1 files changed, 20 insertions, 13 deletions

diff --git a/app/models/page.rb b/app/models/page.rb
index ea04cd6..740d42e 100644
--- a/app/models/page.rb
+++ b/app/models/page.rb
@@ -176,19 +176,26 @@ class Page < ApplicationRecord
   end
 
   def diff_against other, view: :inline
-    if view == :side_by_side
-      {
-        title:    HtmlWordDiff.side_by_side(other.title.to_s,    title.to_s),
-        abstract: HtmlWordDiff.side_by_side(other.abstract.to_s, abstract.to_s),
-        body:     HtmlWordDiff.side_by_side(other.body.to_s,     body.to_s)
-      }
-    else
-      {
-        title:    HtmlWordDiff.inline(other.title.to_s,    title.to_s),
-        abstract: HtmlWordDiff.inline(other.abstract.to_s, abstract.to_s),
-        body:     HtmlWordDiff.inline(other.body.to_s,     body.to_s)
-      }
-    end
+    text_diffs =
+      if view == :side_by_side
+        {
+          title:    HtmlWordDiff.side_by_side(other.title.to_s,    title.to_s),
+          abstract: HtmlWordDiff.side_by_side(other.abstract.to_s, abstract.to_s),
+          body:     HtmlWordDiff.side_by_side(other.body.to_s,     body.to_s)
+        }
+      else
+        {
+          title:    HtmlWordDiff.inline(other.title.to_s,    title.to_s),
+          abstract: HtmlWordDiff.inline(other.abstract.to_s, abstract.to_s),
+          body:     HtmlWordDiff.inline(other.body.to_s,     body.to_s)
+        }
+      end
+
+    text_diffs.merge(
+      tags:          { added: tag_list.to_a - other.tag_list.to_a, removed: other.tag_list.to_a - tag_list.to_a },
+      template_name: { from: other.template_name, to: template_name, changed: template_name != other.template_name },
+      assets:        { added: assets.to_a - other.assets.to_a, removed: other.assets.to_a - assets.to_a }
+    )
   end
 
   def public?