From 47f874159242cbd6e7a1c8fde478f7398d2aace4 Mon Sep 17 00:00:00 2001
From: Adam Townsend <adam@desnudopenguino.com>
Date: Fri, 22 Sep 2023 15:11:06 -0700
Subject: [PATCH] added logic to prevent duplicate url's from being entered, it
 just fetches the url and load it instead

---
 app.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app.rb b/app.rb
index a7a9ba5..736d0dc 100644
--- a/app.rb
+++ b/app.rb
@@ -19,8 +19,10 @@ class App < Roda
 
     r.post "create" do
       url = r.params['url']
-      code = SecureRandom.urlsafe_base64 4
-      links.insert(url: url, code: code) 
+      if nil == links.filter(:url => url).first
+        code = SecureRandom.urlsafe_base64 5
+        links.insert(url: url, code: code) 
+      end
       @new_link = 'http://' + request.env['HTTP_HOST'] + '/' + links.filter(:url => url).first[:code]
       view :create   
     end