Grails从域验证器获取会话变量 [英] Grails get session variable from domain validator

问题描述

我确定这是一种常见的情况，但我还没有找到任何答案。我有一个包含当前登录用户的会话范围变量，我需要通过域对象中的自定义验证器执行条件验证。有没有一种方法可以在验证程序中将当前用户从会话范围中取出，或者有另一种方法可以执行此操作，请记住，我希望能够从我的验证程序中返回特定字段的错误（例如 if（isBlank（it））return ['blank'，'summary'，Presentation]; ）

basic结构：

  class MyDomain 
 {
 String aProperty; 
 static constraints = 
 {
 aProperty（validator：{
 if（isAdmin（））return true; 
 if（isBlank（it））return ['blank' ，'summary'，Presentation]; 
}）
} 
} 
  

解决方案

看到这篇文章： http://www.mosbase.com/2011/07/grails-accessing-http-session-from.html

Im sure this is a common scenario, but I haven't found any answers. I have a session-scoped variable that holds the currently signed in user and I need to perform conditional validation by way of a custom validator in a domain object. Is there a way to get the the current user from the session scope while in a validator, or is there perhaps another way to do this, keeping in mind that I want to be able to return the errors for specific fields from my validator(e.g. if(isBlank(it))return ['blank','summary',Presentation];)

basic struture:

class MyDomain 
{
    String aProperty;
    static constraints =
    {
        aProperty(validator:{
        if(isAdmin())return true;
        if(isBlank(it))return ['blank','summary',Presentation];
        })
    }
}

解决方案

See this post: http://www.mosbase.com/2011/07/grails-accessing-http-session-from.html

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