app/Filament/Pages/GateOutEntry.php

@@ -54,6 +54,17 @@ class GateOutEntry extends Page implements HasForms
         $entry = VisitorEntry::where('register_id', $gatePass)->first();
 
         if ($entry) {
+
+            if (!empty($entry->out_time)) {
+                Notification::make()
+                    ->title('Already Exited')
+                    ->body('Gate pass has already been processed. Out time was already punched.')
+                    ->warning()
+                    ->send();
+                $this->filters['scan_out_gate_pass'] = '';
+                return;
+            }
+            else{
                 $entry->out_time = now();
                 $entry->save();
 
@@ -63,6 +74,7 @@ class GateOutEntry extends Page implements HasForms
                     ->success()
                     ->send();
                 $this->filters['scan_out_gate_pass'] = '';
+            }
         } else {
             Notification::make()
                 ->title('Invalid Gate Pass')