\''.$start.'\'
AND c.validation_date <= \''.$end.'\'
AND category_id NOT IN ('.$user['forbidden_categories'].')
;';
return array_from_query($query, 'comment_id');
}
/**
* unvalidated at a precise date
*
* Comments that are registered and not validated yet on a precise date
*
* @param string date (mysql datetime format)
* @return array comment ids
*/
function unvalidated_comments($date)
{
$query = '
SELECT DISTINCT id
FROM '.COMMENTS_TABLE.'
WHERE date <= \''.$date.'\'
AND (validated = \'false\'
OR validation_date > \''.$date.'\')
;';
return array_from_query($query, 'id');
}
/**
* new elements between two dates, according to authorized categories
*
* @param string start (mysql datetime format)
* @param string end (mysql datetime format)
* @param string forbidden categories (comma separated)
* @return array element ids
*/
function new_elements($start, $end)
{
global $user;
$query = '
SELECT DISTINCT image_id
FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON image_id = id
WHERE date_available > \''.$start.'\'
AND date_available <= \''.$end.'\'
AND category_id NOT IN ('.$user['forbidden_categories'].')
;';
return array_from_query($query, 'image_id');
}
/**
* updated categories between two dates, according to authorized categories
*
* @param string start (mysql datetime format)
* @param string end (mysql datetime format)
* @param string forbidden categories (comma separated)
* @return array element ids
*/
function updated_categories($start, $end)
{
global $user;
$query = '
SELECT DISTINCT category_id
FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON image_id = id
WHERE date_available > \''.$start.'\'
AND date_available <= \''.$end.'\'
AND category_id NOT IN ('.$user['forbidden_categories'].')
;';
return array_from_query($query, 'category_id');
}
/**
* new registered users between two dates
*
* @param string start (mysql datetime format)
* @param string end (mysql datetime format)
* @return array user ids
*/
function new_users($start, $end)
{
$query = '
SELECT user_id
FROM '.USER_INFOS_TABLE.'
WHERE registration_date > \''.$start.'\'
AND registration_date <= \''.$end.'\'
;';
return array_from_query($query, 'user_id');
}
/**
* What's new between two dates ?
*
* Informations : number of new comments, number of new elements, number of
* updated categories. Administrators are also informed about : number of
* unvalidated comments, number of new users (TODO : number of unvalidated
* elements)
*
* @param string start date (mysql datetime format)
* @param string end date (mysql datetime format)
*/
function news($start, $end)
{
global $user;
$news = array();
$nb_new_comments = count(new_comments($start, $end));
if ($nb_new_comments > 0)
{
array_push($news, sprintf(l10n('%d new comments'), $nb_new_comments));
}
$nb_new_elements = count(new_elements($start, $end));
if ($nb_new_elements > 0)
{
array_push($news, sprintf(l10n('%d new elements'), $nb_new_elements));
}
$nb_updated_categories = count(updated_categories($start, $end));
if ($nb_updated_categories > 0)
{
array_push($news, sprintf(l10n('%d categories updated'),
$nb_updated_categories));
}
if ('admin' == $user['status'])
{
$nb_unvalidated_comments = count(unvalidated_comments($end));
if ($nb_unvalidated_comments > 0)
{
array_push($news, sprintf(l10n('%d comments to validate'),
$nb_unvalidated_comments));
}
$nb_new_users = count(new_users($start, $end));
if ($nb_new_users > 0)
{
array_push($news, sprintf(l10n('%d new users'), $nb_new_users));
}
}
return $news;
}
/**
* explodes a MySQL datetime format (2005-07-14 23:01:37) in fields "year",
* "month", "day", "hour", "minute", "second".
*
* @param string mysql datetime format
* @return array
*/
function explode_mysqldt($mysqldt)
{
$date = array();
list($date['year'],
$date['month'],
$date['day'],
$date['hour'],
$date['minute'],
$date['second'])
= preg_split('/[-: ]/', $mysqldt);
return $date;
}
/**
* creates a Unix timestamp (number of seconds since 1970-01-01 00:00:00
* GMT) from a MySQL datetime format (2005-07-14 23:01:37)
*
* @param string mysql datetime format
* @return int timestamp
*/
function mysqldt_to_ts($mysqldt)
{
$date = explode_mysqldt($mysqldt);
return mktime($date['hour'], $date['minute'], $date['second'],
$date['month'], $date['day'], $date['year']);
}
/**
* creates an ISO 8601 format date (2003-01-20T18:05:41+04:00) from Unix
* timestamp (number of seconds since 1970-01-01 00:00:00 GMT)
*
* function copied from Dotclear project http://dotclear.net
*
* @param int timestamp
* @return string ISO 8601 date format
*/
function ts_to_iso8601($ts)
{
$tz = date('O',$ts);
$tz = substr($tz, 0, -2).':'.substr($tz, -2);
return date('Y-m-d\\TH:i:s',$ts).$tz;
}
// +-----------------------------------------------------------------------+
// | initialization |
// +-----------------------------------------------------------------------+
// clean $user array (include/user.inc.php has been executed)
$user = array();
// echo ''.generate_key(50).'
';
if (isset($_GET['feed'])
and preg_match('/^[A-Za-z0-9]{50}$/', $_GET['feed']))
{
$query = '
SELECT uf.user_id AS id,
ui.status,
uf.last_check,
u.'.$conf['user_fields']['username'].' AS username
FROM '.USER_FEED_TABLE.' AS uf
INNER JOIN '.USER_INFOS_TABLE.' AS ui
ON ui.user_id = uf.user_id
INNER JOIN '.USERS_TABLE.' AS u
ON u.'.$conf['user_fields']['id'].' = uf.user_id
WHERE uf.id = \''.$_GET['feed'].'\'
;';
$user = mysql_fetch_array(pwg_query($query));
}
else
{
echo l10n('Unknown feed identifier');
exit();
}
$user['forbidden_categories'] = calculate_permissions($user['id'],
$user['status']);
if ('' == $user['forbidden_categories'])
{
$user['forbidden_categories'] = '-1';
}
list($dbnow) = mysql_fetch_row(pwg_query('SELECT NOW();'));
include_once(PHPWG_ROOT_PATH.'include/feedcreator.class.php');
$rss = new UniversalFeedCreator();
$rss->title = $conf['gallery_title'].', notifications';
$rss->title.= ' (as '.$user['username'].')';
$rss->link = $conf['gallery_url'];
// +-----------------------------------------------------------------------+
// | Feed creation |
// +-----------------------------------------------------------------------+
$news = news($user['last_check'], $dbnow);
if (count($news) > 0)
{
$item = new FeedItem();
$item->title = sprintf(l10n('New on %s'), $dbnow);
$item->link = 'http://phpwebgallery.net';
// content creation
$item->description = '';
foreach ($news as $line)
{
$item->description.= '- '.$line.'
';
}
$item->description.= '
';
$item->descriptionHtmlSyndicated = true;
$item->date = ts_to_iso8601(mysqldt_to_ts($dbnow));
$item->author = 'PhpWebGallery notifier';
$rss->addItem($item);
}
$query = '
UPDATE '.USER_FEED_TABLE.'
SET last_check = \''.$dbnow.'\'
WHERE id = \''.$_GET['feed'].'\'
;';
pwg_query($query);
// send XML feed
echo $rss->saveFeed('RSS2.0', '', true);
?>