subject only email message

lib/params/submission_create_validator.rb

@@ -29,8 +29,6 @@ module Params
       in_path(params, :message) do |message_params|
         type(message_params, :subject, String)
         type(message_params, :body, String)
-
-        required(message_params, :body)
       end
     end
 
@@ -53,8 +51,6 @@ module Params
       in_path(params, :message, skip_blank: true) do |message_params|
         type(message_params, :subject, String)
         type(message_params, :body, String)
-
-        required(message_params, :body)
       end
 
       value_in(params, :order, %w[preserved random], allow_nil: true)
@@ -119,8 +115,6 @@ module Params
       in_path(params, :message) do |message_params|
         type(message_params, :subject, String)
         type(message_params, :body, String)
-
-        required(message_params, :body)
       end
 
       value_in(params, :order, %w[preserved random], allow_nil: true)

lib/submitters.rb

@@ -143,7 +143,7 @@ module Submitters
   def normalize_preferences(account, user, params)
     preferences = {}
 
-    message_params = params['message'].presence || params.slice('subject', 'body').presence
+    message_params = (params['message'].presence || params.slice('subject', 'body')).compact_blank
 
     if message_params.present?
       email_message = EmailMessages.find_or_create_for_account_user(account, user,