Commit iniziale di eminuxCRM: CRM Rails con pipeline, campagne email e Docker.

Include autenticazione, progetti isolati, mail marketing HTML con SMTP, test A/B e editor WYSIWYG.

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

app/models/mailing.rb

@@ -0,0 +1,107 @@
+class Mailing < ApplicationRecord
+  include Auditable
+  include HtmlBlankable
+
+  belongs_to :project
+  belongs_to :mail_identity
+  belongs_to :mail_template, optional: true
+  belongs_to :mail_template_b, class_name: "MailTemplate", optional: true
+  has_many :mailing_recipients, dependent: :destroy
+  has_many :organizations, through: :mailing_recipients
+  has_many_attached :files
+
+  validates :name, :subject, :body_html, presence: true
+  validates :status, inclusion: { in: Catalog::MAILING_STATUSES.keys }
+  validates :audience, inclusion: { in: Catalog::MAILING_AUDIENCES.keys }
+  validates :ab_assignment, inclusion: { in: Catalog::MAILING_AB_ASSIGNMENTS.keys }
+  validates :interval_seconds, numericality: { greater_than_or_equal_to: 0, less_than_or_equal_to: 86_400 }
+  validates :subject_b, :body_html_b, presence: true, if: :ab_test?
+  clears_blank_html :body_html, :body_html_b
+
+  scope :recent, -> { order(created_at: :desc) }
+  scope :for_project, ->(project) { where(project_id: project.id) }
+
+  def status_label
+    Catalog.label_for(Catalog::MAILING_STATUSES, status)
+  end
+
+  def audience_label
+    Catalog.label_for(Catalog::MAILING_AUDIENCES, audience)
+  end
+
+  def ab_assignment_label
+    Catalog.label_for(Catalog::MAILING_AB_ASSIGNMENTS, ab_assignment)
+  end
+
+  def ab_from_record?
+    ab_assignment == "from_record"
+  end
+
+  def subject_for(variant)
+    ab_test? && variant.to_s.upcase == "B" ? subject_b : subject
+  end
+
+  def body_for(variant)
+    ab_test? && variant.to_s.upcase == "B" ? body_html_b : body_html
+  end
+
+  def variant_pending_count(variant)
+    mailing_recipients.pending.where(ab_variant: variant).count
+  end
+
+  def variant_sent_count(variant)
+    mailing_recipients.sent.where(ab_variant: variant).count
+  end
+
+  def draft?
+    status == "draft"
+  end
+
+  def sending?
+    status == "sending"
+  end
+
+  def sent?
+    status == "sent"
+  end
+
+  def editable?
+    draft?
+  end
+
+  def pending_count
+    mailing_recipients.pending.count
+  end
+
+  def skipped_count
+    mailing_recipients.skipped.count
+  end
+
+  def sent_count
+    mailing_recipients.sent.count
+  end
+
+  def failed_count
+    mailing_recipients.failed.count
+  end
+
+  def rebuild_recipients!
+    mailing_recipients.delete_all
+    Mailings::RecipientBuilder.new(self).call
+  end
+
+  def queue_send!
+    raise "Nessun destinatario da inviare" if pending_count.zero?
+
+    update!(status: "sending", queued_at: Time.current)
+    first = mailing_recipients.pending.order(:id).first
+    SendMailingRecipientJob.perform_later(first.id)
+  end
+
+  def mark_finished_if_done!
+    return unless sending?
+    return if mailing_recipients.pending.exists? || mailing_recipients.queued.exists?
+
+    update!(status: "sent", completed_at: Time.current)
+  end
+end