Aggiunge pagamento con bonifico e importo concordato per società.

Il piano si attiva solo dopo la conferma admin; Stripe resta a listino se non c'è un prezzo commerciale.

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

backend/app/mailers/billing/invoice_mailer.rb

@@ -5,17 +5,37 @@ module Billing
       @club = @invoice.club
 
       I18n.with_locale(I18n.locale) do
-        prefix = t("mailers.invoice.attachment_prefix")
-        attachments["#{prefix}-#{@invoice.number.parameterize}.pdf"] = {
-          mime_type: "application/pdf",
-          content: @invoice.pdf.download
-        }
-
+        attach_invoice_pdf!
         mail(
           to: @club.billing_email,
           subject: t("mailers.invoice.subject", number: @invoice.display_number)
         )
       end
     end
+
+    def plan_activated_with_invoice
+      @invoice = params[:invoice]
+      @club = @invoice.club
+
+      I18n.with_locale(I18n.locale) do
+        attach_invoice_pdf!
+        mail(
+          to: @club.billing_email,
+          subject: t("mailers.invoice_activated.subject",
+                     plan: @club.subscription&.plan&.name || @invoice.display_number,
+                     number: @invoice.display_number)
+        )
+      end
+    end
+
+    private
+
+    def attach_invoice_pdf!
+      prefix = t("mailers.invoice.attachment_prefix")
+      attachments["#{prefix}-#{@invoice.number.parameterize}.pdf"] = {
+        mime_type: "application/pdf",
+        content: @invoice.pdf.download
+      }
+    end
   end
 end