<?php

/*

 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

 * Copyright (C) 2006-2009 Dan Fuhry

 *

 * This program is Free Software; you can redistribute 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.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

 */

// Usergroup editor

function page_Admin_GroupManager()

{

  global $db, $session, $paths, $template, $plugins; // Common objects

  global $lang;

  if ( $session->auth_level < USER_LEVEL_ADMIN || $session->user_level < USER_LEVEL_ADMIN )

  {

    $login_link = makeUrlNS('Special', 'Login/' . $paths->nslist['Special'] . 'Administration', 'level=' . USER_LEVEL_ADMIN, true);

    echo '<h3>' . $lang->get('adm_err_not_auth_title') . '</h3>';

    echo '<p>' . $lang->get('adm_err_not_auth_body', array( 'login_link' => $login_link )) . '</p>';

    return;

  }

  if(isset($_POST['do_create_stage1']))

  {

    if(!preg_match('/^([A-z0-9 -]+)$/', $_POST['create_group_name']))

    {

      echo '<p>' . $lang->get('acpug_err_group_name_invalid') . '</p>';

      return;

    }

    echo '<form action="'.makeUrl($paths->nslist['Special'].'Administration', 'module='.$paths->cpage['module']).'" method="post" onsubmit="if(!submitAuthorized) return false;" enctype="multipart/form-data">';

    echo '<div class="tblholder">

          <table border="0" style="width:100%;" cellspacing="1" cellpadding="4">

          <tr><th colspan="2">' . $lang->get('acpug_heading_creating_group') . ' '.htmlspecialchars($_POST['create_group_name']).'</th></tr>

          <tr>

            <td class="row1">' . $lang->get('acpug_field_group_mod') . '</td><td class="row1">' . $template->username_field('group_mod') . '</td>

          </tr>

          <tr><td class="row2">' . $lang->get('acpug_field_group_type') . '</td><td class="row2">

            <label><input type="radio" name="group_status" value="'.GROUP_CLOSED.'" checked="checked" /> ' . $lang->get('groupcp_type_hidden') . '</label><br />

            <label><input type="radio" name="group_status" value="'.GROUP_REQUEST.'" /> ' . $lang->get('groupcp_type_closed') . '</label><br />

            <label><input type="radio" name="group_status" value="'.GROUP_OPEN.'" /> ' . $lang->get('groupcp_type_request') . '</label><br />

            <label><input type="radio" name="group_status" value="'.GROUP_HIDDEN.'" /> ' . $lang->get('groupcp_type_open') . '</label>

          </td></tr>

          <tr>

            <th class="subhead" colspan="2">

              <input type="hidden" name="create_group_name" value="'.htmlspecialchars($_POST['create_group_name']).'" />

              <input type="submit" name="do_create_stage2" value="' . $lang->get('acpug_btn_create_stage2') . '" />

            </th>

          </tr>

          </table>

          </div>';

    echo '</form>';

    return;

  }

  elseif(isset($_POST['do_create_stage2']))

  {

    if(!preg_match('/^([A-z0-9 -]+)$/', $_POST['create_group_name']))

    {

      echo '<p>' . $lang->get('acpug_err_group_name_invalid') . '</p>';

      return;

    }

    if(!in_array(intval($_POST['group_status']), Array(GROUP_CLOSED, GROUP_OPEN, GROUP_HIDDEN, GROUP_REQUEST)))

    {

      echo '<p>Hacking attempt</p>';

      return;

    }

    $e = $db->sql_query('SELECT group_id FROM '.table_prefix.'groups WHERE group_name=\''.$db->escape($_POST['create_group_name']).'\';');

    if(!$e)

    {

      echo $db->get_error();

      return;

    }

    if($db->numrows() > 0)

    {

      echo '<p>' . $lang->get('acpug_err_already_exist') . '</p>';

      return;

    }

    $db->free_result();

    $q = $db->sql_query('INSERT INTO '.table_prefix.'groups(group_name,group_type) VALUES( \''.$db->escape($_POST['create_group_name']).'\', ' . intval($_POST['group_status']) . ' )');

    if(!$q)

    {

      echo $db->get_error();

      return;

    }

    $e = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE username=\''.$db->escape($_POST['group_mod']).'\';');

    if(!$e)

    {

      echo $db->get_error();

      return;

    }

    if($db->numrows() < 1)

    {

      echo '<p>' . $lang->get('acpug_err_bad_username') . '</p>';

      return;

    }

    $row = $db->fetchrow();

    $id = $row['user_id'];

    $db->free_result();

    $e = $db->sql_query('SELECT group_id FROM '.table_prefix.'groups WHERE group_name=\''.$db->escape($_POST['create_group_name']).'\';');

    if(!$e)

    {

      echo $db->get_error();

      return;

    }

    if($db->numrows() < 1)

    {

      echo '<p>' . $lang->get('acpug_err_bad_insert_id') . '</p>';

      return;

    }

    $row = $db->fetchrow();

    $gid = $row['group_id'];

    $db->free_result();

    $e = $db->sql_query('INSERT INTO '.table_prefix.'group_members(group_id,user_id,is_mod) VALUES('.$gid.', '.$id.', 1);');

    if(!$e)

    {

      echo $db->get_error();

      return;

    }

    $g_name = htmlspecialchars($_POST['create_group_name']);

    echo "<div class='info-box'>

            <b>" . $lang->get('acpug_heading_info') . "</b><br />

            " . $lang->get('acpug_msg_create_success', array('g_name' => $g_name)) . "

          </div>";

  }

  if(isset($_POST['do_edit']) || isset($_POST['edit_do']))

  {

    // Fetch the group name

    $q = $db->sql_query('SELECT group_name,system_group,group_rank FROM '.table_prefix.'groups WHERE group_id='.intval($_POST['group_edit_id']).';');

    if(!$q)

    {

      echo $db->get_error();

      return;

    }

    if($db->numrows() < 1)

    {

      echo '<p>Error: couldn\'t look up group name</p>';

    }

    $row = $db->fetchrow();

    $name = htmlspecialchars($row['group_name']);

    $db->free_result();

    if(isset($_POST['edit_do']))

    {

      if(isset($_POST['edit_do']['del_group']))

      {

        if ( $row['system_group'] == 1 )

        {

          echo '<div class="error-box">' . $lang->get('acpug_err_nodelete_system_group', array('g_name' => $name)) . '</div>';

        }

        else

        {

          $q = $db->sql_query('DELETE FROM '.table_prefix.'group_members WHERE group_id='.intval($_POST['group_edit_id']).';');

          if(!$q)

          {

            echo $db->get_error();

            return;

          }

          $q = $db->sql_query('DELETE FROM '.table_prefix.'groups WHERE group_id='.intval($_POST['group_edit_id']).';');

          if(!$q)

          {

            echo $db->get_error();

            return;

          }

          echo '<div class="info-box">' . $lang->get('acpug_msg_delete_success', array('g_name' => $name, 'a_flags' => 'href="javascript:ajaxPage(\'' . $paths->nslist['Admin'] . 'GroupManager\');"')) . '</div>';

          return;

        }

      }

      if(isset($_POST['edit_do']['save_name']))

      {

        if(!preg_match('/^([A-z0-9 -]+)$/', $_POST['group_name']))

        {

          echo '<p>' . $lang->get('acpug_err_group_name_invalid') . '</p>';

          return;

        }

        // determine rank

        $group_rank =& $_POST['group_rank'];

        if ( $_POST['group_rank'] !== 'NULL' )

        {

          $group_rank = intval($group_rank);

          if ( empty($group_rank) )

          {

            echo '<p>Hacked rank ID</p>';

            return;

          }

        }

        $row['group_rank'] = $group_rank;

        $q = $db->sql_query('UPDATE '.table_prefix.'groups SET group_name=\''.$db->escape($_POST['group_name']).'\',group_rank = ' . $group_rank . '

            WHERE group_id='.intval($_POST['group_edit_id']).';');

        if(!$q)

        {

          echo $db->get_error();

          return;

        }

        else

        {

          echo '<div class="info-box" style="margin: 0 0 10px 0;"">

                  ' . $lang->get('acpug_msg_name_update_success') . '

                </div>';

        }

        $name = htmlspecialchars($_POST['group_name']);

      }

      $q = $db->sql_query('SELECT member_id FROM '.table_prefix.'group_members

                             WHERE group_id='.intval($_POST['group_edit_id']).';');

      if(!$q)

      {

        echo $db->get_error();

        return;

      }

      if($db->numrows() > 0)

      {

        while($delrow = $db->fetchrow($q))

        {

          if(isset($_POST['edit_do']['del_' . $delrow['member_id']]))

          {

            $e = $db->sql_query('DELETE FROM '.table_prefix.'group_members WHERE member_id='.$delrow['member_id']);

            if(!$e)

            {

              echo $db->get_error();

              return;

            }

          }

        }

      }

      $db->free_result();

      if(isset($_POST['edit_do']['add_member']))

      {

        $q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE username=\''.$db->escape($_POST['edit_add_username']).'\';');

        if(!$q)

        {

          echo $db->get_error();

          return;

        }

        if($db->numrows() > 0)

        {

          $row = $db->fetchrow();

          $user_id = $row['user_id'];

          $is_mod = ( isset( $_POST['add_mod'] ) ) ? '1' : '0';

          $q = $db->sql_query('INSERT INTO '.table_prefix.'group_members(group_id,user_id,is_mod) VALUES('.intval($_POST['group_edit_id']).','.$user_id.','.$is_mod.');');

          if(!$q)

          {

            echo $db->get_error();

            return;

          }

          else

          {

            echo '<div class="info-box" style="margin: 0 0 10px 0;"">

                    ' . $lang->get('acpug_msg_user_added', array('username' => htmlspecialchars($_POST['edit_add_username']))) . '

                  </div>';

          }

        }

        else

          echo '<div class="warning-box">' . $lang->get('acpug_err_username_not_exist', array('username' => htmlspecialchars($_POST['edit_add_username']))) . '</div>';

      }

      generate_cache_userranks();

    }

    $sg_disabled = ( $row['system_group'] == 1 ) ?

             ' value="' . $lang->get('acpug_btn_cant_delete') . '" disabled="disabled" style="color: #FF9773" ' :

             ' value="' . $lang->get('acpug_btn_delete_group') . '" style="color: #FF3713" ';

    // build rank list

    $q = $db->sql_query('SELECT rank_id, rank_title FROM ' . table_prefix . 'ranks');

    if ( !$q )

      $db->_die();

    $rank_list = '<option value="NULL"' . ( $row['group_rank'] === NULL ? ' selected="selected"' : '' ) . '>--</option>' . "\n";

    while ( $rank_row = $db->fetchrow() )

    {

      $rank_list .= '<option value="' . $rank_row['rank_id'] . '"' . ( $rank_row['rank_id'] == $row['group_rank'] ? ' selected="selected"' : '' ) . '>' . htmlspecialchars($lang->get($rank_row['rank_title'])) . '</option>' . "\n";

    }

    echo '<form action="'.makeUrl($paths->nslist['Special'].'Administration', 'module='.$paths->cpage['module']).'" method="post" onsubmit="if(!submitAuthorized) return false;" enctype="multipart/form-data">';

    echo '<div class="tblholder">

          <table border="0" style="width:100%;" cellspacing="1" cellpadding="4">

          <tr><th>' . $lang->get('acpug_heading_edit_name') . '</th></tr>

          <tr>

            <td class="row1">

              ' . $lang->get('acpug_field_group_name') . ' <input type="text" name="group_name" value="'.$name.'" />

            </td>

          </tr>

          <tr>

            <td class="row1">

              ' . $lang->get('acpug_field_group_rank') . ' <select name="group_rank" />' . $rank_list . '</select>

            </td>

          </tr>

          <tr>

            <th class="subhead">

              <input type="submit" name="edit_do[save_name]" value="' . $lang->get('acpug_btn_save_name') . '" />

              <input type="submit" name="edit_do[del_group]" '.$sg_disabled.' />

            </th>

          </tr>

          </table>

          </div>

          <input type="hidden" name="group_edit_id" value="'.htmlspecialchars($_POST['group_edit_id']).'" />';

    echo '</form>';

    echo '<form action="'.makeUrl($paths->nslist['Special'].'Administration', 'module='.$paths->cpage['module']).'" method="post" onsubmit="if(!submitAuthorized) return false;" enctype="multipart/form-data">';

    echo '<div class="tblholder">

          <table border="0" style="width:100%;" cellspacing="1" cellpadding="4">

          <tr><th colspan="3">' . $lang->get('acpug_heading_edit_members') . '</th></tr>';

    $q = $db->sql_query('SELECT m.member_id,m.is_mod,u.username FROM '.table_prefix.'group_members AS m

                           LEFT JOIN '.table_prefix.'users AS u

                             ON u.user_id=m.user_id

                             WHERE m.group_id='.intval($_POST['group_edit_id']).'

                           ORDER BY m.is_mod DESC, u.username ASC;');

    if(!$q)

    {

      echo $db->get_error();

      return;

    }

    if($db->numrows() < 1)

    {

      echo '<tr><td colspan="3" class="row1">' . $lang->get('acpug_msg_no_members') . '</td></tr>';

    }

    else

    {

      $cls = 'row2';

      while($row = $db->fetchrow())

      {

        $cls = ( $cls == 'row1' ) ? 'row2' : 'row1';

        $mod = ( $row['is_mod'] == 1 ) ? $lang->get('acpug_lbl_member_mod') : '';

        echo '<tr>

                <td class="'.$cls.'" style="width: 100%;">

                  ' . $row['username'] . '

                </td>

                <td class="'.$cls.'">

                  '.$mod.'

                </td>

                <td class="'.$cls.'">

                  <input type="submit" name="edit_do[del_'.$row['member_id'].']" value="' . $lang->get('acpug_btn_remove_member') . '" />

                </td>

              </tr>';

      }

    }

    $db->free_result();

    echo '</table>

          </div>

          <input type="hidden" name="group_edit_id" value="'.htmlspecialchars($_POST['group_edit_id']).'" />';

    echo '</form>';

    echo '<form action="'.makeUrl($paths->nslist['Special'].'Administration', 'module='.$paths->cpage['module']).'" method="post" onsubmit="if(!submitAuthorized) return false;" enctype="multipart/form-data">';

    echo '<div class="tblholder">

          <table border="0" style="width:100%;" cellspacing="1" cellpadding="4">

            <tr>

              <th>' . $lang->get('acpug_heading_add_member') . '</th>

            </tr>

            <tr>

              <td class="row1">

                ' . $lang->get('acpug_field_username') . ' ' . $template->username_field('edit_add_username') . '

              </td>

            </tr>

            <tr>

              <td class="row2">

                <label><input type="checkbox" name="add_mod" /> ' . $lang->get('acpug_field_make_mod') . '</label>

                ' . $lang->get('acpug_field_make_mod_hint') . '

              </td>

            </tr>

            <tr>

              <th class="subhead">

                <input type="submit" name="edit_do[add_member]" value="' . $lang->get('acpug_btn_add_user') . '" />

              </th>

            </tr>

          </table>

          </div>

          <input type="hidden" name="group_edit_id" value="'.htmlspecialchars($_POST['group_edit_id']).'" />';

    echo '</form>';

    return;

  }

  echo '<h3>' . $lang->get('acpug_heading_main') . '</h3>';

  echo '<form action="'.makeUrl($paths->nslist['Special'].'Administration', 'module='.$paths->cpage['module']).'" method="post" onsubmit="if(!submitAuthorized) return false;" enctype="multipart/form-data">';

  $q = $db->sql_query('SELECT group_id,group_name FROM '.table_prefix.'groups ORDER BY group_name ASC;');

  if(!$q)

  {

    echo $db->get_error();

  }

  else

  {

    echo '<div class="tblholder">

          <table border="0" cellspacing="1" cellpadding="4" style="width: 100%;">

          <tr>

          <th>' . $lang->get('acpug_heading_edit_existing') . '</th>

          </tr>';

    echo '<tr><td class="row2"><select name="group_edit_id">';

    while ( $row = $db->fetchrow() )

    {

      if ( $row['group_name'] != 'Everyone' )

      {

        echo '<option value="' . $row['group_id'] . '">' . htmlspecialchars( $row['group_name'] ) . '</option>';

      }

    }

    $db->free_result();

    echo '</select></td></tr>';

    echo '<tr><td class="row1" style="text-align: center;"><input type="submit" name="do_edit" value="' . $lang->get('acpug_btn_edit_stage1') . '" /></td></tr>

          </table>

          </div>

          </form><br />';

  }

  echo '<form action="'.makeUrl($paths->nslist['Special'].'Administration', 'module='.$paths->cpage['module']).'" method="post" onsubmit="if(!submitAuthorized) return false;" enctype="multipart/form-data">';

  echo '<div class="tblholder">

        <table border="0" cellspacing="1" cellpadding="4" style="width: 100%;">

        <tr>

        <th colspan="2">' . $lang->get('acpug_heading_create_new') . '</th>

        </tr>';

  echo '<tr><td class="row2">' . $lang->get('acpug_field_group_name') . '</td><td class="row2"><input type="text" name="create_group_name" /></td></tr>';

  echo '<tr><td colspan="2" class="row1" style="text-align: center;"><input type="submit" name="do_create_stage1" value="' . $lang->get('acpug_btn_create_stage1') . ' &raquo;" /></td></tr>

        </table>

        </div>';

  echo '</form>';

}

?>