Fix update segment when the name is the same

[MAILPOET-3343]

lib/Segments/SegmentSaveController.php

@@ -16,18 +16,17 @@ class SegmentSaveController {
   }
 
   public function save(array $data = []): SegmentEntity {
-    $this->checkSegmenUniqueName($data['name'] ?? '');
-
     $id = isset($data['id']) ? (int)$data['id'] : null;
     $name = $data['name'] ?? '';
     $description = $data['description'] ?? '';
+    
+    $this->checkSegmenUniqueName($name, $id);
 
     return $this->segmentsRepository->createOrUpdate($name, $description, $id);
   }
 
-  private function checkSegmenUniqueName(string $name): void {
+  private function checkSegmenUniqueName(string $name, ?int $id): void {
-    $segment = $this->segmentsRepository->findOneBy(['name' => $name]);
+    if (!$this->segmentsRepository->isNameUnique($name, $id)) {
-    if ($segment) {
       throw new InvalidArgumentException("Segment with name: '{$name}' already exists.");
     }
   }

lib/Segments/SegmentsRepository.php

@@ -33,6 +33,23 @@ class SegmentsRepository extends Repository {
     return $countMap;
   }
 
+  public function isNameUnique(string $name, ?int $id): bool {
+    $qb = $this->doctrineRepository->createQueryBuilder('s')
+      ->select('s')
+      ->where('s.name = :name')
+      ->setParameter('name', $name);
+
+    if ($id !== null) {
+      $qb->andWhere('s.id != :id')
+        ->setParameter('id', $id);
+    }
+
+    $results = $qb->getQuery()
+      ->getResult();
+
+    return count($results) === 0;
+  }
+
   public function createOrUpdate(
     string $name,
     string $description = '',