feat: Improve the loading of users by group - MEED-10462 - Meeds-io/MIPs#237

exo.core.component.organization.api/src/main/java/org/exoplatform/services/organization/UserHandler.java

@@ -200,6 +200,18 @@ default ListAccess<User> findUsersByQuery(Query query, List<String> groupIds, Us
       throw new UnsupportedOperationException();
    }
 
+   /**
+    * This method return the list of the users in a given
+    * group.
+    *
+    * @param groupId id of the group.
+    * @return return a list of identifiers of users in the group
+    * @throws Exception any exception
+    */
+    default List<String> findUserNamesByGroupId(String groupId) {
+       throw new UnsupportedOperationException();
+    }
+
    /**
     * This method should search and return the list of the users in a given
     * group.

exo.core.component.organization.api/src/main/java/org/exoplatform/services/organization/impl/mock/DummyOrganizationService.java

@@ -439,6 +439,11 @@ public ListAccess<User> findUsersByQuery(Query query, UserStatus status) throws
       {
          return findAllUsers(status);
       }
+
+      @Override
+      public List<String> findUserNamesByGroupId(String groupId) {
+         return Arrays.stream(new String[] {"john", "test"}).toList();
+      }
    }
 
    public static class GroupHandlerImpl implements GroupHandler