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

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

app/controllers/mailings_controller.rb

@@ -16,7 +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)
+    @hourly_throughput = Mailings::HourlyThroughput.new(current_project, range: params[:history])
   end
 
   def new

app/services/mailings/hourly_throughput.rb

@@ -1,11 +1,28 @@
 class Mailings::HourlyThroughput
   HOUR = 1.hour
   RECENT = 15.minutes
-  HISTORY_HOURS = 12
+  DEFAULT_RANGE = "12h"
+  RANGES = {
+    "12h" => { grain: :hour, periods: 12, short: "12h", label: "ultime 12 ore" },
+    "24h" => { grain: :hour, periods: 24, short: "24h", label: "ultime 24 ore" },
+    "7d" => { grain: :day, periods: 7, short: "7g", label: "ultima settimana" }
+  }.freeze
 
-  def initialize(project, now: Time.current)
+  def self.normalize_range(value)
+    key = value.to_s
+    RANGES.key?(key) ? key : DEFAULT_RANGE
+  end
+
+  def initialize(project, now: Time.current, range: DEFAULT_RANGE)
     @project = project
     @now = now
+    @range_key = self.class.normalize_range(range)
+  end
+
+  attr_reader :range_key
+
+  def range
+    RANGES.fetch(@range_key)
   end
 
   def sent
@@ -24,32 +41,53 @@ class Mailings::HourlyThroughput
     sent + failed
   end
 
-  def hourly_history
-    @hourly_history ||= begin
-      from = (@now - (HISTORY_HOURS - 1).hours).beginning_of_hour
+  def history
+    @history ||= buckets_for_range
+  end
+
+  def history_total
+    history.sum { |bucket| bucket[:count] }
+  end
+
+  def history_max
+    [history.map { |bucket| bucket[:count] }.max, 1].max
+  end
+
+  private
+
+  def buckets_for_range
+    from, step = history_origin
     keyed = recipients.sent
       .where(sent_at: from..@now)
       .pluck(:sent_at)
       .each_with_object(Hash.new(0)) do |sent_at, counts|
-          counts[sent_at.in_time_zone.beginning_of_hour] += 1
+        counts[bucket_at(sent_at)] += 1
       end
 
-      HISTORY_HOURS.times.map do |index|
-        at = from + index.hours
-        { at: at, count: keyed[at] || 0 }
-      end
+    range[:periods].times.map do |index|
+      at = from + (step * index)
+      { at: at, count: keyed[at] || 0, label: bucket_label(at) }
     end
   end
 
-  def history_total
-    hourly_history.sum { |bucket| bucket[:count] }
+  def history_origin
+    if range[:grain] == :day
+      from = (@now.to_date - (range[:periods] - 1)).in_time_zone.beginning_of_day
+      [from, 1.day]
+    else
+      from = (@now - (range[:periods] - 1).hours).beginning_of_hour
+      [from, 1.hour]
+    end
   end
 
-  def history_max
-    [hourly_history.map { |bucket| bucket[:count] }.max, 1].max
+  def bucket_at(sent_at)
+    time = sent_at.in_time_zone
+    range[:grain] == :day ? time.beginning_of_day : time.beginning_of_hour
   end
 
-  private
+  def bucket_label(at)
+    range[:grain] == :day ? at.strftime("%d/%m") : at.strftime("%H:%M")
+  end
 
   def sent_since(window)
     recipients.sent.where(sent_at: (@now - window)..@now).count

app/views/mailings/dashboard.html.erb

@@ -42,16 +42,27 @@
       </div>
     </div>
     <div class="<%= card_class %> p-4">
+      <div class="flex items-center justify-between gap-1">
         <div class="text-xs uppercase tracking-wide text-zinc-500">Storico invio</div>
-      <div class="mt-2 flex items-end gap-0.5" style="height: 2.5rem" role="img" aria-label="Invii confermati nelle ultime 12 ore">
-        <% @hourly_throughput.hourly_history.each do |bucket| %>
+        <div class="inline-flex items-center gap-1">
+          <% Mailings::HourlyThroughput::RANGES.each do |key, config| %>
+            <% if @hourly_throughput.range_key == key %>
+              <span class="rounded-md bg-zinc-900 px-1.5 py-0.5 text-[10px] font-medium leading-none text-white dark:bg-zinc-100 dark:text-zinc-900"><%= config[:short] %></span>
+            <% else %>
+              <%= link_to config[:short], dashboard_mailings_path(history: key), class: "rounded-md px-1.5 py-0.5 text-[10px] font-medium leading-none text-zinc-500 hover:bg-zinc-100 dark:text-zinc-400 dark:hover:bg-zinc-800" %>
+            <% end %>
+          <% end %>
+        </div>
+      </div>
+      <div class="mt-2 flex items-end gap-0.5" style="height: 2.5rem" role="img" aria-label="Invii confermati, <%= @hourly_throughput.range[:label] %>">
+        <% @hourly_throughput.history.each do |bucket| %>
           <% pct = (bucket[:count].to_f / @hourly_throughput.history_max * 100).round %>
           <div class="flex-1 rounded <%= bucket[:count].positive? ? "bg-emerald-500" : "bg-zinc-200 dark:bg-zinc-700" %>"
                style="height: <%= bucket[:count].positive? ? [pct, 12].max : 8 %>%"
-               title="<%= bucket[:at].strftime("%H:%M") %>: <%= bucket[:count] %>"></div>
+               title="<%= bucket[:label] %>: <%= bucket[:count] %>"></div>
         <% end %>
       </div>
-      <div class="mt-1 text-xs text-zinc-500"><%= @hourly_throughput.history_total %> inviate · ultime 12 ore</div>
+      <div class="mt-1 text-xs text-zinc-500"><%= @hourly_throughput.history_total %> inviate · <%= @hourly_throughput.range[:label] %></div>
     </div>
     <div class="<%= card_class %> p-4">
       <div class="text-xs uppercase tracking-wide text-zinc-500">In pausa (fascia)</div>

test/controllers/mailings_controller_test.rb

@@ -36,6 +36,30 @@ class MailingsControllerTest < ActionDispatch::IntegrationTest
     assert_match(/1 ultimi 15 min/, response.body)
     assert_select "div", text: "Storico invio"
     assert_match(/1 inviate · ultime 12 ore/, response.body)
+    assert_select "span", text: "12h"
+    assert_select "a", text: "24h"
+    assert_select "a", text: "7g"
+  end
+
+  test "dashboard history range can switch to the last week" do
+    login_as users(:admin)
+    follow_redirect! if response.redirect?
+
+    mailing = create_mailing(identity: @identity, audience: "to_send")
+    org = organizations(:acme)
+    mailing.mailing_recipients.create!(
+      organization: org,
+      contact: org.contacts.first,
+      email: org.email,
+      status: "sent",
+      sent_at: 2.days.ago
+    )
+
+    get dashboard_mailings_path(project_code: @project.code, history: "7d")
+    assert_response :success
+    assert_match(/1 inviate · ultima settimana/, response.body)
+    assert_select "span", text: "7g"
+    assert_select "a[href=?]", dashboard_mailings_path(project_code: @project.code, history: "24h")
   end
 
   test "creates a draft and opens audience filters" do

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")