Enable admin setting user for a system

app/Http/Controllers/SystemController.php

@@ -16,7 +16,7 @@ use Illuminate\Support\ViewErrorBag;
 use App\Classes\FTN\Message;
 use App\Http\Requests\{AddressMerge,AreafixRequest,SystemRegister};
 use App\Jobs\AddressPoll;
-use App\Models\{Address,Echoarea,Filearea,Netmail,Setup,System,SystemZone,Zone};
+use App\Models\{Address,Echoarea,Filearea,Netmail,Setup,System,Zone};
 use App\Notifications\Netmails\AddressLink;
 use App\Rules\{FidoInteger,TwoByteInteger};
 
@@ -49,6 +49,10 @@ class SystemController extends Controller
 				->transform(function($item) { $item['active'] = Arr::get($item,'active',FALSE); return $item; });
 
 			$o->mailers()->sync($mailers);
+			if ($request->post('users') && array_filter($request->post('users'),function($item) { return $item; }))
+				$o->users()->sync($request->post('users'));
+			else
+				$o->users()->detach();
 
 			return redirect()->to('system');
 		}

app/Http/Requests/SystemRegister.php

@@ -78,6 +78,7 @@ class SystemRegister extends FormRequest
 				'mailer_details.*.port' => 'nullable|digits_between:2,5',
 				'zt_id' => 'nullable|size:10|regex:/^([A-Fa-f0-9]){10}$/|unique:systems,zt_id,'.($so->exists ? $so->id : 0),
 				'pkt_type' => ['required',Rule::in(array_keys(Packet::PACKET_TYPES))],
+				'users' => 'nullable|array|min:1|max:2',
 			] : [],
 			$so->exists ? [
 				'active' => 'required|boolean',