<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery                           |
// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
// | Copyright (C) 2003-2004 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch        : BSF (Best So Far)
// | file          : $RCSfile$
// | last update   : $Date$
// | last modifier : $Author$
// | revision      : $Revision$
// +-----------------------------------------------------------------------+
// | 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                                          |
// |                                                                       |
// | 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 more details.                              |
// |                                                                       |
// | You should have received a copy of the GNU General Public License     |
// | along with this program; if not, write to the Free Software           |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA.                                                                  |
// +-----------------------------------------------------------------------+

//--------------------------------------------------------------------- include
define('PHPWG_ROOT_PATH','./');
include_once( PHPWG_ROOT_PATH.'include/common.inc.php' );
//-------------------------------------------------- access authorization check
check_login_authorization();
//------------------------------------------------------------------ form check
$errors = array();
$search = array();
if (isset($_POST['submit']))
{
  if ($_POST['search_allwords'] &&
   !preg_match('/^\s*$/', $_POST['search_allwords']))
  {
    $local_search = array();
	$search_keywords = $_POST['search_allwords'];
	$drop_char_match =   array('-', '^', '$', ';', '#', '&', '(', ')', '<', '>',
	  '`', '\'', '"', '|', ',', '@', '_', '?', '%', '~', '.', '[', ']', '{', '}', 
	  ':', '\\', '/', '=', '\'', '!', '*');
	$drop_char_replace = array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
	  '',  '',   ' ', ' ', ' ', ' ', '',  ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '
	  , ' ', '' ,  ' ', ' ', ' ',  ' ', ' ');
	$search_keywords = str_replace($drop_char_match, $drop_char_replace, $search_keywords);
	
	// Split words
	$words = preg_split('#\s+#', $search_keywords);
    $words = array_unique($words);
	$search['fields']['allwords'] = array();
	$search['fields']['allwords']['words'] =$words;
	$search['fields']['allwords']['mode']= $_POST['mode'];
  }
  
  if ($_POST['search_author'])
  {
    $search['fields']['author'] = array();
    $search['fields']['author']['words'] = array($_POST['search_author']);
  }
  
  if (isset($_POST['cat']))
  {
    $search['fields']['cat'] = array();
    $search['fields']['cat']['words'] = $_POST['cat'];
    if (isset($_POST['subcats-included']))
    {
      $search['fields']['cat']['mode'] = 'sub_inc';
    }
  }
  
  if (!empty($_POST['start_year']))
 {
  $type_date = $_POST['date_type'];

  // start event
  $date = $_POST['start_year'].'.'.$_POST['start_month'].'.'.$_POST['start_day'];
  $search['fields'][$type_date]['words'] = array($date);
  
  // duration
  $search_duration = 0;
  if ( !empty($date) && !empty( $_POST['end_year']) )
  {
	$end_date = $_POST['end_year'].'.'.$_POST['end_month'].'.'.$_POST['end_day'];
	$search['fields'][$type_date]['mode'] =  $end_date;
  }
 }
  // search string (for URL) creation
  $search_string = '';
  $tokens = array();
  if (!empty($search))
  {
  foreach (array_keys($search['fields']) as $field)
  {
    $token = $field.':';
    $token.= implode(',', $search['fields'][$field]['words']);
    if (isset($search['fields'][$field]['mode']))
    {
      $token.= '~'.$search['fields'][$field]['mode'];
    }
    array_push($tokens, $token);
  }
  $search_string.= implode(';', $tokens);
  if (count($tokens) > 1)
  {
    $search_string.= '|AND';
  }
  }
  else
  {
    array_push($errors, $lang['search_one_clause_at_least']);
  }
}
//----------------------------------------------------------------- redirection
if (isset($_POST['submit']) and count($errors) == 0)
{
  $url = 'category.php?cat=search&search='.$search_string;
  $url = add_session_id($url, true);
  redirect($url);
}

//----------------------------------------------------- template initialization
// day list
$start_day = '<select name="start_day">';
for ($i=0; $i <= 31; $i++)
{
	$start_day .= '<option value="' . $i . '" >' . ( ($i == 0) ? ' -- ' : str_pad($i, 2, '0', STR_PAD_LEFT) ) . '</option>';
}
$start_day .= '</select>';

// month list
$start_month = '<select name="start_month">';
$start_month .= '<option value="0"> ------------ </option>';
for ($i=1; $i <= 12; $i++)
{
	$start_month .= '<option value="' . $i . '">' . $lang['month'][$i] . '</option>';
}
$start_month .= '</select>';

// day list
$end_day = '<select name="end_day">';
for ($i=0; $i <= 31; $i++)
{
	$end_day .= '<option value="' . $i . '" >' . ( ($i == 0) ? ' -- ' : str_pad($i, 2, '0', STR_PAD_LEFT) ) . '</option>';
}
$end_day .= '</select>';

// month list
$end_month = '<select name="end_month">';
$end_month .= '<option value="0"> ------------ </option>';
for ($i=1; $i <= 12; $i++)
{
	$end_month .= '<option value="' . $i . '">' . $lang['month'][$i] . '</option>';
}
$end_month .= '</select>';

//
// Start output of page
//
$title= $lang['search_title'];
include(PHPWG_ROOT_PATH.'include/page_header.php');

$template->set_filenames( array('search'=>'search.tpl') );
$template->assign_vars(array(
  'L_SEARCH_TITLE' => $lang['search_title'],
  'L_SEARCH_OPTIONS' => $lang['search_options'],
  'L_RETURN' => $lang['home'],
  'L_SUBMIT' => $lang['submit'],
  'L_RESET' => $lang['reset'],
  'L_SEARCH_KEYWORDS'=>$lang['search_keywords'],
  'L_SEARCH_KEYWORDS_HINT'=>$lang['search_keywords_hint'],
  'L_SEARCH_ANY_TERMS'=>$lang['search_mode_or'],
  'L_SEARCH_ALL_TERMS'=>$lang['search_mode_and'],
  'L_SEARCH_AUTHOR'=>$lang['search_author'],
  'L_SEARCH_AUTHOR_HINT'=>$lang['search_explain'],
  'L_SEARCH_CATEGORIES'=>$lang['search_categories'],
  'L_SEARCH_CATEGORIES_HINT'=>$lang['search_categories_hint'],
  'L_SEARCH_SUBFORUMS'=>$lang['search_subcats_included'],
  'L_YES' => $lang['yes'],
  'L_NO' => $lang['no'],
  'L_SEARCH_DATE' => $lang['search_date'],
  'L_SEARCH_DATE_HINT' => $lang['search_date_hint'],
  'L_TODAY' => $lang['today'],
  'L_SEARCH_DATE_FROM'=>$lang['search_date_from'],
  'L_SEARCH_DATE_TO'=>$lang['search_date_to'],
  'L_DAYS'=>$lang['days'],
  'L_MONTH'=>$lang['w_month'],
  'L_SEARCH_DATE_TYPE'=>$lang['search_date_type'],
  'L_SEARCH_CREATION'=>$lang['search_date_creation'],
  'L_SEARCH_AVAILABILITY'=>$lang['search_date_available'],
  'L_RESULT_SORT'=>$lang['search_sort'],
  'L_SORT_ASCENDING'=>$lang['search_ascending'],
  'L_SORT_DESCENDING'=>$lang['search_descending'],
  
  'TODAY_DAY' => date('d', time()),
  'TODAY_MONTH' => date('m', time()),
  'TODAY_YEAR' => date('Y', time()),
  'E_CALENDAR_MONTH' => $end_month,
	'E_CALENDAR_DAY' => $end_day,
  'S_CALENDAR_MONTH' => $start_month,
  'S_CALENDAR_DAY' => $start_day,
  'S_SEARCH_ACTION' => add_session_id( 'search.php' ),   
  'U_HOME' => add_session_id( 'category.php' )
  )
);

//------------------------------------------------------------- categories form
$query = '
SELECT name,id,date_last,nb_images,global_rank,uppercats
  FROM '.CATEGORIES_TABLE;
  if ($user['forbidden_categories'] != '')
  {
    $query.= '
  WHERE id NOT IN ('.$user['forbidden_categories'].')';
  }
$query.= '
;';

$selecteds = array();
display_select_cat_wrapper($query, $selecteds, 'category_option', false);

//-------------------------------------------------------------- errors display
if (sizeof($errors) != 0)
{
  $template->assign_block_vars('errors',array());
  foreach ($errors as $error)
  {
    $template->assign_block_vars('errors.error',array('ERROR'=>$error));
  }
}
//------------------------------------------------------------ log informations
pwg_log( 'search', $title );
mysql_close();
$template->pparse('search');
include(PHPWG_ROOT_PATH.'include/page_tail.php');
?>