<?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.                                                                  |
// +-----------------------------------------------------------------------+

if( !defined("PHPWG_ROOT_PATH") )
{
	die ("Hacking attempt!");
}
include_once( PHPWG_ROOT_PATH.'admin/include/isadmin.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 FROM '.CATEGORIES_TABLE;
        $query.= ' WHERE id = '.$_POST['associate'];
        $query.= ';';
        if ( mysql_num_rows( mysql_query( $query ) ) == 0 )
          array_push( $errors, $lang['cat_unknown_id'] );
      }
    }

    $associate = false;
    
    $query = 'SELECT id,file FROM '.IMAGES_TABLE;
    $query.= ' INNER JOIN '.IMAGE_CATEGORY_TABLE.' 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 '.IMAGES_TABLE.' 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 '.IMAGE_CATEGORY_TABLE;
        $query.= ' (image_id,category_id) VALUES';
        $query.= ' ('.$row['id'].','.$_POST['associate'].')';
        $query.= ';';
        mysql_query( $query );
        $associate = true;
      }
    }
    if ( isset( $_POST['associate'] )) update_category( $_POST['associate'] );
    if ( $associate ) synchronize_all_users();
//------------------------------------------------------ update general options
    if ( isset( $_POST['use_common_author'] ) )
    {
      $query = 'SELECT image_id FROM '.IMAGE_CATEGORY_TABLE;
      $query.= ' WHERE category_id = '.$page['cat'];
      $result = mysql_query( $query );
      while ( $row = mysql_fetch_array( $result ) )
      {
        $query = 'UPDATE '.IMAGES_TABLE;
        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 FROM '.IMAGE_CATEGORY_TABLE;
        $query.= ' WHERE category_id = '.$page['cat'];
        $result = mysql_query( $query );
        while ( $row = mysql_fetch_array( $result ) )
        {
          $query = 'UPDATE '.IMAGES_TABLE;
          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 FROM '.IMAGES_TABLE;
      $query.= ' INNER JOIN '.IMAGE_CATEGORY_TABLE.' 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 '.IMAGES_TABLE.' 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'] )
      || !is_numeric( $_GET['start'] )
      || ( 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'];
  }
  // Navigation path
  $current_category = get_cat_info($_GET['cat_id']);
  $url = PHPWG_ROOT_PATH.'admin.php?page=infos_images&amp;cat_id=';
  $category_path = get_cat_display_name($current_category['name'], '-&gt;', $url);
  
  $form_action = PHPWG_ROOT_PATH.'admin.php?page=infos_images&amp;cat_id='.$_GET['cat_id'];
  if( $page['start'])
  {
    $form_action.= '&amp;start='.$_GET['start'];
  }
  
  $nav_bar = create_navigation_bar(
    $form_action, $current_category['nb_images'],$page['start'], $page['nb_image_page'], '' );
	
//----------------------------------------------------- template initialization
$template->set_filenames( array('infos_images'=>'admin/infos_images.tpl') );
$template->assign_vars(array(
  'CATEGORY'=>$category_path,
  'NAV_BAR'=>$nav_bar,
  
  'L_INFOS_TITLE'=>$lang['infoimage_general'],
  'L_AUTHOR'=>$lang['author'],
  'L_INFOS_OVERALL_USE'=>$lang['infoimage_useforall'],
  'L_INFOS_CREATION_DATE'=>$lang['infoimage_creation_date'],
  'L_KEYWORD'=>$lang['keywords'],
  'L_KEYWORD_SEPARATION'=>$lang['infoimage_keyword_separation'],
  'L_INFOS_ADDTOALL'=>$lang['infoimage_addtoall'],
  'L_INFOS_REMOVEFROMALL'=>$lang['infoimage_removefromall'],
  'L_INFOS_DETAIL'=>$lang['infoimage_detailed'],
  'L_THUMBNAIL'=>$lang['thumbnail'],
  'L_INFOS_IMG'=>$lang['infoimage_title'],
  'L_INFOS_COMMENT'=>$lang['comment'],
  'L_INFOS_ASSOCIATE'=>$lang['infoimage_associate'],
  'L_SUBMIT'=>$lang['submit'],
  
  'F_ACTION'=>add_session_id($form_action)
  ));
  
//-------------------------------------------------------------- errors display
if ( sizeof( $errors ) != 0 )
{
  $template->assign_block_vars('errors',array());
  for ( $i = 0; $i < sizeof( $errors ); $i++ )
  {
    $template->assign_block_vars('errors.error',array('ERROR'=>$errors[$i]));
  }
}
//------------------------------------------------------------------------ form

  $array_cat_directories = array();
 
  $query = 'SELECT * FROM '.IMAGES_TABLE;
  $query.= ' INNER JOIN '.IMAGE_CATEGORY_TABLE.' 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 ) )
  {
	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'].get_filename_wo_extension( $row['file'] ).".".$row['tn_ext'];
	
    $template->assign_block_vars('picture' ,array(
	  'ID_IMG'=>$row['id'],
	  'URL_IMG'=>add_session_id( PHPWG_ROOT_PATH.'admin.php?page=picture_modify&amp;image_id='.$row['id'] ),
	  'TN_URL_IMG'=>$thumbnail_url,
	  'FILENAME_IMG'=>$row['file'],
	  'DEFAULTNAME_IMG'=>get_filename_wo_extension( $row['file'] ),
	  'NAME_IMG'=>$row['name'],
	  'AUTHOR_IMG'=>$row['author'],
	  'DATE_IMG'=>date_convert_back( $row['date_creation'] ),
	  'KEYWORDS_IMG'=>$row['keywords'],
	  'COMMENT_IMG'=>$row['comment']
	  ));
  }
  
  // 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 '.CATEGORIES_TABLE.';';
  $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
$template->assign_var_from_handle('ADMIN_CONTENT', 'infos_images');
?>