public function postDelete(Exchange $exchange)
{
$rules = array('confirm' => 'required|in:' . $exchange->name);
$validator = Validator::make(Input::all(), $rules);
if ($validator->fails()) {
return Redirect::route('exchange.delete', ['exchange' => $exchange->slug])->withErrors($validator)->withInput(Input::all());
} else {
$exchange->delete();
return Redirect::route('home');
}
}