add references to user statistics page about saved searches

app/logical/popular_search_service.rb

@@ -8,7 +8,7 @@ class PopularSearchService
   end
 
   def each_search(limit = 100, &block)
-    fetch_data.scan(/(.+?) (\d+)\.0\n/).slice(0, limit).each(&block)
+    fetch_data.to_s.scan(/(.+?) (\d+)\.0\n/).slice(0, limit).each(&block)
   end
 
   def fetch_data

app/models/saved_search.rb

@@ -132,6 +132,10 @@ class SavedSearch < ActiveRecord::Base
     rename_listbooru(user_id, old_category, new_category)
   end
 
+  def self.categories_for(user)
+    user.saved_searches.pluck("distinct category")
+  end
+
   def normalize
     self.category = SavedSearch.normalize_category(category) if category
     self.tag_query = SavedSearch.normalize(tag_query)

app/presenters/post_set_presenters/post.rb

@@ -19,6 +19,8 @@ module PostSetPresenters
         related_tags_for_single(post_set.unordered_tag_array.first)
       elsif post_set.tag_string =~ /(?:^|\s)(?:#{Tag::SUBQUERY_METATAGS}):\S+/
         calculate_related_tags_from_post_set
+      elsif post_set.tag_string =~ /search:/
+        saved_search_tags
       elsif post_set.is_empty_tag?
         popular_tags
       else
@@ -52,6 +54,10 @@ module PostSetPresenters
       RelatedTagCalculator.calculate_from_post_set_to_array(post_set).map(&:first)
     end
 
+    def saved_search_tags
+      SavedSearch.categories_for(CurrentUser.user).map {|x| "search:#{x}"}
+    end
+
     def tag_list_html(template, options = {})
       tag_set_presenter.tag_list_html(template, options)
     end

app/views/users/_statistics.html.erb

@@ -111,9 +111,7 @@
           <th>Appeals</th>
           <td><%= presenter.appeal_count(self) %></td>
         </tr>
-      <% end %>
 
-      <% if CurrentUser.user.id == user.id || CurrentUser.is_moderator? %>
         <tr>
           <th>Flags</th>
           <td><%= presenter.flag_count(self) %></td>
@@ -145,7 +143,18 @@
         </tr>
       <% end %>
 
-      <% if CurrentUser.user.id == user.id %>
+      <% if CurrentUser.id == user.id %>
+        <% if CurrentUser.has_saved_searches? %>
+          <tr>
+            <th>Saved Searches</th>
+            <td>
+              <% SavedSearch.categories_for(CurrentUser.user).each do |category| %>
+                <p><%= link_to category, posts_path(tags: "search:#{category}") %></p>
+              <% end %>
+            </td>
+          </tr>
+        <% end %>
+
         <tr>
           <th>API Key</th>
           <td>