From 18e027feb9582ec61c3f6a8c542d91cf1aacc28f Mon Sep 17 00:00:00 2001
From: joshua stein <jcs@jcs.org>
Date: Wed, 1 Apr 2015 01:02:22 -0500
Subject: [PATCH] add a short id redirector for comments

---
 app/controllers/comments_controller.rb | 8 ++++++++
 config/routes.rb                       | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/app/controllers/comments_controller.rb b/app/controllers/comments_controller.rb
index f880213..0ef4394 100644
--- a/app/controllers/comments_controller.rb
+++ b/app/controllers/comments_controller.rb
@@ -66,6 +66,14 @@ class CommentsController < ApplicationController
       :content_type => "text/html", :locals => { :comment => comment }
   end
 
+  def redirect_from_short_id
+    if comment = find_comment
+      return redirect_to comment.url
+    else
+      return render :text => "can't find comment", :status => 400
+    end
+  end
+
   def edit
     if !((comment = find_comment) && comment.is_editable_by_user?(@user))
       return render :text => "can't find comment", :status => 400
diff --git a/config/routes.rb b/config/routes.rb
index 7023169..3f2a368 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -84,6 +84,8 @@ Lobsters::Application.routes.draw do
     get "/s/:id/:title/comments/:comment_short_id" => "stories#show"
     get "/s/:id/(:title)" => "stories#show", :format => /html|json/
 
+    get "/c/:id" => "comments#redirect_from_short_id"
+
     get "/u" => "users#tree"
     get "/u/:username" => "users#show", :as => "user"