started on the real stats page

app/controllers/admins_controller.rb

@@ -31,7 +31,29 @@ class AdminsController < ApplicationController
 
   def stats
     @popular_tags = ActsAsTaggableOn::Tagging.joins(:tag).limit(15).count(:group => :tag, :order => 'count(taggings.id) DESC')
-    @new_posts = Post.where(:type => ['StatusMessage','ActivityStreams::Photo'],
-                            :public => true).order('created_at DESC').limit(15).all
+
+    [Post, Comment, AspectMembership, User].each do |model|
+      create_hash(model)
+    end
+
+    @posts[:new_public] = Post.where(:type => ['StatusMessage','ActivityStreams::Photo'],
+                                     :public => true).order('created_at DESC').limit(15).all
+  end
+
+  private
+  def percent_change(today, yesterday)
+    sprintf( "%0.02f", ((today-yesterday) / yesterday.to_f)*100).to_f
+  end
+
+  def create_hash(model)
+    plural = model.to_s.underscore.pluralize
+    eval(<<DATA
+      @#{plural} = {
+        :yesterday => #{model}.where(:created_at => ((Time.now.midnight - 1.day)..Time.now.midnight)).count,
+        :today => #{model}.where(:created_at => ((Time.now.midnight)..Time.now)).count
+      }
+      @#{plural}[:change] = percent_change(@#{plural}[:today], @#{plural}[:yesterday])
+DATA
+    )
   end
 end

app/views/admins/stats.html.haml

+
+.span-24.last
+  %br
+  %br
+  %h1
+    Usage Statistics
+  %br
+  %br
+  %br
+
+%hr
+.clearfix
+
+.span-24.last
+
+  %h3
+    New Today
+  
+  - [:posts, :comments, :aspect_memberships, :users].each do |name|
+    - model = eval("@#{name.to_s}")
+    - if name == :aspect_memberships
+      - name = :shares
+
+    .span-6{:class => ('last' if name == :users)}
+      %h2{:style => 'font-weight:bold;'}
+        = model[:today]
+        = name.to_s
+      %h4
+        = model[:yesterday]
+
+        %span.percent_change{:class => (model[:change] > 0 ? "green" : "red")}
+          = "(#{model[:change]}%)"
+
+  %br
+  %br
+  %br
+  %br
+  %br
+%hr
+    
+
+%br
+%br
+%br
+%br
+%br
+%br
+%br
+%br
+%br
+%br
+%br
+
 .span-24.last
+  %h2
+    Misc Stuff
+  %br
+  %br
+
   %h3
     = for tg in @popular_tags
       = link_to tg, tags_path(tg)
@@ -10,7 +68,7 @@
   %h3
     New public posts
   .stream
-    = render 'shared/stream', :posts => @new_posts
+    = render 'shared/stream', :posts => @new_public_posts
 
 .span-12.last
   %h3

public/stylesheets/sass/application.sass

@@ -3388,3 +3388,9 @@ ul#getting_started
   :background-color #aaa
   &:hover
     :opacity .85 !important
+
+.red
+  :color $red
+
+.green
+  :color green