class-itthinx-updates-update.php
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<?php
class Itthinx_Updates_Update {
const UPDATE_SERVICE_URL = 'http://service.itthinx.com/update-service.php'; // 'http://service.itthinx.com/updates.php';
private static $version = null;
private static $file = null;
private static $plugin = null;
/**
* Update hooks.
*/
public static function init() {
self::$file = ITTHINX_UPDATES_FILE;
self::$version = ITTHINX_UPDATES_VERSION;
self::$plugin = 'itthinx-updates';
add_filter( 'pre_set_site_transient_update_plugins', array( __CLASS__, 'pre_set_site_transient_update_plugins' ) );
add_filter( 'plugins_api', array( __CLASS__, 'plugins_api'), 10, 3 );
}
/**
* Adds the plugin info to the update_plugins transient if a new version is available.
* @param array $value update_plugins transient
* @return (possibly modified) update_plugins transient
*/
public static function pre_set_site_transient_update_plugins( $value ) {
$info = self::get_info();
if ( $info ) {
if ( isset( $info->new_version ) && ( version_compare( self::$version , $info->new_version ) < 0 ) ) {
$value->response[plugin_basename( self::$file )] = $info;
}
}
return $value;
}
/**
* Returns plugin info when requested for this plugin, $result otherwise.
* @param object|boolean $result
* @param string $action
* @param array $args
* @return object|boolean plugin info for this plugin if requested, $result otherwise
*/
public static function plugins_api( $result, $action, $args ) {
if ( $action == 'plugin_information' ) {
if ( $args->slug === dirname( plugin_basename( self::$file ) ) ) {
$result = false;
$info = self::get_info();
if ( $info ) {
$result = $info;
}
}
}
return $result;
}
/**
* Retrieves plugin information from update server.
* @return object plugin information when successfully retrieved, null otherwise
*/
public static function get_info() {
$result = null;
$request = wp_remote_post(
self::UPDATE_SERVICE_URL,
array(
'body' => array(
'action' => 'info',
'plugin' => self::$plugin
)
)
);
if ( !is_wp_error( $request ) || wp_remote_retrieve_response_code( $request ) === 200) {
$result = unserialize( $request['body'] );
}
return $result;
}
}
Itthinx_Updates_Update::init();