* @param uploadedBanner uploaded banner
* @return url of requested page, so it will be re-displayed to user
*/
@RequestMapping(value = "/banners/upload", method = RequestMethod.POST)
public String upload(@ModelAttribute Banner uploadedBanner, HttpServletRequest request) {
Component component = componentService.getComponentOfForum();
bannerService.uploadBanner(uploadedBanner, component);
return "redirect:" + getSourcePageUrl(request);
}