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

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

test/services/mailings/hourly_throughput_test.rb

@@ -0,0 +1,65 @@
+require "test_helper"
+
+class Mailings::HourlyThroughputTest < ActiveSupport::TestCase
+  setup do
+    @project = projects(:matchlivetv)
+    @identity = create_mail_identity
+    @mailing = create_mailing(identity: @identity, audience: "all")
+  end
+
+  test "counts confirmed sends in the last hour and last 15 minutes" do
+    add_recipient status: "sent", sent_at: 10.minutes.ago
+    add_recipient status: "sent", sent_at: 40.minutes.ago, mailing: extra_mailing
+    add_recipient status: "sent", sent_at: 2.hours.ago, mailing: extra_mailing("Vecchia")
+    add_recipient status: "queued", mailing: extra_mailing("In coda")
+
+    stats = Mailings::HourlyThroughput.new(@project)
+
+    assert_equal 2, stats.sent
+    assert_equal 1, stats.recent_sent
+    assert_equal 0, stats.failed
+    assert_equal 2, stats.drained
+  end
+
+  test "counts failed recipients that left the queue in the last hour" do
+    recipient = add_recipient(status: "failed")
+    recipient.update_columns(updated_at: 5.minutes.ago)
+
+    stale = add_recipient(status: "failed", mailing: extra_mailing)
+    stale.update_columns(updated_at: 2.hours.ago)
+
+    stats = Mailings::HourlyThroughput.new(@project)
+
+    assert_equal 0, stats.sent
+    assert_equal 1, stats.failed
+    assert_equal 1, stats.drained
+  end
+
+  test "ignores sends from other projects" do
+    other = create_mailing(project: projects(:riskmeter), identity: @identity, audience: "all")
+    add_recipient status: "sent", sent_at: 5.minutes.ago, mailing: other
+    add_recipient status: "sent", sent_at: 5.minutes.ago
+
+    stats = Mailings::HourlyThroughput.new(@project)
+
+    assert_equal 1, stats.sent
+    assert_equal 1, stats.recent_sent
+  end
+
+  private
+
+  def extra_mailing(name = "Altra campagna")
+    create_mailing(identity: @identity, audience: "all", name: name)
+  end
+
+  def add_recipient(status:, sent_at: nil, mailing: @mailing)
+    org = organizations(:acme)
+    mailing.mailing_recipients.create!(
+      organization: org,
+      contact: org.contacts.first,
+      email: org.email,
+      status: status,
+      sent_at: sent_at
+    )
+  end
+end