From 4c5d38d5b595fe9f2dc33b046a35164d5757ea55 Mon Sep 17 00:00:00 2001
From: Piet Schijven <piet.schijven@innoq.com>
Date: Wed, 19 Jun 2024 15:11:52 +0200
Subject: [PATCH] OpenCode Issue 13: Correct handling of search requests
 without search query parameter.

---
 app/controllers/search_results_controller.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/app/controllers/search_results_controller.rb b/app/controllers/search_results_controller.rb
index 1d3a098de..0f54d574b 100644
--- a/app/controllers/search_results_controller.rb
+++ b/app/controllers/search_results_controller.rb
@@ -91,7 +91,7 @@ def index
 
     @remote_result_collections = []
 
-    if params[:query]
+    if params[:query].present?
       # Deal with language parameter patterns
       languages = []
       # Either "l[]=de&l[]=en" as well as "l=de,en" should be possible
@@ -142,6 +142,15 @@ def index
         }
         format.any(:ttl, :rdf, :nt)
       end
+    else
+      respond_to do |format|
+        format.html do
+          render :index
+        end
+        format.any(:ttl) do
+          head :bad_request
+        end
+      end
     end
   end