FIX: crawler view of tags index page

app/controllers/tags_controller.rb

@@ -7,14 +7,22 @@ class TagsController < ::ApplicationController
 
   before_filter :ensure_tags_enabled
 
-  skip_before_filter :check_xhr, only: [:tag_feed, :show]
+  skip_before_filter :check_xhr, only: [:tag_feed, :show, :index]
   before_filter :ensure_logged_in, only: [:notifications, :update_notifications, :update]
   before_filter :set_category_from_params, except: [:index, :update, :destroy, :tag_feed, :search, :notifications, :update_notifications]
 
   def index
     tag_counts = self.class.tags_by_count(guardian, limit: 300).count
-    tags = tag_counts.map {|t, c| { id: t, text: t, count: c } }
+    @tags = tag_counts.map {|t, c| { id: t, text: t, count: c } }
-    render json: { tags: tags }
+
+    respond_to do |format|
+      format.html do
+        render :index
+      end
+      format.json do
+        render json: { tags: @tags }
+      end
+    end
   end
 
   Discourse.filters.each do |filter|

app/views/tags/index.html.erb

@@ -0,0 +1,20 @@
+<% if crawler_layout? %>
+
+<% content_for :title do %><%=t "tags.title" %><% end %>
+
+<h1><%=t "tags.title" %></h1>
+
+<div class='tags-list' itemscope itemtype='http://schema.org/ItemList'>
+  <% @tags.each do |tag| %>
+    <div itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'>
+      <meta itemprop='url' content='<%= "#{Discourse.base_url}/tags/#{tag[:id]}" %>'>
+      <a href='<%= "#{Discourse.base_url}/tags/#{tag[:id]}" %>' itemprop='item'>
+        <span itemprop='name'>
+          <%= tag[:text] %>
+        </span>
+      </a>
+    </div>
+  <% end %>
+</div>
+
+<% end %>

config/locales/server.en.yml

@@ -3025,6 +3025,7 @@ en:
     user_exists: "Sorry, that user has already been invited. You may only invite a user to a topic once."
 
   tags:
+    title: "Tags"
     staff_tag_disallowed: "The tag \"%{tag}\" may only be applied by staff."
     staff_tag_remove_disallowed: "The tag \"%{tag}\" may only be removed by staff."
   rss_by_tag: "Topics tagged %{tag}"