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<?php
/**
* Upgrader API: Bulk_Upgrader_Skin class
*
* @package WordPress
* @subpackage Upgrader
* @since 4.6.0
*/
/**
* Generic Bulk Upgrader Skin for WordPress Upgrades.
*
* @since 3.0.0
* @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
*
* @see WP_Upgrader_Skin
*/
class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
/**
* Whether the bulk update process has started.
*
* @since 3.0.0
* @var bool
*/
public $in_loop = false;
/**
* Stores an error message about the update.
*
* @since 3.0.0
* @var string|false
*/
public $error = false;
/**
* Constructor.
*
* Sets up the generic skin for the Bulk Upgrader classes.
*
* @since 3.0.0
*
* @param array $args
*/
public function __construct( $args = array() ) {
$defaults = array(
'url' => '',
'nonce' => '',
);
$args = wp_parse_args( $args, $defaults );
parent::__construct( $args );
}
/**
* Sets up the strings used in the update process.
*
* @since 3.0.0
*/
public function add_strings() {
$this->upgrader->strings['skin_upgrade_start'] = __( 'The update process is starting. This process may take a while on some hosts, so please be patient.' );
/* translators: 1: Title of an update, 2: Error message. */
$this->upgrader->strings['skin_update_failed_error'] = __( 'An error occurred while updating %1$s: %2$s' );
/* translators: %s: Title of an update. */
$this->upgrader->strings['skin_update_failed'] = __( 'The update of %s failed.' );
/* translators: %s: Title of an update. */
$this->upgrader->strings['skin_update_successful'] = __( '%s updated successfully.' );
$this->upgrader->strings['skin_upgrade_end'] = __( 'All updates have been completed.' );
}
/**
* Displays a message about the update.
*
* @since 3.0.0
* @since 5.9.0 Renamed `$string` (a PHP reserved keyword) to `$feedback` for PHP 8 named parameter support.
*
* @param string $feedback Message data.
* @param mixed ...$args Optional text replacements.
*/
public function feedback( $feedback, ...$args ) {
if ( isset( $this->upgrader->strings[ $feedback ] ) ) {
$feedback = $this->upgrader->strings[ $feedback ];
}
if ( str_contains( $feedback, '%' ) ) {
if ( $args ) {
$args = array_map( 'strip_tags', $args );
$args = array_map( 'esc_html', $args );
$feedback = vsprintf( $feedback, $args );
}
}
if ( empty( $feedback ) ) {
return;
}
if ( $this->in_loop ) {
echo "$feedback<br />\n";
} else {
echo "<p>$feedback</p>\n";
}
}
/**
* Displays the header before the update process.
*
* @since 3.0.0
*/
public function header() {
// Nothing. This will be displayed within an iframe.
}
/**
* Displays the footer following the update process.
*
* @since 3.0.0
*/
public function footer() {
// Nothing. This will be displayed within an iframe.
}
/**
* Displays an error message about the update.
*
* @since 3.0.0
* @since 5.9.0 Renamed `$error` to `$errors` for PHP 8 named parameter support.
*
* @param string|WP_Error $errors Errors.
*/
public function error( $errors ) {
if ( is_string( $errors ) && isset( $this->upgrader->strings[ $errors ] ) ) {
$this->error = $this->upgrader->strings[ $errors ];
}
if ( is_wp_error( $errors ) ) {
$messages = array();
foreach ( $errors->get_error_messages() as $emessage ) {
if ( $errors->get_error_data() && is_string( $errors->get_error_data() ) ) {
$messages[] = $emessage . ' ' . esc_html( strip_tags( $errors->get_error_data() ) );
} else {
$messages[] = $emessage;
}
}
$this->error = implode( ', ', $messages );
}
echo '<script>jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').hide();</script>';
}
/**
* Displays the header before the bulk update process.
*
* @since 3.0.0
*/
public function bulk_header() {
$this->feedback( 'skin_upgrade_start' );
}
/**
* Displays the footer following the bulk update process.
*
* @since 3.0.0
*/
public function bulk_footer() {
$this->feedback( 'skin_upgrade_end' );
}
/**
* Performs an action before a bulk update.
*
* @since 3.0.0
*
* @param string $title
*/
public function before( $title = '' ) {
$this->in_loop = true;
printf( '<h2>' . $this->upgrader->strings['skin_before_update_header'] . ' <span class="spinner waiting-' . $this->upgrader->update_current . '"></span></h2>', $title, $this->upgrader->update_current, $this->upgrader->update_count );
echo '<script>jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').css("display", "inline-block");</script>';
// This progress messages div gets moved via JavaScript when clicking on "More details.".
echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr( $this->upgrader->update_current ) . '"><p>';
$this->flush_output();
}
/**
* Performs an action following a bulk update.
*
* @since 3.0.0
*
* @param string $title
*/
public function after( $title = '' ) {
echo '</p></div>';
if ( $this->error || ! $this->result ) {
if ( $this->error ) {
$after_error_message = sprintf( $this->upgrader->strings['skin_update_failed_error'], $title, '<strong>' . $this->error . '</strong>' );
} else {
$after_error_message = sprintf( $this->upgrader->strings['skin_update_failed'], $title );
}
wp_admin_notice(
$after_error_message,
array(
'additional_classes' => array( 'error' ),
)
);
echo '<script>jQuery(\'#progress-' . esc_js( $this->upgrader->update_current ) . '\').show();</script>';
}
if ( $this->result && ! is_wp_error( $this->result ) ) {
if ( ! $this->error ) {
echo '<div class="updated js-update-details" data-update-details="progress-' . esc_attr( $this->upgrader->update_current ) . '">' .
'<p>' . sprintf( $this->upgrader->strings['skin_update_successful'], $title ) .
' <button type="button" class="hide-if-no-js button-link js-update-details-toggle" aria-expanded="false">' . __( 'More details.' ) . '<span class="dashicons dashicons-arrow-down" aria-hidden="true"></span></button>' .
'</p></div>';
}
echo '<script>jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').hide();</script>';
}
$this->reset();
$this->flush_output();
}
/**
* Resets the properties used in the update process.
*
* @since 3.0.0
*/
public function reset() {
$this->in_loop = false;
$this->error = false;
}
/**
* Flushes all output buffers.
*
* @since 3.0.0
*/
public function flush_output() {
wp_ob_end_flush_all();
flush();
}
}