<?php
// $Id$

/**
*@file
*Support for dubious legal agreement during user registration.
*/

/**
* Implementation of hook_user().
*/
function legalagree_user($op, &$edit, &$user, $category = NULL){
    switch($op) {
        // User is registering.
        case 'register':
        // Add a fieldset containing radio buttons to the
        // user registration form.
        $fields['legal_agreement'] = array(
        '#type' => 'fieldset',
        '#title' => t ('Legal Agreement')
        );
        $fields['legal_agreement']['decision'] = array(
          '#type' => 'radios',
          '#description' => t('Registrandoti a %site-name, accetti le condizioni
          della nostra carta della privacy. Ai sensi delle leggi esempio.
          inserire tutto il testo che serve.',
          array('%site-name' => variable_get('site_name','drupal'))),
          '#default_value' => 0,
          '#options' => array(t('Non accetto'), t('Accetto')),
          );
          return $fields;

          // Fields values for registration are being checked.
          case 'validate':
          //Make sure the user selected radio button 1 ('Accetto')
          // The validate op is reused when a user updates information on
          // the 'My account' page, so we use isset() to test whether we are
          // on the registration page where the decision field is present.
          if (isset($edit['decision']) && $edit['decision'] != '1') {
            form_set_error('decision', t('Devi accettare le condizioni prima
            che la registrazione sia complete.'));
          }
          break;
          // New user has just been inserted into the database.
          case 'insert':
          // Record information for future lawsuit.
          watchdog('user', t('User %user agreed to legal terms',
          array('%user' => $user->name)));
          break;
    }
}