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<?php

// +-----------------------------------------------------------------------+

// | PhpWebGallery - a PHP based picture gallery                           |

// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |

// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |

// +-----------------------------------------------------------------------+

// | branch        : BSF (Best So Far)

// | file          : $RCSfile: category_calendar.inc.php,v $

// | last update   : $Date: 2005/05/02 20:59:47 $

// | last modifier : $Author: plg $

// | revision      : $Revision: 1.15.2.1 $

// +-----------------------------------------------------------------------+

// | 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.                                                                  |

// +-----------------------------------------------------------------------+

/**

 * This file is included by category.php to show thumbnails for the category

 * calendar

 * 

 */

// years of image availability

$query = '

SELECT YEAR('.$conf['calendar_datefield'].') AS year, COUNT(id) AS count

  FROM '.IMAGES_TABLE.', '.IMAGE_CATEGORY_TABLE.'

  '.$page['where'].'

    AND id = image_id

  GROUP BY year

;';

$result = pwg_query($query);

$calendar_years = array();

while ($row = mysql_fetch_array($result))

{

  $calendar_years[$row['year']] = $row['count'];

}

// if the year requested is not among the available years, we unset the

// variable

if (isset($page['calendar_year'])

    and !isset($calendar_years[$page['calendar_year']]))

{

  unset($page['calendar_year']);

}

// years navigation bar creation

$years_nav_bar = '';

foreach ($calendar_years as $calendar_year => $nb_picture_year)

{

  if (isset($page['calendar_year'])

      and $calendar_year == $page['calendar_year'])

  {

    $years_nav_bar.= ' <span class="dateSelected">'.$calendar_year.'</span>';

  }

  else

  {

    $url = PHPWG_ROOT_PATH.'category.php?cat=calendar';

    $url.= '&year='.$calendar_year;

    $url = add_session_id($url);

    $years_nav_bar.= ' <a href="'.$url.'">'.$calendar_year.'</a>';

  }

}

$template->assign_block_vars(

  'calendar',

  array('YEARS_NAV_BAR' => $years_nav_bar)

  );

// months are calculated (to know which months are available, and how many

// pictures per month we can find) only if a year is requested.

if (isset($page['calendar_year']))

{

  // creation of hash associating the number of the month in the year with

  // the number of picture for this month : $calendar_months

  $query = '

SELECT DISTINCT(MONTH('.$conf['calendar_datefield'].')) AS month

     , COUNT(id) AS count

  FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id

  '.$page['where'].'

    AND '.$conf['calendar_datefield'].'

      BETWEEN \''.$page['calendar_year'].'-1-1\'

      AND \''.$page['calendar_year'].'-12-31\'

  GROUP BY MONTH('.$conf['calendar_datefield'].')

;';

  $result = pwg_query($query);

  $calendar_months = array();

  while ($row = mysql_fetch_array($result))

  {

    $calendar_months[$row['month']] = $row['count'];

  }

  // if a month is requested and is not among the available months, we unset

  // the requested month

  if (isset($page['calendar_month'])

      and !isset($calendar_months[$page['calendar_month']]))

  {

    unset($page['calendar_month']);

  }

  // months navigation bar creation

  $months_nav_bar = '';

  foreach ($calendar_months as $calendar_month => $nb_picture_month)

  {

    if (isset($page['calendar_month'])

        and $calendar_month == $page['calendar_month'])

    {

      $months_nav_bar.= ' <span class="dateSelected">';

      $months_nav_bar.= $lang['month'][(int)$calendar_month];

      $months_nav_bar.= '</span>';

    }

    else

    {

      $url = PHPWG_ROOT_PATH.'category.php?cat=calendar&month=';

      $url.= $page['calendar_year'].'.'.sprintf('%02s', $calendar_month);

      $months_nav_bar.= ' ';

      $months_nav_bar.= '<a href="'.add_session_id($url).'">';

      $months_nav_bar.= $lang['month'][(int)$calendar_month];

      $months_nav_bar.= '</a>';

    }

  }

  $template->assign_block_vars(

    'calendar',

    array('MONTHS_NAV_BAR' => $months_nav_bar));

}

/**

 * 4 sub-cases are possibles for the calendar category :

 *

 *  1. show years if no year is requested

 *  2. show months of the requested year if no month is requested

 *  3. show days of the {year,month} requested if no day requested

 *  4. show categories of the requested day (+ a special category gathering

 *     all categories)

 */

if (!isset($page['calendar_year']))

{

  $nb_pics = count($calendar_years);

}

elseif (!isset($page['calendar_month']))

{

  $nb_pics = count($calendar_months);

}

elseif (!isset($page['calendar_day']))

{

  // creation of hash associating the number of the day in the month with

  // the number of picture for this day : $calendar_days

  $query = '

SELECT DISTINCT('.$conf['calendar_datefield'].') AS day, COUNT(id) AS count

  FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id

  '.$page['where'].'

    AND '.$conf['calendar_datefield'].'

      BETWEEN \''.$page['calendar_year'].'-'.$page['calendar_month'].'-1\'

      AND \''.$page['calendar_year'].'-'.$page['calendar_month'].'-31\'

  GROUP BY day

;';

  $result = pwg_query($query);

  $calendar_days = array();

  while ($row = mysql_fetch_array($result))

  {

    $calendar_days[$row['day']] = $row['count'];

  }

  $nb_pics = count($calendar_days);

}

elseif (isset($page['calendar_day']))

{

  // $page['calendar_date'] is the concatenation of year-month-day. simplier

  // to use in SQ queries

  $page['calendar_date'] = $page['calendar_year'];

  $page['calendar_date'].= '-'.$page['calendar_month'];

  $page['calendar_date'].= '-'.$page['calendar_day'];

  $query = '

SELECT category_id AS category, COUNT(id) AS count

  FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id

  '.$page['where'].'

    AND '.$conf['calendar_datefield'].' = \''.$page['calendar_date'].'\'

  GROUP BY category_id

;';

  $result = pwg_query($query);

  $calendar_categories = array();

  // special category 0 : gathering all available categories (0 cannot be a

  // oregular category identifier)

  $calendar_categories[0] = 0;

  while ($row = mysql_fetch_array($result))

  {

    $calendar_categories[$row['category']] = $row['count'];

  }

  // update the total number of pictures for this day

  $calendar_categories[0] = array_sum($calendar_categories);

  $nb_pics = count($calendar_categories);

}

// template thumbnail initialization

if ($nb_pics > 0)

{

  $template->assign_block_vars('thumbnails', array());

  // first line

  $template->assign_block_vars('thumbnails.line', array());

  // current row displayed

  $row_number = 0;

}

if (!isset($page['calendar_year']))

{

  // for each month of this year, display a random picture

  foreach ($calendar_years as $calendar_year => $nb_pics)

  {

    $query = '

SELECT file,tn_ext,'.$conf['calendar_datefield'].',path

  FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id

  '.$page['where'].'

    AND '.$conf['calendar_datefield'].'

      BETWEEN \''.$calendar_year.'-1-1\'

      AND \''.$calendar_year.'-12-31\'

  ORDER BY RAND()

  LIMIT 0,1

;';

    $row = mysql_fetch_array(pwg_query($query));

    $thumbnail_src = get_thumbnail_src($row['path'], @$row['tn_ext']);

    $name = $calendar_year.' ('.$nb_pics.')';

    $thumbnail_title = $lang['calendar_picture_hint'].$name;

    $url_link = PHPWG_ROOT_PATH.'category.php?cat=calendar';

    $url_link.= '&year='.$calendar_year;

    $template->assign_block_vars(

      'thumbnails.line.thumbnail',

      array(

        'IMAGE'=>$thumbnail_src,

        'IMAGE_ALT'=>$row['file'],

        'IMAGE_TITLE'=>$thumbnail_title,

        'IMAGE_NAME'=>$name,

        'U_IMG_LINK'=>add_session_id($url_link)

       )

     );

    // create a new line ?

    if (++$row_number == $user['nb_image_line'])

    {

      $template->assign_block_vars('thumbnails.line', array());

      $row_number = 0;

    }

  }

}

elseif (!isset($page['calendar_month']))

{

  // for each month of this year, display a random picture

  foreach ($calendar_months as $calendar_month => $nb_pics)

  {

    $query = '

SELECT file,tn_ext,'.$conf['calendar_datefield'].',path

  FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id

  '.$page['where'].'

    AND '.$conf['calendar_datefield'].'

      BETWEEN \''.$page['calendar_year'].'-'.$calendar_month.'-1\'

      AND \''.$page['calendar_year'].'-'.$calendar_month.'-31\'

  ORDER BY RAND()

  LIMIT 0,1

;';

    $row = mysql_fetch_array(pwg_query($query));

    $thumbnail_src = get_thumbnail_src($row['path'], @$row['tn_ext']);

    $name = $lang['month'][$calendar_month];

    $name.= ' '.$page['calendar_year'];

    $name.= ' ('.$nb_pics.')';

    $thumbnail_title = $lang['calendar_picture_hint'].$name;

    $url_link = PHPWG_ROOT_PATH.'category.php?cat=calendar';

    $url_link.= '&month='.$page['calendar_year'].'.';

    if ($calendar_month < 10)

    {

      // adding leading zero

      $url_link.= '0';

    }

    $url_link.= $calendar_month;

    $template->assign_block_vars(

      'thumbnails.line.thumbnail',

      array(

        'IMAGE'=>$thumbnail_src,

        'IMAGE_ALT'=>$row['file'],

        'IMAGE_TITLE'=>$thumbnail_title,

        'IMAGE_NAME'=>$name,

        'U_IMG_LINK'=>add_session_id($url_link)

       )

     );

    // create a new line ?

    if (++$row_number == $user['nb_image_line'])

    {

      $template->assign_block_vars('thumbnails.line', array());

      $row_number = 0;

    }

  }

}

elseif (!isset($page['calendar_day']))

{

  // for each day of the requested month, display a random picture

  foreach ($calendar_days as $calendar_day => $nb_pics)

  {

    $query = '

SELECT file,tn_ext,'.$conf['calendar_datefield'].',path

       , DAYOFWEEK(\''.$calendar_day.'\') AS dow

  FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id = image_id

  '.$page['where'].'

    AND '.$conf['calendar_datefield'].' = \''.$calendar_day.'\'

  ORDER BY RAND()

  LIMIT 0,1

;';

    $row = mysql_fetch_array(pwg_query($query));

    $thumbnail_src = get_thumbnail_src($row['path'], @$row['tn_ext']);

    list($year,$month,$day) = explode('-', $calendar_day);

    $name = $lang['day'][$row['dow']-1];

    $name.= ' '.$day;

    $name.= ' ('.$nb_pics.')';

    $thumbnail_title = $lang['calendar_picture_hint'].$name;

    $url_link = PHPWG_ROOT_PATH.'category.php';

    $url_link.= '?cat=calendar&day='.str_replace('-', '.', $calendar_day);

    $template->assign_block_vars(

      'thumbnails.line.thumbnail',

      array(

        'IMAGE'=>$thumbnail_src,

        'IMAGE_ALT'=>$row['file'],

        'IMAGE_TITLE'=>$thumbnail_title,

        'IMAGE_NAME'=>$name,

        'U_IMG_LINK'=>add_session_id($url_link)

         )

       );

    // create a new line ?

    if (++$row_number == $user['nb_image_line'])

    {

      $template->assign_block_vars('thumbnails.line', array());

      $row_number = 0;

    }

  }

}

elseif (isset($page['calendar_day']))

{

  $old_level_separator = $conf['level_separator'];

  $conf['level_separator'] = '<br />';

  // for each category of this day, display a random picture

  foreach ($calendar_categories as $calendar_category => $nb_pics)

  {

    if ($calendar_category == 0)

    {

      $name = '['.$lang['all_categories'].']';

    }

    else

    {

      $cat_infos = get_cat_info( $calendar_category );

      $name = get_cat_display_name($cat_infos['name'],'',false);

      $name = '['.$name.']';

    }

    $name.= ' ('.$nb_pics.')';

    $query = '

SELECT file,tn_ext,'.$conf['calendar_datefield'].',path

  FROM '.IMAGES_TABLE.', '.IMAGE_CATEGORY_TABLE.'

  '.$page['where'].'

    AND '.$conf['calendar_datefield'].' = \''.$page['calendar_date'].'\'';

    if ($calendar_category != 0)

    {

      $query.= '

    AND category_id = '.$calendar_category;

    }

    $query.= '

    AND id = image_id

  ORDER BY RAND()

  LIMIT 0,1

;';

    $row = mysql_fetch_array(pwg_query($query));

    $thumbnail_src = get_thumbnail_src($row['path'], @$row['tn_ext']);

    $thumbnail_title = $lang['calendar_picture_hint'].$name;

    $url_link = PHPWG_ROOT_PATH.'category.php?cat=search';

    $url_link.= '&search='.$conf['calendar_datefield'].':'.$_GET['day'];

    if ($calendar_category != 0)

    {

      $url_link.= '--cat:'.$calendar_category.'|AND';

    }

    $template->assign_block_vars(

      'thumbnails.line.thumbnail',

      array(

        'IMAGE'=>$thumbnail_src,

        'IMAGE_ALT'=>$row['file'],

        'IMAGE_TITLE'=>$thumbnail_title,

        'IMAGE_NAME'=>$name,

        'U_IMG_LINK'=>add_session_id($url_link)

         )

       );

    $template->assign_block_vars('thumbnails.line.thumbnail.bullet',array());

    // create a new line ?

    if (++$row_number == $user['nb_image_line'])

    {

      $template->assign_block_vars('thumbnails.line', array());

      $row_number = 0;

    }

  }

  $conf['level_separator'] = $old_level_separator;

}

?>