reverted post version tag change for danbooru2

2011-10-22 21:34:32 -04:00
parent 0de90d487b
commit 69044f3389
13 changed files with 100 additions and 61 deletions
--- a/app/helpers/post_versions_helper.rb
+++ b/app/helpers/post_versions_helper.rb
@@ -1,2 +1,16 @@
 module PostVersionsHelper
+  def post_version_diff(post_version)
+    diff = post_version.diff(post_version.previous)
+    html = []
+    diff[:added_tags].each do |tag|
+      html << '<ins>' + tag + '</ins>'
+    end
+    diff[:removed_tags].each do |tag|
+      html << '<del>' + tag + '</del>'
+    end
+    diff[:unchanged_tags].each do |tag|
+      html << '<span>' + tag + '</span>' unless tag =~ /^(?:rating|source):/
+    end
+    return html.join(" ").html_safe
+  end
 end