@Override
  public Map<Integer, DataApprovalLevel> getDataApprovalLevelMap() {
    List<DataApprovalLevel> levels = dataApprovalLevelStore.getAllDataApprovalLevels();

    return Maps.uniqueIndex(
        levels,
        new Function<DataApprovalLevel, Integer>() {
          @Override
          public Integer apply(DataApprovalLevel level) {
            return level.getLevel();
          }
        });
  }
  @Override
  public Set<OrganisationUnitLevel> getOrganisationUnitApprovalLevels() {
    Set<OrganisationUnitLevel> orgUnitLevels = new HashSet<>();

    List<DataApprovalLevel> dataApprovalLevels = dataApprovalLevelStore.getAllDataApprovalLevels();

    for (DataApprovalLevel level : dataApprovalLevels) {
      OrganisationUnitLevel orgUnitLevel =
          organisationUnitService.getOrganisationUnitLevelByLevel(level.getOrgUnitLevel());

      if (orgUnitLevel != null) {
        orgUnitLevels.add(orgUnitLevel);
      }
    }

    return orgUnitLevels;
  }
  @Override
  public List<DataApprovalLevel> getAllDataApprovalLevels() {
    List<DataApprovalLevel> dataApprovalLevels = dataApprovalLevelStore.getAllDataApprovalLevels();

    for (DataApprovalLevel dataApprovalLevel : dataApprovalLevels) {
      int ouLevelNumber = dataApprovalLevel.getOrgUnitLevel();

      OrganisationUnitLevel ouLevel =
          organisationUnitService.getOrganisationUnitLevelByLevel(ouLevelNumber);

      String ouLevelName =
          ouLevel != null ? ouLevel.getName() : "Organisation unit level " + ouLevelNumber;

      dataApprovalLevel.setOrgUnitLevelName(ouLevelName);
    }

    return dataApprovalLevels;
  }