<?php

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

// | Piwigo - a PHP based photo gallery |

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

// | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org |

// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |

// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |

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

// | 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. |

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

define('PHPWG_ROOT_PATH','./');

include_once(PHPWG_ROOT_PATH.'include/common.inc.php');

include_once(PHPWG_ROOT_PATH.'include/functions_notification.inc.php');

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

// | functions |

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

/**

* creates a Unix timestamp (number of seconds since 1970-01-01 00:00:00

* GMT) from a MySQL datetime format (2005-07-14 23:01:37)

*

* @param string mysql datetime format

* @return int timestamp

*/

function datetime_to_ts($datetime)

{

return strtotime($datetime);

}

/**

* creates an ISO 8601 format date (2003-01-20T18:05:41+04:00) from Unix

* timestamp (number of seconds since 1970-01-01 00:00:00 GMT)

*

* function copied from Dotclear project http://dotclear.net

*

* @param int timestamp

* @return string ISO 8601 date format

*/

function ts_to_iso8601($ts)

}

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

// | initialization |

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

check_input_parameter('feed', $_GET, false, '/^[0-9a-z]{50}$/i');

$feed_id= isset($_GET['feed']) ? $_GET['feed'] : '';

$image_only=isset($_GET['image_only']);

// echo '<pre>'.generate_key(50).'</pre>';

if ( !empty($feed_id) )

{

$query = '

SELECT user_id,

last_check

FROM '.USER_FEED_TABLE.'

WHERE id = \''.$feed_id.'\'

;';

$feed_row = pwg_db_fetch_assoc(pwg_query($query));

if ( empty($feed_row) )

{

page_not_found(l10n('Unknown feed identifier'));

}

if ($feed_row['user_id']!=$user['id'])

{ // new user

$user = build_user( $feed_row['user_id'], true );

}

}

else

{

$image_only = true;

if (!is_a_guest())

{// auto session was created - so switch to guest

$user = build_user( $conf['guest_id'], true );

}

}

// Check the status now after the user has been loaded

check_status(ACCESS_GUEST);

list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW();'));

include_once(PHPWG_ROOT_PATH.'include/feedcreator.class.php');

set_make_full_url();

$rss = new UniversalFeedCreator();

$rss->encoding=get_pwg_charset();

$rss->title = $conf['gallery_title'];

$rss->title.= ' (as '.stripslashes($user['username']).')';

$rss->link = get_gallery_home_url();

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

// | Feed creation |

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

$news = array();

if (!$image_only)

{

$news = news($feed_row['last_check'], $dbnow, true, true);

if (count($news) > 0)

{

$item = new FeedItem();

$item->title = l10n('New on %s', format_date($dbnow) );

$item->link = get_gallery_home_url();

// content creation

$item->description = '<ul>';

foreach ($news as $line)

{

$item->description.= '<li>'.$line.'</li>';

}

$item->description.= '</ul>';

$item->descriptionHtmlSyndicated = true;

$item->date = ts_to_iso8601(datetime_to_ts($dbnow));

$item->author = $conf['rss_feed_author'];

$item->guid= sprintf('%s', $dbnow);;

$rss->addItem($item);

$query = '

UPDATE '.USER_FEED_TABLE.'

SET last_check = \''.$dbnow.'\'

WHERE id = \''.$feed_id.'\'

;';

pwg_query($query);

}

}

if ( !empty($feed_id) and empty($news) )

{// update the last check from time to time to avoid deletion by maintenance tasks

if ( !isset($feed_row['last_check'])

or time()-datetime_to_ts($feed_row['last_check']) > 30*24*3600 )

{

$query = '

UPDATE '.USER_FEED_TABLE.'

SET last_check = '.pwg_db_get_recent_period_expression(-15, $dbnow).'

WHERE id = \''.$feed_id.'\'

;';

pwg_query($query);

}

}

$dates = get_recent_post_dates_array($conf['recent_post_dates']['RSS']);

foreach($dates as $date_detail)

{ // for each recent post date we create a feed item

$item = new FeedItem();

$date = $date_detail['date_available'];

$item->title = get_title_recent_post_date($date_detail);

$item->link = make_index_url(

array(

'chronology_field' => 'posted',

'chronology_style'=> 'monthly',

'chronology_view' => 'calendar',

'chronology_date' => explode('-', substr($date,0,10) )

)

);

$item->description .=

'<a href="'.make_index_url().'">'.$conf['gallery_title'].'</a><br> ';

$item->description .= get_html_description_recent_post_date($date_detail);

$item->descriptionHtmlSyndicated = true;

$item->date = ts_to_iso8601(datetime_to_ts($date));

$item->author = $conf['rss_feed_author'];

$item->guid= sprintf('%s', 'pics-'.$date);;

$rss->addItem($item);

}

$fileName= PHPWG_ROOT_PATH.$conf['data_location'].'tmp';

mkgetdir($fileName); // just in case

$fileName.='/feed.xml';

// send XML feed

echo $rss->saveFeed('RSS2.0', $fileName, true);

?>