public String saveTenant()

in app/src/main/java/com/amazon/aws/partners/saasfactory/pgrls/controller/TenantController.java [139:191]
52 lines of code
16 McCabe index (conditional complexity)

    public String saveTenant(Authentication authentication, @ModelAttribute User user, BindingResult binding, Model model, final RedirectAttributes redirectAttributes, WebRequest request) {
        String view = null;
        if (user.getEmail() == null || user.getEmail().isEmpty()) {
            binding.addError(new FieldError("user", "email", "User email is required"));
            view = "editUser";
        } else if (user.getGivenName() == null || user.getGivenName().isEmpty()) {
            binding.addError(new FieldError("user", "giveName", "User first name is required"));
            view = "editUser";
        } else if (user.getFamilyName() == null || user.getFamilyName().isEmpty()) {
            binding.addError(new FieldError("user", "familyName", "User last name is required"));
            view = "editUser";
        } else if (user.getTenant() == null || user.getTenant().getId() == null) {
            String requestedTenantId = request.getParameter("tenant");
            if (requestedTenantId != null && !requestedTenantId.isEmpty() && adminService.tenantExists(UUID.fromString(requestedTenantId))) {
                Tenant authenticatedTenant = (Tenant) authentication.getPrincipal();
                LOGGER.warn("Row Level Security policies prevented " + authenticatedTenant.getIdAsString() + " from accessing data for tenant " + requestedTenantId);
                redirectAttributes.addFlashAttribute("css", "danger");
                redirectAttributes.addFlashAttribute("msg", "Row Level Security policies prevented " + authenticatedTenant.getIdAsString() + " from accessing data for tenant " + requestedTenantId);
                view = "redirect:/tenant";
            } else {
                LOGGER.error("Unable to load tenant for user from input " + requestedTenantId);
                redirectAttributes.addFlashAttribute("css", "danger");
                redirectAttributes.addFlashAttribute("msg", "Unable to load tenant for user from input");
                view = "redirect:/tenant";
            }
        } else {
            try {
                boolean isNew = (user.getId() == null);
                LOGGER.info("Saving {}user {}", isNew ? "new " : "", user.getEmail());
                user = tenantService.saveUser(user);
                redirectAttributes.addFlashAttribute("css", "success");
                if (isNew) {
                    redirectAttributes.addFlashAttribute("msg", "New user added");
                } else {
                    redirectAttributes.addFlashAttribute("msg", "User updated");
                }
                // Add the tenant back into model for the redirect
                redirectAttributes.addFlashAttribute("selectedTenant", user.getTenant().getId());
                view = "redirect:/tenant";
            } catch (UnauthorizedException e) {
                LOGGER.warn("Authenticated tenant is not authorized to save user for current tenant");
                Tenant authenticatedTenant = (Tenant) authentication.getPrincipal();
                redirectAttributes.addFlashAttribute("css", "danger");
                redirectAttributes.addFlashAttribute("msg", "Row Level Security policies prevented " + authenticatedTenant.getIdAsString() + " from creating a user");
                view = "editUser";
            } catch (UniqueRecordException e) {
                LOGGER.warn("Duplicate user email error");
                binding.addError(new FieldError("user", "email", "User already exists"));
                view = "editUser";
            }
        }
        return view;
    }