Aggiunge sulla dashboard invii il KPI mail/ora dagli invii SMTP confermati.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/controllers/mailings_controller.rb

@@ -16,6 +16,7 @@ class MailingsController < ApplicationController
     @paused_mailings = @window_paused_mailings
     @completed_today = @mailings.count { |mailing| mailing.sent? && mailing.completed_at&.to_date == Time.zone.today }
     @failed_open = @mailings.sum(&:failed_count)
+    @hourly_throughput = Mailings::HourlyThroughput.new(current_project)
   end
 
   def new

app/services/mailings/hourly_throughput.rb

@@ -0,0 +1,35 @@
+class Mailings::HourlyThroughput
+  HOUR = 1.hour
+  RECENT = 15.minutes
+
+  def initialize(project, now: Time.current)
+    @project = project
+    @now = now
+  end
+
+  def sent
+    @sent ||= sent_since(HOUR)
+  end
+
+  def recent_sent
+    @recent_sent ||= sent_since(RECENT)
+  end
+
+  def failed
+    @failed ||= recipients.failed.where(updated_at: (@now - HOUR)..@now).count
+  end
+
+  def drained
+    sent + failed
+  end
+
+  private
+
+  def sent_since(window)
+    recipients.sent.where(sent_at: (@now - window)..@now).count
+  end
+
+  def recipients
+    MailingRecipient.joins(:mailing).merge(Mailing.for_project(@project))
+  end
+end

app/views/mailings/dashboard.html.erb

@@ -26,11 +26,21 @@
     </div>
   <% end %>
 
-  <div class="grid grid-cols-2 gap-3 xl:grid-cols-4">
+  <div class="grid grid-cols-2 gap-3 md:grid-cols-3 xl:grid-cols-5">
     <div class="<%= card_class %> p-4">
       <div class="text-xs uppercase tracking-wide text-zinc-500">In corso</div>
       <div class="mt-1 text-2xl font-semibold tabular-nums"><%= @active_mailings.size %></div>
     </div>
+    <div class="<%= card_class %> p-4">
+      <div class="text-xs uppercase tracking-wide text-zinc-500">Mail / ora</div>
+      <div class="mt-1 text-2xl font-semibold tabular-nums"><%= @hourly_throughput.sent %></div>
+      <div class="mt-1 text-xs text-zinc-500">
+        <%= @hourly_throughput.recent_sent %> ultimi 15 min
+        <% if @hourly_throughput.failed.positive? %>
+          · <%= @hourly_throughput.failed %> scodate in errore
+        <% end %>
+      </div>
+    </div>
     <div class="<%= card_class %> p-4">
       <div class="text-xs uppercase tracking-wide text-zinc-500">In pausa (fascia)</div>
       <div class="mt-1 text-2xl font-semibold tabular-nums"><%= @paused_mailings.size %></div>