public function dashboard()
{
// get user number.
$this->data['user_count'] = DB::table('users')->count();
// get all roles.
$this->data['all_roles'] = Role::with(['users', 'perms'])->get();
// get all permissions ... now not work for me.
// $this->data['all_perms'] = Permission::all();
// get video count.
$this->data['video_count'] = DB::table('videos')->count();
// get blog count.
$this->data['blog_count'] = DB::table('blogs')->count();
// get subscriber count.
$this->data['subscriber_count'] = DB::table('subscribers')->count();
return $this->responseJson(['info' => $this->data]);
}