public function getIndex()
{
$market = array();
$providers = Auth::user()->providers;
$query = MarketItem::whereIn('provider', $providers);
foreach ($query->get()->groupBy('post_id') as $key => $marketItem) {
$market[$key] = (new Collection($marketItem))->keyBy('action')->sortByDesc('updated_at');
}
return view('home', compact('market'));
}
