/**
* Get published items
*
* @return array
*/
static function getPublishedItems()
{
$items = Content::orWhere(function ($query) {
$query->where('publish_start', '<', date('Y-m-d'));
$query->where('publish_end', '<', date('Y-m-d'));
})->orWhere(function ($query) {
$query->where('publish_start', '<', date('Y-m-d'));
$query->whereNull('publish_end');
})->orWhere(function ($query) {
$query->whereNull('publish_start');
$query->where('publish_end', '>', date('Y-m-d'));
})->get();
return $items;
}