Improvements for host selection, store ftn message in utf8

app/Http/Controllers/SystemController.php

@@ -79,22 +79,20 @@ class SystemController extends Controller
 					'host_id_new' => [
 						'required',
 						new TwoByteInteger,
-						function ($attribute,$value,$fail) {
+						function ($attribute,$value,$fail) use ($request) {
 							// Check that the region doesnt already exist
 							$o = Address::where(function($query) use ($value) {
 								return $query->where('region_id',$value)
-									->where('host_id',0)
-									->where('node_id',0)
-									->where('point_id',0)
 									->where('role',DomainController::NODE_RC);
 							})
 							// Check that a host doesnt already exist
 							->orWhere(function($query) use ($value) {
 								return $query->where('host_id',$value)
-									->where('node_id',0)
-									->where('point_id',0)
 									->where('role',DomainController::NODE_NC);
-							});
+							})
+							->where('zone_id',$request->post('zone_id'))
+							->where('point_id',0)
+							->where('active',TRUE);
 
 							if ($o->count()) {
 								$fail('Region or host already exists');