $item;
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unset( $transient->no_update[ $filename ] );
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} else {
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$transient->no_update[ $filename ] = (object) $item;
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unset( $transient->response[ $filename ] );
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}
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}
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return $transient;
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}
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/**
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* Runs on pre_set_site_transient_update_themes, provides custom
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* packages for WooCommerce.com-hosted extensions.
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*
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* @param object $transient The update_themes transient object.
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*
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* @return object The same or a modified version of the transient.
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*/
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public static function transient_update_themes( $transient ) {
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$update_data = self::get_update_data();
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foreach ( WC_Helper::get_local_woo_themes() as $theme ) {
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if ( empty( $update_data[ $theme['_product_id'] ] ) ) {
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continue;
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}
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$data = $update_data[ $theme['_product_id'] ];
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$slug = $theme['_stylesheet'];
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$item = array(
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'theme' => $slug,
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'new_version' => $data['version'],
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'url' => $data['url'],
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'package' => '',
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);
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if ( self::_has_active_subscription( $theme['_product_id'] ) ) {
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$item['package'] = $data['package'];
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}
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if ( version_compare( $theme['Version'], $data['version'], '<' ) ) {
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$transient->response[ $slug ] = $item;
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} else {
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unset( $transient->response[ $slug ] );
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$transient->checked[ $slug ] = $data['version'];
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}
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}
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return $transient;
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}
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/**
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* Get update data for all extensions.
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*
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* Scans through all subscriptions for the connected user, as well
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* as all Woo extensions without a subscription, and obtains update
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* data for each product.
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*
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* @return array Update data {product_id => data}
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*/
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public static function get_update_data() {
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$payload = array();
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// Scan subscriptions.
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foreach ( WC_Helper::get_subscriptions() as $subscription ) {
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$payload[ $subscription['product_id'] ] = array(
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'product_id' => $subscription['product_id'],
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'file_id' => '',
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);
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}
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// Scan local plugins which may or may not have a subscription.
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foreach ( WC_Helper::get_local_woo_plugins() as $data ) {
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if ( ! isset( $payload[ $data['_product_id'] ] ) ) {
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$payload[ $data['_product_id'] ] = array(
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'product_id' => $data['_product_id'],
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);
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}
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$payload[ $data['_product_id'] ]['file_id'] = $data['_file_id'];
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}
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// Scan local themes
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foreach ( WC_Helper::get_local_woo_themes() as $data ) {
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if ( ! isset( $payload[ $data['_product_id'] ] ) ) {
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$payload[ $data['_product_id'] ] = array(
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'product_id' => $data['_product_id'],
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);
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}
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$payload[ $data['_product_id'] ]['file_id'] = $data['_file_id'];
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}
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return self::_update_check( $payload );
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}
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/**
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* Run an update check API call.
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*
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* The call is cached based on the payload (product ids, file ids). If
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* the payload changes, the cache is going to miss.
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*
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* @return array Update data for each requested product.
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*/
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private static function _update_check( $payload ) {
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ksort( $payload );
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$hash = md5( wp_json_encode( $payload ) );
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$cache_key = '_woocommerce_helper_updates';
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if ( false !== ( $data = get_transient( $cache_key ) ) ) {
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if ( hash_equals( $hash, $data['hash'] ) ) {
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return $data['products'];
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}
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}
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$data = array(
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'hash' => $hash,
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'updated' => time(),
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'products' => array(),
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'errors' => array(),
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);
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$request = WC_Helper_API::post(
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'update-check', array(
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'body' => wp_json_encode( array( 'products' => $payload ) ),
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'authenticated' => true,
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)
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);
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if ( wp_remote_retrieve_response_code( $request ) !== 200 ) {
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$data['errors'][] = 'http-error';
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} else {
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$data['products'] = json_decode( wp_remote_retrieve_body( $request ), true );
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}
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set_transient( $cache_key, $data, 12 * HOUR_IN_SECONDS );
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return $data['products'];
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}
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/**
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* Check for an active subscription.
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*
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* Checks a given product id against all subscriptions on
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* the current site. Returns true if at least one active
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* subscription is found.
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*
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* @param int $product_id The product id to look for.
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*
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* @return bool True if active subscription found.
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*/
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private static function _has_active_subscription( $product_id ) {
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if ( ! isset( $auth ) ) {
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$auth = WC_Helper_Options::get( 'auth' );
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}
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if ( ! isset( $subscriptions ) ) {
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$subscriptions = WC_Helper::get_subscriptions();
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}
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if ( empty( $auth['site_id'] ) || empty( $subscriptions ) ) {
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return false;
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}
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// Check for an active subscription.
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foreach ( $subscriptions as $subscription ) {
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if ( $subscription['product_id'] != $product_id ) {
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continue;
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}
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if ( in_array( absint( $auth['site_id'] ), $subscription['connections'] ) ) {
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return true;
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}
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}
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return false;
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}
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/**
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* Get the number of products that have updates.
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*
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* @return int The number of products with updates.
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*/
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public static function get_updates_count() {
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$cache_key = '_woocommerce_helper_updates_count';
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if ( false !== ( $count = get_transient( $cache_key ) ) ) {
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return $count;
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}
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// Don't fetch any new data since this function in high-frequency.
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if ( ! get_transient( '_woocommerce_helper_subscriptions' ) ) {
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return 0;
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}
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if ( ! get_transient( '_woocommerce_helper_updates' ) ) {
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return 0;
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}
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$count = 0;
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$update_data = self::get_update_data();
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if ( empty( $update_data ) ) {
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set_transient( $cache_key, $count, 12 * HOUR_IN_SECONDS );
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return $count;
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}
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// Scan local plugins.
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foreach ( WC_Helper::get_local_woo_plugins() as $plugin ) {
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if ( empty( $update_data[ $plugin['_product_id'] ] ) ) {
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continue;
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}
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if ( version_compare( $plugin['Version'], $update_data[ $plugin['_product_id'] ]['version'], '<' ) ) {
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$count++;
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}
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}
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// Scan local themes.
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foreach ( WC_Helper::get_local_woo_themes() as $theme ) {
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if ( empty( $update_data[ $theme['_product_id'] ] ) ) {
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continue;
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}
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if ( version_compare( $theme['Version'], $update_data[ $theme['_product_id'] ]['version'], '<' ) ) {
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$count++;
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}
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}
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set_transient( $cache_key, $count, 12 * HOUR_IN_SECONDS );
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return $count;
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}
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/**
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* Return the updates count markup.
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*
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* @return string Updates count markup, empty string if no updates avairable.
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*/
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public static function get_updates_count_html() {
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$count = self::get_updates_count();
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if ( ! $count ) {
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return '';
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}
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$count_html = sprintf( '<span class="update-plugins count-%d"><span class="update-count">%d</span></span>', $count, number_format_i18n( $count ) );
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return $count_html;
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}
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/**
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* Flushes cached update data.
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*/
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public static function flush_updates_cache() {
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delete_transient( '_woocommerce_helper_updates' );
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delete_transient( '_woocommerce_helper_updates_count' );
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delete_site_transient( 'update_plugins' );
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delete_site_transient( 'update_themes' );
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}
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/**
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* Fires when a user successfully updated a theme or a plugin.
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*/
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public static function upgrader_process_complete() {
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delete_transient( '_woocommerce_helper_updates_count' );
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}
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}
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WC_Helper_Updater::load();
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