private void maybeSendEmail()

in java/com/google/gerrit/plugins/checks/ChecksUpdate.java [183:243]
54 lines of code
8 McCabe index (conditional complexity)

  private void maybeSendEmail(
      @Nullable NotifyHandling notifyHandling,
      @Nullable Map<RecipientType, NotifyInfo> notifyDetails,
      Check updatedCheck,
      CombinedCheckState oldCombinedCheckState,
      CombinedCheckState newCombinedCheckState)
      throws BadRequestException, IOException, ConfigInvalidException {
    if (oldCombinedCheckState == newCombinedCheckState) {
      // do not send an email if the combined check state was not updated
      return;
    }

    CheckKey checkKey = updatedCheck.key();
    ChangeNotes changeNotes =
        notesFactory.create(checkKey.repository(), checkKey.patchSet().changeId());
    if (!checkKey.patchSet().equals(changeNotes.getCurrentPatchSet().id())) {
      // do not send an email for non-current patch sets
      return;
    }

    notifyHandling =
        notifyHandling != null
            ? notifyHandling
            : newCombinedCheckState == CombinedCheckState.SUCCESSFUL
                    || newCombinedCheckState == CombinedCheckState.NOT_RELEVANT
                ? NotifyHandling.ALL
                : NotifyHandling.OWNER;
    NotifyResolver.Result notify = notifyResolver.resolve(notifyHandling, notifyDetails);

    try {
      CombinedCheckStateUpdatedSender sender =
          combinedCheckStateUpdatedSenderFactory.create(
              checkKey.repository(), checkKey.patchSet().changeId());

      if (currentUser.isPresent()) {
        sender.setFrom(currentUser.get().getAccountId());
      }

      PatchSet patchSet = psUtil.get(changeNotes, checkKey.patchSet());
      sender.setPatchSet(patchSet);
      sender.setCombinedCheckState(oldCombinedCheckState, newCombinedCheckState);
      sender.setCheck(
          checkers
              .getChecker(checkKey.checkerUuid())
              .orElseThrow(
                  () ->
                      new IllegalStateException(
                          String.format(
                              "checker %s of check %s not found",
                              checkKey.checkerUuid(), checkKey))),
          updatedCheck);
      sender.setNotify(notify);
      sender.setChecksByChecker(getAllChecksByChecker(checkKey));
      sender.setMessageId(
          messageIdGenerator.fromChangeUpdate(checkKey.repository(), checkKey.patchSet()));
      sender.send();
    } catch (Exception e) {
      logger.atSevere().withCause(e).log(
          "Cannot email update for change %s", checkKey.patchSet().changeId());
    }
  }