Add link to artist note changes to history

app/models/artist.rb

@@ -279,7 +279,8 @@ class Artist < ApplicationRecord
         :is_active => is_active,
         :is_banned => is_banned,
         :other_names => other_names,
-        :group_name => group_name
+        :group_name => group_name,
+        :notes_changed => saved_change_to_notes?
       )
     end
 
@@ -291,7 +292,8 @@ class Artist < ApplicationRecord
         :is_active => is_active,
         :is_banned => is_banned,
         :other_names => other_names,
-        :group_name => group_name
+        :group_name => group_name,
+        :notes_changed => saved_change_to_notes?
       )
     end
 

app/views/artist_versions/_standard_listing.html.erb

@@ -5,6 +5,7 @@
         <th>Name</th>
         <th>Other Names</th>
         <th>URLs</th>
+        <th>Notes</th>
         <th>Updated</th>
         <% if artist_versions_listing_type == :revert %>
           <th></th>
@@ -35,6 +36,13 @@
           <td class="col-expand">
             <%= artist_version_urls_diff(artist_version) if artist_version.visible? %>
           </td>
+          <td>
+            <% if artist_version.notes_changed %>
+              <%= link_to "Note Changes", wiki_page_versions_path(search: {wiki_page_id: artist_version.artist.wiki_page})%>
+            <% else %>
+              (No Changes)
+            <% end %>
+          </td>
           <td>
             <%= link_to_user artist_version.updater %>
             <%= link_to "»", artist_versions_path(search: { updater_name: artist_version.updater_name }) %>

db/migrate/20191013233447_add_notes_changed_to_artist_version.rb

@@ -0,0 +1,5 @@
+class AddNotesChangedToArtistVersion < ActiveRecord::Migration[6.0]
+  def change
+    add_column :artist_versions, :notes_changed, :boolean, default: false
+  end
+end

db/structure.sql

@@ -436,7 +436,8 @@ CREATE TABLE public.artist_versions (
     created_at timestamp without time zone,
     updated_at timestamp without time zone,
     other_names text[] DEFAULT '{}'::text[] NOT NULL,
-    urls text[] DEFAULT '{}'::text[] NOT NULL
+    urls text[] DEFAULT '{}'::text[] NOT NULL,
+    notes_changed boolean DEFAULT false
 );
 
 
@@ -3695,6 +3696,8 @@ ALTER TABLE ONLY public.post_sets
 ALTER TABLE ONLY public.post_versions
     ADD CONSTRAINT post_versions_pkey PRIMARY KEY (id);
 
+ALTER TABLE public.post_versions CLUSTER ON post_versions_pkey;
+
 
 --
 -- Name: post_votes post_votes_pkey; Type: CONSTRAINT; Schema: public; Owner: -
@@ -5330,6 +5333,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20190924233432'),
 ('20191003070653'),
 ('20191006073950'),
-('20191006143246');
+('20191006143246'),
+('20191013233447');