我有一个注册表单,它有嵌套的关联/属性,无论你想叫它们。
我的层次结构就是这样:
class User < ActiveRecord::Base
acts_as_authentic
belongs_to :user_role, :polymorphic => true
end
class Customer < ActiveRecord::Base
has_one :user, :as => :user_role, :dependent => :destroy
accepts_nested_attributes_for :user, :allow_destroy => true
validates_associated :user
end
class Employee < ActiveRecord::Base
has_one :user, :as => :user_role, :dependent => :destroy
accepts_nested_attributes_for :user, :allow_destroy => true
validates_associated :user
end
我在这些课程中也有一些验证内容。我的问题是,如果我尝试使用空白表单创建和客户(或员工等),我会得到所有的验证错误,加上一些通用的错误,如“用户无效”和“客户无效”如果我迭代我得到的错误是:
user.login can't be blank
User is invalid
customer.whatever is blah blah blah...etc
customer.some_other_error etc etc
由于嵌套用户模型中至少有一个无效字段,因此会在错误列表中添加额外的“X无效”消息。这让我的客户感到困惑,所以我想知道是否有一种快速的方法可以做到这一点,而不必自己报告错误。
答案 0 :(得分:6)
萨利尔的回答几乎是正确的,但他从未做过100%。这是正确的方法:
def after_validation
# Skip errors that won't be useful to the end user
filtered_errors = self.errors.reject{ |err| %{ person }.include?(err.first) }
# recollect the field names and retitlize them
# this was I won't be getting 'user.person.first_name' and instead I'll get
# 'First name'
filtered_errors.collect{ |err|
if err[0] =~ /(.+\.)?(.+)$/
err[0] = $2.titleize
end
err
}
# reset the errors collection and repopulate it with the filtered errors.
self.errors.clear
filtered_errors.each { |err| self.errors.add(*err) }
end
答案 1 :(得分:3)
使用 after_validation 方法
def after_validation
# Skip errors that won't be useful to the end user
filtered_errors = self.errors.reject{ |err| %w{ user User }.include?(err.first) }
self.errors.clear
filtered_errors.each { |err| self.errors.add(*err) }
end
EDITED
注意: -
在您的案例中添加以下列表,即用户或用户。如果您有多个以空格分隔的assosciation,则可以添加多个。
%w{ User user }.include?(err.first) #### This piece of code from the above method has logic which reject the errors which won't be useful to the end user