From cabb4daded8df2762c07c5d7fbef05a8572cf7be Mon Sep 17 00:00:00 2001
From: Adam Townsend <adam@desnudopenguino.com>
Date: Thu, 12 Oct 2023 14:27:31 -0700
Subject: [PATCH] split up the nil? and empty? cases, because they are
 different situations

---
 app.rb | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/app.rb b/app.rb
index 5bd4ef7..b8501a6 100644
--- a/app.rb
+++ b/app.rb
@@ -50,9 +50,14 @@ class App < Roda
         end
 
         url = r.params['url']
-        if url.nil? or url.empty? 
+        if url.nil?
           response.status = 400
-          return {message: "Please enter a valid URL"}
+          return {message: "missing url parameter"}.to_json
+        end
+
+        if url.empty? 
+          response.status = 400
+          return {message: "invalid url parameter"}.to_json
         end
 
         if links.filter(:url => url).first.nil?