Limit the number of tags we show.

Display the 50 most popular tags from the past 30 days. This should be a
fair compromise between most popular and most recent, I hope. We may
have to tune this further, but it's at least better than showing all.

This is a fix for issue #56.

1 files changed, 16 insertions, 1 deletions

diff --git a/app/decorators/controllers/refinery/pages_controller_decorator.rb b/app/decorators/controllers/refinery/pages_controller_decorator.rb
index d93ae9d..0d9a966 100644
--- a/app/decorators/controllers/refinery/pages_controller_decorator.rb
+++ b/app/decorators/controllers/refinery/pages_controller_decorator.rb
@@ -18,7 +18,8 @@ ApplicationController.class_eval do
       # on every page.
       #
       find_all_blog_categories
-      find_tags
+      #find_tags
+      calc_tags
     end
 
     def populate_home_page
@@ -28,4 +29,18 @@ ApplicationController.class_eval do
                .where(:refinery_blog_categories => { :sidebar_position => 0 })
                .page(params[:page])
     end
+
+    def calc_tags
+      # Limit the number of tags to show:
+      # This should show the 50 most popular tags from the past 30 days.
+      # I think this is a fair compromise between most popular and recent.
+
+      opts = {
+        :order => 'count DESC',
+        :start_at => 30.days.ago,
+        :limit => 50
+      }
+
+      @tags = Refinery::Blog::Post.tag_counts_on(:tags, opts)
+    end
 end