1 files changed, 32 insertions, 0 deletions
diff --git a/actionmailbox/lib/rails/generators/mailbox/mailbox_generator.rb b/actionmailbox/lib/rails/generators/mailbox/mailbox_generator.rb
new file mode 100644
index 0000000000..c2c403b8f6
--- /dev/null
+++ b/actionmailbox/lib/rails/generators/mailbox/mailbox_generator.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+module Rails
+  module Generators
+    class MailboxGenerator < NamedBase
+      source_root File.expand_path("templates", __dir__)
+
+      check_class_collision suffix: "Mailbox"
+
+      def create_mailbox_file
+        template "mailbox.rb", File.join("app/mailboxes", class_path, "#{file_name}_mailbox.rb")
+
+        in_root do
+          if behavior == :invoke && !File.exist?(application_mailbox_file_name)
+            template "application_mailbox.rb", application_mailbox_file_name
+          end
+        end
+      end
+
+      hook_for :test_framework
+
+      private
+        def file_name # :doc:
+          @_file_name ||= super.sub(/_mailbox\z/i, "")
+        end
+
+        def application_mailbox_file_name
+          "app/mailboxes/application_mailbox.rb"
+        end
+    end
+  end
+end