Fixes the redirect fix migration.

Tok me a while to figure out that the first migration didn't actually migrate the data because of a silent validation failure.

db/migrate/112_fixes_notes_redirects.rb

@@ -1,16 +1,17 @@
 class FixesNotesRedirects < ActiveRecord::Migration  
   def self.up
-    say "Fixes notes redirects"
+    say "Fixes notes redirects, it may take some time"
 
     notes = Note.find(:all)
     notes.each do |note|
       if note.redirects.size > 0
-        say "Fixes note #{note.id}"
-        from = note.redirects.first.to_path
-        note.redirects.first.to_path.gsub!(File.join(Blog.default.base_url, "st"), File.join(Blog.default.base_url, "note"))
-        note.redirects.first.save
-        redirect = Redirect.new(from_path: from, to_path: note.redirects.first.to_path)
-        redirect.save
+        old_from = note.redirects.first.to_path
+        from = note.redirects.first.from_path
+        to = note.redirects.first.to_path.gsub(File.join(Blog.default.base_url, "st"), File.join(Blog.default.base_url, "note"))
+        redirect = note.redirects.first
+        redirect.update_attribute('to_path', to)
+        redirect.save!
+        Redirect.create(from_path: old_from, to_path: to)
       end
     end
   end
@@ -23,7 +24,7 @@ def self.down
       if note.redirects.size > 0
         redirect = Redirect.find.where(to_path: note.redirects.first.to_path)
         redirect.destroy
-        note.redirects.first.to_path.gsub!(File.join(Blog.default.base_url, "note"), File.join(Blog.default.base_url, "st"))
+        note.redirects.first.to_path = note.redirects.first.to_path.gsub!(File.join(Blog.default.base_url, "note"), File.join(Blog.default.base_url, "st"))
         note.redirects.first.save
       end
     end