nextcloud/apps/gallery/lib/scanner.php

76 lines
2.7 KiB
PHP

<?php
require_once('base.php'); // base lib
require_once('images_utils.php');
class OC_Gallery_Scanner {
public static function scan($root) {
$albums = array();
self::scanDir($root, $albums);
return $albums;
}
public static function cleanUp() {
$stmt = OC_DB::prepare('DELETE FROM *PREFIX*gallery_albums');
$stmt->execute(array());
$stmt = OC_DB::prepare('DELETE FROM *PREFIX*gallery_photos');
$stmt->execute(array());
}
public static function scanDir($path, &$albums) {
$current_album = array('name'=> $path, 'imagesCount' => 0, 'images' => array());
$current_album['name'] = str_replace('/', '.', str_replace(OC::$CONFIG_DATADIRECTORY, '', $current_album['name']));
$current_album['name'] = ($current_album['name']==='') ?
'main' :
trim($current_album['name'],'.');
if ($dh = OC_Filesystem::opendir($path)) {
while (($filename = readdir($dh)) !== false) {
$filepath = $path.'/'.$filename;
if (substr($filename, 0, 1) == '.') continue;
if (OC_Filesystem::is_dir($filepath)) {
self::scanDir($filepath, $albums);
} elseif (self::isPhoto($path.'/'.$filename)) {
$current_album['images'][] = $filepath;
}
}
}
$current_album['imagesCount'] = count($current_album['images']);
$albums[] = $current_album;
$result = OC_Gallery_Album::find(OC_User::getUser(), $current_album['name']);
if ($result->numRows() == 0 && count($current_album['images'])) {
OC_Gallery_Album::create(OC_User::getUser(), $current_album['name']);
$result = OC_Gallery_Album::find(OC_User::getUser(), $current_album['name']);
}
$albumId = $result->fetchRow();
$albumId = $albumId['album_id'];
foreach ($current_album['images'] as $img) {
$result = OC_Gallery_Photo::find($albumId, $img);
if ($result->numRows() == 0) {
OC_Gallery_Photo::create($albumId, $img);
}
}
if (count($current_album['images'])) {
self::createThumbnail($current_album['name'],$current_album['images']);
}
}
public static function createThumbnail($albumName, $files) {
$file_count = min(count($files), 10);
$thumbnail = imagecreatetruecolor($file_count*200, 200);
for ($i = 0; $i < $file_count; $i++) {
CroppedThumbnail(OC_Config::getValue("datadirectory").'/'. OC_User::getUser() .'/files/'.$files[$i], 200, 200, $thumbnail, $i*200);
}
imagepng($thumbnail, OC_Config::getValue("datadirectory").'/'. OC_User::getUser() .'/gallery/' . $albumName.'.png');
}
public static function isPhoto($filename) {
if (substr(OC_Filesystem::getMimeType($filename), 0, 6) == "image/")
return 1;
return 0;
}
}
?>