public function getCompose()
    {
        $acquaintances = Auth::user()->getAcquaintances();

        if ($acquaintances->isEmpty()) {
            return redirect()->to('/account/contacts')->withStatus('Your contacts list is empty.');
        }

        return view('mustard::messages.compose', [
            'acquaintances' => $acquaintances->sortBy('username', SORT_NATURAL | SORT_FLAG_CASE),
            'message'       => new Message(),
        ]);
    }