protected function ModulesListForm::buildModuleList in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/system/src/Form/ModulesListForm.php \Drupal\system\Form\ModulesListForm::buildModuleList()
2. 10 core/modules/system/src/Form/ModulesListForm.php \Drupal\system\Form\ModulesListForm::buildModuleList()

Helper function for building a list of modules to install.

Parameters

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array An array of modules to install and their dependencies.

1 call to ModulesListForm::buildModuleList()

ModulesListForm::submitForm in core/modules/system/src/Form/ModulesListForm.php

Form submission handler.

File

core/modules/system/src/Form/ModulesListForm.php, line 370

Class

ModulesListForm

Provides module installation interface.

Namespace

Drupal\system\Form

Code

protected function buildModuleList(FormStateInterface $form_state) {

  // Build a list of modules to install.
  $modules = [
    'install' => [],
    'dependencies' => [],
    'experimental' => [],
  ];
  $data = $this->moduleExtensionList
    ->getList();
  foreach ($data as $name => $module) {

    // If the module is installed there is nothing to do.
    if ($this->moduleHandler
      ->moduleExists($name)) {
      continue;
    }

    // Required modules have to be installed.
    if (!empty($module->required)) {
      $modules['install'][$name] = $module->info['name'];
    }
    elseif (($checkbox = $form_state
      ->getValue([
      'modules',
      $name,
    ], FALSE)) && $checkbox['enable']) {
      $modules['install'][$name] = $data[$name]->info['name'];

      // Identify experimental modules.
      if ($data[$name]->info['package'] == 'Core (Experimental)') {
        $modules['experimental'][$name] = $data[$name]->info['name'];
      }
    }
  }

  // Add all dependencies to a list.
  foreach ($modules['install'] as $module => $value) {
    foreach (array_keys($data[$module]->requires) as $dependency) {
      if (!isset($modules['install'][$dependency]) && !$this->moduleHandler
        ->moduleExists($dependency)) {
        $modules['dependencies'][$module][$dependency] = $data[$dependency]->info['name'];
        $modules['install'][$dependency] = $data[$dependency]->info['name'];

        // Identify experimental modules.
        if ($data[$dependency]->info['package'] == 'Core (Experimental)') {
          $modules['experimental'][$dependency] = $data[$dependency]->info['name'];
        }
      }
    }
  }

  // Make sure the install API is available.
  include_once DRUPAL_ROOT . '/core/includes/install.inc';

  // Invoke hook_requirements('install'). If failures are detected, make
  // sure the dependent modules aren't installed either.
  foreach (array_keys($modules['install']) as $module) {
    if (!drupal_check_module($module)) {
      unset($modules['install'][$module]);
      unset($modules['experimental'][$module]);
      foreach (array_keys($data[$module]->required_by) as $dependent) {
        unset($modules['install'][$dependent]);
        unset($modules['dependencies'][$dependent]);
      }
    }
  }
  return $modules;
}