From f4356168b4ce6eb791b739dd7badfba7c2d79501 Mon Sep 17 00:00:00 2001
From: Manny Dinssa <44172848+Dinssa@users.noreply.github.com>
Date: Mon, 10 Mar 2025 17:45:18 +0000
Subject: [PATCH] Check if the query is nil when using the address-search api

---
 app/controllers/address_search_controller.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/controllers/address_search_controller.rb b/app/controllers/address_search_controller.rb
index 90d813d6d..4fc8d997a 100644
--- a/app/controllers/address_search_controller.rb
+++ b/app/controllers/address_search_controller.rb
@@ -5,7 +5,9 @@ class AddressSearchController < ApplicationController
   def index
     query = params[:query]
 
-    if query.match?(/\A\d+\z/) && query.length > 5
+    if query.nil?
+      render json: { error: "Query cannot be blank." }, status: :bad_request
+    elsif query.match?(/\A\d+\z/) && query.length > 5
       # Query is all numbers and greater than 5 digits, assume it's a UPRN
       service = UprnClient.new(query)
       service.call