/**
* {@inheritdoc}
*/
public function uninstall(array $module_list, $uninstall_dependents = TRUE)
{
// Get all module data so we can find dependencies and sort.
$module_data = system_rebuild_module_data();
$module_list = $module_list ? array_combine($module_list, $module_list) : array();
if (array_diff_key($module_list, $module_data)) {
// One or more of the given modules doesn't exist.
return FALSE;
}
$extension_config = \Drupal::configFactory()->getEditable('core.extension');
$installed_modules = $extension_config->get('module') ?: array();
if (!($module_list = array_intersect_key($module_list, $installed_modules))) {
// Nothing to do. All modules already uninstalled.
return TRUE;
}
if ($uninstall_dependents) {
// Add dependent modules to the list. The new modules will be processed as
// the while loop continues.
$profile = drupal_get_profile();
while (list($module) = each($module_list)) {
foreach (array_keys($module_data[$module]->required_by) as $dependent) {
if (!isset($module_data[$dependent])) {
// The dependent module does not exist.
return FALSE;
}
// Skip already uninstalled modules.
if (isset($installed_modules[$dependent]) && !isset($module_list[$dependent]) && $dependent != $profile) {
$module_list[$dependent] = $dependent;
}
}
}
}
// Use the validators and throw an exception with the reasons.
if ($reasons = $this->validateUninstall($module_list)) {
foreach ($reasons as $reason) {
$reason_message[] = implode(', ', $reason);
}
throw new ModuleUninstallValidatorException(format_string('The following reasons prevents the modules from being uninstalled: @reasons', array('@reasons' => implode(', ', $reason_message))));
}
// Set the actual module weights.
$module_list = array_map(function ($module) use($module_data) {
return $module_data[$module]->sort;
}, $module_list);
// Sort the module list by their weights.
asort($module_list);
$module_list = array_keys($module_list);
// Only process modules that are enabled. A module is only enabled if it is
// configured as enabled. Custom or overridden module handlers might contain
// the module already, which means that it might be loaded, but not
// necessarily installed.
foreach ($module_list as $module) {
// Clean up all entity bundles (including fields) of every entity type
// provided by the module that is being uninstalled.
// @todo Clean this up in https://www.drupal.org/node/2350111.
$entity_manager = \Drupal::entityManager();
foreach ($entity_manager->getDefinitions() as $entity_type_id => $entity_type) {
if ($entity_type->getProvider() == $module) {
foreach (array_keys($entity_manager->getBundleInfo($entity_type_id)) as $bundle) {
$entity_manager->onBundleDelete($bundle, $entity_type_id);
}
}
}
// Allow modules to react prior to the uninstallation of a module.
$this->moduleHandler->invokeAll('module_preuninstall', array($module));
// Uninstall the module.
module_load_install($module);
$this->moduleHandler->invoke($module, 'uninstall');
// Remove all configuration belonging to the module.
\Drupal::service('config.manager')->uninstall('module', $module);
// Notify interested components that this module's entity types are being
// deleted. For example, a SQL-based storage handler can use this as an
// opportunity to drop the corresponding database tables.
// @todo Clean this up in https://www.drupal.org/node/2350111.
foreach ($entity_manager->getDefinitions() as $entity_type) {
if ($entity_type->getProvider() == $module) {
$entity_manager->onEntityTypeDelete($entity_type);
}
}
// Remove the schema.
drupal_uninstall_schema($module);
// Remove the module's entry from the config.
\Drupal::configFactory()->getEditable('core.extension')->clear("module.{$module}")->save();
// Update the module handler to remove the module.
// The current ModuleHandler instance is obsolete with the kernel rebuild
// below.
$module_filenames = $this->moduleHandler->getModuleList();
unset($module_filenames[$module]);
$this->moduleHandler->setModuleList($module_filenames);
// Remove any potential cache bins provided by the module.
$this->removeCacheBins($module);
// Clear the static cache of system_rebuild_module_data() to pick up the
// new module, since it merges the installation status of modules into
// its statically cached list.
drupal_static_reset('system_rebuild_module_data');
// Clear plugin manager caches.
\Drupal::getContainer()->get('plugin.cache_clearer')->clearCachedDefinitions();
// Update the kernel to exclude the uninstalled modules.
$this->updateKernel($module_filenames);
// Update the theme registry to remove the newly uninstalled module.
drupal_theme_rebuild();
// Modules can alter theme info, so refresh theme data.
// @todo ThemeHandler cannot be injected into ModuleHandler, since that
// causes a circular service dependency.
// @see https://drupal.org/node/2208429
\Drupal::service('theme_handler')->refreshInfo();
\Drupal::logger('system')->info('%module module uninstalled.', array('%module' => $module));
$schema_store = \Drupal::keyValue('system.schema');
$schema_store->delete($module);
}
\Drupal::service('router.builder')->setRebuildNeeded();
drupal_get_installed_schema_version(NULL, TRUE);
// Let other modules react.
$this->moduleHandler->invokeAll('modules_uninstalled', array($module_list));
// Flush all persistent caches.
// Any cache entry might implicitly depend on the uninstalled modules,
// so clear all of them explicitly.
$this->moduleHandler->invokeAll('cache_flush');
foreach (Cache::getBins() as $service_id => $cache_backend) {
$cache_backend->deleteAll();
}
return TRUE;
}
