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<?php
namespace OC\Pictures;
class DatabaseManager {
private static $instance = null;
protected $cache = array();
const TAG = 'DatabaseManager';
public static function getInstance() {
if (self::$instance === null)
self::$instance = new DatabaseManager();
return self::$instance;
}
protected function getPathData($path) {
$stmt = \OCP\DB::prepare('SELECT * FROM *PREFIX*pictures_images_cache
WHERE uid_owner LIKE ? AND path like ? AND path not like ?');
$path_match = $path.'/%';
$path_notmatch = $path.'/%/%';
$result = $stmt->execute(array(\OCP\USER::getUser(), $path_match, $path_notmatch));
$this->cache[$path] = array();
while (($row = $result->fetchRow()) != false) {
$this->cache[$path][$row['path']] = $row;
}
}
public function getFileData($path) {
$gallery_path = \OCP\Config::getSystemValue( 'datadirectory' ).'/'.\OC_User::getUser().'/gallery';
$path = $gallery_path.$path;
$dir = dirname($path);
if (!isset($this->cache[$dir])) {
$this->getPathData($dir);
}
if (isset($this->cache[$dir][$path])) {
return $this->cache[$dir][$path];
}
$image = new \OC_Image();
if (!$image->loadFromFile($path)) {
return false;
}
$stmt = \OCP\DB::prepare('INSERT INTO *PREFIX*pictures_images_cache (uid_owner, path, width, height) VALUES (?, ?, ?, ?)');
$stmt->execute(array(\OCP\USER::getUser(), $path, $image->width(), $image->height()));
$ret = array('path' => $path, 'width' => $image->width(), 'height' => $image->height());
unset($image);
$this->cache[$dir][$path] = $ret;
return $ret;
}
private function __construct() {}
}
class ThumbnailsManager {
private static $instance = null;
const TAG = 'ThumbnailManager';
public static function getInstance() {
if (self::$instance === null)
self::$instance = new ThumbnailsManager();
return self::$instance;
}
public function getThumbnail($path) {
$gallery_path = \OCP\Config::getSystemValue( 'datadirectory' ).'/'.\OC_User::getUser().'/gallery';
if (file_exists($gallery_path.$path)) {
return new \OC_Image($gallery_path.$path);
}
if (!\OC_Filesystem::file_exists($path)) {
\OC_Log::write(self::TAG, 'File '.$path.' don\'t exists', \OC_Log::WARN);
return false;
}
$image = new \OC_Image();
$image->loadFromFile(\OC_Filesystem::getLocalFile($path));
if (!$image->valid()) return false;
$image->fixOrientation();
$ret = $image->preciseResize(floor((150*$image->width())/$image->height()), 150);
if (!$ret) {
\OC_Log::write(self::TAG, 'Couldn\'t resize image', \OC_Log::ERROR);
unset($image);
return false;
}
$image->save($gallery_path.'/'.$path);
return $image;
}
public function getThumbnailInfo($path) {
$arr = DatabaseManager::getInstance()->getFileData($path);
if (!$arr) {
$thubnail = $this->getThumbnail($path);
unset($thubnail);
$arr = DatabaseManager::getInstance()->getFileData($path);
}
$ret = array('filepath' => $arr['path'],
'width' => $arr['width'],
'height' => $arr['height']);
return $ret;
}
public function delete($path) {
$thumbnail = \OCP\Config::getSystemValue('datadirectory').'/'.\OC_User::getUser()."/gallery".$path;
if (file_exists($thumbnail)) {
unlink($thumbnail);
}
}
private function __construct() {}
}
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