public function images_rotate()
{
$view = $this->getView();
$request = $this->getPageRequest();
if (!$request->isJSON()) {
return View::ERROR_BADREQUEST;
}
$albumid = $request->getParameter(0);
$album = new GalleryAlbumModel($albumid);
$image = new GalleryImageModel($request->getParameter('image'));
$rotate = $request->getParameter('rotate');
$view->contenttype = View::CTYPE_JSON;
if (!$albumid) {
return View::ERROR_BADREQUEST;
}
if (!$album->exists()) {
return View::ERROR_NOTFOUND;
}
if (!$image->exists()) {
return View::ERROR_NOTFOUND;
}
if ($image->get('albumid') != $album->get('id')) {
return View::ERROR_BADREQUEST;
}
$manager = \Core\user()->checkAccess('p:/gallery/manage_all');
$editor = \Core\user()->checkAccess($album->get('editpermissions')) || $manager;
$uploader = \Core\user()->checkAccess($album->get('uploadpermissions')) || $editor;
if (!$uploader) {
return View::ERROR_ACCESSDENIED;
}
// Uploaders only can only edit their own image!
if (!$editor && $image->get('uploaderid') != \Core\user()->get('id')) {
return View::ERROR_ACCESSDENIED;
}
// According to GD:
// 0
// 90 270
// 180
// The new rotation is based on the previous and the direction.
$current = $image->get('rotation');
$new = null;
if ($rotate == 'cw') {
if ($current == 0) {
$new = 270;
} elseif ($current > 270) {
$new = 270;
} elseif ($current > 180) {
$new = 180;
} elseif ($current > 90) {
$new = 90;
} else {
$new = 0;
}
} else {
if ($current == 0) {
$new = 90;
} elseif ($current < 90) {
$new = 90;
} elseif ($current < 180) {
$new = 180;
} elseif ($current < 270) {
$new = 270;
} else {
$new = 0;
}
}
$image->set('rotation', $new);
$image->save();
$view->jsondata = array('status' => '1', 'message' => 'Rotated image');
}
