Code: › <?php
/*
* 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; either version 2 of the License, or (at
* your option) any later version.
*
* 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.
*
* Developed by Dariush Molavi at NukedGallery.net
* Version 2.0
* 13 December 2003
*/
if (eregi("block-NG-RandomPhoto_functions.php",$_SERVER['PHP_SELF'])) {
Header("Location: index.php");
die();
}
global $gallery, $GALLERY_EMBEDDED_INSIDE, $GALLERY_EMBEDDED_INSIDE_TYPE, $GALLERY_MODULENAME, $Version_Num;
/*******************************************************************/
/* Full path to your Gallery, don't forget the trailing / */
/*******************************************************************/
$GALLERY_BASEDIR = "/web/htdocs/www.dwarf.it/home/modules/gallery/";
/*******************************************************************/
/* The module name of your Gallery, default is "gallery" */
/*******************************************************************/
$GALLERY_MODULENAME = "gallery";
/*******************************************************************/
/* Time, in seconds, to refresh random photo cache. Default is */
/* 86400 (check it daily) */
/*******************************************************************/
define(CACHE_EXPIRED, 10);
/*******************************************************************/
/* Full path to your albums directory, don't forget the trailing / */
/*******************************************************************/
define(ALBUM_DIRECTORY,"/web/htdocs/www.dwarf.it/home/albums/");
/*******************************************************************/
/* STOP!! DO NOT EDIT ANYTHING BELOW THIS POINT */
/*******************************************************************/
define(CACHE_FILE, ALBUM_DIRECTORY."block-random.cache");
$GALLERY_EMBEDDED_INSIDE = "nuke";
$GALLERY_EMBEDDED_INSIDE_TYPE = "phpnuke";
require_once($GALLERY_BASEDIR . "init.php");
function createBlockContent($album,$index,$scale,$auto=0) {
global $gallery, $GALLERY_EMBEDDED_INSIDE, $GALLERY_EMBEDDED_INSIDE_TYPE, $GALLERY_MODULENAME;
$id = $album->getPhotoId($index);
$caption = $album->getCaption($index);
$photo = $album->getPhoto($index);
$dir = $album->getAlbumDirURL("full");
$image = $photo->image;
$PHOTO_URL = makeAlbumUrl($album->fields['name'], $id);
$ALBUM_URL = makeAlbumUrl($album->fields['name']);
if($scale == 0) {
if($auto == 0) {
$IMG = "<center><a href=\"$PHOTO_URL\">".$album->getThumbnailTag($index)."</a><br>";
}
else {
$IMG = "<center><a href=\"$PHOTO_URL\" target=\"_top\">".$album->getThumbnailTag($index)."</a><br>";
}
} else {
if($auto == 0) {
$IMG = "<center><a href=\"$PHOTO_URL\">".$album->getThumbnailTag($index,$scale)."</a><br>";
}
else {
$IMG = "<center><a href=\"$PHOTO_URL\" target=\"_top\">".$album->getThumbnailTag($index,$scale)."</a><br>";
}
}
$FROM = "From: <a href=\"$ALBUM_URL\">" . $album->fields['title'] . '</a>';
$blockContent .= "\t$IMG\n";
$blockContent .= "\t$caption<br />\n";
$blockContent .= "\t$FROM\n</center>";
return $blockContent;
}
function get_photo($interval, $scale,$auto=0) {
global $gallery, $GALLERY_EMBEDDED_INSIDE, $GALLERY_EMBEDDED_INSIDE_TYPE, $GALLERY_MODULENAME;
switch ($interval) {
case 0:
list($album,$index) = get_random_photo_id();
while($album->isAlbumName($index)) {
list($album,$index) = get_random_photo_id();
}
$blockContent = createBlockContent($album,$index,$scale,$auto);
return $blockContent;
break;
case 1:
if (file_exists($gallery->app->albumDir."/hourly.txt")) {
$stat=stat($gallery->app->albumDir."/hourly.txt");
$modtime = $stat['mtime'];
if(date("G", $modtime) != date("G", time())) {
list($album,$index) = get_random_photo_id();
while($album->isAlbumName($index)) {
list($album,$index) = get_random_photo_id();
}
$blockContent = createBlockContent($album,$index,$scale);
$fp = fopen($gallery->app->albumDir."/hourly.txt","w");
fwrite($fp,$album->fields['name']."/".$index);
fclose($fp);
return $blockContent;
}
else {
$fp = fopen($gallery->app->albumDir."/hourly.txt","r");
$line = explode("/",fgets($fp));
$albumName = $line[0];
$album = new Album();
$album->load($albumName);
$index = $line[1];
$blockContent = createBlockContent($album,$index,$scale);
return $blockContent;
}
}
else {
list($album,$index) = get_random_photo_id();
while($album->isAlbumName($index)) {
list($album,$index) = get_random_photo_id();
}
$blockContent = createBlockContent($album,$index,$scale);
$fp = fopen($gallery->app->albumDir."/hourly.txt","w");
fwrite($fp,$album->fields['name']."/".$index);
fclose($fp);
return $blockContent;
}
break;
case 24:
if (file_exists($gallery->app->albumDir."/daily.txt")) {
$stat=stat($gallery->app->albumDir."/daily.txt");
$modtime = $stat['mtime'];
if(date("d", $modtime) != date("d", time())) {
list($album,$index) = get_random_photo_id();
while($album->isAlbumName($index)) {
list($album,$index) = get_random_photo_id();
}
$blockContent = createBlockContent($album,$index,$scale);
$fp = fopen($gallery->app->albumDir."/daily.txt","w");
fwrite($fp,$album->fields['name']."/".$index);
fclose($fp);
return $blockContent;
}
else {
$fp = fopen($gallery->app->albumDir."/daily.txt","r");
$line = explode("/",fgets($fp));
$albumName = $line[0];
$album = new Album();
$album->load($albumName);
$index = $line[1];
$blockContent = createBlockContent($album,$index,$scale);
return $blockContent;
}
}
else {
list($album,$index) = get_random_photo_id();
while($album->isAlbumName($index)) {
list($album,$index) = get_random_photo_id();
}
$blockContent = createBlockContent($album,$index,$scale);
$fp = fopen($gallery->app->albumDir."/daily.txt","w");
fwrite($fp,$album->fields['name']."/".$index);
fclose($fp);
return $blockContent;
}
break;
}
}
function get_random_photo_id(){
/* Initializing the seed */
srand ((double) microtime() * 1000000);
// Check the cache file to see if it's up to date
$rebuild = 0;
if (fs_file_exists(CACHE_FILE)) {
$stat = fs_stat(CACHE_FILE);
$mtime = $stat[9];
if ((time() - $mtime) > CACHE_EXPIRED) {
$rebuild = 1;
}
}
else {
$rebuild = 1;
}
if ($rebuild) {
scanalbums();
savecache();
}
else {
readcache();
}
$album = choosealbum();
if ($album) {
$index = choosephoto($album);
}
return array($album,$index);
}
function savecache() {
global $cache;
$fd = fopen(CACHE_FILE, "w");
foreach ($cache as $key => $val) {
fwrite($fd, "$key/$val\n");
}
fclose($fd);
}
function readcache() {
global $cache;
if ($fd = fs_fopen(CACHE_FILE, "r")) {
while ($line = fgets($fd, 4096)) {
list($key, $val) = explode("/", $line);
$cache[$key] = $val;
}
fclose($fd);
}
}
function choosephoto($album) {
global $cache, $gallery;
$count = $cache[$album->fields["name"]];
if ($count == 0) {
// Shouldn't happen
return null;
} else if ($count == 1) {
$choose = 1;
} else {
$count = floatval($count);
$choose = rand(1, $count);
$wrap = 0;
if ($album->isHidden($choose)) {
$choose++;
if ($choose > $album->numPhotos(1)) {
$choose = 1;
$wrap++;
if ($wrap = 2) {
return null;
}
}
}
}
return $choose;
}
function choosealbum() {
global $cache;
/*
* The odds that an album will be selected is proportional
* to the number of (visible) items in the album.
*/
$total = 0;
foreach ($cache as $name => $count) {
if (!$choose) {
$choose = $name;
}
$total += $count;
if ($total != 0 && ($total == 1 || rand(1, $total) <= $count)) {
$choose = $name;
}
}
if ($choose) {
$album = new Album();
$album->load($choose);
return $album;
} else {
return null;
}
}
function scanalbums() {
global $cache;
global $gallery;
$cache = array();
$everybody = $gallery->userDB->getEverybody();
$albumDB = new AlbumDB();
foreach ($albumDB->albumList as $tmpAlbum) {
if ($everybody->canReadAlbum($tmpAlbum)) {
$seeHidden = $everybody->canWriteToAlbum($tmpAlbum);
$numPhotos = $tmpAlbum->numPhotos($seeHidden);
$name = $tmpAlbum->fields["name"];
if ($numPhotos > 0) {
$cache[$name] = $numPhotos;
}
}
}
}
?>
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