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/services/mailings/recipient_builder.rb

@@ -0,0 +1,67 @@
+class Mailings::RecipientBuilder
+  def initialize(mailing)
+    @mailing = mailing
+  end
+
+  def call
+    split_index = 0
+    ordered_scope.each do |org|
+      contact = org.primary_contact || org.contacts.min_by(&:id)
+      email = contact&.email.presence || org.email.presence
+      attrs = {
+        organization: org,
+        contact: contact,
+        email: email&.downcase
+      }
+      if email.blank?
+        attrs[:status] = "skipped"
+        attrs[:skip_reason] = "manca email"
+      elsif !email.match?(URI::MailTo::EMAIL_REGEXP)
+        attrs[:status] = "skipped"
+        attrs[:skip_reason] = "email non valida"
+      else
+        attrs[:status] = "pending"
+      end
+      assign_variant!(attrs, org, split_index)
+      split_index += 1 if attrs[:status] == "pending"
+      @mailing.mailing_recipients.create!(attrs)
+    end
+    @mailing.mailing_recipients.ordered
+  end
+
+  private
+
+  def ordered_scope
+    scope.reorder(Arel.sql("organizations.list_position ASC NULLS LAST"), "organizations.name ASC")
+  end
+
+  def scope
+    orgs = Organization.for_project(@mailing.project).includes(:contacts, :opportunities)
+    org_ids =
+      case @mailing.audience
+      when "to_send"
+        Opportunity.where(project_id: @mailing.project_id, send_status: "to_send").select(:organization_id)
+      when "test_a"
+        Opportunity.where(project_id: @mailing.project_id, ab_variant: "A").select(:organization_id)
+      when "test_b"
+        Opportunity.where(project_id: @mailing.project_id, ab_variant: "B").select(:organization_id)
+      else
+        orgs.select(:id)
+      end
+    orgs.where(id: org_ids)
+  end
+
+  def assign_variant!(attrs, org, split_index)
+    return unless @mailing.ab_test?
+
+    opportunity = org.campaign_opportunity(@mailing.project)
+    recorded = opportunity&.ab_variant.to_s.upcase
+    variant =
+      if @mailing.ab_from_record? && recorded.in?(%w[A B])
+        recorded
+      else
+        split_index.even? ? "A" : "B"
+      end
+    attrs[:ab_variant] = variant
+  end
+end