preserve submitter preferences

app/models/email_message.rb

@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: email_messages
+#
+#  id         :bigint           not null, primary key
+#  body       :text             not null
+#  sha1       :string           not null
+#  subject    :text             not null
+#  uuid       :string           not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  account_id :bigint           not null
+#  author_id  :bigint           not null
+#
+# Indexes
+#
+#  index_email_messages_on_account_id  (account_id)
+#  index_email_messages_on_sha1        (sha1)
+#  index_email_messages_on_uuid        (uuid)
+#
+# Foreign Keys
+#
+#  fk_rails_...  (account_id => accounts.id)
+#  fk_rails_...  (author_id => users.id)
+#
+class EmailMessage < ApplicationRecord
+  belongs_to :author, class_name: 'User'
+  belongs_to :account
+
+  attribute :uuid, :string, default: -> { SecureRandom.uuid }
+
+  before_validation :set_sha1, on: :create
+
+  def set_sha1
+    self.sha1 = Digest::SHA1.hexdigest({ subject:, body: }.to_json)
+  end
+end