file_path(), $item->file_path(),
                               array("degrees" => $degrees));
      list($item->width, $item->height) = getimagesize($item->file_path());
      $item->resize_dirty= 1;
      $item->thumb_dirty= 1;
      $item->save();
      graphics::generate($item);
      $parent = $item->parent();
      if ($parent->album_cover_item_id == $item->id) {
        copy($item->thumb_path(), $parent->thumb_path());
        $parent->thumb_width = $item->thumb_width;
        $parent->thumb_height = $item->thumb_height;
        $parent->save();
      }
    }
    if (Input::instance()->get("page_type") == "album") {
      print json_encode(
        array("src" => $item->thumb_url() . "?rnd=" . rand(),
              "width" => $item->thumb_width,
              "height" => $item->thumb_height));
    } else {
      print json_encode(
        array("src" => $item->resize_url() . "?rnd=" . rand(),
              "width" => $item->resize_width,
              "height" => $item->resize_height));
    }
  }
  public function make_album_cover($id) {
    access::verify_csrf();
    $item = model_cache::get("item", $id);
    access::required("view", $item);
    access::required("view", $item->parent());
    access::required("edit", $item->parent());
    $msg = t("Made %title this album's cover", array("title" => html::purify($item->title)));
    item::make_album_cover($item);
    message::success($msg);
    print json_encode(array("result" => "success", "reload" => 1));
  }
  public function form_delete($id) {
    $item = model_cache::get("item", $id);
    access::required("view", $item);
    access::required("edit", $item);
    if ($item->is_album()) {
      print t(
        "Delete the album %title? All photos and movies in the album will also be deleted.",
        array("title" => html::purify($item->title)));
    } else {
      print t("Are you sure you want to delete %title?",
              array("title" => html::purify($item->title)));
    }
    $form = item::get_delete_form($item);
    print $form;
  }
  public function delete($id) {
    access::verify_csrf();
    $item = model_cache::get("item", $id);
    access::required("view", $item);
    access::required("edit", $item);
    if ($item->is_album()) {
      $msg = t("Deleted album %title", array("title" => html::purify($item->title)));
    } else {
      $msg = t("Deleted photo %title", array("title" => html::purify($item->title)));
    }
    $parent = $item->parent();
    $item->delete();
    message::success($msg);
    if (Input::instance()->get("page_type") == "album") {
      print json_encode(array("result" => "success", "reload" => 1));
    } else {
      print json_encode(array("result" => "success",
                              "location" => $parent->url()));
    }
  }
  public function form_edit($id) {
    $item = model_cache::get("item", $id);
    access::required("view", $item);
    access::required("edit", $item);
    if ($item->is_album()) {
      $form = album::get_edit_form($item);
    } else {
      $form = photo::get_edit_form($item);
    }
    print $form;
  }
}