1 files changed, 37 insertions, 0 deletions
diff --git a/actionmailbox/lib/action_mailbox/engine.rb b/actionmailbox/lib/action_mailbox/engine.rb
new file mode 100644
index 0000000000..0400469ff7
--- /dev/null
+++ b/actionmailbox/lib/action_mailbox/engine.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require "rails/engine"
+require "action_mailbox"
+
+module ActionMailbox
+  class Engine < Rails::Engine
+    isolate_namespace ActionMailbox
+    config.eager_load_namespaces << ActionMailbox
+
+    config.action_mailbox = ActiveSupport::OrderedOptions.new
+    config.action_mailbox.incinerate_after = 30.days
+
+    config.action_mailbox.queues = ActiveSupport::InheritableOptions.new \
+      incineration: :action_mailbox_incineration, routing: :action_mailbox_routing
+
+    initializer "action_mailbox.config" do
+      config.after_initialize do |app|
+        ActionMailbox.logger = app.config.action_mailbox.logger || Rails.logger
+        ActionMailbox.incinerate_after = app.config.action_mailbox.incinerate_after || 30.days
+        ActionMailbox.queues = app.config.action_mailbox.queues || {}
+      end
+    end
+
+    initializer "action_mailbox.ingress" do
+      config.after_initialize do |app|
+        if ActionMailbox.ingress = app.config.action_mailbox.ingress.presence
+          config.to_prepare do
+            if ingress_controller_class = "ActionMailbox::Ingresses::#{ActionMailbox.ingress.to_s.classify}::InboundEmailsController".safe_constantize
+              ingress_controller_class.prepare
+            end
+          end
+        end
+      end
+    end
+  end
+end