fixes #2993: Artist URL breakdown

app/assets/stylesheets/specific/artists.scss

@@ -9,6 +9,10 @@ div#c-artists, div#excerpt {
   div#a-banned {
   }
 
+  ul ul {
+    margin-left: 1em;
+  }
+
   div#a-show {
     p.legend {
       margin-bottom: 2em;

app/models/artist.rb

@@ -88,6 +88,23 @@ class Artist < ActiveRecord::Base
     def url_string_changed?
       url_string.scan(/\S+/) != url_array
     end
+
+    def map_domain(x)
+      case x
+      when "pximg.net"
+        "pixiv.net"
+
+      when "deviantart.net"
+        "deviantart.com"
+
+      else
+        x
+      end
+    end
+
+    def domains
+      Post.raw_tag_match(name).pluck(:source).map {|x| map_domain(Addressable::URI.parse(x).domain)}.inject(Hash.new(0)) {|h, x| h[x] += 1; h}
+    end
   end
 
   module NameMethods
@@ -506,6 +523,10 @@ class Artist < ActiveRecord::Base
       super + [:other_names_index]
     end
 
+    def method_attributes
+      super + [:domains]
+    end
+
     def legacy_api_hash
       return {
         :id => id,

app/views/artists/show.html.erb

@@ -28,13 +28,26 @@
             <% if @artist.members.any? %>
               <li><strong>Members</strong> <%= link_to_artists(@artist.members.map(&:name)) %></li>
             <% end %>
-            <% @artist.urls.each do |url| %>
-              <li>
-                URL: <%= link_to h(url.to_s), h(url.to_s) %>
-                <% if CurrentUser.user.is_moderator? %>
-                  (<%= link_to("mass edit", edit_moderator_tag_path(:antecedent => "-#{@artist.name} source:#{ArtistUrl.normalize_for_search(url.to_s)}", :consequent => @artist.name)) %>)
+            <% if @artist.domains.any? %>
+              <li><strong>Domains</strong></li>
+              <ul>
+                <% @artist.domains.each do |url, count| %>
+                  <li><%= url %>: <%= count %></li>
                 <% end %>
-              </li>
+              </ul>
+            <% end %>
+            <% if @artist.urls.any? %>
+              <li><strong>URLs</strong></li>
+              <ul>
+                <% @artist.urls.each do |url| %>
+                  <li>
+                    <%= link_to h(url.to_s), h(url.to_s) %>
+                    <% if CurrentUser.user.is_moderator? %>
+                      [<%= link_to("mass edit", edit_moderator_tag_path(:antecedent => "-#{@artist.name} source:#{ArtistUrl.normalize_for_search(url.to_s)}", :consequent => @artist.name)) %>]
+                    <% end %>
+                  </li>
+                <% end %>
+              </ul>
             <% end %>
           <% end %>
         </ul>