class UpdateTestHooks

class UpdateTestHooks {
    
    /**
     * Implements hook_system_info_alter().
     *
     * Checks the 'update_test.settings:system_info' configuration and sees if we
     * need to alter the system info for the given $file based on the setting. The
     * setting is expected to be a nested associative array. If the key '#all' is
     * defined, its subarray will include .info.yml keys and values for all modules
     * and themes on the system. Otherwise, the settings array is keyed by the
     * module or theme short name ($file->name) and the subarrays contain settings
     * just for that module or theme.
     */
    public function systemInfoAlter(&$info, Extension $file) {
        $setting = \Drupal::config('update_test.settings')->get('system_info');
        foreach ([
            '#all',
            $file->getName(),
        ] as $id) {
            if (!empty($setting[$id])) {
                foreach ($setting[$id] as $key => $value) {
                    $info[$key] = $value;
                }
            }
        }
    }
    
    /**
     * Implements hook_update_status_alter().
     *
     * Checks the 'update_test.settings:update_status' configuration and sees if we
     * need to alter the update status for the given project based on the setting.
     * The setting is expected to be a nested associative array. If the key '#all'
     * is defined, its subarray will include .info.yml keys and values for all modules
     * and themes on the system. Otherwise, the settings array is keyed by the
     * module or theme short name and the subarrays contain settings just for that
     * module or theme.
     */
    public function updateStatusAlter(&$projects) {
        $setting = \Drupal::config('update_test.settings')->get('update_status');
        if (!empty($setting)) {
            foreach ($projects as $project_name => &$project) {
                foreach ([
                    '#all',
                    $project_name,
                ] as $id) {
                    if (!empty($setting[$id])) {
                        foreach ($setting[$id] as $key => $value) {
                            $project[$key] = $value;
                        }
                    }
                }
            }
        }
    }
    
    /**
     * Implements hook_filetransfer_info().
     */
    public function filetransferInfo() {
        // Define a test file transfer method, to ensure that there will always be at
        // least one method available in the user interface (regardless of the
        // environment in which the update manager tests are run).
        return [
            'system_test' => [
                'title' => t('Update Test FileTransfer'),
                'class' => 'Drupal\\update_test\\TestFileTransferWithSettingsForm',
                'weight' => -20,
            ],
        ];
    }

}