<?php
  /**************************************************************************\
  * phpGroupWare - administration                                            *
  * http://www.phpgroupware.org                                              *
  * --------------------------------------------                             *
  *  This program is free software; you can redistribute it and/or modify it *
  *  under the terms of the GNU General Public License as published by the   *
  *  Free Software Foundation; either version 2 of the License, or (at your  *
  *  option) any later version.                                              *
  \**************************************************************************/

  /* $Id$ */

  $phpgw_info = array();
  if ($submit) {
     $phpgw_info["flags"] = array("noheader" => True, "nonavbar" => True);
  }
  $phpgw_info["flags"]["currentapp"] = "admin";
  include("../header.inc.php");

  function is_odd($n)
  {
     $ln = substr($n,-1);
     if ($ln == 1 || $ln == 3 || $ln == 5 || $ln == 7 || $ln == 9) {
        return True;
     } else {
        return False;
     }
  }
  
  if (! $group_id) {
     Header("Location: " . $phpgw->link("groups.php"));
  }

  if ($submit) {
     $old_group_name = $phpgw->accounts->id2name($group_id);

     if($n_group != $old_group_name) {
       $phpgw->db->query("SELECT count(*) FROM phpgw_accounts WHERE account_lid='" . $n_group . "'",__LINE__,__FILE__);
       $phpgw->db->next_record();

       if ($phpgw->db->f(0) == 2) {
         $error = lang("Sorry, that group name has already been taken.");
       }
     }

     if (! $error) {
        $phpgw->db->lock(Array('phpgw_accounts','phpgw_preferences','phpgw_config','phpgw_applications','phpgw_hooks','phpgw_sessions','phpgw_acl'));
        $apps = CreateObject('phpgwapi.applications',intval($group_id));
        $apps_before = $apps->read_account_specific();
        $apps->update_data(Array());
        $new_apps = Array();
        if(isset($n_group_permissions)) {
          reset($n_group_permissions);
          while($app = each($n_group_permissions)) {
            if($app[1]) {
              $apps->add($app[0]);
              if(!$apps_before[$app[0]]) {
                $new_apps[] = $app[0];
              }
            }
          }
        }
        $apps->save_repository();

        if($old_group_name <> $n_group) {
          $phpgw->db->query("UPDATE phpgw_accounts SET account_lid='$n_group' WHERE account_id=$group_id",__LINE__,__FILE__);
        }

        $acl = CreateObject('phpgwapi.acl',$group_id);
        $acl->read_repository();
        $old_group_list = $acl->get_ids_for_location($group_id,1,'phpgw_group');
        @reset($old_group_list);
        while($old_group_list && $user_id = each($old_group_list)) {
          $acl->delete_repository('phpgw_group',$group_id,$user_id[1]);
        }

        for ($i=0; $i<count($n_users);$i++) {
          $acl->add_repository('phpgw_group',$group_id,$n_users[$i],1);

          // If the user is logged in, it will force a refresh of the session_info
          $phpgw->db->query("update phpgw_sessions set session_action='' "
                            ."where session_lid='" . $phpgw->accounts->id2name(intval($n_users[$i])) . "@" . $phpgw_info["user"]["domain"] . "'",__LINE__,__FILE__);

          // The following sets any default preferences needed for new applications..
          // This is smart enough to know if previous preferences were selected, use them.
          $docommit = False;
          if($new_apps) {
            $pref = CreateObject('phpgwapi.preferences',intval($n_users[$i]));
            $t = $pref->read_repository();

            for ($j=1;$j<count($new_apps) - 1;$j++) {
              if($new_apps[$j]=='admin') {
                $check = 'common';
              } else {
                $check = $new_apps[$j];
              }
              if (!$t[$check]) {
                $phpgw->common->hook_single('add_def_pref', $new_apps[$j]);
                $docommit = True;
              }
            }
          }
          if ($docommit) {
            $pref->save_repository();
          }
        }

        if ($old_group_name <> $n_group) {
          $basedir = $phpgw_info['server']['files_dir'] . SEP . 'groups' . SEP;
          if (! @rename($basedir . $old_group_name, $basedir . $n_group)) {
            $cd = 39;
          } else {
            $cd = 33;
          }
        } else {
          $cd = 33;
        }

        $phpgw->db->unlock();

        Header('Location: ' . $phpgw->link('groups.php','cd='.$cd));
        $phpgw->common->phpgw_exit();
     }
  }

  $p = CreateObject('phpgwapi.Template',$phpgw->common->get_tpl_dir('admin'));
  
  $p->set_file(array('form'	=> 'groups_form.tpl'));
  
  if ($error) {
     $phpgw->common->phpgw_header();
     echo parse_navbar();
     $p->set_var('error','<p><center>'.$error.'</center>');
  } else {
     $p->set_var('error','');
  }

  if ($submit) {
//     $p->set_var('group_name_value',$n_group_name);

     for ($i=0; $i<count($n_users); $i++) {
        $selected_users[$n_user[$i]] = ' selected';
     }
  } else {
     $group_user = $phpgw->acl->get_ids_for_location($group_id,1,'phpgw_group');

     while ($user = each($group_user)) {
        $selected_users[intval($user[1])] = ' selected';
     }

     $apps = CreateObject('phpgwapi.applications',intval($group_id));
     $db_perms = $apps->read_account_specific();
  }

  $p->set_var('form_action',$phpgw->link('editgroup.php'));
  $p->set_var('hidden_vars','<input type="hidden" name="group_id" value="' . $group_id . '">');

  $p->set_var('lang_group_name',lang('group name'));
  $p->set_var('group_name_value',$phpgw->accounts->id2name($group_id));

  $phpgw->db->query("SELECT count(*) FROM phpgw_accounts WHERE account_status !='L' AND account_type='u'");
  $phpgw->db->next_record();

  if ($phpgw->db->f(0) < 5) {
     $p->set_var('select_size',$phpgw->db->f(0));
  } else {
     $p->set_var('select_size','5');
  }

  $p->set_var('lang_include_user',lang('Select users for inclusion'));
  $phpgw->db->query("SELECT account_id,account_firstname,account_lastname,account_lid FROM phpgw_accounts WHERE "
	  	        . "account_status != 'L' AND account_type='u' ORDER BY account_lastname,account_firstname,account_lid asc");
  while ($phpgw->db->next_record()) {
     $user_list .= '<option value="' . $phpgw->db->f('account_id') . '"'
    	        . $selected_users[intval($phpgw->db->f('account_id'))] . '>'
	            . $phpgw->common->display_fullname($phpgw->db->f('account_lid'),
						       $phpgw->db->f('account_firstname'),
						       $phpgw->db->f('account_lastname')) . '</option>';
  }
  $p->set_var('user_list',$user_list);

  $p->set_var("lang_permissions",lang("Permissions this group has"));

  $i = 0;
  reset($phpgw_info["apps"]);
  $sorted_apps = $phpgw_info["apps"];
  @asort($sorted_apps);
  @reset($sorted_apps);
  while ($permission = each($sorted_apps)) {
     if ($permission[1]["enabled"]) {
        $perm_display[$i][0] = $permission[0];
        $perm_display[$i][1] = $permission[1]["title"];
        $i++;
     }
  }

  $perm_html = "";
  for ($i=0;$i<200;) {     // The $i<200 is only used for a brake
     if (! $perm_display[$i][1]) break;
     $perm_html .= '<tr bgcolor="'.$phpgw_info["theme"]["row_on"].'"><td>' . lang($perm_display[$i][1]) . '</td>'
                 . '<td><input type="checkbox" name="n_group_permissions['
                 . $perm_display[$i][0] . ']" value="True"';
     if ($n_group_permissions[$perm_display[$i][0]] || $db_perms[$perm_display[$i][0]]) {
        $perm_html .= " checked";
     }
     $perm_html .= "></td>";
     $i++;

     if ($i == count($perm_display) && is_odd(count($perm_display))) {
        $perm_html .= '<td colspan="2">&nbsp;</td></tr>';
     }

     if (! $perm_display[$i][1]) break;
     $perm_html .= '<td>' . lang($perm_display[$i][1]) . '</td>'
                 . '<td><input type="checkbox" name="n_group_permissions['
                 . $perm_display[$i][0] . ']" value="True"';
     if ($n_group_permissions[$perm_display[$i][0]] || $db_perms[$perm_display[$i][0]]) {
        $perm_html .= " checked";
     }
     $perm_html .= "></td></tr>\n";
     $i++;
  }

  $p->set_var("permissions_list",$perm_html);	
  
  $p->set_var("lang_submit_button",lang("submit changes"));

  $p->pparse("out","form");

  $phpgw->common->phpgw_footer();
?>