added a weekly user stat for admin

app/controllers/admins_controller.rb

@@ -19,6 +19,18 @@ class AdminsController < ApplicationController
     redirect_to user_search_path, :notice => flash[:notice]
   end
 
+  def weekly_user_stats
+    @created_users_by_day = User.where("username IS NOT NULL").count(:group => "date(created_at)") 
+    @created_users_by_week = {}
+    @created_users_by_day.keys.each do |k| 
+      if @created_users_by_week[k.beginning_of_week].blank?
+        @created_users_by_week[k.beginning_of_week] = @created_users_by_day[k] 
+      else
+        @created_users_by_week[k.beginning_of_week] += @created_users_by_day[k] 
+      end
+    end
+  end
+
   def stats
     @popular_tags = ActsAsTaggableOn::Tagging.joins(:tag).limit(15).count(:group => :tag, :order => 'count(taggings.id) DESC')
 

app/views/admins/_admin_bar.haml

@@ -3,6 +3,7 @@
     Pages
     %ul
       %li= link_to 'User Search', user_search_path
+      %li= link_to 'Weekly User Stats', weekly_user_stats_path
       %li= link_to 'Pod Stats', pod_stats_path
 
 	

app/views/admins/weekly_user_stats.haml

@@ -0,0 +1,13 @@
+
+.span-24
+  = render :partial => 'admins/admin_bar.haml'
+%br
+%br
+
+.span-24.last
+  %h1
+    = "Users per week (Current server date is: #{Time.now.to_date}) "
+  %ul
+    - @created_users_by_week.keys.sort.each do |k|
+      %li
+        = "Week stating on #{k} , #{@created_users_by_week[k]}"

config/routes.rb

@@ -93,6 +93,7 @@ Diaspora::Application.routes.draw do
   scope 'admins', :controller => :admins do
     match :user_search
     get   :admin_inviter
+    get   :weekly_user_stats
     get   :stats, :as => 'pod_stats'
   end