app/controllers/tanshuku/urls_controller.rb in tanshuku-0.0.12 vs app/controllers/tanshuku/urls_controller.rb in tanshuku-0.0.13

@@ -1,8 +1,14 @@
 # frozen_string_literal: true
 
 module Tanshuku
+  # A Rails controller class for finding a {Tanshuku::Url} record and redirecting to its shortened URL.
   class UrlsController < ActionController::API
+    # Finds a {Tanshuku::Url} record from the given +key+ parameter and redirects to its shortened URL.
+    #
+    # @return [void]
+    #
+    # @raise [ActiveRecord::NotFound] If no {Tanshuku::Url} record is found for the given +key+.
     def show
       url = Url.find_by!(key: params[:key])
       redirect_to url.url, status: :moved_permanently, allow_other_host: true
     end
   end