Permette di mettere in pausa un invio e riprenderlo senza perdere la coda.

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

app/controllers/mailings_controller.rb

@@ -1,6 +1,6 @@
 class MailingsController < ApplicationController
   before_action :require_current_project!
-  before_action :set_mailing, only: %i[show edit update destroy queue cancel test_send test_preview refresh_recipients update_recipients preview audience update_audience]
+  before_action :set_mailing, only: %i[show edit update destroy queue pause resume cancel test_send test_preview refresh_recipients update_recipients preview audience update_audience]
   before_action :load_form_collections, only: %i[new create edit update]
 
   def index
@@ -11,8 +11,9 @@ class MailingsController < ApplicationController
     @page_title = "Invii email"
     @mailings = Mailing.for_project(current_project).includes(:mail_identity).recent
     @mail_identities_count = MailIdentity.active.count
-    @active_mailings = @mailings.select(&:sending?)
-    @paused_mailings = @active_mailings.select { |mailing| mailing.next_send_at.present? && mailing.next_send_at > Time.current }
+    @active_mailings = @mailings.select { |mailing| mailing.sending? || mailing.paused? }
+    @window_paused_mailings = @mailings.select(&:sending?).select { |mailing| mailing.next_send_at.present? && mailing.next_send_at > Time.current }
+    @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)
   end
@@ -180,16 +181,42 @@ class MailingsController < ApplicationController
     redirect_to @mailing, alert: e.message
   end
 
-  def cancel
+  def pause
     unless @mailing.sending?
-      redirect_to @mailing, alert: "Solo un invio in corso può essere fermato."
+      redirect_to @mailing, alert: "Solo un invio in corso può essere messo in pausa."
+      return
+    end
+
+    remaining = @mailing.pending_count + @mailing.queued_count
+    @mailing.pause_send!
+    redirect_to dashboard_mailings_path,
+                notice: "Invio in pausa. #{@mailing.sent_count} già inviate, #{remaining} pronte per quando riprendi."
+  rescue StandardError => e
+    redirect_to @mailing, alert: e.message
+  end
+
+  def resume
+    unless @mailing.paused?
+      redirect_to @mailing, alert: "Solo un invio in pausa può essere ripreso."
+      return
+    end
+
+    @mailing.resume_send!
+    redirect_to dashboard_mailings_path, notice: "Invio ripreso da dove era rimasto."
+  rescue StandardError => e
+    redirect_to @mailing, alert: e.message
+  end
+
+  def cancel
+    unless @mailing.sending? || @mailing.paused?
+      redirect_to @mailing, alert: "Solo un invio in corso o in pausa può essere annullato."
       return
     end
 
     pending = @mailing.pending_count + @mailing.queued_count
     @mailing.cancel_send!
     redirect_to dashboard_mailings_path,
-                notice: "Invio fermato. #{@mailing.sent_count} già inviate, #{pending} annullate in coda."
+                notice: "Invio annullato. #{@mailing.sent_count} già inviate, #{pending} in coda saltate."
   rescue StandardError => e
     redirect_to @mailing, alert: e.message
   end

app/helpers/application_helper.rb

@@ -163,6 +163,7 @@ module ApplicationHelper
     colors = {
       "draft" => "bg-zinc-100 text-zinc-700 dark:bg-zinc-800 dark:text-zinc-200",
       "sending" => "bg-amber-100 text-amber-800 dark:bg-amber-950 dark:text-amber-200",
+      "paused" => "bg-sky-100 text-sky-800 dark:bg-sky-950 dark:text-sky-200",
       "sent" => "bg-emerald-100 text-emerald-800 dark:bg-emerald-950 dark:text-emerald-200",
       "cancelled" => "bg-rose-100 text-rose-800 dark:bg-rose-950 dark:text-rose-200"
     }

app/models/catalog.rb

@@ -68,6 +68,7 @@ module Catalog
   MAILING_STATUSES = {
     "draft" => "Bozza",
     "sending" => "Invio in corso",
+    "paused" => "In pausa",
     "sent" => "Inviata",
     "cancelled" => "Annullata"
   }.freeze

app/models/mailing.rb

@@ -77,6 +77,10 @@ class Mailing < ApplicationRecord
     status == "sending"
   end
 
+  def paused?
+    status == "paused"
+  end
+
   def sent?
     status == "sent"
   end
@@ -215,8 +219,23 @@ class Mailing < ApplicationRecord
     update!(status: "sent", completed_at: Time.current, next_send_at: nil)
   end
 
+  def pause_send!
+    raise "Solo un invio in corso può essere messo in pausa" unless sending?
+
+    update!(status: "paused", next_send_at: nil)
+  end
+
+  def resume_send!
+    raise "Solo un invio in pausa può essere ripreso" unless paused?
+    raise "Nessun destinatario da inviare" if pending_count.zero? && queued_count.zero?
+
+    update!(status: "sending")
+    enqueue_next_recipient!(mailing_recipients.pending.order(:id).first, from: Time.current) if pending_count.positive?
+    DrainOutboundJob.perform_later if mailing_recipients.queued.exists?
+  end
+
   def cancel_send!
-    raise "Solo un invio in corso può essere fermato" unless sending?
+    raise "Solo un invio in corso o in pausa può essere annullato" unless sending? || paused?
 
     transaction do
       mailing_recipients.where(status: %w[pending queued]).find_each do |recipient|

app/views/mailings/_progress_card.html.erb

@@ -31,11 +31,9 @@
   <% elsif mailing.pending_count.positive? %>
     <p class="mt-3 text-xs text-zinc-500">Prossima email in lavorazione.</p>
   <% end %>
-  <% if mailing.sending? %>
+  <% if mailing.sending? || mailing.paused? %>
     <div class="mt-4 border-t border-zinc-100 pt-4 dark:border-zinc-800">
-      <%= button_to "Ferma invio", cancel_mailing_path(mailing), method: :post,
-            class: btn_danger,
-            form: { data: { turbo_confirm: "Fermare l'invio? Restano inviate #{mailing.sent_count} email, #{mailing.pending_count + mailing.queued_count} in coda verranno annullate." } } %>
+      <%= render "mailings/send_controls", mailing: mailing %>
     </div>
   <% end %>
 </div>

app/views/mailings/_send_controls.html.erb

@@ -0,0 +1,17 @@
+<% if mailing.sending? %>
+  <div class="flex flex-wrap gap-2">
+    <%= button_to "Metti in pausa", pause_mailing_path(mailing), method: :post,
+          class: btn_secondary,
+          form: { data: { turbo_confirm: "Mettere in pausa? Le #{mailing.sent_count} già inviate restano. Le #{mailing.pending_count + mailing.queued_count} non ancora partite si riprendono da qui." } } %>
+    <%= button_to "Annulla definitivamente", cancel_mailing_path(mailing), method: :post,
+          class: btn_danger,
+          form: { data: { turbo_confirm: "Annullare l'invio? Le #{mailing.sent_count} già inviate restano, le #{mailing.pending_count + mailing.queued_count} in coda verranno saltate e non si potranno riprendere." } } %>
+  </div>
+<% elsif mailing.paused? %>
+  <div class="flex flex-wrap gap-2">
+    <%= button_to "Riprendi invio", resume_mailing_path(mailing), method: :post, class: btn_primary %>
+    <%= button_to "Annulla definitivamente", cancel_mailing_path(mailing), method: :post,
+          class: btn_danger,
+          form: { data: { turbo_confirm: "Annullare l'invio? Le #{mailing.sent_count} già inviate restano, le #{mailing.pending_count + mailing.queued_count} in coda verranno saltate e non si potranno riprendere." } } %>
+  </div>
+<% end %>

app/views/mailings/dashboard.html.erb

@@ -77,6 +77,8 @@
                 <%= mailing.sent_count %> inviate · <%= mailing.opened_count %> aperte · <%= mailing.pending_count %> in coda
                 <% if mailing.sending? && mailing.next_send_at.present? && mailing.next_send_at > Time.current %>
                   · Riparte <%= l(mailing.next_send_at, format: :short) %>
+                <% elsif mailing.paused? %>
+                  · In pausa, si può riprendere
                 <% end %>
               </div>
             <% end %>

app/views/mailings/show.html.erb

@@ -34,15 +34,13 @@
         <%= link_to "Raffina destinatari", audience_mailing_path(@mailing), class: btn_secondary %>
         <%= button_to "Rigenera lista", refresh_recipients_mailing_path(@mailing), method: :post, class: btn_secondary %>
         <%= render "mailings/delete_draft_button", mailing: @mailing, extra_class: "flex-1 sm:flex-none" %>
-      <% elsif @mailing.sending? %>
-        <%= button_to "Ferma invio", cancel_mailing_path(@mailing), method: :post,
-              class: btn_danger,
-              form: { data: { turbo_confirm: "Fermare l'invio? Le #{@mailing.sent_count} già inviate restano, #{@mailing.pending_count + @mailing.queued_count} in coda verranno annullate." } } %>
+      <% elsif @mailing.sending? || @mailing.paused? %>
+        <%= render "mailings/send_controls", mailing: @mailing %>
       <% end %>
     </div>
   </div>
 
-  <% if @mailing.sending? || @mailing.sent? %>
+  <% if @mailing.sending? || @mailing.paused? || @mailing.sent? %>
     <%= render "mailings/progress_card", mailing: @mailing %>
   <% end %>
 
@@ -65,7 +63,7 @@
     </div>
   </div>
 
-  <% if @mailing.sending? || @mailing.sent? || @mailing.cancelled? %>
+  <% if @mailing.sending? || @mailing.paused? || @mailing.sent? || @mailing.cancelled? %>
     <div class="grid grid-cols-2 gap-3">
       <div class="<%= card_class %> p-4">
         <div class="text-xs uppercase tracking-wide text-zinc-500">Aperte</div>