Permette di scegliere 12 ore, 24 ore o la settimana nello storico invii.

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

test/services/mailings/hourly_throughput_test.rb

@@ -55,7 +55,7 @@ class Mailings::HourlyThroughputTest < ActiveSupport::TestCase
       add_recipient status: "sent", sent_at: now - 13.hours, mailing: extra_mailing("Fuori finestra")
 
       stats = Mailings::HourlyThroughput.new(@project, now: now)
-      history = stats.hourly_history
+      history = stats.history
 
       assert_equal 12, history.size
       assert_equal now.beginning_of_hour, history.last[:at]
@@ -66,6 +66,45 @@ class Mailings::HourlyThroughputTest < ActiveSupport::TestCase
     end
   end
 
+  test "includes the previous day when the range is 24 hours" do
+    now = Time.zone.parse("2026-09-07 12:40")
+    travel_to now do
+      add_recipient status: "sent", sent_at: now - 20.hours
+
+      twelve = Mailings::HourlyThroughput.new(@project, now: now, range: "12h")
+      day = Mailings::HourlyThroughput.new(@project, now: now, range: "24h")
+
+      assert_equal 0, twelve.history_total
+      assert_equal 24, day.history.size
+      assert_equal 1, day.history_total
+    end
+  end
+
+  test "groups the last week by day" do
+    now = Time.zone.parse("2026-09-07 12:40")
+    travel_to now do
+      add_recipient status: "sent", sent_at: now - 3.days
+      add_recipient status: "sent", sent_at: now - 8.days, mailing: extra_mailing("Vecchia")
+
+      stats = Mailings::HourlyThroughput.new(@project, now: now, range: "7d")
+      history = stats.history
+
+      assert_equal 7, history.size
+      assert_equal now.beginning_of_day, history.last[:at]
+      assert_equal 1, history[-4][:count]
+      assert_equal 0, history.last[:count]
+      assert_equal 1, stats.history_total
+      assert_equal "7d", stats.range_key
+    end
+  end
+
+  test "falls back to 12 hours for an unknown range" do
+    stats = Mailings::HourlyThroughput.new(@project, range: "nope")
+
+    assert_equal "12h", stats.range_key
+    assert_equal 12, stats.history.size
+  end
+
   private
 
   def extra_mailing(name = "Altra campagna")