Rails4验证唯一性范围检查

Question

我在模型下面的验证我的电子邮件

:uniqueness => { :scope => :company_id, :message => "Email has already been taken" } 

如何给出了两个范围条件验证独特

：独特性=> {：范围=>:company_id and :status => 0，：消息=> “电子邮件已经采取”}

Answer 1

尝试了这一点

:uniqueness => { :scope => [:company_id, :status], :message => "Email has already been taken"}, if: Proc.new { |obj| obj.status == 0 }