Initial superadmin get_databases_info endpoint

app/controllers/superadmin/platform_controller.rb

@@ -0,0 +1,30 @@
+class Superadmin::PlatformController < Superadmin::SuperadminController
+  respond_to :json
+
+  ssl_required :databases_info if Rails.env.production? || Rails.env.staging?
+
+  layout 'application'
+
+  def databases_info
+    hosts = []
+    if params[:database_host]
+      hosts = [params[:database_host]]
+    else
+      hosts = User.distinct(:database_host).select(:database_host).all.collect(&:database_host)
+    end
+    dbs = {}
+    hosts.each do |h|
+      top_account_types = User.where(:database_host => h).group_and_count(:account_type).order(Sequel.desc(:count)).all[0..4]
+      users_in_database = User.where(:database_host => h).count
+      dbs[h] = {'count' => users_in_database, 'top_account_types_percentages' => {}}
+      top_account_types.each do |a|
+        percentage = (a[:count] * 100) / users_in_database
+        if percentage > 1
+          dbs[h]['top_account_types_percentages'][a[:account_type]] = percentage
+        end
+      end
+    end
+    respond_with(dbs)
+  end
+
+end # Superadmin::PlatformController

config/routes.rb

@@ -311,4 +311,9 @@ CartoDB::Application.routes.draw do
     resources :synchronizations
   end
 
+  scope :module => 'superadmin', :format => :json do
+    get '/superadmin/get_databases_info' => 'platform#databases_info'
+    post '/superadmin/get_databases_info' => 'platform#databases_info'
+  end
+
 end