Rework artist versions index view

- Added a changes column explicitly listing all of the changes
-- This makes it more in line with the other version views now
- Does a symmetric difference on the array fields to detect changes

app/helpers/artist_versions_helper.rb

@@ -1,8 +1,4 @@
 module ArtistVersionsHelper
-  def artist_versions_listing_type
-    (params.dig(:search, :artist_id).present? && CurrentUser.is_member?) ? :revert : :standard
-  end
-
   def artist_version_other_names_diff(artist_version)
     new_names = artist_version.other_names
     old_names = artist_version.previous.try(:other_names)

app/models/artist_version.rb

@@ -29,4 +29,41 @@ class ArtistVersion < ApplicationRecord
     end
     @previous.first
   end
+
+  def self.status_fields
+    {
+      name: "Renamed",
+      urls_changed: "URLs",
+      other_names_changed: "OtherNames",
+      group_name: "GroupName",
+      was_deleted: "Deleted",
+      was_undeleted: "Undeleted",
+      was_banned: "Banned",
+      was_unbanned: "Unbanned",
+    }
+  end
+
+  def other_names_changed
+    ((other_names - previous.other_names) | (previous.other_names - other_names)).length > 0
+  end
+
+  def urls_changed
+    ((urls - previous.urls) | (previous.urls - urls)).length > 0
+  end
+
+  def was_deleted
+    !is_active && previous.is_active
+  end
+
+  def was_undeleted
+    is_active && !previous.is_active
+  end
+
+  def was_banned
+    is_banned && !previous.is_banned
+  end
+
+  def was_unbanned
+    !is_banned && previous.is_banned
+  end
 end

app/views/artist_versions/_listing.html.erb

@@ -1,24 +1,22 @@
-<div id="p-<%= artist_versions_listing_type %>-listing">
+<div id="p-<%= listing_type(:artist_id) %>-listing">
 
     <%= table_for @artist_versions, {class: "striped autofit", width: "100%"} do |t| %>
       <% t.column "Name" do |artist_version| %>
         <%= link_to artist_version.name, artist_path(artist_version.artist_id) %>
-        <%= link_to "»", artist_versions_path(search: {artist_id: artist_version.artist_id}) %>
-
-        <% if !artist_version.is_active? %>
-          (deleted)
-        <% end %>
-
-        <% if artist_version.group_name.present? %>
-          <p>(group: <%= artist_version.group_name %>)</p>
-        <% end %>
+        <%= link_to "»", artist_versions_path(search: {artist_id: artist_version.artist_id}, anchor: "artist-version-#{artist_version.id}") %>
       <% end %>
       <% t.column "Other Names" do |artist_version| %>
+        <% if artist_version.group_name.present? %>
+          <p><b>Group:</b><br>&ensp;<%= artist_version.group_name %></p>
+        <% end %>
         <%= artist_version_other_names_diff(artist_version) %>
       <% end %>
       <% t.column "URLs", td: {class: "col-expand"} do |artist_version| %>
         <%= artist_version_urls_diff(artist_version) %>
       <% end %>
+      <% t.column "Changes" do |artist_version| %>
+        <%= status_diff_html(artist_version) %>
+      <% end %>
       <% t.column "Updated" do |artist_version| %>
         <%= link_to_user artist_version.updater %>
         <%= link_to "»", artist_versions_path(search: { updater_name: artist_version.updater.name }) %>
@@ -26,7 +24,7 @@
           <%= compact_time(artist_version.updated_at) %>
         </p>
       <% end %>
-      <% if artist_versions_listing_type == :revert %>
+      <% if listing_type(:artist_id) == :revert %>
         <% t.column column: "control" do |artist_version| %>
           <%= link_to "Revert to", revert_artist_path(artist_version.artist_id, version_id: artist_version.id), method: :put, "data-confirm": "Are you sure you want to revert to this version?" %>
         <% end %>