发送邮件部分代码优化

app/models/mailer.rb

@@ -57,6 +57,7 @@ class Mailer < ActionMailer::Base
     #如果是直接留言并且留言对象是Project并且Project类型是课程
     if !journals_for_message.at_user && journals_for_message.jour.class.to_s.to_sym == :Project && journals_for_message.jour.project_type == 1
       project =  journals_for_message.jour
+      @author = journals_for_message.user
       #课程的教师
       @teachers = searchTeacherAndAssistant journals_for_message.jour
       #收件人邮箱
@@ -440,10 +441,7 @@ class Mailer < ActionMailer::Base
       headers[:to].delete(@author.mail) if headers[:to].is_a?(Array)
       headers[:cc].delete(@author.mail) if headers[:cc].is_a?(Array)
     end
-    if  !User.current.nil?
-      #不给本人发邮件
-      headers[:to].delete(User.current.mail) if headers[:to].is_a?(Array)
-    end
+
     if @author && @author.logged?
       redmine_headers 'Sender' => @author.login
     end