/**
* Update a tag in the database.
*
* @param Request $request
* @param int $id
* @return Response
*/
public function update(Request $request, $id)
{
$tag = Tag::findOrFail($id);
$this->validate($request, $this->rules);
$tag->title = $request->input('title');
$tag->save();
return redirect()->route('tag.view', ['id' => $tag->id]);
}
