Extract MessageId concern

1 files changed, 25 insertions, 0 deletions

diff --git a/app/models/action_mailroom/inbound_email/message_id.rb b/app/models/action_mailroom/inbound_email/message_id.rb
new file mode 100644
index 0000000000..6bdda8c1c7
--- /dev/null
+++ b/app/models/action_mailroom/inbound_email/message_id.rb
@@ -0,0 +1,25 @@
+module ActionMailroom::InboundEmail::MessageId
+  extend ActiveSupport::Concern
+
+  included do
+    before_save :generate_missing_message_id
+  end
+
+  module ClassMethods
+    def create_and_extract_message_id!(raw_email, **options)
+      create! raw_email: raw_email, message_id: extract_message_id(raw_email), **options
+    end
+
+    private
+      def extract_message_id(raw_email)
+        mail_from_source(raw_email.read).message_id
+      rescue => e
+        # FIXME: Add logging with "Couldn't extract Message ID, so will generating a new random ID instead"
+      end
+  end
+
+  private
+    def generate_missing_message_id
+      self.message_id ||= Mail::MessageIdField.new.message_id
+    end
+end