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WooCommerce Language Pack Upgrader class (proposal)
<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* WooCommerce Language Pack Upgrader class
*
* Downloads the last language pack.
*
* @class WC_Language_Pack_Upgrader
* @version 2.2.0
* @package WooCommerce/Classes/Language
* @category Class
* @author WooThemes
*/
class WC_Language_Pack_Upgrader {
/**
* Languages repository
*
* @var string
*/
protected $repo = 'http://localhost/wc_languages';
/**
* Initialize the language pack upgrader
*/
public function __construct() {
add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'check_for_update' ) );
add_filter( 'upgrader_post_install', array( $this, 'version_update' ), 999, 2 );
}
/**
* Get WordPress language
*
* @return string
*/
public function get_language() {
if ( defined( 'WPLANG' ) && '' != WPLANG ) {
return WPLANG;
}
return 'en';
}
/**
* Get language package URI.
*
* @return string
*/
public function get_language_package_uri() {
return $this->repo . '/' . WC_VERSION . '/' . $this->get_language() . '.zip';
}
/**
* Check for language updates
*
* @param object $data Transient update data
*
* @return object
*/
public function check_for_update( $data ) {
if ( $this->has_available_update() ) {
$data->translations[] = array(
'type' => 'plugin',
'slug' => 'woocommerce',
'language' => $this->get_language(),
'version' => WC_VERSION,
'updated' => date( 'Y-m-d H:i:s' ),
'package' => $this->get_language_package_uri(),
'autoupdate' => 1
);
}
return $data;
}
/**
* Check if has available translation update
*
* @return bool
*/
public function has_available_update() {
$version = get_option( 'woocommerce_language_pack_version', '0' );
if ( version_compare( $version, WC_VERSION, '<' ) && 'en' !== $this->get_language() ) {
if ( $this->check_if_language_pack_exists() ) {
return true;
} else {
// Updated the woocommerce_language_pack_version to avoid searching translations for this release again
update_option( 'woocommerce_language_pack_version', WC_VERSION );
}
}
return false;
}
/**
* Check if language pack exists
*
* @return bool
*/
public function check_if_language_pack_exists() {
$response = wp_remote_get( $this->get_language_package_uri(), array( 'sslverify' => false, 'timeout' => 60 ) );
if ( ! is_wp_error( $response ) && $response['response']['code'] >= 200 && $response['response']['code'] < 300 ) {
return true;
} else {
return false;
}
}
/**
* Update the language version in database
*
* @param bool $response Install response (true = success, false = fail)
* @param array $hook_extra Extra arguments passed to hooked filters
*
* @return bool
*/
public function version_update( $response, $hook_extra ) {
if ( $response ) {
if (
( isset( $hook_extra['language_update_type'] ) && 'plugin' == $hook_extra['language_update_type'] )
&& ( isset( $hook_extra['language_update']->slug ) && 'woocommerce' == $hook_extra['language_update']->slug )
) {
update_option( 'woocommerce_language_pack_version', WC_VERSION );
}
}
return $response;
}
}
new WC_Language_Pack_Upgrader();
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