/** For every album in the gallery, look for its file. Delete from the database
* if the file does not exist. Do the same for images. Clean up comments that have
* been left orphaned.
*
* Returns true if the operation was interrupted because it was taking too long
*
* @param bool $cascade garbage collect every image and album in the gallery.
* @param bool $complete garbage collect every image and album in the *database* - completely cleans the database.
* @param int $restart Image ID to restart scan from
* @return bool
*/
function garbageCollect($cascade = true, $complete = false, $restart = '')
{
if (empty($restart)) {
// Check for the existence of top-level albums (subalbums handled recursively).
$result = query("SELECT * FROM " . prefix('albums'));
$dead = array();
$live = array('');
// purge the root album if it exists
$deadalbumthemes = array();
// Load the albums from disk
$albumfolder = getAlbumFolder();
while ($row = mysql_fetch_assoc($result)) {
if (!file_exists($albumfolder . UTF8ToFilesystem($row['folder'])) || in_array($row['folder'], $live)) {
$dead[] = $row['id'];
if ($row['album_theme'] !== '') {
// orphaned album theme options table
$deadalbumthemes[$row['id']] = $row['folder'];
}
} else {
$live[] = $row['folder'];
}
}
if (count($dead) > 0) {
/* delete the dead albums from the DB */
$first = array_pop($dead);
$sql1 = "DELETE FROM " . prefix('albums') . " WHERE `id`='{$first}'";
$sql2 = "DELETE FROM " . prefix('images') . " WHERE `albumid`='{$first}'";
$sql3 = "DELETE FROM " . prefix('comments') . " WHERE `type`='albums' AND `ownerid`='{$first}'";
$sql4 = "DELETE FROM " . prefix('obj_to_tag') . " WHERE `type`='albums' AND `objectid`='{$first}'";
foreach ($dead as $albumid) {
$sql1 .= " OR `id` = '{$albumid}'";
$sql2 .= " OR `albumid` = '{$albumid}'";
$sql3 .= " OR `ownerid` = '{$albumid}'";
$sql4 .= " OR `objectid` = '{$albumid}'";
}
$n = query($sql1);
if (!$complete && $n > 0 && $cascade) {
query($sql2);
query($sql3);
query($sql4);
}
}
if (count($deadalbumthemes) > 0) {
// delete the album theme options tables for dead albums
foreach ($deadalbumthemes as $id => $deadtable) {
$sql = 'DELETE FROM ' . prefix('options') . ' WHERE `ownerid`=' . $id;
query($sql, true);
}
}
}
if ($complete) {
if (empty($restart)) {
/* refresh 'metadata' of dynamic albums */
$albumfolder = getAlbumFolder();
$albumids = query_full_array("SELECT `id`, `mtime`, `folder` FROM " . prefix('albums') . " WHERE `dynamic`='1'");
foreach ($albumids as $album) {
if (($mtime = filemtime($albumfolder . UTF8ToFilesystem($album['folder']))) > $album['mtime']) {
// refresh
$data = file_get_contents($albumfolder . UTF8ToFilesystem($album['folder']));
while (!empty($data)) {
$data1 = trim(substr($data, 0, $i = strpos($data, "\n")));
if ($i === false) {
$data1 = $data;
$data = '';
} else {
$data = substr($data, $i + 1);
}
if (strpos($data1, 'WORDS=') !== false) {
$words = "words=" . urlencode(substr($data1, 6));
}
if (strpos($data1, 'THUMB=') !== false) {
$thumb = trim(substr($data1, 6));
}
if (strpos($data1, 'FIELDS=') !== false) {
$fields = "&searchfields=" . trim(substr($data1, 7));
}
}
if (!empty($words)) {
if (empty($fields)) {
$fields = '&searchfields=4';
}
}
$sql = "UPDATE " . prefix('albums') . "SET `search_params`=\"{$words}.{$fields}\", `thumb`=\"{$thumb}\", `mtime`=\"{$mtime}\" WHERE `id`=\"" . $album['id'] . "\"";
query($sql);
}
}
/* Delete all image entries that don't belong to an album at all. */
$albumids = query_full_array("SELECT `id` FROM " . prefix('albums'));
/* all the album IDs */
$idsofalbums = array();
foreach ($albumids as $row) {
$idsofalbums[] = $row['id'];
}
$imageAlbums = query_full_array("SELECT DISTINCT `albumid` FROM " . prefix('images'));
/* albumids of all the images */
$albumidsofimages = array();
foreach ($imageAlbums as $row) {
$albumidsofimages[] = $row['albumid'];
}
$orphans = array_diff($albumidsofimages, $idsofalbums);
/* albumids of images with no album */
if (count($orphans) > 0) {
/* delete dead images from the DB */
$firstrow = array_pop($orphans);
$sql = "DELETE FROM " . prefix('images') . " WHERE `albumid`='" . $firstrow . "'";
foreach ($orphans as $id) {
$sql .= " OR `albumid`='" . $id . "'";
}
query($sql);
// Then go into existing albums recursively to clean them... very invasive.
foreach ($this->getAlbums(0) as $folder) {
$album = new Album($this, $folder);
if (!$album->isDynamic()) {
if (is_null($album->getDateTime())) {
// see if we can get one from an image
$image = $album->getImage(0);
if (is_object($image)) {
$album->setDateTime($image->getDateTime());
}
}
$album->garbageCollect(true);
$album->preLoad();
}
}
}
}
/* Look for image records where the file no longer exists. While at it, check for images with IPTC data to update the DB */
$start = array_sum(explode(" ", microtime()));
// protect against too much processing.
if (!empty($restart)) {
$restartwhere = ' WHERE `id`>' . $restart;
} else {
$restartwhere = '';
}
$sql = 'SELECT `id`, `albumid`, `filename`, `desc`, `title`, `date`, `mtime` FROM ' . prefix('images') . $restartwhere . ' ORDER BY `id`';
$images = query_full_array($sql);
foreach ($images as $image) {
$sql = 'SELECT `folder` FROM ' . prefix('albums') . ' WHERE `id`="' . $image['albumid'] . '";';
$row = query_single_row($sql);
$imageName = UTF8ToFilesystem(getAlbumFolder() . $row['folder'] . '/' . $image['filename']);
if (file_exists($imageName)) {
if ($image['mtime'] != filemtime($imageName)) {
// file has changed since we last saw it
/* check metadata */
$metadata = getImageMetadata($imageName);
$set = '';
/* title */
$defaultTitle = substr($image['filename'], 0, strrpos($image['filename'], '.'));
if (empty($defaultTitle)) {
$defaultTitle = $image['filename'];
}
if ($defaultTitle == $image['title']) {
/* default title */
if (isset($metadata['title'])) {
$set = ',`title`="' . mysql_real_escape_string($metadata['title']) . '"';
}
}
/* description */
if (!isset($row['desc'])) {
if (isset($metadata['desc'])) {
$set .= ', `desc`="' . mysql_real_escape_string($metadata['desc']) . '"';
}
}
/* tags */
if (isset($metadata['tags'])) {
$tags = $metadata['tags'];
storeTags($tags, $image['id'], 'images');
}
/* location, city, state, and country */
if (isset($metadata['location'])) {
$set .= ', `location`="' . mysql_real_escape_string($metadata['location']) . '"';
}
if (isset($metadata['city'])) {
$set .= ', `city`="' . mysql_real_escape_string($metadata['city']) . '"';
}
if (isset($metadata['state'])) {
$set .= ', `state`="' . mysql_real_escape_string($metadata['state']) . '"';
}
if (isset($metadata['country'])) {
$set .= ', `country`="' . mysql_real_escape_string($metadata['country']) . '"';
}
/* credit & copyright */
if (isset($metadata['credit'])) {
$set .= ', `credit`="' . escape($metadata['credit']) . '"';
}
if (isset($metadata['copyright'])) {
$set .= ', `copyright`="' . escape($metadata['copyright']) . '"';
}
/* date (for sorting) */
$newDate = strftime('%Y-%m-%d %T', filemtime($imageName));
if (isset($metadata['date'])) {
$dt = dateTimeConvert($metadata['date']);
if ($dt !== false) {
// flaw in exif/iptc data?
$newDate = $dt;
}
}
$set .= ', `date`="' . $newDate . '"';
/* update DB is necessary */
$sql = "UPDATE " . prefix('images') . " SET `EXIFValid`=0,`mtime`=" . filemtime($imageName) . $set . " WHERE `id`='" . $image['id'] . "'";
query($sql);
}
} else {
$sql = 'DELETE FROM ' . prefix('images') . ' WHERE `id`="' . $image['id'] . '";';
$result = query($sql);
$sql = 'DELETE FROM ' . prefix('comments') . ' WHERE `type` IN (' . zp_image_types('"') . ') AND `ownerid` ="' . $image['id'] . '";';
$result = query($sql);
}
if (array_sum(explode(" ", microtime())) - $start >= 10) {
return $image['id'];
// avoide excessive processing
}
}
/* clean the comments table */
/* do the images */
$imageids = query_full_array('SELECT `id` FROM ' . prefix('images'));
/* all the image IDs */
$idsofimages = array();
foreach ($imageids as $row) {
$idsofimages[] = $row['id'];
}
$commentImages = query_full_array("SELECT DISTINCT `ownerid` FROM " . prefix('comments') . 'WHERE `type` IN (' . zp_image_types('"') . ')');
/* imageids of all the comments */
$imageidsofcomments = array();
foreach ($commentImages as $row) {
$imageidsofcomments[] = $row['ownerid'];
}
$orphans = array_diff($imageidsofcomments, $idsofimages);
/* image ids of comments with no image */
if (count($orphans) > 0) {
/* delete dead comments from the DB */
$firstrow = array_pop($orphans);
$sql = "DELETE FROM " . prefix('comments') . " WHERE `type` IN (" . zp_image_types("'") . ") AND `ownerid`='" . $firstrow . "'";
foreach ($orphans as $id) {
$sql .= " OR `ownerid`='" . $id . "'";
}
query($sql);
}
/* do the same for album comments */
$albumids = query_full_array('SELECT `id` FROM ' . prefix('albums'));
/* all the album IDs */
$idsofalbums = array();
foreach ($albumids as $row) {
$idsofalbums[] = $row['id'];
}
$commentAlbums = query_full_array("SELECT DISTINCT `ownerid` FROM " . prefix('comments') . 'WHERE `type`="albums"');
/* album ids of all the comments */
$albumidsofcomments = array();
foreach ($commentAlbums as $row) {
$albumidsofcomments[] = $row['ownerid'];
}
$orphans = array_diff($albumidsofcomments, $idsofalbums);
/* album ids of comments with no album */
if (count($orphans) > 0) {
/* delete dead comments from the DB */
$firstrow = array_pop($orphans);
$sql = "DELETE FROM " . prefix('comments') . "WHERE `type`='albums' AND `ownerid`='" . $firstrow . "'";
foreach ($orphans as $id) {
$sql .= " OR `ownerid`='" . $id . "'";
}
query($sql);
}
/* clean the tags table */
/* do the images */
$tagImages = query_full_array("SELECT DISTINCT `objectid` FROM " . prefix('obj_to_tag') . 'WHERE `type` IN (' . zp_image_types('"') . ')');
/* imageids of all the comments */
$imageidsoftags = array();
foreach ($tagImages as $row) {
$imageidsoftags[] = $row['objectid'];
}
$orphans = array_diff($imageidsoftags, $idsofimages);
/* image ids of comments with no image */
if (count($orphans) > 0) {
/* delete dead tags from the DB */
$firstrow = array_pop($orphans);
$sql = "DELETE FROM " . prefix('obj_to_tag') . " WHERE `type` IN (" . zp_image_types('"') . ") AND (`objectid`='" . $firstrow . "'";
foreach ($orphans as $id) {
$sql .= " OR `objectid`='" . $id . "'";
}
$sql .= ')';
query($sql);
}
/* do the same for album tags */
$tagAlbums = query_full_array("SELECT DISTINCT `objectid` FROM " . prefix('obj_to_tag') . 'WHERE `type`="albums"');
/* album ids of all the comments */
$albumidsoftags = array();
foreach ($tagAlbums as $row) {
$albumidsoftags[] = $row['objectid'];
}
$orphans = array_diff($albumidsoftags, $idsofalbums);
/* album ids of comments with no album */
if (count($orphans) > 0) {
/* delete dead tags from the DB */
$firstrow = array_pop($orphans);
$sql = "DELETE FROM " . prefix('obj_to_tag') . "WHERE `type`='albums' AND `objectid`='" . $firstrow . "'";
foreach ($orphans as $id) {
$sql .= " OR `objectid`='" . $id . "'";
}
query($sql);
}
}
return false;
}
/**
* Gets news articles and images of a gallery to show them together on the news section
*
* NOTE: This function does not exclude articles that are password protected via a category
*
* @param int $articles_per_page The number of articles to get
* @param string $mode "latestimages-thumbnail"
* "latestimages-thumbnail-customcrop"
* "latestimages-sizedimage"
* "latestalbums-thumbnail"
* "latestalbums-thumbnail-customcrop"
* "latestalbums-sizedimage"
* "latestimagesbyalbum-thumbnail"
* "latestimagesbyalbum-thumbnail-customcrop"
* "latestimagesbyalbum-sizedimage"
* "latestupdatedalbums-thumbnail" (for RSS and getLatestNews() used only)
* "latestupdatedalbums-thumbnail-customcrop" (for RSS and getLatestNews() used only)
* "latestupdatedalbums-sizedimage" (for RSS and getLatestNews() used only)
* NOTE: The "latestupdatedalbums" variants do NOT support pagination as required on the news loop!
*
* @param string $published "published" for published articles,
* "unpublished" for un-published articles,
* "all" for all articles
* @param string $sortorder id, date or mtime, only for latestimages-... modes
* @param bool $sticky set to true to place "sticky" articles at the front of the list.
* @return array
*/
function getCombiNews($articles_per_page = '', $mode = '', $published = NULL, $sortorder = '', $sticky = true)
{
deprecated_function_notify(gettext('Use the Zenpage class method instead.'));
global $_zp_gallery, $_zp_flash_player;
processExpired('news');
if (is_null($published)) {
if (zp_loggedin(ZENPAGE_NEWS_RIGHTS)) {
$published = "all";
} else {
$published = "published";
}
}
if (empty($mode)) {
$mode = getOption("zenpage_combinews_mode");
}
if ($published == "published") {
$show = " WHERE `show` = 1 AND date <= '" . date('Y-m-d H:i:s') . "'";
$imagesshow = " AND images.show = 1 ";
} else {
$show = "";
$imagesshow = "";
}
$passwordcheck = "";
if (zp_loggedin(ZENPAGE_NEWS_RIGHTS)) {
$albumWhere = "";
$passwordcheck = "";
} else {
$albumscheck = query_full_array("SELECT * FROM " . prefix('albums') . " ORDER BY title");
foreach ($albumscheck as $albumcheck) {
if (!checkAlbumPassword($albumcheck['folder'])) {
$albumpasswordcheck = " AND albums.id != " . $albumcheck['id'];
$passwordcheck = $passwordcheck . $albumpasswordcheck;
}
}
$albumWhere = "AND albums.show=1" . $passwordcheck;
}
$limit = getLimitAndOffset($articles_per_page);
if (empty($sortorder)) {
$combinews_sortorder = getOption("zenpage_combinews_sortorder");
} else {
$combinews_sortorder = $sortorder;
}
$stickyorder = '';
if ($sticky) {
$stickyorder = 'sticky DESC,';
}
$type3 = query("SET @type3:='0'");
switch ($mode) {
case "latestimages-thumbnail":
case "latestimages-thumbnail-customcrop":
case "latestimages-sizedimage":
$sortorder = "images." . $combinews_sortorder;
$type1 = query("SET @type1:='news'");
$type2 = query("SET @type2:='images'");
switch ($combinews_sortorder) {
case 'id':
case 'date':
$imagequery = "(SELECT albums.folder, images.filename, images.date, @type2, @type3 as sticky FROM " . prefix('images') . " AS images, " . prefix('albums') . " AS albums\n\t\t\t\t\t\t\tWHERE albums.id = images.albumid " . $imagesshow . $albumWhere . ")";
break;
case 'mtime':
$imagequery = "(SELECT albums.folder, images.filename, FROM_UNIXTIME(images.mtime), @type2, @type3 as sticky FROM " . prefix('images') . " AS images, " . prefix('albums') . " AS albums\n\t\t\t\t\t\t\tWHERE albums.id = images.albumid " . $imagesshow . $albumWhere . ")";
break;
}
$result = query_full_array("(SELECT title as albumname, titlelink, date, @type1 as type, sticky FROM " . prefix('news') . " " . $show . ")\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tUNION\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t" . $imagequery . "\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tORDER BY {$stickyorder} date DESC {$limit}\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t");
break;
case "latestalbums-thumbnail":
case "latestalbums-thumbnail-customcrop":
case "latestalbums-sizedimage":
$sortorder = $combinews_sortorder;
$type1 = query("SET @type1:='news'");
$type2 = query("SET @type2:='albums'");
switch ($combinews_sortorder) {
case 'id':
case 'date':
$albumquery = "(SELECT albums.folder, albums.title, albums.date, @type2, @type3 as sticky FROM " . prefix('albums') . " AS albums\n\t\t\t\t\t\t\t" . $show . $albumWhere . ")";
break;
case 'mtime':
$albumquery = "(SELECT albums.folder, albums.title, FROM_UNIXTIME(albums.mtime), @type2, @type3 as sticky FROM " . prefix('albums') . " AS albums\n\t\t\t\t\t\t\t" . $show . $albumWhere . ")";
break;
}
$result = query_full_array("(SELECT title as albumname, titlelink, date, @type1 as type, sticky FROM " . prefix('news') . " " . $show . ")\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tUNION\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t" . $albumquery . "\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tORDER BY {$stickyorder} date DESC {$limit}\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t");
break;
case "latestimagesbyalbum-thumbnail":
case "latestimagesbyalbum-thumbnail-customcrop":
case "latestimagesbyalbum-sizedimage":
$type1 = query("SET @type1:='news'");
$type2 = query("SET @type2:='albums'");
if (empty($combinews_sortorder) || $combinews_sortorder != "date" || $combinews_sortorder != "mtime") {
$combinews_sortorder = "date";
}
$combinews_sortorder = "date";
$sortorder = "images." . $combinews_sortorder;
switch ($combinews_sortorder) {
case "date":
$imagequery = "(SELECT DISTINCT DATE_FORMAT(" . $sortorder . ",'%Y-%m-%d'), albums.folder, DATE_FORMAT(images.`date`,'%Y-%m-%d'), @type2 FROM " . prefix('images') . " AS images, " . prefix('albums') . " AS albums\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tWHERE albums.id = images.albumid " . $imagesshow . $albumWhere . ")";
break;
case "mtime":
$imagequery = "(SELECT DISTINCT FROM_UNIXTIME(" . $sortorder . ",'%Y-%m-%d'), albums.folder, DATE_FORMAT(images.`mtime`,'%Y-%m-%d'), @type2 FROM " . prefix('images') . " AS images, " . prefix('albums') . " AS albums\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tWHERE albums.id = images.albumid " . $imagesshow . $albumWhere . ")";
break;
}
$result = query_full_array("(SELECT title as albumname, titlelink, date, @type1 as type FROM " . prefix('news') . " " . $show . ")\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tUNION\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t" . $imagequery . "\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tORDER By date DESC {$limit}\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t");
//echo "<pre>"; print_r($result); echo "</pre>";
//$result = "";
break;
case "latestupdatedalbums-thumbnail":
case "latestupdatedalbums-thumbnail-customcrop":
case "latestupdatedalbums-sizedimage":
$latest = getNewsArticles($articles_per_page, '', NULL, true);
$counter = '';
foreach ($latest as $news) {
$article = new ZenpageNews($news['titlelink']);
if ($article->checkAccess($hint, $show)) {
$counter++;
$latestnews[$counter] = array("albumname" => $article->getTitle(), "titlelink" => $article->getTitlelink(), "date" => $article->getDateTime(), "type" => "news");
}
}
$albums = getAlbumStatistic($articles_per_page, "latestupdated");
$latestalbums = array();
$counter = "";
foreach ($albums as $album) {
$counter++;
$tempalbum = new Album($_zp_gallery, $album['folder']);
$tempalbumthumb = $tempalbum->getAlbumThumbImage();
$timestamp = $tempalbum->get('mtime');
if ($timestamp == 0) {
$albumdate = $tempalbum->getDateTime();
} else {
$albumdate = strftime('%Y-%m-%d %H:%M:%S', $timestamp);
}
$latestalbums[$counter] = array("albumname" => $tempalbum->getFolder(), "titlelink" => $tempalbum->getTitle(), "date" => $albumdate, "type" => 'albums');
}
//$latestalbums = array_merge($latestalbums, $item);
$latest = array_merge($latestnews, $latestalbums);
$result = sortMultiArray($latest, "date", true);
if (count($result) > $articles_per_page) {
$result = array_slice($result, 0, 10);
}
break;
}
//$result = "";
return $result;
}
/** For every album in the gallery, look for its file. Delete from the database
* if the file does not exist. Do the same for images. Clean up comments that have
* been left orphaned.
*
* Returns true if the operation was interrupted because it was taking too long
*
* @param bool $cascade garbage collect every image and album in the gallery.
* @param bool $complete garbage collect every image and album in the *database* - completely cleans the database.
* @param int $restart Image ID to restart scan from
* @return bool
*/
function garbageCollect($cascade = true, $complete = false, $restart = '')
{
if (empty($restart)) {
setOption('last_garbage_collect', time());
/* clean the comments table */
$this->commentClean('images');
$this->commentClean('albums');
$this->commentClean('news');
$this->commentClean('pages');
// clean up obj_to_tag
$dead = array();
$result = query_full_array("SELECT * FROM " . prefix('obj_to_tag'));
if (is_array($result)) {
foreach ($result as $row) {
$dbtag = query_single_row("SELECT * FROM " . prefix('tags') . " WHERE `id`='" . $row['tagid'] . "'");
if (!$dbtag) {
$dead['id'] = $row['id'];
}
switch ($row['type']) {
case 'album':
$tbl = 'albums';
break;
default:
$tbl = $row['type'];
break;
}
$dbtag = query_single_row("SELECT * FROM " . prefix($tbl) . " WHERE `id`='" . $row['objectid'] . "'");
if (!$dbtag) {
$dead['id'] = $row['id'];
}
}
}
if (!empty($dead)) {
query('DELETE FROM ' . prefix('obj_to_tag') . ' WHERE `id`=' . implode(' OR `id`=', $dead));
}
// clean up admin_to_object
$dead = array();
$result = query_full_array("SELECT * FROM " . prefix('admin_to_object'));
if (is_array($result)) {
foreach ($result as $row) {
$dbtag = query_single_row("SELECT * FROM " . prefix('administrators') . " WHERE `id`='" . $row['adminid'] . "'");
if (!$dbtag) {
$dead['id'] = $row['id'];
}
switch ($row['type']) {
case 'album':
$tbl = 'albums';
break;
default:
$tbl = $row['type'];
break;
}
$dbtag = query_single_row("SELECT * FROM " . prefix($tbl) . " WHERE `id`='" . $row['objectid'] . "'");
if (!$dbtag) {
$dead['id'] = $row['id'];
}
}
}
if (!empty($dead)) {
query('DELETE FROM ' . prefix('admin_to_object') . ' WHERE `id`=' . implode(' OR `id`=', $dead));
}
// clean up news2cat
$dead = array();
$result = query_full_array("SELECT * FROM " . prefix('news2cat'));
if (is_array($result)) {
foreach ($result as $row) {
$dbtag = query_single_row("SELECT * FROM " . prefix('news') . " WHERE `id`='" . $row['news_id'] . "'");
if (!$dbtag) {
$dead['id'] = $row['id'];
}
$dbtag = query_single_row("SELECT * FROM " . prefix('news_categories') . " WHERE `id`='" . $row['cat_id'] . "'");
if (!$dbtag) {
$dead['id'] = $row['id'];
}
}
}
if (!empty($dead)) {
query('DELETE FROM ' . prefix('news2cat') . ' WHERE `id`=' . implode(' OR `id`=', $dead));
}
// Check for the existence of top-level albums (subalbums handled recursively).
$sql = "SELECT * FROM " . prefix('albums');
$result = query($sql);
$dead = array();
$live = array('');
// purge the root album if it exists
$deadalbumthemes = array();
// Load the albums from disk
while ($row = db_fetch_assoc($result)) {
$valid = file_exists($albumpath = ALBUM_FOLDER_SERVERPATH . internalToFilesystem($row['folder'])) && (hasDynamicAlbumSuffix($albumpath) || is_dir($albumpath) && strpos($albumpath, '/./') === false && strpos($albumpath, '/../') === false);
if (!$valid || in_array($row['folder'], $live)) {
$dead[] = $row['id'];
if ($row['album_theme'] !== '') {
// orphaned album theme options table
$deadalbumthemes[$row['id']] = $row['folder'];
}
} else {
$live[] = $row['folder'];
}
}
if (count($dead) > 0) {
/* delete the dead albums from the DB */
$first = array_pop($dead);
$sql1 = "DELETE FROM " . prefix('albums') . " WHERE `id`='{$first}'";
$sql2 = "DELETE FROM " . prefix('images') . " WHERE `albumid`='{$first}'";
$sql3 = "DELETE FROM " . prefix('comments') . " WHERE `type`='albums' AND `ownerid`='{$first}'";
$sql4 = "DELETE FROM " . prefix('obj_to_tag') . " WHERE `type`='albums' AND `objectid`='{$first}'";
foreach ($dead as $albumid) {
$sql1 .= " OR `id` = '{$albumid}'";
$sql2 .= " OR `albumid` = '{$albumid}'";
$sql3 .= " OR `ownerid` = '{$albumid}'";
$sql4 .= " OR `objectid` = '{$albumid}'";
}
$n = query($sql1);
if (!$complete && $n && $cascade) {
query($sql2);
query($sql3);
query($sql4);
}
}
if (count($deadalbumthemes) > 0) {
// delete the album theme options tables for dead albums
foreach ($deadalbumthemes as $id => $deadtable) {
$sql = 'DELETE FROM ' . prefix('options') . ' WHERE `ownerid`=' . $id;
query($sql, false);
}
}
}
if ($complete) {
if (empty($restart)) {
/* refresh 'metadata' albums */
$albumids = query_full_array("SELECT `id`, `mtime`, `folder`, `dynamic` FROM " . prefix('albums'));
foreach ($albumids as $analbum) {
if (($mtime = filemtime(ALBUM_FOLDER_SERVERPATH . internalToFilesystem($analbum['folder']))) > $analbum['mtime']) {
// refresh
$album = new Album($this, $analbum['folder']);
$album->set('mtime', $mtime);
if ($album->isDynamic()) {
$data = file_get_contents($album->localpath);
while (!empty($data)) {
$data1 = trim(substr($data, 0, $i = strpos($data, "\n")));
if ($i === false) {
$data1 = $data;
$data = '';
} else {
$data = substr($data, $i + 1);
}
if (strpos($data1, 'WORDS=') !== false) {
$words = "words=" . urlencode(substr($data1, 6));
}
if (strpos($data1, 'THUMB=') !== false) {
$thumb = trim(substr($data1, 6));
}
if (strpos($data1, 'FIELDS=') !== false) {
$fields = "&searchfields=" . trim(substr($data1, 7));
}
}
if (!empty($words)) {
if (empty($fields)) {
$fields = '&searchfields=tags';
}
}
$album->set('search_params', $words . $fields);
$album->set('thumb', $thumb);
}
$album->save();
zp_apply_filter('album_refresh', $album);
}
}
/* Delete all image entries that don't belong to an album at all. */
$albumids = query_full_array("SELECT `id` FROM " . prefix('albums'));
/* all the album IDs */
$idsofalbums = array();
foreach ($albumids as $row) {
$idsofalbums[] = $row['id'];
}
$imageAlbums = query_full_array("SELECT DISTINCT `albumid` FROM " . prefix('images'));
/* albumids of all the images */
$albumidsofimages = array();
foreach ($imageAlbums as $row) {
$albumidsofimages[] = $row['albumid'];
}
$orphans = array_diff($albumidsofimages, $idsofalbums);
/* albumids of images with no album */
if (count($orphans) > 0) {
/* delete dead images from the DB */
$firstrow = array_pop($orphans);
$sql = "DELETE FROM " . prefix('images') . " WHERE `albumid`='" . $firstrow . "'";
foreach ($orphans as $id) {
$sql .= " OR `albumid`='" . $id . "'";
}
query($sql);
// Then go into existing albums recursively to clean them... very invasive.
foreach ($this->getAlbums(0) as $folder) {
$album = new Album($this, $folder);
if (!$album->isDynamic()) {
if (is_null($album->getDateTime())) {
// see if we can get one from an image
$images = $album->getImages(0, 0, 'date', 'DESC');
if (count($images) > 0) {
$image = newImage($album, array_shift($images));
$album->setDateTime($image->getDateTime());
}
}
$album->garbageCollect(true);
$album->preLoad();
}
$album->save();
zp_apply_filter('album_refresh', $album);
}
}
}
/* Look for image records where the file no longer exists. While at it, check for images with IPTC data to update the DB */
$start = array_sum(explode(" ", microtime()));
// protect against too much processing.
if (!empty($restart)) {
$restartwhere = ' WHERE `id`>' . $restart . ' AND `mtime`=0';
} else {
$restartwhere = ' WHERE `mtime`=0';
}
define('RECORD_LIMIT', 5);
$sql = 'SELECT * FROM ' . prefix('images') . $restartwhere . ' ORDER BY `id` LIMIT ' . (RECORD_LIMIT + 2);
$images = query_full_array($sql);
if (count($images) > 0) {
$c = 0;
foreach ($images as $image) {
$sql = 'SELECT `folder` FROM ' . prefix('albums') . ' WHERE `id`="' . $image['albumid'] . '";';
$row = query_single_row($sql);
$imageName = internalToFilesystem(ALBUM_FOLDER_SERVERPATH . $row['folder'] . '/' . $image['filename']);
if (file_exists($imageName)) {
$mtime = filemtime($imageName);
if ($image['mtime'] != $mtime) {
// file has changed since we last saw it
$imageobj = newImage(new Album($this, $row['folder']), $image['filename']);
$imageobj->set('mtime', $mtime);
$imageobj->updateMetaData();
// prime the EXIF/IPTC fields
$imageobj->updateDimensions();
// update the width/height & account for rotation
$imageobj->save();
zp_apply_filter('image_refresh', $imageobj);
}
} else {
$sql = 'DELETE FROM ' . prefix('images') . ' WHERE `id`="' . $image['id'] . '";';
$result = query($sql);
$sql = 'DELETE FROM ' . prefix('comments') . ' WHERE `type` IN (' . zp_image_types('"') . ') AND `ownerid` ="' . $image['id'] . '";';
$result = query($sql);
}
if (++$c >= RECORD_LIMIT) {
return $image['id'];
// avoide excessive processing
}
}
}
}
return false;
}
