make the stats public, and cache

Gemfile

@@ -25,6 +25,7 @@ gem 'dav4rack'
 gem 'filesize'
 gem 'thread'
 gem 'scrypt'
+gem 'rack-cache'
 
 platform :mri do
   gem 'magic' # sudo apt-get install file, For OSX: brew install libmagic

Gemfile.lock

@@ -122,6 +122,8 @@ GEM
     puma (2.8.1)
       rack (>= 1.1, < 2.0)
     rack (1.5.2)
+    rack-cache (1.2)
+      rack (>= 0.4)
     rack-protection (1.5.2)
       rack
     rack-recaptcha (0.6.6)
@@ -238,6 +240,7 @@ DEPENDENCIES
   pry
   pry-byebug
   puma
+  rack-cache
   rack-recaptcha
   rack-test
   rack_session_access

app/stats.rb

@@ -1,5 +1,5 @@
 get '/stats/?' do
-  require_admin
+  expires 14400, :public, :must_revalidate # 4 hours
 
   @stats = {
     total_sites: Site.count,
@@ -41,19 +41,29 @@ get '/stats/?' do
   @stats[:total_recurring_revenue] = 0.0
 
   subscriptions = []
-  cancelled_subscriptions = 0
+  @stats[:cancelled_subscriptions] = 0
 
   customers.each do |customer|
     sub = {created_at: Time.at(customer.created)}
-    if customer[:subscriptions]
-      if customer[:subscriptions][:data].empty?
-        sub[:status] = 'cancelled'
-      else
-        sub[:status] = 'active'
-        sub[:amount] = (customer[:subscriptions][:data].first[:plan][:amount] / 100.0).round(2)
-        @stats[:total_recurring_revenue] += sub[:amount]
-      end
+
+    if customer[:subscriptions][:data].empty?
+      @stats[:cancelled_subscriptions] += 1
+      next
     end
+
+    next if customer[:subscriptions][:data].first[:plan][:amount] == 0
+
+    sub[:status] = 'active'
+    plan = customer[:subscriptions][:data].first[:plan]
+
+    sub[:amount] = (plan[:amount] / 100.0).round(2)
+
+    if(plan[:interval] == 'year')
+      sub[:amount] = (sub[:amount] / 12).round(2)
+    end
+
+    @stats[:total_recurring_revenue] += sub[:amount]
+
     subscriptions.push sub
   end
 

config.ru

@@ -7,7 +7,14 @@ if defined?(Unicorn)
   use Unicorn::PrereadInput
 end
 
-map('/') { run Sinatra::Application }
+map('/') do
+  use(Rack::Cache,
+    verbose: false,
+    metastore: 'file:/tmp/neocitiesrackcache/meta',
+    entitystore: 'file:/tmp/neocitiesrackcache/body'
+  )
+  run Sinatra::Application
+end
 
 map '/webdav' do
   use Rack::Auth::Basic do |username, password|

views/stats.erb

@@ -69,7 +69,13 @@
 
     <h2>Subscriptions</h2>
     <h3>Current Recurring Revenue: <strong><%= format("$%.2f", @stats[:total_recurring_revenue]) %> (<%= format("$%.2f", @stats[:total_recurring_revenue]/12.0) %>/month)</strong>
-    <br>Active Subscriptions: <strong><%= @stats[:subscriptions].select {|s| s[:status] == 'active' }.length %></strong></h3>
+    <br>
+    Active Subscriptions: <strong><%= @stats[:subscriptions].select {|s| s[:status] == 'active' }.length %></strong>
+    <br>
+    Cancelled Subscriptions: <strong><%= @stats[:cancelled_subscriptions] %></strong>
+    </h3>
+
+    <!--
     <table class="table">
       <tr>
         <th>Status</th>
@@ -84,6 +90,7 @@
         </tr>
       <% end %>
     </table>
+    -->
     <p>
     </p>
   </article>