function block_post_update_disable_blocks_with_missing_contexts

Disable all blocks with missing context IDs in block_update_8001().

File

core/modules/block/block.post_update.php, line 11

Code

function block_post_update_disable_blocks_with_missing_contexts() {
    // Don't execute the function if block_update_8002() got executed already,
    // which used to do the same. Note: Its okay to check here, because
    // update_do_one() does not update the installed schema version until the
    // batch is finished.
    $module_schema = drupal_get_installed_schema_version('block');
    // The state entry 'block_update_8002_placeholder' is used in order to
    // indicate that the placeholder block_update_8002() function has been
    // executed, so this function needs to be executed as well. If the non
    // placeholder version of block_update_8002() got executed already, the state
    // won't be set and we skip this update.
    if ($module_schema >= 8002 && !\Drupal::state()->get('block_update_8002_placeholder', FALSE)) {
        return;
    }
    // Cleanup the state entry as its no longer needed.
    \Drupal::state()->delete('block_update_8002');
    $block_update_8001 = \Drupal::keyValue('update_backup')->get('block_update_8001', []);
    $block_ids = array_keys($block_update_8001);
    $block_storage = \Drupal::entityTypeManager()->getStorage('block');
    $blocks = $block_storage->loadMultiple($block_ids);
    
    /** @var $blocks \Drupal\block\BlockInterface[] */
    foreach ($blocks as $block) {
        // This block has had conditions removed due to an inability to resolve
        // contexts in block_update_8001() so disable it.
        // Disable currently enabled blocks.
        if ($block_update_8001[$block->id()]['status']) {
            $block->setStatus(FALSE);
            $block->save();
        }
    }
    // Provides a list of plugin labels, keyed by plugin ID.
    $condition_plugin_id_label_map = array_column(\Drupal::service('plugin.manager.condition')->getDefinitions(), 'label', 'id');
    // Override with the UI labels we are aware of. Sadly they are not machine
    // accessible, see
    // \Drupal\node\Plugin\Condition\NodeType::buildConfigurationForm().
    $condition_plugin_id_label_map['node_type'] = t('Content types');
    $condition_plugin_id_label_map['request_path'] = t('Pages');
    $condition_plugin_id_label_map['user_role'] = t('Roles');
    if (count($block_ids) > 0) {
        $message = t('Encountered an unknown context mapping key coming probably from a contributed or custom module: One or more mappings could not be updated. Please manually review your visibility settings for the following blocks, which are disabled now:');
        $message .= '<ul>';
        foreach ($blocks as $disabled_block_id => $disabled_block) {
            $message .= '<li>' . t('@label (Visibility: @plugin_ids)', [
                '@label' => $disabled_block->get('settings')['label'],
                '@plugin_ids' => implode(', ', array_intersect_key($condition_plugin_id_label_map, array_flip(array_keys($block_update_8001[$disabled_block_id]['missing_context_ids'])))),
            ]) . '</li>';
        }
        $message .= '</ul>';
        return $message;
    }
}