<?php
// +-----------------------------------------------------------------------+
// |                           comments.php                                |
// +-----------------------------------------------------------------------+
// | application   : PhpWebGallery <http://phpwebgallery.net>              |
// | branch        : 1.4                                                   |
// +-----------------------------------------------------------------------+
// | 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
$phpwg_root_path = './';
include_once( $phpwg_root_path.'include/common.inc.php' );

//--------------------------------------------------- number of days to display
if ( isset( $_GET['last_days'] ) ) define( 'MAX_DAYS', $_GET['last_days'] );
else                               define( 'MAX_DAYS', 0 );
//----------------------------------------- non specific section initialization
$array_cat_directories = array();
$array_cat_names       = array();
$array_cat_site_id     = array();
//------------------------------------------------------- last comments display

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

$template->set_filenames( array('comments'=>'comments.tpl') );
initialize_template();

$template->assign_vars(array(
  'L_TITLE' => $lang['title_comments'],
  'L_STATS' => $lang['stats_last_days'],
  'L_RETURN' => $lang['search_return_main_page'],
  
  'U_HOME' => add_session_id( 'category.php' )
  )
);

foreach ( $conf['last_days'] as $option ) {
  $url = './comments.php?last_days='.($option - 1);
  $template->assign_block_vars('last_day_option', array (
    'OPTION'=>$option,
	'T_STYLE'=>(( $option == MAX_DAYS + 1 )?'text-decoration:underline;':''),
	'U_OPTION'=>add_session_id( $url )
	));
}

// 1. retrieving picture ids which have comments recently added
$date = date( 'Y-m-d', time() - ( MAX_DAYS*24*60*60 ) );
list($year,$month,$day) = explode( '-', $date);
$maxtime = mktime( 0,0,0,$month,$day,$year );
$query = 'SELECT DISTINCT(ic.image_id) as image_id,';
$query .= '(ic.category_id) as category_id';
$query.= ' FROM '.PREFIX_TABLE.'comments AS c';
$query.=     ', '.PREFIX_TABLE.'image_category AS ic';
$query.= ' WHERE c.image_id = ic.image_id';
$query.= ' AND date > '.$maxtime;
$query.= " AND validated = 'true'";
// we must not show pictures of a forbidden category
if ( $user['forbidden_categories'] != '' )
{
  $query.= ' AND category_id NOT IN ';
  $query.= '('.$user['forbidden_categories'].')';
}
$query.= ' ORDER BY ic.image_id DESC';
$query.= ';';
$result = mysql_query( $query );

while ( $row = mysql_fetch_array( $result ) )
  {
    $category_id=$row['category_id'];

    // for each picture, getting informations for displaying thumbnail and
    // link to the full size picture
    $query = 'SELECT name,file,storage_category_id as cat_id,tn_ext';
    $query.= ' FROM '.IMAGES_TABLE;
    $query.= ' WHERE id = '.$row['image_id'];
    $query.= ';';
    $subresult = mysql_query( $query );
    $subrow = mysql_fetch_array( $subresult );

    if ( !isset($array_cat_directories[$subrow['cat_id']]) )
    {
      $array_cat_directories[$subrow['cat_id']] =
        get_complete_dir( $subrow['cat_id'] );
      $cat_result = get_cat_info( $subrow['cat_id'] );
      $array_cat_site_id[$subrow['cat_id']] = $cat_result['site_id'];
      $array_cat_names[$subrow['cat_id']] =
        get_cat_display_name( $cat_result['name'], ' &gt; ', '' );
    }

    $file = get_filename_wo_extension( $subrow['file'] );
    // name of the picture
    $name = $array_cat_names[$category_id].' &gt; ';
    if ( $subrow['name'] != '' ) $name.= $subrow['name'];
    else                         $name.= str_replace( '_', ' ', $file );
    $name.= ' [ '.$subrow['file'].' ]';
	// source of the thumbnail picture
    $src = $array_cat_directories[$subrow['cat_id']];
    $src.= 'thumbnail/'.$conf['prefix_thumbnail'];
    $src.= $file.'.'.$subrow['tn_ext'];
	// link to the full size picture
    $url = './picture.php?cat='.$category_id;
    $url.= '&amp;image_id='.$row['image_id'];
	
	$template->assign_block_vars('picture',array(
	  'TITLE_IMG'=>$name,
	  'I_THUMB'=>$src,
	  'U_THUMB'=>add_session_id( $url )
	  ));

    // for each picture, retrieving all comments
    $query = 'SELECT id,date,author,content';
    $query.= ' FROM '.COMMENTS_TABLE;
    $query.= ' WHERE image_id = '.$row['image_id'];
    $query.= ' AND date > '.$maxtime;
    $query.= " AND validated = 'true'";
    $query.= ' ORDER BY date DESC';
    $query.= ';';
    $handleresult = mysql_query( $query );
    while ( $subrow = mysql_fetch_array( $handleresult ) )
    {
      $author = $subrow['author'];
      if ( $subrow['author'] == '' ) $author = $lang['guest'];
      $content = nl2br( $subrow['content'] );
      
      // replace _word_ by an underlined word
      $pattern = '/_([^\s]*)_/';
      $replacement = '<span style="text-decoration:underline;">\1</span>';
      $content = preg_replace( $pattern, $replacement, $content );
      
      // replace *word* by a bolded word
      $pattern = '/\*([^\s]*)\*/';
      $replacement = '<span style="font-weight:bold;">\1</span>';
      $content = preg_replace( $pattern, $replacement, $content );

      // replace /word/ by an italic word
      $pattern = '/\/([^\s]*)\//';
      $replacement = '<span style="font-style:italic;">\1</span>';
      $content = preg_replace( $pattern, $replacement, $content );
      $template->assign_block_vars('picture.comment',array(
	    'AUTHOR'=>$author,
		'DATE'=>format_date( $subrow['date'], 'unix', true ),
		'CONTENT'=>$content,
		));
    }
  }
//----------------------------------------------------------- html code display
$template->pparse('comments');
include('include/page_tail.php');
?>