fixes #1754; include category in wiki page api

app/assets/javascripts/wiki_pages.js

@@ -9,7 +9,9 @@
 
   Danbooru.WikiPage.initialize_typeahead = function() {
     if (Danbooru.meta("enable-auto-complete") === "true") {
-      $("#search_title,#quick_search_title").autocomplete({
+      var $fields = $("#search_title,#quick_search_title");
+
+      $fields.autocomplete({
         minLength: 1,
         source: function(req, resp) {
           $.ajax({
@@ -20,16 +22,26 @@
             },
             method: "get",
             success: function(data) {
-              resp($.map(data, function(tag) {
+              resp($.map(data, function(wiki_page) {
                 return {
-                  label: tag.title.replace(/_/g, " "),
-                  value: tag.title
+                  label: wiki_page.title.replace(/_/g, " "),
+                  value: wiki_page.title,
+                  category: wiki_page.category_name
                 };
               }));
             }
           });
         }
       });
+
+    var render_wiki_page = function(list, wiki_page) {
+      var $link = $("<a/>").addClass("tag-type-" + wiki_page.category).text(wiki_page.label);
+      return $("<li/>").data("item.autocomplete", wiki_page).append($link).appendTo(list);
+    }
+
+    $fields.each(function(i, field) {
+      $(field).data("uiAutocomplete")._renderItem = render_wiki_page;
+    });
     }
   }
 })();

app/models/wiki_page.rb

@@ -64,7 +64,7 @@ class WikiPage < ActiveRecord::Base
       options[:except] += hidden_attributes
       unless options[:builder]
         options[:methods] ||= []
-        options[:methods] += [:creator_name]
+        options[:methods] += [:creator_name, :category_name]
       end
       hash = super(options)
       hash