public static function do_migration()
{
Jetpack_Options::update_option('custom_css_4.7_migration', true);
Jetpack::log('custom_css_4.7_migration', 'start');
if (!post_type_exists('safecss')) {
self::register_legacy_post_type();
}
/** This filter is documented in modules/custom-css/custom-css.php */
$preprocessors = apply_filters('jetpack_custom_css_preprocessors', array());
$core_css_post = wp_get_custom_css_post();
$jetpack_css_post = self::get_post();
$revisions = self::get_all_revisions();
// Migrate the settings from revision meta to theme mod.
$options = self::get_options($jetpack_css_post->ID);
set_theme_mod('jetpack_custom_css', $options);
if (empty($revisions) || !is_array($revisions)) {
if ($jetpack_css_post instanceof WP_Post) {
// Feed in the raw, if the current setting is Sass/LESS, it'll filter it inside.
wp_update_custom_css_post($jetpack_css_post->post_content);
return 1;
}
return null;
}
$revisions = array_reverse($revisions);
$themes = Jetpack_Custom_CSS_Enhancements::get_themes();
$migrated = array();
foreach ($revisions as $post_id => $post) {
// Jetpack had stored the theme Name, not the stylesheet directory, for ... reasons.
// Get the stylesheet. If null, the theme is no longer available. Skip.
$stylesheet = isset($themes[$post->post_excerpt]) ? $themes[$post->post_excerpt] : null;
if (empty($stylesheet)) {
continue;
}
$migrated[] = $post->ID;
$preprocessor = get_post_meta($post->ID, 'custom_css_preprocessor', true);
$css = $post->post_content;
$pre = '';
// Do a revision by revision parsing.
if ($preprocessor && isset($preprocessors[$preprocessor])) {
$pre = $css;
$css = call_user_func($preprocessors[$preprocessor]['callback'], $pre);
}
// Do we need to remove any filters here for users without `unfiltered_html` ?
wp_update_custom_css_post($css, array('stylesheet' => $stylesheet, 'preprocessed' => $pre));
}
// If we've migrated some CSS for the current theme and there was already something there in the Core dataset ...
if ($core_css_post && $jetpack_css_post) {
$preprocessor = $options['preprocessor'];
$css = $core_css_post->post_content;
$pre = $core_css_post->post_content_filtered;
if ($preprocessor) {
if ($pre) {
$pre .= "\r\n\r\n/*\r\n\t" . esc_js(__('CSS Migrated from Jetpack:', 'jetpack')) . "\r\n*/\r\n\r\n";
}
$pre .= $jetpack_css_post->post_content;
$css .= "\r\n\r\n/*\r\n\t" . esc_js(__('CSS Migrated from Jetpack:', 'jetpack')) . "\r\n*/\r\n\r\n";
$css .= call_user_func($preprocessors[$preprocessor]['callback'], $jetpack_css_post->post_content);
} else {
$css .= "\r\n\r\n/*\r\n\t" . esc_js(__('CSS Migrated from Jetpack:', 'jetpack')) . "\r\n*/\r\n\r\n";
$css .= $jetpack_css_post->post_content;
}
wp_update_custom_css_post($css, array('preprocessed' => $pre));
}
Jetpack::log('custom_css_4.7_migration', sizeof($migrated) . 'revisions migrated');
return sizeof($migrated);
}
/**
* Store the CSS setting value in the custom_css custom post type for the stylesheet.
*
* @since 4.7.0
* @access public
*
* @param string $css The input value.
* @return int|false The post ID or false if the value could not be saved.
*/
public function update($css)
{
if (empty($css)) {
$css = '';
}
$r = wp_update_custom_css_post($css, array('stylesheet' => $this->stylesheet));
if ($r instanceof WP_Error) {
return false;
}
$post_id = $r->ID;
// Cache post ID in theme mod for performance to avoid additional DB query.
if ($this->manager->get_stylesheet() === $this->stylesheet) {
set_theme_mod('custom_css_post_id', $post_id);
}
return $post_id;
}
/**
* Test revision saving on initial save of Custom CSS.
*
* @ticket 39032
*/
function test_custom_css_revision_saved()
{
$inserted_css = 'body { background: black; }';
$updated_css = 'body { background: red; }';
$post = wp_update_custom_css_post($inserted_css, array('stylesheet' => 'testtheme'));
$this->assertSame($inserted_css, $post->post_content);
$revisions = array_values(wp_get_post_revisions($post));
$this->assertCount(1, $revisions);
$this->assertSame($inserted_css, $revisions[0]->post_content);
wp_update_custom_css_post($updated_css, array('stylesheet' => 'testtheme'));
$revisions = array_values(wp_get_post_revisions($post));
$this->assertCount(2, $revisions);
$this->assertSame($updated_css, $revisions[0]->post_content);
$this->assertSame($inserted_css, $revisions[1]->post_content);
}
/**
* Import Custom CSS.
*
* @since 3.5.0
*/
function blue_planet_import_custom_css()
{
// Bail if not WP 4.7.
if (!function_exists('wp_get_custom_css_post')) {
return;
}
$custom_css = blue_planet_get_option('custom_css');
// Bail if there is no Custom CSS.
if (empty($custom_css)) {
return;
}
$core_css = wp_get_custom_css();
$return = wp_update_custom_css_post($core_css . $custom_css);
if (!is_wp_error($return)) {
// Remove from theme.
$options = blue_planet_get_option_all();
$options['custom_css'] = '';
set_theme_mod('blueplanet_options', $options);
}
}