From b75b83039981123131869f93b20c4f0dc6f26777 Mon Sep 17 00:00:00 2001
From: Sergey Nuyanzin <snuyanzin@gmail.com>
Date: Fri, 17 Nov 2023 13:18:28 +0100
Subject: [PATCH] Use set for roles

Signed-off-by: Sergey Nuyanzin <snuyanzin@gmail.com>
---
 core/src/main/java/io/aiven/klaw/service/MailUtils.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/io/aiven/klaw/service/MailUtils.java b/core/src/main/java/io/aiven/klaw/service/MailUtils.java
index a51bcca5de..0fd52a5805 100644
--- a/core/src/main/java/io/aiven/klaw/service/MailUtils.java
+++ b/core/src/main/java/io/aiven/klaw/service/MailUtils.java
@@ -11,10 +11,12 @@
 import io.aiven.klaw.model.enums.MailType;
 import io.aiven.klaw.model.enums.PermissionType;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import lombok.extern.slf4j.Slf4j;
@@ -635,7 +637,7 @@ private List<String> getAllUsersWithPermissionToApproveRequest(
     Map<String, List<String>> rolesToPermissions =
         manageDatabase.getRolesPermissionsPerTenant(tenantId);
 
-    List<String> roles = new ArrayList<>();
+    Set<String> roles = new HashSet<>();
 
     rolesToPermissions.forEach(
         (k, v) -> {