/modules.php?op=modload&name=gallery&file=index&include=block-random.php * * Mambo / Joomla : * http:///index.php?option=com_gallery&Itemid=XXX */ // Random block does not require authentication of any sort... don't use sessions $GALLERY_NO_SESSIONS = 1; require(dirname(__FILE__) . "/init.php"); define('CACHE_FILE', $gallery->app->albumDir . "/block-random.dat"); define('CACHE_EXPIRED', $gallery->app->blockRandomCache); // Check the cache file to see if it's up to date $rebuild = 1; if (fs_file_exists(CACHE_FILE)) { $stat = fs_stat(CACHE_FILE); $mtime = $stat[9]; if ((time() - $mtime) < CACHE_EXPIRED) { $rebuild = 0; } } if ($rebuild) { scanAlbums(); saveGalleryBlockRandomCache(); } else { readGalleryBlockRandomCache(); } $i = 0; do { $success = doPhoto(); $i++; } while (empty($success) && $i < $gallery->app->blockRandomAttempts); if (empty($success)) { echo gTranslate('core', "No photo chosen."); } function doPhoto() { $album = chooseAlbum(); if (!empty($album)) { $index = choosePhoto($album); } if (!empty($index)) { $id = $album->getPhotoId($index); $caption = $album->getCaption($index) ? '
'. $album->getCaption($index) : ''; $photoUrl = makeAlbumUrl($album->fields['name'], $id); $imageUrl = $album->getThumbnailTag($index); $albumUrl = makeAlbumUrl($album->fields['name']); $albumTitle = $album->fields['title']; ?>
$albumTitle"); ?>
fields["name"]]; if ($count == 0) { // Shouldn't happen return null; } elseif ($count == 1) { $choose = 1; if ($album->isAlbum($choose)) { return null; } } else { $choose = mt_rand(1, $count); $wrap = 0; while ($album->isHiddenRecurse($choose) || $album->isAlbum($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 => $count) { if (empty($choose)) { $choose = $name; } $total += $count; if ($total != 0 && ($total == 1 || mt_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 $tmpAlbum) { if ($tmpAlbum->canReadRecurse($everybody->getUid()) && !$tmpAlbum->isHiddenRecurse()) { $seeHidden = $everybody->canWriteToAlbum($tmpAlbum); $numPhotos = $tmpAlbum->numPhotos($seeHidden); $name = $tmpAlbum->fields["name"]; if ($numPhotos > 0) { $cache[$name] = $numPhotos; } } } } ?>