<?php
// +-----------------------------------------------------------------------+
// |                           infos_images.php                            |
// +-----------------------------------------------------------------------+
// | application   : PhpWebGallery <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_once( './admin/include/isadmin.inc.php' );
include_once( './template/'.$user['template'].'/htmlfunctions.inc.php' );
//-------------------------------------------------------------- initialization
$page['nb_image_page'] = 5;

check_cat_id( $_GET['cat_id'] );

$errors = array();

if ( isset( $page['cat'] ) )
{
//--------------------------------------------------- update individual options
  if ( isset( $_POST['submit'] ) )
  {
    if ( isset( $_POST['associate'] ) and $_POST['associate'] != '' )
    {
      // does the uppercat id exists in the database ?
      if ( !is_numeric( $_POST['associate'] ) )
      {
        array_push( $errors, $lang['cat_unknown_id'] );
      }
      else
      {
        $query = 'SELECT id';
        $query.= ' FROM '.PREFIX_TABLE.'categories';
        $query.= ' WHERE id = '.$_POST['associate'];
        $query.= ';';
        if ( mysql_num_rows( mysql_query( $query ) ) == 0 )
          array_push( $errors, $lang['cat_unknown_id'] );
      }
    }

    $associate = false;
    
    $query = 'SELECT id,file';
    $query.= ' FROM '.PREFIX_TABLE.'images';
    $query.= ' INNER JOIN '.PREFIX_TABLE.'image_category ON id = image_id';
    $query.= ' WHERE category_id = '.$page['cat'];
    $query.= ';';
    $result = mysql_query( $query );
    while ( $row = mysql_fetch_array( $result ) )
    {
      $name          = 'name-'.$row['id'];
      $author        = 'author-'.$row['id'];
      $comment       = 'comment-'.$row['id'];
      $date_creation = 'date_creation-'.$row['id'];
      $keywords      = 'keywords-'.$row['id'];
      if ( isset( $_POST[$name] ) )
      {
        $query = 'UPDATE '.PREFIX_TABLE.'images';

        $query.= ' SET name = ';
        if ( $_POST[$name] == '' )
          $query.= 'NULL';
        else
          $query.= "'".htmlentities( $_POST[$name], ENT_QUOTES )."'";

        $query.= ', author = ';
        if ( $_POST[$author] == '' )
          $query.= 'NULL';
        else
          $query.= "'".htmlentities($_POST[$author],ENT_QUOTES)."'";

        $query.= ', comment = ';
        if ( $_POST[$comment] == '' )
          $query.= 'NULL';
        else
          $query.= "'".htmlentities($_POST[$comment],ENT_QUOTES)."'";

        $query.= ', date_creation = ';
        if ( check_date_format( $_POST[$date_creation] ) )
          $query.= "'".date_convert( $_POST[$date_creation] )."'";
        else if ( $_POST[$date_creation] == '' )
          $query.= 'NULL';

        $query.= ', keywords = ';

        $keywords_array = get_keywords( $_POST[$keywords] );
        if ( count( $keywords_array ) == 0 ) $query.= 'NULL';
        else $query.= "'".implode( ',', $keywords_array )."'";

        $query.= ' WHERE id = '.$row['id'];
        $query.= ';';
        mysql_query( $query );
      }
      // add link to another category
      if ( isset( $_POST['check-'.$row['id']] ) and count( $errors ) == 0 )
      {
        $query = 'INSERT INTO '.PREFIX_TABLE.'image_category';
        $query.= ' (image_id,category_id) VALUES';
        $query.= ' ('.$row['id'].','.$_POST['associate'].')';
        $query.= ';';
        mysql_query( $query );
        $associate = true;
      }
    }
    update_category( $_POST['associate'] );
    if ( $associate ) synchronize_all_users();
//------------------------------------------------------ update general options
    if ( isset( $_POST['use_common_author'] ) )
    {
      $query = 'SELECT image_id';
      $query.= ' FROM '.PREFIX_TABLE.'image_category';
      $query.= ' WHERE category_id = '.$page['cat'];
      $result = mysql_query( $query );
      while ( $row = mysql_fetch_array( $result ) )
      {
        $query = 'UPDATE '.PREFIX_TABLE.'images';
        if ( $_POST['author_cat'] == '' )
        {
          $query.= ' SET author = NULL';
        }
        else
        {
          $query.= ' SET author = ';
          $query.= "'".htmlentities( $_POST['author_cat'], ENT_QUOTES )."'";
        }
        $query.= ' WHERE id = '.$row['image_id'];
        $query.= ';';
        mysql_query( $query );
      }
    }
    if ( isset( $_POST['use_common_date_creation'] ) )
    {
      if ( check_date_format( $_POST['date_creation_cat'] ) )
      {
        $date = date_convert( $_POST['date_creation_cat'] );
        $query = 'SELECT image_id';
        $query.= ' FROM '.PREFIX_TABLE.'image_category';
        $query.= ' WHERE category_id = '.$page['cat'];
        $result = mysql_query( $query );
        while ( $row = mysql_fetch_array( $result ) )
        {
          $query = 'UPDATE '.PREFIX_TABLE.'images';
          if ( $_POST['date_creation_cat'] == '' )
          {
            $query.= ' SET date_creation = NULL';
          }
          else
          {
            $query.= " SET date_creation = '".$date."'";
          }
          $query.= ' WHERE id = '.$row['image_id'];
          $query.= ';';
          mysql_query( $query );
        }
      }
      else
      {
        array_push( $errors, $lang['err_date'] );
      }
    }
    if ( isset( $_POST['common_keywords'] ) and $_POST['keywords_cat'] != '' )
    {
      $query = 'SELECT id,keywords';
      $query.= ' FROM '.PREFIX_TABLE.'images';
      $query.= ' INNER JOIN '.PREFIX_TABLE.'image_category ON id = image_id';
      $query.= ' WHERE category_id = '.$page['cat'];
      $query.= ';';
      $result = mysql_query( $query );
      while ( $row = mysql_fetch_array( $result ) )
      {
        if ( !isset( $row['keywords'] ) ) $specific_keywords = array();
        else $specific_keywords = explode( ',', $row['keywords'] );
        
        $common_keywords   = get_keywords( $_POST['keywords_cat'] );
        // first possiblity : adding the given keywords to all the pictures
        if ( $_POST['common_keywords'] == 'add' )
        {
          $keywords = array_merge( $specific_keywords, $common_keywords );
          $keywords = array_unique( $keywords );
        }
        // second possiblity : removing the given keywords from all pictures
        // (without deleting the other specific keywords
        if ( $_POST['common_keywords'] == 'remove' )
        {
          $keywords = array_diff( $specific_keywords, $common_keywords );
        }
        // cleaning the keywords array, sometimes, an empty value still remain
        $keywords = array_remove( $keywords, '' );
        // updating the picture with new keywords array
        $query = 'UPDATE '.PREFIX_TABLE.'images';
        $query.= ' SET keywords = ';
        if ( count( $keywords ) == 0 )
        {
          $query.= 'NULL';
        }
        else
        {
          $query.= '"';
          $i = 0;
          foreach ( $keywords as $keyword ) {
            if ( $i++ > 0 ) $query.= ',';
            $query.= $keyword;
          }
          $query.= '"';
        }
        $query.= ' WHERE id = '.$row['id'];
        $query.= ';';
        mysql_query( $query );
      }
    }
  }
//--------------------------------------------------------- form initialization
  if( !isset( $_GET['start'] )
      or !is_numeric( $_GET['start'] )
      or ( is_numeric( $_GET['start'] ) and $_GET['start'] < 0 ) )
  {
    $page['start'] = 0;
  }
  else
  {
    $page['start'] = $_GET['start'];
  }

  if ( isset($_GET['num']) and is_numeric($_GET['num']) and $_GET['num'] >= 0 )
  {
    $page['start'] =
      floor( $_GET['num'] / $page['nb_image_page'] ) * $page['nb_image_page'];
  }
  // retrieving category information
  $result = get_cat_info( $page['cat'] );
  $cat['name'] = $result['name'];
  $cat['nb_images'] = $result['nb_images'];
//----------------------------------------------------- template initialization
  $sub = $vtp->Open('./template/'.$user['template'].'/admin/infos_image.vtp');
  $tpl = array( 'infoimage_general','author','infoimage_useforall','submit',
                'infoimage_creation_date','infoimage_detailed','thumbnail',
                'infoimage_title','infoimage_comment',
                'infoimage_creation_date','keywords',
                'infoimage_addtoall','infoimage_removefromall',
                'infoimage_keyword_separation','infoimage_associate',
                'errors_title' );
  templatize_array( $tpl, 'lang', $sub );
  $vtp->setGlobalVar( $sub, 'user_template',   $user['template'] );
//-------------------------------------------------------------- errors display
if ( count( $errors ) != 0 )
{
  $vtp->addSession( $sub, 'errors' );
  foreach ( $errors as $error ) {
    $vtp->addSession( $sub, 'li' );
    $vtp->setVar( $sub, 'li.content', $error );
    $vtp->closeSession( $sub, 'li' );
  }
  $vtp->closeSession( $sub, 'errors' );
}
//------------------------------------------------------------------------ form
  $url = './admin.php?page=infos_images&amp;cat_id='.$page['cat'];
  $url.= '&amp;start='.$page['start'];
  $vtp->setVar( $sub, 'form_action', add_session_id( $url ) ); 
  $page['navigation_bar'] = create_navigation_bar(
    $url, $cat['nb_images'],$page['start'], $page['nb_image_page'], '' );
  $vtp->setVar( $sub, 'navigation_bar', $page['navigation_bar'] );
  $cat_name = get_cat_display_name( $cat['name'], ' - ', 'font-style:italic;');
  $vtp->setVar( $sub, 'cat_name', $cat_name );

  $array_cat_directories = array();

  $infos = array( 'id','file','comment','author','tn_ext','name'
                  ,'date_creation','keywords','storage_category_id'
                  ,'category_id' );
  
  $query = 'SELECT '.implode( ',', $infos );
  $query.= ' FROM '.PREFIX_TABLE.'images';
  $query.= ' INNER JOIN '.PREFIX_TABLE.'image_category ON id = image_id';
  $query.= ' WHERE category_id = '.$page['cat'];
  $query.= $conf['order_by'];
  $query.= ' LIMIT '.$page['start'].','.$page['nb_image_page'];
  $query.= ';';
  $result = mysql_query( $query );
  while ( $row = mysql_fetch_array( $result ) )
  {
    foreach ($infos as $info) { if (!isset($row[$info])) $row[$info] = ''; }
    
    $vtp->addSession( $sub, 'picture' );
    $vtp->setVar( $sub, 'picture.id', $row['id'] );
    $vtp->setVar( $sub, 'picture.filename', $row['file'] );
    $vtp->setVar( $sub, 'picture.name', $row['name'] );
    $vtp->setVar( $sub, 'picture.author', $row['author'] );
    $vtp->setVar( $sub, 'picture.comment', $row['comment'] );
    $vtp->setVar( $sub, 'picture.keywords', $row['keywords'] );
    $vtp->setVar( $sub, 'picture.date_creation',
                  date_convert_back( $row['date_creation'] ) );
    $file = get_filename_wo_extension( $row['file'] );
    $vtp->setVar( $sub, 'picture.default_name', $file );
    // creating url to thumbnail
    if ( !isset( $array_cat_directories[$row['storage_category_id']] ) )
    {
      $array_cat_directories[$row['storage_category_id']] =
        get_complete_dir( $row['storage_category_id'] );
    }
    $thumbnail_url = $array_cat_directories[$row['storage_category_id']];
    $thumbnail_url.= 'thumbnail/';
    $thumbnail_url.= $conf['prefix_thumbnail'].$file.".".$row['tn_ext'];
    $vtp->setVar( $sub, 'picture.thumbnail_url', $thumbnail_url );
    $url = './admin.php?page=picture_modify&amp;image_id='.$row['id'];
    $vtp->setVar( $sub, 'picture.url', add_session_id( $url ) );
    $vtp->closeSession( $sub, 'picture' );
  }
  // Virtualy associate a picture to a category
  //
  // We only show a List Of Values if the number of categories is less than
  // $conf['max_LOV_categories']
  $query = 'SELECT COUNT(id) AS nb_total_categories';
  $query.= ' FROM '.PREFIX_TABLE.'categories';
  $query.= ';';
  $row = mysql_fetch_array( mysql_query( $query ) );
  if ( $row['nb_total_categories'] < $conf['max_LOV_categories'] )
  {
    $vtp->addSession( $sub, 'associate_LOV' );
    $page['plain_structure'] = get_plain_structure( true );
    $structure = create_structure( '', array() );
    display_categories( $structure, '&nbsp;' );
    $vtp->closeSession( $sub, 'associate_LOV' );
  }
  // else, we only display a small text field, we suppose the administrator
  // knows the id of its category
  else
  {
    $vtp->addSession( $sub, 'associate_text' );
    $vtp->closeSession( $sub, 'associate_text' );
  }
}
//----------------------------------------------------------- sending html code
$vtp->Parse( $handle , 'sub', $sub );
?>