Your IP : 216.73.216.215
<?php
class DiviBars_Admin {
private static $_show_errors = FALSE;
private static $initiated = FALSE;
private static $helper_admin = NULL;
public static $helper = NULL;
/**
* Holds the values to be used in the fields callbacks
*/
public static $options;
/**
* @var \WP_Filesystem_Base|null
*/
public static $wpfs;
/**
* @var ET_Core_Data_Utils
*/
public static $data_utils;
/**
* Divi Mega Pro post type.
*
* @var string
*/
protected static $post_type = 'divi_bars';
public static function init() {
if ( ! self::$initiated ) {
global $wp_filesystem;
self::$wpfs = $wp_filesystem;
if ( !class_exists( 'ET_Core_Data_Utils' ) ) {
return;
}
self::$data_utils = new ET_Core_Data_Utils();
self::load_resources();
self::init_hooks();
}
}
private static function init_hooks() {
self::$initiated = true;
self::$helper = new DiviBars_Helper();
self::$helper_admin = new DiviBars_Admin_Helper();
// Admin styles/scripts
add_action( 'admin_init', array( 'DiviBars_Admin', 'register_assets' ) );
add_action( 'admin_enqueue_scripts', array( 'DiviBars_Admin', 'include_assets'), '999');
// Add custom column in post type
add_filter( 'manage_edit-divi_bars_columns', array( 'DiviBars_Admin', 'setup_divibars_columns') ) ;
add_action( 'manage_divi_bars_posts_custom_column', array( 'DiviBars_Admin', 'manage_divibars_columns' ), 10, 2 );
// Add meta boxes
add_action( 'add_meta_boxes', array( 'DiviBars_Admin_Controller', 'add_meta_boxes') );
// Hide meta boxes
add_filter( 'is_protected_meta', array( 'DiviBars_Admin_Controller', 'removefields_from_customfieldsmetabox' ), 10, 2);
// Add Divi Theme Builder
add_filter( 'et_builder_post_type_blacklist', array( 'DiviBars_Admin', 'filter_post_type_blacklist') );
add_filter( 'et_builder_third_party_post_types', array( 'DiviBars_Admin', 'filter_third_party_post_types') );
add_filter( 'et_builder_post_types', array( 'DiviBars_Admin', 'filter_builder_post_types') );
add_filter( 'et_fb_post_types', array( 'DiviBars_Admin', 'filter_builder_post_types') );
add_filter( 'et_builder_fb_enabled_for_post', array( 'DiviBars_Admin', 'filter_fb_enabled_for_post'), 10, 2 );
// Add Search Filter Post Title
add_filter( 'posts_where', array( 'DiviBars_Admin', 'post_title_like_where' ), 10, 2 );
// Save post fields
add_action( 'save_post_' . self::$post_type, array( 'DiviBars_Admin_Controller', 'save_post' ), 10, 2 );
add_action( 'admin_menu', array( 'DiviBars_Admin_Controller', 'add_admin_submenu' ), 5 );
add_action( 'wp_ajax_nopriv_ajax_dib_listposts', array( 'DiviBars_Admin_Controller', 'get_wp_posts' ) );
add_action( 'wp_ajax_ajax_dib_listposts', array( 'DiviBars_Admin_Controller', 'get_wp_posts' ) );
add_action( 'wp_ajax_nopriv_ajax_dib_listcategories', array( 'DiviBars_Admin_Controller', 'get_wp_categories' ) );
add_action( 'wp_ajax_ajax_dib_listcategories', array( 'DiviBars_Admin_Controller', 'get_wp_categories' ) );
add_action( 'wp_ajax_nopriv_ajax_dib_listtags', array( 'DiviBars_Admin_Controller', 'get_wp_tags' ) );
add_action( 'wp_ajax_ajax_dib_listtags', array( 'DiviBars_Admin_Controller', 'get_wp_tags' ) );
// Register settings
add_action( 'admin_init', array( 'DiviBars_Admin', 'register_divibars_settings' ) );
add_action( 'switch_theme', array( 'DiviBars_Admin', 'super_clear_cache') );
add_action( 'activated_plugin', array( 'DiviBars_Admin', 'super_clear_cache'), 10, 0 );
add_action( 'deactivated_plugin', array( 'DiviBars_Admin', 'super_clear_cache'), 10, 0 );
add_action( 'et_core_page_resource_auto_clear', array( 'DiviBars_Admin', 'super_clear_cache') );
add_action( 'wp_ajax_et_core_page_resource_clear', array( 'DiviBars_Admin', 'super_clear_cache') );
add_action( 'et_epanel_changing_options', array( 'DiviBars_Admin', 'super_clear_cache') );
}
public static function super_clear_cache() {
self::do_remove_static_resources();
if ( function_exists( 'et_theme_builder_clear_wp_cache' ) ) {
et_theme_builder_clear_wp_cache( 'all' );
}
if ( class_exists( 'ET_Core_Cache_File' ) ) {
// Always reset the cached templates on last request after data stored into database.
ET_Core_Cache_File::set( 'et_theme_builder_templates', array() );
}
if ( class_exists( 'ET_Core_Cache_File' ) ) {
// Remove static resources on save. It's necessary because how we are generating the dynamic assets for the TB.
ET_Core_PageResource::remove_static_resources( 'all', 'all', false, 'dynamic' );
}
}
/**
* Remove static resources action.
*
* @param string $post_id id of post.
* @param string $owner owner of file.
* @param bool $force remove all resources.
* @param string $slug file slug.
*/
public static function do_remove_static_resources() {
$_post_id = '*';
$_owner = '*';
$_slug = '*';
$cache_dir = self::$data_utils->normalize_path( ET_Core_PageResource::get_cache_directory() );
$files = array_merge(
// Remove any CSS files missing a parent folder.
(array) glob( "{$cache_dir}/et-{$_owner}-*" ),
// Remove CSS files for individual posts or all posts if $post_id set to 'all'.
(array) glob( "{$cache_dir}/{$_post_id}/et-{$_owner}-{$_slug}*" ),
// Remove CSS files that contain theme builder template CSS.
// Multiple directories need to be searched through since * doesn't match / in the glob pattern.
(array) glob( "{$cache_dir}/*/et-{$_owner}-{$_slug}-*tb-{$_post_id}*" ),
(array) glob( "{$cache_dir}/*/*/et-{$_owner}-{$_slug}-*tb-{$_post_id}*" ),
(array) glob( "{$cache_dir}/*/*/*/et-{$_owner}-{$_slug}-*tb-{$_post_id}*" ),
(array) glob( "{$cache_dir}/*/et-{$_owner}-{$_slug}-*tb-for-{$_post_id}*" ),
(array) glob( "{$cache_dir}/*/*/et-{$_owner}-{$_slug}-*tb-for-{$_post_id}*" ),
(array) glob( "{$cache_dir}/*/*/*/et-{$_owner}-{$_slug}-*tb-for-{$_post_id}*" ),
// Remove Dynamic CSS files for categories, tags, authors, archives, homepage post feed and search results.
(array) glob( "{$cache_dir}/taxonomy/*/*/et-{$_owner}-dynamic*" ),
(array) glob( "{$cache_dir}/author/*/et-{$_owner}-dynamic*" ),
(array) glob( "{$cache_dir}/archive/et-{$_owner}-dynamic*" ),
(array) glob( "{$cache_dir}/search/et-{$_owner}-dynamic*" ),
(array) glob( "{$cache_dir}/notfound/et-{$_owner}-dynamic*" ),
(array) glob( "{$cache_dir}/home/et-{$_owner}-dynamic*" )
);
self::_remove_files_in_directory( $files, $cache_dir );
// Remove empty directories.
self::$data_utils->remove_empty_directories( $cache_dir );
// Clear cache managed by 3rd-party cache plugins.
$post_id = ! empty( $post_id ) && absint( $post_id ) > 0 ? $post_id : '';
et_core_clear_wp_cache();
// Purge the module features cache.
if ( class_exists( 'ET_Builder_Module_Features' ) ) {
if ( ! empty( $post_id ) ) {
ET_Builder_Module_Features::purge_cache( $post_id );
} else {
ET_Builder_Module_Features::purge_cache();
}
}
// Purge the google fonts cache.
if ( empty( $post_id ) && class_exists( 'ET_Builder_Google_Fonts_Feature' ) ) {
ET_Builder_Google_Fonts_Feature::purge_cache();
}
// Purge the dynamic assets cache.
if ( empty( $post_id ) && class_exists( 'ET_Builder_Dynamic_Assets_Feature' ) ) {
ET_Builder_Dynamic_Assets_Feature::purge_cache();
}
$post_meta_caches = array(
'et_enqueued_post_fonts',
'_et_dynamic_cached_shortcodes',
'_et_dynamic_cached_attributes',
'_et_builder_module_features_cache',
);
// Clear post meta caches.
foreach ( $post_meta_caches as $post_meta_cache ) {
if ( ! empty( $post_id ) ) {
delete_post_meta( $post_id, $post_meta_cache );
} else {
delete_post_meta_by_key( $post_meta_cache );
}
}
// Set our DONOTCACHEPAGE file for the next request.
self::$data_utils->ensure_directory_exists( $cache_dir );
self::$wpfs->put_contents( $cache_dir . '/DONOTCACHEPAGE', '' );
}
/**
* Removes a list of files from the designated directory.
*
* @param array[] $files List of patterns to match.
* @param string $cache_dir Cache directory.
*/
protected static function _remove_files_in_directory( $files, $cache_dir ) {
foreach ( $files as $file ) {
$file = self::$data_utils->normalize_path( $file );
if ( ! et_()->starts_with( $file, $cache_dir ) ) {
// File is not located inside cache directory so skip it.
continue;
}
if ( is_file( $file ) ) {
self::$wpfs->delete( $file );
}
}
}
/**
* Enqueue Divi 5 Visual Builder Assets
*/
public static function d5_enqueue_assets() {
$post_type = get_post_type( get_the_ID() );
if ( et_core_is_fb_enabled()
&& et_builder_d5_enabled()
&& $post_type === self::$post_type ) {
\ET\Builder\VisualBuilder\Assets\PackageBuildManager::register_package_build(
[
'name' => 'd5-divilife',
'version' => '1.0.0',
'script' => [
'src' => DIVI_BARS_PLUGIN_DIVI5_URL . 'build/add-bar-builder-buttons.js',
'deps' => [
'divi-module-library',
'divi-vendor-wp-hooks',
],
'enqueue_top_window' => false,
'enqueue_app_window' => true,
'args' => [
'in_footer' => true,
],
],
]
);
\ET\Builder\VisualBuilder\Assets\PackageBuildManager::register_package_build(
[
'name' => 'd5-divilife-bundle',
'version' => '1.0.0',
'script' => [
'src' => DIVI_BARS_PLUGIN_DIVI5_URL . 'build/bundle.js',
'deps' => [
'divi-module-library',
'divi-vendor-wp-hooks',
],
'enqueue_top_window' => false,
'enqueue_app_window' => true,
],
]
);
\ET\Builder\VisualBuilder\Assets\PackageBuildManager::register_package_build(
[
'name' => 'd5-divilife-style-bundle',
'version' => '1.0.0',
'style' => [
'src' => DIVI_BARS_PLUGIN_DIVI5_URL . 'build/style.css',
'deps' => [],
'enqueue_top_window' => true,
'enqueue_app_window' => false,
],
]
);
}
}
protected static function load_resources() {
require_once( DIVI_BARS_PLUGIN_DIR . '/includes/class.divi-bars.admin.controller.php' );
require_once( DIVI_BARS_PLUGIN_DIR . '/includes/class.divi-bars.admin.helper.php' );
require_once( DIVI_BARS_PLUGIN_DIR . '/includes/class.divi-bars.admin.model.php' );
require_once( DIVI_BARS_PLUGIN_DIR . '/includes/class.divi-bars.admin.ajax.php' );
require_once( DIVI_BARS_PLUGIN_DIR . '/includes/class.divi-bars.helper.php' );
}
public static function register_assets() {
wp_register_style( 'divi-bars-wp-color-picker', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/cs-wp-color-picker.min.css', array( 'wp-color-picker' ), '1.0.0', 'all' );
wp_register_script( 'divi-bars-wp-color-picker', DIVI_BARS_PLUGIN_URL . 'assets/js/admin/cs-wp-color-picker.min.js', array( 'wp-color-picker' ), '1.0.0', true );
wp_register_style( 'divi-bars-select2', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/select2.4.0.9.min.css', array(), '4.0.9', 'all' );
wp_register_script( 'divi-bars-select2', DIVI_BARS_PLUGIN_URL . 'assets/js/admin/select2.4.0.9.min.js', array('jquery'), '4.0.9', true );
wp_register_style( 'divi-bars-select2-bootstrap', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/select2-bootstrap.min.css', array('divi-bars-admin-bootstrap'), '1.0.0', 'all' );
/* Scheduling requirements */
wp_register_script( 'divi-bars-datetime-moment', '//cdn.jsdelivr.net/momentjs/latest/moment.min.js', array('jquery'), '1.0.0', true );
wp_register_script( 'divi-bars-datetime-moment-timezone', '//cdn.jsdelivr.net/npm/moment-timezone@0.5.13/builds/moment-timezone-with-data.min.js', array('jquery'), '1.0.0', true );
wp_register_style( 'divi-bars-admin-bootstrap', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/bootstrap.css', array(), '1.0.0', 'all' );
wp_register_script( 'divi-bars-datetime-bootstrap', '//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js', array('jquery'), '1.0.0', true );
wp_register_script( 'divi-bars-datetime-bootstrap-select', '//cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.1/js/bootstrap-select.min.js', array('jquery'), '1.0.0', true );
wp_register_style( 'divi-bars-admin-bootstrap-select', '//cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.1/css/bootstrap-select.min.css', array(), '1.0.0', 'all' );
/* Include Date Range Picker */
wp_register_style( 'divi-bars-datetime-corecss', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/bootstrap-datetimepicker.min.css', array( 'divi-bars-admin-bootstrap' ), '1.0.0', 'all' );
wp_register_script( 'divi-bars-datetime-corejs', DIVI_BARS_PLUGIN_URL . 'assets/js/admin/bootstrap-datetimepicker.min.js', array( 'jquery', 'divi-bars-datetime-bootstrap' ), '1.0.0', true );
// Force jQuery UI because Divi won't include it when Builder is not enabled/active
wp_register_style( 'jquery_ui_css', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/jquery-ui-1.12.1.custom.css', array(), '1.12.1', 'all' );
wp_register_style( 'divi-bars-divipanel', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/panel.min.css', array(), '1.0.0', 'all' );
wp_register_style( 'divi-bars-admin', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/admin.css', array(), '1.0.0', 'all' );
wp_register_script( 'divi-bars-admin-functions', DIVI_BARS_PLUGIN_URL . 'assets/js/admin/admin-functions.js', array( 'jquery', 'jquery-ui-core', 'jquery-ui-slider', 'divi-bars-select2' ), '1.0.0', true );
// Divi 5 Custom CSS for Visual Builder iframe
wp_register_style( 'divi-bars-custom-divilife-divi5-css', DIVI_BARS_PLUGIN_URL . 'assets/css/admin/style-vb.css', array(), '1.0.0', 'all' );
}
public static function include_assets() {
$screen = get_current_screen();
if ( $screen->post_type != 'divi_bars' ) {
return;
}
wp_enqueue_style( 'wp-color-picker' );
wp_enqueue_style( 'divi-bars-wp-color-picker' );
wp_enqueue_script( 'wp-color-picker' );
wp_enqueue_script( 'divi-bars-wp-color-picker' );
wp_enqueue_script( 'divi-bars-datetime-moment' );
wp_enqueue_script( 'divi-bars-datetime-moment-timezone' );
wp_enqueue_style( 'divi-bars-admin-bootstrap' );
wp_enqueue_script( 'divi-bars-datetime-bootstrap' );
wp_enqueue_script( 'divi-bars-datetime-bootstrap-select' );
wp_enqueue_style( 'divi-bars-admin-bootstrap-select' );
wp_enqueue_style( 'divi-bars-select2' );
wp_enqueue_style( 'divi-bars-select2-bootstrap' );
wp_enqueue_script( 'divi-bars-select2' );
wp_enqueue_style( 'divi-bars-datetime-corecss' );
wp_enqueue_script( 'divi-bars-datetime-corejs' );
// Force jQuery UI because Divi won't include it when Builder is not enabled/active
wp_enqueue_style( 'jquery_ui_css' );
wp_enqueue_style( 'divi-bars-divipanel' );
wp_enqueue_style( 'divi-bars-admin' );
wp_enqueue_script( 'divi-bars-admin-functions' );
}
public static function divi5_enqueue_custom_assets() {
if ( !function_exists( 'et_builder_d5_enabled' ) ) { // Divi 5 exists?
return;
}
$post_type = get_post_type( get_the_ID() );
if ( et_core_is_fb_enabled()
&& et_builder_d5_enabled()
&& $post_type === 'divi_bars' ) {
self::register_assets();
wp_add_inline_script( 'divi-bars-admin-functions', 'if (typeof ajaxurl === \'undefined\') { var ajaxurl = "' . admin_url( 'admin-ajax.php' ) . '" }', 'before' );
wp_enqueue_style( 'wp-color-picker' );
wp_enqueue_style( 'divi-bars-wp-color-picker' );
wp_enqueue_script( 'wp-color-picker' );
wp_enqueue_script( 'divi-bars-wp-color-picker' );
wp_enqueue_script( 'divi-bars-datetime-moment' );
wp_enqueue_script( 'divi-bars-datetime-moment-timezone' );
wp_enqueue_style( 'divi-bars-admin-bootstrap' );
wp_enqueue_script( 'divi-bars-datetime-bootstrap' );
wp_enqueue_script( 'divi-bars-datetime-bootstrap-select' );
wp_enqueue_style( 'divi-bars-admin-bootstrap-select' );
wp_enqueue_style( 'divi-bars-select2' );
wp_enqueue_style( 'divi-bars-select2-bootstrap' );
wp_enqueue_script( 'divi-bars-select2' );
wp_enqueue_style( 'divi-bars-datetime-corecss' );
wp_enqueue_script( 'divi-bars-datetime-corejs' );
// Force jQuery UI because Divi won't include it when Builder is not enabled/active
wp_enqueue_style( 'jquery_ui_css' );
wp_enqueue_style( 'divi-bars-divipanel' );
wp_enqueue_style( 'divi-bars-admin' );
wp_enqueue_script( 'divi-bars-admin-functions' );
wp_enqueue_style( 'divi-bars-custom-divilife-divi5-css' );
}
}
public static function setup_divibars_columns( $columns ) {
$columns = array(
'cb' => '<input type="checkbox" />',
'title' => __( 'Title' ),
'unique_identifier' => __( 'CSS ID' ),
'unique_menu_id' => __( 'Menu ID' ),
'author' => __( 'Author' ),
'date' => __( 'Date' )
);
return $columns;
}
public static function manage_divibars_columns( $column, $post_id ) {
global $post;
switch( $column ) {
/* If displaying the 'unique-indentifier' column. */
case 'unique_identifier':
/* Get the post meta. */
$post_slug = "divibars_unique_id_$post->ID";
print et_core_intentionally_unescaped( $post_slug, 'fixed_string' );
break;
case 'unique_menu_id':
/* Get the post meta. */
$post_slug = "unique_divibars_menu_id_$post->ID";
print et_core_intentionally_unescaped( $post_slug, 'fixed_string' );
break;
default:
break;
}
}
public static function enable_divi_builder( $post_types ) {
$post_types[] = self::$post_type;
return $post_types;
}
public static function post_title_like_where( $where, $wp_query ) {
global $wpdb;
if ( $post_title_like = $wp_query->get( 'post_title_like' ) ) {
$where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'%' . esc_sql( $wpdb->esc_like( trim( $post_title_like ) ) ) . '%\'';
}
return $where;
}
public static function register_divibars_settings( $args ) {
register_setting(
'divibars_settings',
'dib_settings',
array( 'DiviBars_Admin', 'sanitize' )
);
add_settings_section(
'dib_settings_description',
'Settings',
array( 'DiviBars_Admin', 'print_description_settings' ),
'divibars-settings'
);
$options = array(
'type' => 'text',
'name' => 'dib_custom_elems'
);
add_settings_field(
'dib_custom_elems',
'Custom Elements CSS Selector',
array( 'DiviBars_Admin', 'parse_fields_callback' ),
'divibars-settings',
'dib_settings_description',
$options
);
}
public static function print_description_settings() {
print '';
}
/**
* Sanitize each setting field as needed
*
* @param array $input Contains all settings fields as array keys
*/
public static function sanitize( $input ) {
$new_input = array();
if ( isset( $input['dib_custom_elems'] ) ) {
$new_input['dib_custom_elems'] = sanitize_text_field( $input['dib_custom_elems'] );
}
if ( isset( $input['dib_sharedhostingready'] ) ) {
$new_input['dib_sharedhostingready'] = sanitize_text_field( $input['dib_sharedhostingready'] );
}
return $new_input;
}
public static function parse_fields_callback( $options ) {
$field_type = isset( $options['type'] ) ? esc_attr( $options['type'] ) : '';
$field_name = $optionname = isset( $options['name'] ) ? esc_attr( $options['name'] ) : '';
$field_default_value = isset( $options['default_value'] ) ? esc_attr( $options['default_value'] ) : '';
if ( 'text' == $field_type ) {
printf(
'<input type="text" id="' . $field_name . '" name="dib_settings[' . $field_name . ']" value="%s" />',
isset( self::$options[ $field_name ] ) ? esc_attr( self::$options[ $field_name ] ) : et_core_esc_previously( $field_default_value )
);
}
else if ( 'select' == $field_type ) {
$valid_options = array();
$selected = isset( self::$options[ $field_name ] ) ? esc_attr( self::$options[ $field_name ] ) : $field_default_value;
if ( $selected != $field_default_value ) {
$field_default_value = $selected;
}
?>
<select name="dib_settings[<?php print et_core_esc_previously( $field_name ); ?>]" data-defaultvalue="<?php print et_core_esc_previously( $field_default_value ) ?>" class="select-<?php print et_core_esc_previously( $options['name'] ) ?>">
<?php
if ( isset( $options['options'] ) ) {
foreach ( $options['options'] as $option ) {
?>
<option <?php selected( $selected, $option['value'] ); ?> value="<?php print et_core_esc_previously( $option['value'] ); ?>"><?php print et_core_esc_previously( $option['title'] ); ?></option>
<?php
}
}
?>
</select>
<?php
}
else if ( 'checkbox' == $field_type ) {
$value = isset( self::$options[ $field_name ] ) ? esc_attr( self::$options[ $field_name ] ) : et_core_esc_previously( $field_default_value );
$checked = checked( $value, 1, false );
printf(
'<input type="checkbox" id="' . et_core_esc_previously( $field_name ) . '" name="dib_settings[' . et_core_esc_previously( $field_name ) . ']" %s value="1">',
et_core_esc_previously( $checked )
);
}
}
/**
* Filter the post type blacklist if the post type is not supported.
*
* @since 3.10
*
* @param string[] $post_types
*
* @return string[]
*/
public static function filter_post_type_blacklist( $post_types ) {
$post_types[] = self::$post_type;
return $post_types;
}
/**
* Filter the supported post type whitelist if the post type is supported.
*
* @since 3.10
*
* @param string[] $post_types
*
* @return string[]
*/
public static function filter_third_party_post_types( $post_types ) {
$post_types[] = self::$post_type;
return $post_types;
}
/**
* Filter the enabled post type list if the post type has been enabled but the content
* filter has been changed back to the unsupported one.
*
* @since 3.10
*
* @param string[] $post_types
*
* @return string[]
*/
public static function filter_builder_post_types( $post_types ) {
$post_types[] = self::$post_type;
return $post_types;
}
/**
* Disable the FB for a given post if the builder was enabled but the
* content filter was switched after that.
*
* @since 3.10
*
* @param boolean $enabled
* @param integer $post_id
*
* @return boolean
*/
public static function filter_fb_enabled_for_post( $enabled, $post_id ) {
$enabled = true;
return $enabled;
}
} // end DiviBars_Controller