public function store(PostsRequest $request)
{
$post = new Post();
$post->title = $request->input('title');
$post->content = $request->input('content');
$post->save();
}
public function update($id, PostsRequest $request)
{
$post = Post::findorfail($id);
$post->update($request->all());
$post->tags()->sync($request->input('tag_list'));
session()->flash('flash_message', 'Your post has been updated!');
return redirect('posts');
}