*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class Advanced_Ads_Plugins_Screen_Updates
*/
class Advanced_Ads_Plugins_Screen_Updates {
/**
* The upgrade notice shown inline.
*
* @var string
*/
protected $upgrade_notice = '';
/**
* The current version of the plugin.
*
* @var string
*/
protected $current_version = '';
/**
* Constructor.
*/
public function __construct() {
$this->current_version = defined( 'ADVADS_VERSION' ) ? ADVADS_VERSION : '0.0.0';
add_action( "in_plugin_update_message-advanced-ads/advanced-ads.php", array( $this, 'in_plugin_update_message' ), 20, 2 );
}
/**
* Show plugin changes on the plugins screen.
*
* @param array $args Unused parameter.
* @param stdClass $response Plugin update response.
*/
public function in_plugin_update_message( $args, $response ) {
$new_version = $response->new_version;
if ( version_compare( $this->current_version, $new_version, '>=' ) ) {
return;
}
$this->upgrade_notice = $this->get_upgrade_notice( $new_version );
if ( empty( $this->upgrade_notice ) ) {
return;
}
echo '';
?>
';
}
/**
* Get the upgrade notice from WordPress.org.
*
* @param string $version The version to check.
* @return string
*/
protected function get_upgrade_notice( $version ) {
$transient_name = 'advads_upgrade_notice_' . $version;
$upgrade_notice = get_transient( $transient_name );
if ( false === $upgrade_notice ) {
$response = wp_safe_remote_get( 'https://plugins.svn.wordpress.org/advanced-ads/trunk/readme.txt' );
if ( ! is_wp_error( $response ) && ! empty( $response['body'] ) ) {
$upgrade_notice = $this->parse_update_notice( $response['body'], $version );
set_transient( $transient_name, $upgrade_notice, DAY_IN_SECONDS );
}
}
return $upgrade_notice;
}
/**
* Parse update notice from readme file.
*
* @param string $content Readme file content.
* @param string $new_version New version.
* @return string
*/
private function parse_update_notice( $content, $new_version ) {
$version_parts = explode( '.', $new_version );
$check_for_notices = array(
$version_parts[0] . '.0', // Major.
$version_parts[0] . '.0.0', // Major.
$version_parts[0] . '.' . $version_parts[1], // Minor.
$version_parts[0] . '.' . $version_parts[1] . '.' . $version_parts[2], // Patch.
);
$notice_regexp = '~==\s*Upgrade Notice\s*==\s*=\s*(.*)\s*=(.*)(?===|$)~Uis';
$upgrade_notice = '';
foreach ( $check_for_notices as $check_version ) {
if ( version_compare( $this->current_version, $check_version, '>=' ) ) {
continue;
}
$matches = null;
if ( preg_match( $notice_regexp, $content, $matches ) ) {
if ( version_compare( trim( $matches[1] ), $check_version, '=' ) ) {
$notices = (array) preg_split( '~[\r\n]+~', trim( $matches[2] ) );
foreach ( $notices as $line ) {
$upgrade_notice .= preg_replace( '~\[([^\]]*)\]\(([^\)]*)\)~', '${1}', $line ) . ' ';
}
break;
}
}
}
return trim( $upgrade_notice );
}
}