<?php
/* $Id$ */

function playground_admin_user_menu($may_cache) {

        global $user;

        $items = array();

        $admin_access = user_access('administer users');
        $access_access = user_access('administer access control');
        $view_access = user_access('access user profiles');

        if ($may_cache) {
                $items[] = array('path' => 'admin/user/user', 'title' => t('Users'),
                'description' => t('List, add, and edit users. (Modified for playground)'),
                'callback' => 'playground_admin_user_admin', 'callback arguments' => array('list'), 'access' => $admin_access);

        }

        return $items;
}

function playground_admin_user_admin($callback_arg = '') {
  $op = isset($_POST['op']) ? $_POST['op'] : $callback_arg;

  switch ($op) {
    case 'search':
    case t('Search'):
      $output = drupal_get_form('search_form', url('admin/user/search'), $_POST['keys'], 'user') . search_data($_POST['keys'], 'user');
      break;
    case t('Create new account'):
    case 'create':
      $output = drupal_get_form('user_register');
      break;
    default:
      if ($_POST['accounts'] && $_POST['operation'] == 'delete') {
        $output = drupal_get_form('user_multiple_delete_confirm');
      }
      else {
        $output = drupal_get_form('user_filter_form');
        $output .= drupal_get_form('playground_admin_user_admin_account');
      }
  }
  return $output;
}


function playground_admin_user_admin_account() {
  $filter = user_build_filter_query();

  $header = array(
    array(),
    array('data' => t('Username'), 'field' => 'u.name'),
    array('data' => t('E-mail'), 'field' => 'u.mail'),
    array('data' => t('Status'), 'field' => 'u.status'),
    t('Roles'),
    array('data' => t('Member for'), 'field' => 'u.created', 'sort' => 'desc'),
    Array('data' => t('Last access'), 'field' => 'u.access'),
    t('Operations')
  );

  $sql = 'SELECT DISTINCT u.uid, u.name, u.status, u.created, u.mail, u.access FROM {users} u LEFT JOIN {users_roles} ur ON u.uid = ur.uid '. $filter['join'] .' WHERE u.uid != 0 '. $filter['where'];
  $sql .= tablesort_sql($header);
  $result = pager_query($sql, 50, 0, NULL, $filter['args']);

  $form['options'] = array(
    '#type' => 'fieldset',
    '#title' => t('Update options'),
    '#prefix' => '<div class="container-inline">',
    '#suffix' => '</div>',
  );
  $options = array();
  foreach (module_invoke_all('user_operations') as $operation => $array) {
    $options[$operation] = $array['label'];
  }
  $form['options']['operation'] = array(
    '#type' => 'select',
    '#options' => $options,
    '#default_value' => 'unblock',
  );
  $form['options']['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Update'),
  );

  $destination = drupal_get_destination();

  $status = array(t('blocked'), t('active'));
  $roles = user_roles(1);

  while ($account = db_fetch_object($result)) {
    $accounts[$account->uid] = '';
    $form['name'][$account->uid] = array('#value' => theme('username', $account));
    $form['status'][$account->uid] =  array('#value' => $status[$account->status]);
    $users_roles = array();
    $roles_result = db_query('SELECT rid FROM {users_roles} WHERE uid = %d', $account->uid);
    while ($user_role = db_fetch_object($roles_result)) {
      $users_roles[] = $roles[$user_role->rid];
    }
    asort($users_roles);
    $form['roles'][$account->uid][0] = array('#value' => theme('item_list', $users_roles));
    $form['mail'][$account->uid][0] = array('#value' => $account->mail);
    $form['member_for'][$account->uid] = array('#value' => format_interval(time() - $account->created));
    $form['last_access'][$account->uid] =  array('#value' => $account->access ? t('@time ago', array('@time' => format_interval(time() - $account->access))) : t('never'));
    $form['operations'][$account->uid] = array('#value' => l(t('edit'), "user/$account->uid/edit", array(), $destination));
  }
  }
  $form['accounts'] = array(
    '#type' => 'checkboxes',
    '#options' => $accounts
  );
  $form['pager'] = array('#value' => theme('pager', NULL, 50, 0));

  return $form;
}

/**
 * Theme user administration overview.
 */
function theme_playground_admin_user_admin_account($form) {
  // Overview table:
  $header = array(
    theme('table_select_header_cell'),
    array('data' => t('Username'), 'field' => 'u.name'),
    array('data' => t('Status'), 'field' => 'u.status'),
    array('data' => t('E-mail'), 'field' => 'u.mail'),
    t('Roles'),
    array('data' => t('Member for'), 'field' => 'u.created', 'sort' => 'desc'),
    array('data' => t('Last access'), 'field' => 'u.access'),
    t('Operations')
  );

  $output = drupal_render($form['options']);
  if (isset($form['name']) && is_array($form['name'])) {
    foreach (element_children($form['name']) as $key) {
      $rows[] = array(
        drupal_render($form['accounts'][$key]),
        drupal_render($form['name'][$key]),
        drupal_render($form['status'][$key]),
        drupal_render($form['mail'][$key]),
        drupal_render($form['roles'][$key]),
        drupal_render($form['member_for'][$key]),
        drupal_render($form['last_access'][$key]),
        drupal_render($form['operations'][$key]),
      );
    }
  }
  else  {
    $rows[] = array(array('data' => t('No users available.'), 'colspan' => '7'));
  }

  $output .= theme('table', $header, $rows);
  if ($form['pager']['#value']) {
    $output .= drupal_render($form['pager']);
  }

  $output .= drupal_render($form);

  return $output;
}