add artist version search

app/models/artist_version.rb

@@ -7,6 +7,10 @@ class ArtistVersion < ActiveRecord::Base
       where("updater_id = ?", user_id)
     end
 
+    def updater_name(name)
+      where("updater_id = (select _.id from users _ where lower(_.name) = ?)", name.mb_chars.downcase)
+    end
+
     def search(params)
       q = scoped
       return q if params.blank?
@@ -15,6 +19,10 @@ class ArtistVersion < ActiveRecord::Base
         q = q.where("name like ? escape E'\\\\'", params[:name].to_escaped_for_sql_like)
       end
 
+      if params[:updater_name].present?
+        q = q.updater_name(params[:updater_name])
+      end
+
       if params[:updater_id].present?
         q = q.for_user(params[:updater_id].to_i)
       end

app/views/artist_versions/_secondary_links.html.erb

@@ -0,0 +1,7 @@
+<% content_for(:secondary_links) do %>
+  <menu>
+    <li><%= link_to "Artists", artists_path %></li>
+    <li><%= link_to "New", new_artist_path %></li>
+    <li><%= link_to "Search", search_artist_versions_path %></li>
+  </menu>
+<% end %>

app/views/artist_versions/index.html.erb

@@ -51,7 +51,7 @@
   </div>
 </div>
 
-<%= render "artists/secondary_links" %>
+<%= render "secondary_links" %>
 
 <% content_for(:page_title) do %>
   Artist Versions - <%= Danbooru.config.app_name %>

app/views/artist_versions/search.html.erb

@@ -0,0 +1,19 @@
+<div id="c-artist-versions">
+  <div id="a-search">
+    <h1>Search Changes</h1>
+
+    <div id="search">
+      <%= form_tag(artist_versions_path, :method => :get, :class => "simple_form") do %>
+        <%= search_field "updater_name", :label => "User" %>
+        <%= search_field "name", :label => "Name" %>
+        <%= submit_tag "Search" %>
+      <% end %>
+    </div>
+  </div>
+</div>
+
+<%= render "secondary_links" %>
+
+<% content_for(:page_title) do %>
+  Search Artist Changes - <%= Danbooru.config.app_name %>
+<% end %>

config/routes.rb

@@ -63,7 +63,11 @@ Danbooru::Application.routes.draw do
       get :banned
     end
   end
-  resources :artist_versions, :only => [:index]
+  resources :artist_versions, :only => [:index] do
+    collection do
+      get :search
+    end
+  end
   resources :bans
   resources :comments do
     resources :votes, :controller => "comment_votes", :only => [:create, :destroy]