Feat: Add even more guards

src/EventListener/DispositionWorkflowGuardSubscriber.php

@@ -69,6 +69,16 @@ class DispositionWorkflowGuardSubscriber implements EventSubscriberInterface
         $destination = $assignment->getDestination();
         $today = new \DateTimeImmutable();
 
+        $contractDocument = $disposition->getDocumentByType(Upload::TYPE_CONTRACT);
+
+        if (null === $contractDocument || Upload::STATUS_CHECKED !== $contractDocument->getStatus()) {
+            $message = $this
+                ->translator
+                ->trans('message.upload_invoice.contract_missing_or_not_checked')
+            ;
+            $event->setBlocked(true, $message);
+        }
+
         $earliestDate = $destination->getDateFrom();
 
         if ($earliestDate > $today) {