<?php
function admin_free_title() {
  return _("Free angels");
}

function admin_free() {
  global $privileges;

  $search = "";
  if (isset ($_REQUEST['search']))
    $search = strip_request_item('search');

  $angeltypesearch = "";
  if (empty ($_REQUEST['angeltype']))
    $_REQUEST['angeltype'] = '';
  else {
    $angeltypesearch = " INNER JOIN `UserAngelTypes` ON (`UserAngelTypes`.`angeltype_id` = '" . sql_escape($_REQUEST['angeltype']) . "' AND `UserAngelTypes`.`user_id` = `User`.`UID`";
    if (isset ($_REQUEST['confirmed_only']))
      $angeltypesearch .= " AND `UserAngelTypes`.`confirm_user_id`";
    $angeltypesearch .= ") ";
  }

  $angel_types_source = sql_select("SELECT `id`, `name` FROM `AngelTypes` ORDER BY `name`");
  $angel_types = array('' => 'alle Typen');
  foreach ($angel_types_source as $angel_type)
    $angel_types[$angel_type['id']] = $angel_type['name'];

  $users = sql_select("SELECT `User`.* FROM `User` ${angeltypesearch} LEFT JOIN `ShiftEntry` ON `User`.`UID` = `ShiftEntry`.`UID` LEFT JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID` AND `Shifts`.`start` < " . sql_escape(time()) . " AND `Shifts`.`end` > " . sql_escape(time()) . ") WHERE `User`.`Gekommen` = 1 AND `Shifts`.`SID` IS NULL GROUP BY `User`.`UID` ORDER BY `Nick`");

  $table = "";
  if ($search == "")
    $tokens = array ();
  else
    $tokens = explode(" ", $search);
  foreach ($users as $usr) {
    if (count($tokens) > 0) {
      $match = false;
      $index = join("", $usr);
      foreach ($tokens as $t)
        if (stristr($index, trim($t))) {
        $match = true;
        break;
      }
      if (!$match)
        continue;
    }
    $table .= '<tr>';
    $table .= '<td>' . User_Nick_render($usr) . '</td>';
    $table .= '<td>' . $usr['DECT'] . '</td>';
    $table .= '<td>' . $usr['jabber'] . '</td>';
    if (in_array('admin_user', $privileges))
      $table .= '<td><a href="' . page_link_to('admin_user') . '&amp;id=' . $usr['UID'] . '">edit</a></td>';
    else
      $table .= '<td>' . User_Nick_render($usr) . '</td>';

    $table .= '</tr>';
  }
  return template_render('../templates/admin_free.html', array (
    'search' => $search,
    'angeltypes' => html_select_key('angeltype', 'angeltype', $angel_types, $_REQUEST['angeltype']),
    'confirmed_only' => isset($_REQUEST['confirmed_only'])? 'checked' : '',
    'table' => $table,
    'link' => page_link_to('admin_free')
  ));
}
?>
