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<?php defined( 'ABSPATH' ) OR die( 'This script cannot be accessed directly.' );
class US_Migration {
/**
* @var US_Migration
*/
protected static $instance;
protected $migration_needed_message = '';
protected $migration_completed_message = '';
/**
* Singleton pattern: US_Migration::instance()->do_something()
*
* @return US_Migration
*/
public static function instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new US_Migration;
}
return self::$instance;
}
/**
* @var string current UpSolution Core plugin version
*/
public $core_version = NULL;
/**
* @var array List of migration classes instances $version => $instance
*/
public $translators = array();
public $current_translator;
protected function __construct() {
// Get the current DB version
$db_version = $this->get_db_version();
// Get the Core version
if ( defined( 'US_CORE_VERSION' ) AND US_CORE_VERSION != 'fallback' ) {
$this->core_version = US_CORE_VERSION;
} else {
$this->core_version = self::get_latest_version_migration();
}
if ( $db_version == $this->core_version ) {
return;
}
// Get available migrations as PHP files in the "migrations" directory
$migrations_path = US_CORE_DIR . 'migrations/' . US_THEMENAME . '/';
if ( is_dir( $migrations_path ) ) {
foreach ( glob( $migrations_path . '*.php' ) as $migration_file ) {
$class = basename( $migration_file, '.php' );
if ( preg_match( '/^us_migration_([\d\_]+)$/', $class, $matches ) ) {
// Get migration version from the file name
$migration_version = str_replace( '_', '.', isset( $matches[1] ) ? $matches[1] : '' );
if ( ! empty( $migration_version ) AND version_compare( $db_version, $migration_version, '<' ) ) {
if ( file_exists( $migration_file ) ) {
include $migration_file;
}
if ( class_exists( $class ) ) {
$this->translators[ $migration_version ] = new $class;
}
}
}
}
}
if ( empty( $this->translators ) ) {
// Regenerate theme CSS file on update
if ( $db_version != $this->core_version ) {
us_generate_asset_files();
}
// Set DB version if the theme was just installed
$this->set_db_version();
return;
}
if ( defined( 'DOING_AJAX' ) AND DOING_AJAX ) {
// Providing fall-back compatibility for the previous website db versions
if ( ! ( isset( $_POST['action'] ) AND $_POST['action'] === 'us_migrate' ) ) {
// Prevent fall-back during actual migration
$this->provide_fallback();
}
} else {
if ( ! is_admin() ) {
// Providing fall-back compatibility for the previous website db versions
$this->provide_fallback();
} else {
// Registering migration page
add_action( 'admin_menu', 'us_add_migration_page', 41 );
// Notifying about the needed migrations
add_action( 'admin_notices', array( $this, 'display_migration_needed' ), 1 );
add_action( 'admin_footer', array( $this, 'output_migration_needed_js' ), 1 );
}
}
}
/**
* Get the theme's current database version
*
* @return string
*/
public function get_db_version() {
// Getting from global options, not from the theme mods, as it affects content and general options (not theme mods)
$version = get_option( 'us_db_version' );
$version = ! empty( $version ) ? $version : US_THEMEVERSION;
// removing 'betaX' suffix from version
return preg_replace( '~beta\d~', '', $version );
}
/**
* Set the current database version
*
* @param string $version If not set will be updated to the current theme's version
*/
public function set_db_version( $version = NULL ) {
if ( $version === NULL ) {
$version = ( ! empty( $this->core_version ) ) ? $this->core_version : self::get_latest_version_migration();
}
// removing 'betaX' suffix from version
$version = preg_replace( '~beta\d~', '', $version );
$current_version = get_option( 'us_db_version' );
if ( $current_version != $version ) {
update_option( 'us_db_version', $version, TRUE );
}
}
/**
* Latest version of migration
*
* @var string
*/
private static $_latest_version_migration;
/**
* Get the latest migration
*
* @return string
*/
public static function get_latest_version_migration() {
if ( ! empty( self::$_latest_version_migration ) ) {
return self::$_latest_version_migration;
}
$versions = [];
$migrations_path = US_CORE_DIR . 'migrations/' . US_THEMENAME . '/';
if ( is_dir( $migrations_path ) ) {
foreach ( glob( $migrations_path . '*.php' ) as $migration_file ) {
if ( preg_match( '/^us_migration_([\d\_]+)$/', basename( $migration_file, '.php' ), $matches ) ) {
$versions[] = str_replace( '_', '.', isset( $matches[1] ) ? $matches[1] : '' );
}
}
}
if ( ! empty( $versions ) ) {
self::$_latest_version_migration = max( $versions );
}
return self::$_latest_version_migration;
}
public function provide_fallback() {
global $us_migration_doing_fallback;
$us_migration_doing_fallback = TRUE;
// For both frontend and ajax requests
add_action( 'init', array( $this, 'fallback_theme_options' ), 12 );
add_filter( 'get_post_metadata', array( $this, 'fallback_meta' ), 10, 4 );
if ( ! is_admin() ) {
// For frontend requests only
add_filter( 'theme_mod_nav_menu_locations', array( $this, 'fallback_menus' ), 5 );
add_filter( 'the_content', array( $this, 'fallback_content' ), 5 );
add_filter( 'us_load_header_settings', array( $this, 'fallback_header' ), 9 );
add_filter( 'us_grid_layout_settings', array( $this, 'fallback_grid_layout' ), 5 );
add_filter( 'us_page_block_the_content', array( $this, 'fallback_content' ), 5 );
add_filter( 'us_content_template_the_content', array( $this, 'fallback_content' ), 5 );
}
if ( $this->has_widgets_translators() ) {
add_action( 'init', array( $this, 'fallback_widgets' ), 12 );
}
}
/**
* Method that is bound to 'theme_mod_nav_menu_locations' filter to provide live fallback compatibility for menus migrations
*
* @param string $locations
*
* @return mixed
*/
public function fallback_menus( $locations ) {
foreach ( $this->translators as $version => $translator ) {
if ( method_exists( $translator, 'translate_menus' ) ) {
$translator->translate_menus( $locations );
}
}
return $locations;
}
/**
* Method for providing live fallback compatibility for options migrations
*/
public function fallback_theme_options() {
global $usof_options;
usof_load_options_once();
foreach ( $this->translators as $version => $translator ) {
if ( method_exists( $translator, 'translate_theme_options' ) ) {
$translator->translate_theme_options( $usof_options );
}
}
$usof_options = array_merge( usof_defaults(), $usof_options );
}
/**
* Method for providing live fallback compatibility for metas migrations
*
* @param mixed $meta_val
* @param string $key
* @param array $args
* @param int $post_id
*
* @return mixed
*/
public function fallback_meta( $meta_val, $post_id, $key, $single ) {
if ( ! get_the_ID() OR $post_id != get_the_ID() OR empty( $key ) ) {
return $meta_val;
}
global $us_migration_current_post_id;
$us_migration_current_post_id = $post_id;
$meta = get_post_meta( $post_id );
$post_type = get_post_type( $post_id );
foreach ( $this->translators as $version => $translator ) {
if ( method_exists( $translator, 'translate_meta' ) ) {
$translator->translate_meta( $meta, $post_type );
}
}
if ( isset( $meta[ $key ] ) ) {
if ( $single ) {
return $meta[ $key ][0];
} else {
return $meta[ $key ];
}
} else {
return $meta_val;
}
}
/**
* Method that is bound to 'the_content' filter to provide live fallback compatibility for content migrations
*
* @param $content
*
* @return mixed
*/
public function fallback_content( $content ) {
global $post;
$postID = ( isset( $post->ID ) ) ? $post->ID : NULL; // TODO check if we really use passed post ID
foreach ( $this->translators as $version => $translator ) {
if ( method_exists( $translator, 'translate_content' ) ) {
$translator->translate_content( $content, $postID );
}
}
return $content;
}
/**
* Method for providing live fallback compatibility for header
*
* @param array $header_settings
* @return array
*/
public function fallback_header( $header_settings ) {
foreach ( $this->translators as $version => $translator ) {
if ( method_exists( $translator, 'translate_header_settings' ) ) {
$translator->translate_header_settings( $header_settings );
}
}
return $header_settings;
}
/**
* Method for providing live fallback compatibility for grid layout
*
* @param array $grid_layout_settings
* @return array
*/
public function fallback_grid_layout( $grid_layout_settings ) {
foreach ( $this->translators as $version => $translator ) {
if ( method_exists( $translator, 'translate_grid_layout_settings' ) ) {
$translator->translate_grid_layout_settings( $grid_layout_settings );
}
}
return $grid_layout_settings;
}
public function has_widgets_translators() {
foreach ( $this->translators as $version => $translator ) {
if ( method_exists( $translator, 'translate_widgets' ) ) {
return TRUE;
}
}
return FALSE;
}
public $sidebars_widgets = array();
public $widgets_instances = array();
public function fallback_widgets() {
$this->sidebars_widgets = array();
$this->widgets_instances = array();
$filters_added = array();
foreach ( get_option( 'sidebars_widgets', array() ) as $sidebar => $widgets ) {
if ( ! is_array( $widgets ) ) {
// For non-widgets additional option data
$this->sidebars_widgets[ $sidebar ] = $widgets;
continue;
}
foreach ( $widgets as $index => $widget_binding ) {
if ( ! preg_match( '@^(.+)\-(\d+)$@', $widget_binding, $matches ) ) {
continue;
}
$widget_name = $original_widget_name = $matches[1];
$instance_id = $matches[2];
$this->widgets_instances[ $widget_name ] = get_option( 'widget_' . $widget_name, array() );
if ( ! isset( $this->widgets_instances[ $widget_name ][ $instance_id ] ) ) {
continue;
}
foreach ( $this->translators as $version => $translator ) {
if ( ! method_exists( $translator, 'translate_widgets' ) ) {
continue;
}
if ( $translator->translate_widgets( $widget_name, $this->widgets_instances[ $widget_name ][ $instance_id ] ) ) {
if ( $widget_name != $original_widget_name ) {
if ( ! isset( $this->widgets_instances[ $widget_name ] ) ) {
// Widget name has changed
$this->widgets_instances[ $widget_name ] = isset( $this->widgets_instances[ $original_widget_name ] ) ? $this->widgets_instances[ $original_widget_name ] : array();
} else {
$this->widgets_instances[ $widget_name ][ $instance_id ] = $this->widgets_instances[ $original_widget_name ][ $instance_id ];
}
}
if ( ! in_array( $widget_name, $filters_added ) ) {
// Binding each widget once
add_filter(
'pre_option_widget_' . $widget_name, array(
$this,
'fallback_widgets_instance',
)
);
$filters_added[] = $widget_name;
}
}
}
$widgets[ $index ] = $widget_name . '-' . $instance_id;
}
$this->sidebars_widgets[ $sidebar ] = $widgets;
}
if ( count( $filters_added ) > 0 ) {
add_filter( 'option_sidebars_widgets', array( $this, 'fallback_sidebars_widgets' ) );
}
}
public function fallback_sidebars_widgets() {
return $this->sidebars_widgets;
}
public function fallback_widgets_instance() {
if ( ! preg_match( '@^pre_option_widget_(.+)$@', current_filter(), $matches ) OR ! isset( $this->widgets_instances[ $matches[1] ] ) ) {
return FALSE;
}
return $this->widgets_instances[ $matches[1] ];
}
public function display_migration_needed() {
global $pagenow;
if ( ! empty( $pagenow ) AND $pagenow == 'admin.php' AND ! empty( $_GET['page'] ) AND $_GET['page'] == 'us-update-content' ) {
return;
}
if ( $this->migration_needed_message != '' ) {
$output = $this->migration_needed_message;
} else {
$output = '<div class="us-migration">';
$output .= '<h2>Your website content needs to be changed to be compatible with ' . US_THEMENAME . ' ' . US_THEMEVERSION . '</h2>';
// Prevent migration if PHP version < 5.6, PHP_VERSION_ID available from PHP 5.2.7
if ( ! defined( 'PHP_VERSION_ID' ) OR PHP_VERSION_ID < 50600 ) {
$output .= '<p>New ' . US_THEMENAME . ' is not compatible with PHP versions prior to 5.6. ';
$output .= 'Update PHP to the latest supported version to proceed. ';
$output .= '<a href="https://wordpress.org/support/update-php/" target="_blank" rel="noopener">Learn more about updating PHP</a></p>';
$output .= '<p><input type="submit" value="Update website content" class="button" disabled></p>';
// Prevent migration access when "Wordfence" or "iThemes Security" plugins are active
} elseif ( class_exists( 'wordfence' ) OR class_exists( 'ITSEC_Core' ) ) {
$output .= '<p>To proceed updating ';
if ( get_current_screen()->id != 'plugins' ) {
$output .= 'go to <a href="' . admin_url( 'plugins.php' ) . '">plugins page</a> and ';
}
$output .= 'deactivate <strong>';
$output .= ( class_exists( 'wordfence' ) ) ? 'Wordfence Security' : 'iThemes Security';
$output .= '</strong> plugin.</p>';
$output .= '<p><input type="submit" value="Update website content" class="button button-primary" disabled></p>';
} else {
$output .= '<p><label><input type="checkbox" name="allow_migration" id="allow_migration"> I made a full backup of my website</p>';
$output .= '<p><input type="submit" value="Update website content" class="button button-primary" id="migration-start"></p>';
}
$output .= '</div>';
$output .= '<style>
.us-migration {
padding: 20px 20px 10px;
margin-left: -20px;
background-color: #ffe14c;
color: #000;
}
.us-migration h2 {
margin: 0 0 10px;
color: inherit;
}
.us-migration p {
font-size: 15px;
}
.us-migration .button {
font-size: 15px;
padding: 5px 20px;
}
</style>';
}
echo $output;
}
public function output_migration_needed_js() {
$output = '<script type="text/javascript">';
$output .= 'jQuery(function($){
$(".us-migration input.button").attr("disabled", "");
$(".error.us-migration.for-hb").hide();
$("#allow_migration").removeAttr("checked").on("click", function(){
if ($(this).is(":checked")){
$(".us-migration input.button").removeAttr("disabled");
}else{
$(".us-migration input.button").attr("disabled", "");
}
});
$(".us-migration input.button").click(function(){
if ( ! $(".us-migration input[type=\"checkbox\"]").is(":checked")) return;
$(this).val("Updating...");
$(".us-migration input.button").attr("disabled", "");
var locationHref = window.location.href;console.log(locationHref);
location.assign("' . admin_url( 'admin.php?page=us-update-content&migration-start=1' ) . '");
});
});';
$output .= '</script>';
echo $output;
}
public function migration_completed_message() {
global $help_portal_url;
if ( $this->migration_completed_message != '' ) {
$output = $this->migration_completed_message;
} else {
$output = '<h3>Update to ' . US_THEMENAME . ' ' . US_THEMEVERSION . ' is completed.<br>';
$output .= 'Now check your website. If you notice some issues, <a href="' . $help_portal_url . '/' . strtolower( US_THEMENAME ) . '/tickets/" target="_blank">go to the support</a>.</h3>';
}
return $output;
}
/**
* Batch Data Migration
* @param int $num_posts Number of posts in one run
* @return float
*/
public function perform_migration_step( $num_posts = 50 ) {
us_set_time_limit();
$progress = 0;
$migrations = array(
'migrate_theme_options',
'migrate_content_and_meta',
'migrate_menus',
'migrate_widgets',
'migrate_wpb_templates',
);
// List post types, which can be migrated
$predefined_posts_types = array_merge(
array(
'us_header',
'us_grid_layout',
'us_page_block',
'us_content_template',
'us_testimonial',
'templatera',
),
array_keys( us_get_public_post_types() )
);
$query_post_args = array(
'posts_per_page' => - 1,
'post_type' => $predefined_posts_types,
'post_status' => 'any',
'numberposts' => - 1,
'orderby' => 'ID',
'order' => 'ASC',
);
if ( ! defined( 'US_DEV' ) OR ! US_DEV ) {
ob_start();
}
$count_posts = 0;
foreach ( $predefined_posts_types as $post_type ) {
$posts_count = wp_count_posts( $post_type );
foreach ( get_post_stati() as $post_status ) {
if ( ! empty( $posts_count->$post_status ) ) {
$count_posts += $posts_count->$post_status;
}
}
}
unset( $predefined_posts_types );
$translators_keys = array_keys( $this->translators );
if ( ! $data = get_transient( 'us_migrate_data' ) ) {
$data = array(
'version' => $translators_keys[0],
'current_step' => 0,
'method_index' => - 1,
'count_posts' => $count_posts,
'posts_args' => array(
'offset' => 0,
'posts_per_page' => (int) $num_posts,
),
);
}
$posts_index = array_search( 'migrate_content_and_meta', $migrations, TRUE );
if ( $data['method_index'] != $posts_index OR $data['posts_args']['offset'] >= $data['count_posts'] ) {
$data['method_index'] += 1;
}
$data['method_name'] = isset( $data['method_index'], $migrations[ $data['method_index'] ] )
? $migrations[ $data['method_index'] ]
: $migrations[0];
if ( ! empty( $data['method_name'] ) AND method_exists( $this, $data['method_name'] ) ) {
$post_steps = (int) ceil( $data['count_posts'] / $num_posts );
$methods_count = count( $migrations ) - 1;
$translator_steps = ( $post_steps + $methods_count );
$count_all_steps = ( $translator_steps * count( $this->translators ) );
$version = $translators_keys[ (int) floor( $data['current_step'] / $translator_steps ) ];
$data['current_step'] += 1;
// Next migration
if ( $version > $data['version'] ) {
$data['method_index'] = 0;
$data['posts_args']['offset'] = 0;
}
$this->current_translator = $this->translators[ $version ];
if ( $data['method_name'] == 'migrate_content_and_meta' ) {
$query_post_args = array_merge( $query_post_args, $data['posts_args'] );
foreach ( get_posts( $query_post_args ) as $post ) {
if ( in_array( $post->post_type, array( 'us_header', 'us_grid_layout', ) ) ) {
$this->migrate_header_and_grid_layout( $post );
} else {
$this->migrate_content_and_meta( $post );
}
}
} else {
call_user_func( array( $this, $data['method_name'] ) );
}
$data['version'] = $version;
// The next portion of posts
if ( $data['method_name'] == 'migrate_content_and_meta' ) {
$data['posts_args']['offset'] += $num_posts;
}
$progress = ( 100 / $count_all_steps ) * $data['current_step'];
}
delete_transient( 'us_migrate_data' );
if ( $progress < 100 ) {
set_transient( 'us_migrate_data', $data, 12 * HOUR_IN_SECONDS );
} else {
// Regenerate theme asset file after migration
us_generate_asset_files();
$this->set_db_version();
}
if ( ! defined( 'US_DEV' ) OR ! US_DEV ) {
ob_end_clean();
}
$res = array(
'progress' => (float) sprintf( '%0.5f', $progress ),
);
return defined( 'US_DEV' )
? array_merge( array( 'debug' => $data ), $res )
: $res;
}
public function migrate_menus() {
$locations = get_theme_mod( 'nav_menu_locations' );
$menus_changed = FALSE;
if ( method_exists( $this->current_translator, 'translate_menus' ) ) {
$menus_changed = ( $this->current_translator->translate_menus( $locations ) OR $menus_changed );
}
if ( $menus_changed ) {
set_theme_mod( 'nav_menu_locations', $locations );
}
}
public function migrate_theme_options() {
// Getting Options
global $usof_options;
$updated_options = $usof_options;
usof_load_options_once();
$options_changed = FALSE;
if ( method_exists( $this->current_translator, 'translate_theme_options' ) ) {
$options_changed = ( $this->current_translator->translate_theme_options( $updated_options ) OR $options_changed );
}
if ( $options_changed ) {
// Filling the missed options with default values
$updated_options = array_merge( usof_defaults(), $updated_options );
// Saving the changed options
ob_start();
usof_save_options( $updated_options );
ob_end_clean();
}
}
public function migrate_widgets() {
$sidebars_widgets = array();
$widgets_instances = array();
// Name of changed widgets
$changed_widgets = array();
foreach ( get_option( 'sidebars_widgets', array() ) as $sidebar => $widgets ) {
if ( ! is_array( $widgets ) ) {
// For non-widgets additional option data
$sidebars_widgets[ $sidebar ] = $widgets;
continue;
}
foreach ( $widgets as $index => $widget_binding ) {
if ( ! preg_match( '@^(.+)\-(\d+)$@', $widget_binding, $matches ) ) {
continue;
}
$widget_name = $original_widget_name = $matches[1];
$instance_id = $matches[2];
if ( ! isset( $widgets_instances[ $widget_name ] ) ) {
$widgets_instances[ $widget_name ] = get_option( 'widget_' . $widget_name, array() );
}
if ( ! isset( $widgets_instances[ $widget_name ][ $instance_id ] ) ) {
continue;
}
if ( ! method_exists( $this->current_translator, 'translate_widgets' ) ) {
continue;
}
$widget_instance = $widgets_instances[ $widget_name ][ $instance_id ];
if ( $this->current_translator->translate_widgets( $widget_name, $widget_instance ) ) {
if ( $widget_name != $original_widget_name ) {
if ( ! isset( $widgets_instances[ $widget_name ] ) ) {
$widgets_instances[ $widget_name ] = get_option( 'widget_' . $widget_name, array() );
}
if ( in_array( $instance_id, array_keys( $widgets_instances[ $widget_name ] ) ) ) {
$instance_id = max( array_keys( $widgets_instances[ $widget_name ] ) ) + 1;
}
delete_option( 'widget_' . $original_widget_name );
}
$widgets_instances[ $widget_name ][ $instance_id ] = $widget_instance;
if ( ! in_array( $widget_name, $changed_widgets ) ) {
$changed_widgets[] = $widget_name;
}
}
$widgets[ $index ] = $widget_name . '-' . $instance_id;
}
$sidebars_widgets[ $sidebar ] = $widgets;
}
if ( count( $changed_widgets ) > 0 ) {
update_option( 'sidebars_widgets', $sidebars_widgets );
foreach ( $changed_widgets as $widget_name ) {
update_option( 'widget_' . $widget_name, $widgets_instances[ $widget_name ], TRUE );
}
}
}
public function migrate_header_and_grid_layout( $post ) {
if (
$post instanceof WP_Post
AND ! empty( $post->post_content )
AND substr( strval( $post->post_content ), 0, 1 ) === '{'
) {
try {
$settings = json_decode( $post->post_content, TRUE );
$settings_changed = FALSE;
$translate_method_name = ( $post->post_type == 'us_header' ) ? 'translate_header_settings' : 'translate_grid_layout_settings';
if ( method_exists( $this->current_translator, $translate_method_name ) AND
isset( $settings['data'] ) and is_array( $settings['data'] ) ) {
$settings_changed = ( $this->current_translator->$translate_method_name( $settings, $post->ID ) OR $settings_changed );
}
if ( $settings_changed ) {
ob_start();
wp_update_post(
array(
'ID' => $post->ID,
'post_content' => str_replace( "\\'", "'", json_encode( wp_slash( $settings ), JSON_UNESCAPED_UNICODE ) ),
)
);
ob_end_clean();
}
}
catch ( Exception $e ) {
}
}
}
/**
* @param WP_Post $post
*/
public function migrate_content_and_meta( $post ) {
global $vc_manager, $us_migration_current_post_id;
if ( class_exists( 'Vc_Manager' ) AND isset( $vc_manager ) ) {
$vc = $vc_manager->vc();
}
$us_migration_current_post_id = $post->ID;
$content = $post->post_content;
$content_changed = FALSE;
if ( method_exists( $this->current_translator, 'translate_content' ) ) {
$content_changed = ( $this->current_translator->translate_content( $content, $post->ID ) OR $content_changed );
}
if ( $content_changed ) {
wp_update_post(
array(
'ID' => $post->ID,
'post_content' => $content,
)
);
if ( isset( $vc ) AND method_exists( $vc, 'buildShortcodesCustomCss' ) ) {
$vc->buildShortcodesCustomCss( $post->ID );
}
}
// Translating Meta fields
$meta_changed = FALSE;
$original_meta = $meta = get_post_meta( $post->ID );
if ( method_exists( $this->current_translator, 'translate_meta' ) ) {
$meta_changed = ( $this->current_translator->translate_meta( $meta, $post->post_type ) OR $meta_changed );
}
if ( $meta_changed ) {
$deleted_meta = array_diff_key( $original_meta, $meta );
foreach ( $meta as $key => $value ) {
if ( ! isset( $original_meta[ $key ] ) OR $original_meta[ $key ] !== $value ) {
update_post_meta( $post->ID, $key, $value[0] );
}
}
foreach ( $deleted_meta as $key => $value ) {
delete_post_meta( $post->ID, $key );
}
}
}
/**
* Migrate WPB Templates
*
* @return bool
*/
public function migrate_wpb_templates() {
$changed = FALSE;
if ( $wpb_js_templates = get_option( 'wpb_js_templates' ) AND is_array( $wpb_js_templates ) ) {
foreach ( $wpb_js_templates as &$temp ) {
if ( ! empty( $temp['template'] ) AND method_exists( $this->current_translator, 'translate_content' ) ) {
if ( $this->current_translator->translate_content( $temp['template'] ) ) {
$changed = TRUE;
}
}
}
unset( $temp );
}
if ( $changed ) {
update_option( 'wpb_js_templates', $wpb_js_templates );
}
return $changed;
}
}
abstract class US_Migration_Translator {
/**
* @var bool Possibly dangerous translation that needs to be migrated manually (don't use this too often)
*/
public $should_be_manual = FALSE;
/**
* @var string Extra css that will be appended to the end of the body
*/
public $_extra_css = '';
public function __construct() {
add_action( 'wp_footer', array( $this, 'append_css' ), 20 );
}
public function append_css() {
if ( ! empty( $this->_extra_css ) ) {
echo '<style id="' . get_class( $this ) . '">' . $this->_extra_css . '</style>';
}
}
/**
*
*
* @param array $locations
* @param array $rules
*
* @return bool
*/
protected function _translate_menus( &$locations, $rules ) {
$changed = FALSE;
// Obtaining the valid menu ids
$menu_ids = wp_get_nav_menus( array( 'fields' => 'ids' ) );
foreach ( $rules as $old => $new ) {
if ( isset( $locations[ $old ] ) AND in_array( $locations[ $old ], $menu_ids ) ) {
$locations[ $new ] = $locations[ $old ];
unset( $locations[ $old ] );
$changed = TRUE;
}
}
return $changed;
}
protected function _translate_theme_options( &$options, $rules ) {
$changed = FALSE;
foreach ( $rules as $option => $rule ) {
if ( isset( $options[ $option ] ) ) {
if ( isset( $rule['values'] ) ) {
foreach ( $rule['values'] as $old_value => $new_value ) {
if ( $options[ $option ] == $old_value ) {
$options[ $option ] = $new_value;
$changed = TRUE;
break;
}
}
}
if ( isset( $rule['new_name'] ) ) {
if ( ! is_array( $rule['new_name'] ) ) {
$rule['new_name'] = array( $rule['new_name'] );
}
$option_value = $options[ $option ];
unset( $options[ $option ] );
foreach ( $rule['new_name'] as $new_name ) {
if ( ! isset( $options[ $new_name ] ) ) {
$options[ $new_name ] = $option_value;
}
}
$changed = TRUE;
}
}
}
return $changed;
}
protected function _translate_meta( &$meta, $post_type, $rules ) {
$changed = FALSE;
foreach ( $rules as $meta_name => $rule ) {
if ( isset( $meta[ $meta_name ] ) AND in_array( $post_type, $rule['post_types'] ) ) {
if ( isset( $rule['values'] ) ) {
foreach ( $rule['values'] as $old_value => $new_value ) {
if ( $meta[ $meta_name ][0] == $old_value ) {
$changed = TRUE;
$meta[ $meta_name ][0] = $new_value;
break;
}
}
}
if ( isset( $rule['new_name'] ) ) {
if ( ! is_array( $rule['new_name'] ) ) {
$rule['new_name'] = array( $rule['new_name'] );
}
$meta_value = $meta[ $meta_name ];
//unset( $meta[$meta_name] );
foreach ( $rule['new_name'] as $new_name ) {
if ( ! isset( $meta[ $new_name ] ) ) {
$changed = TRUE;
$meta[ $new_name ] = $meta_value;
}
}
}
}
}
return $changed;
}
public function translate_params( &$params, $rules ) {
$params_changed = FALSE;
foreach ( $rules as $param => $rule ) {
if ( isset( $params[ $param ] ) ) {
if ( isset( $rule['values'] ) ) {
foreach ( $rule['values'] as $old_value => $new_value ) {
if ( $params[ $param ] == $old_value ) {
if ( $new_value === NULL ) {
unset( $params[ $param ] );
} else {
$params[ $param ] = $new_value;
}
$params_changed = TRUE;
break;
}
}
}
if ( isset( $params[ $param ] ) AND isset( $rule['new_name'] ) ) {
if ( $rule['new_name'] !== NULL ) {
$params[ $rule['new_name'] ] = $params[ $param ];
}
unset( $params[ $param ] );
$params_changed = TRUE;
}
} elseif ( isset( $rule['values'] ) AND isset( $rule['values'][ NULL ] ) ) {
$params[ $param ] = $rule['values'][ NULL ];
}
}
return $params_changed;
}
public function _translate_content( &$content ) {
$content_changed = FALSE;
// Searching for all shortcodes
$shortcode_pattern = $this->get_shortcode_regex();
if ( preg_match_all( '/' . $shortcode_pattern . '/s', $content, $matches ) ) {
if ( count( $matches[2] ) ) {
foreach ( $matches[2] as $i => $shortcode_name ) {
$shortcode_content_changed = $shortcode_changed = FALSE;
$shortcode_string = $matches[0][ $i ];
$shortcode_params_string = $matches[3][ $i ];
$shortcode_content = $matches[5][ $i ];
// Check if params of this shortcode should be translated
$translate_shortcode_method = 'translate_' . $shortcode_name;
if ( method_exists( $this, $translate_shortcode_method ) ) {
if ( ! empty( $shortcode_params_string ) ) {
$shortcode_params = shortcode_parse_atts( $shortcode_params_string );
} else {
$shortcode_params = array();
}
$shortcode_changed = $this->$translate_shortcode_method( $shortcode_name, $shortcode_params, $shortcode_content );
// If params should be changed, remaking params string
if ( $shortcode_changed ) {
$shortcode_params_string = '';
foreach ( $shortcode_params as $param => $value ) {
$shortcode_params_string .= ' ' . $param . '="' . $value . '"';
}
}
}
// Using recursion to translate shortcodes inside found shortcode
if ( ! empty( $shortcode_content ) ) {
$shortcode_content_changed = $this->translate_content( $shortcode_content );
}
// If it is a text containing pricing - leave just pricing
if ( get_class( $this ) == 'us_migration_2_0' ) {
if ( $shortcode_name == 'vc_column_text' AND preg_match( '/^' . $this->get_shortcode_regex( array( 'us_pricing' ) ) . '$/s', trim( $shortcode_content ) ) ) {
$content = str_replace( $shortcode_string, $shortcode_content, $content );
$content_changed = TRUE;
continue;
}
}
// If content or params of the shortcode have been changed, making new shortcode string and replacing it in the content
if ( $shortcode_content_changed OR $shortcode_changed ) {
$new_shortcode_string = '[' . $shortcode_name . $shortcode_params_string . ']';
if ( ! empty( $shortcode_content ) ) {
$new_shortcode_string .= $shortcode_content;
}
if ( strpos( $shortcode_string, '[/' . $matches[2][ $i ] . ']' ) ) {
$new_shortcode_string .= '[/' . $shortcode_name . ']';
}
// Doing str_replace only once to avoid collisions
$pos = strpos( $content, $shortcode_string );
if ( $pos !== FALSE ) {
$content = substr_replace( $content, $new_shortcode_string, $pos, strlen( $shortcode_string ) );
}
$content_changed = TRUE;
}
}
}
}
return $content_changed;
}
public $shortcode_tagnames = NULL;
public function get_shortcode_regex( $tagnames = NULL ) {
if ( empty( $tagnames ) OR ! is_array( $tagnames ) ) {
if ( $this->shortcode_tagnames === NULL ) {
// Retrieving list of possible shortcode translations from the class methods
$this->shortcode_tagnames = array();
foreach ( get_class_methods( $this ) as $method_name ) {
if ( substr( $method_name, 0, 10 ) != 'translate_' ) {
continue;
}
$tagname = substr( $method_name, 10 );
if ( ! in_array( $tagname, explode( '|', 'menus|params|content|theme_options|meta|widgets' ) ) ) {
$this->shortcode_tagnames[] = $tagname;
}
}
}
$tagnames = $this->shortcode_tagnames;
}
$tagregexp = implode( '|', array_map( 'preg_quote', $tagnames ) );
// WARNING! Do not change this regex without changing do_shortcode_tag() and strip_shortcode_tag()
// Also, see shortcode_unautop() and shortcode.js.
$this->shortcode_regex = '\\[' // Opening bracket
. '(\\[?)' // 1: Optional second opening bracket for escaping shortcodes: [[tag]]
. "($tagregexp)" // 2: Shortcode name
. '(?![\\w-])' // Not followed by word character or hyphen
. '(' // 3: Unroll the loop: Inside the opening shortcode tag
. '[^\\]\\/]*' // Not a closing bracket or forward slash
. '(?:' . '\\/(?!\\])' // A forward slash not followed by a closing bracket
. '[^\\]\\/]*' // Not a closing bracket or forward slash
. ')*?' . ')' . '(?:' . '(\\/)' // 4: Self closing tag ...
. '\\]' // ... and closing bracket
. '|' . '\\]' // Closing bracket
. '(?:' . '(' // 5: Unroll the loop: Optionally, anything between the opening and closing shortcode tags
. '[^\\[]*+' // Not an opening bracket
. '(?:' . '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
. '[^\\[]*+' // Not an opening bracket
. ')*+' . ')' . '\\[\\/\\2\\]' // Closing shortcode tag
. ')?' . ')' . '(\\]?)'; // 6: Optional second closing brocket for escaping shortcodes: [[tag]]
return $this->shortcode_regex;
}
}
global $us_migration;
$us_migration = US_Migration::instance();