使用多模型表单的Rails自定义验证
问题描述:
我遇到了我的rails自定义验证问题。使用多模型表单的Rails自定义验证
def validates_hsp_program(*attr_names)
options = attr_names.extract_options!
regex = '^('
err = ''
$CetConfig.program.each do |key, val|
regex << val.to_s << '|'
err << $CetConfig.program_prefix + " " + val.to_s + ", "
end
regex.chomp!('|')
regex << ')$'
regex = Regexp.new(regex)
validates_each attr_names do | record, attr_name, value |
exit 1
unless value.nil? or value =~ regex
record.errors.add(attr_name, 'must be one of ' + err.chomp(", "));
end
end
end
问题是,出于调试目的,我添加了退出1,因为我没有得到该字段的无效日期的错误消息。但是,它永远不会退出。这是我在所有其他自定义验证器中所做的同样的事情。我能看到的唯一区别是这是多模式表单的第二个模型,其他所有模型都在第一个模型上......我做错了什么?
我的模型
class ProfileProgram < ActiveRecord::Base
set_table_name "profile_program"
set_primary_key "STUDENT_ID"
belongs_to :profile_core, :primary_key => "STUDENT_ID", :foreign_key => "STUDENT_ID"
validates_presence_of :program
validates_hsp_program :program
end
从我的控制器行动
def create
@pc = ProfileCore.new(params[:profile_core])
@pp = ProfileProgram.new(params[:profile_program])
@pc.student_type = $CetConfig.student_type.application
@pc.AGENT_ID = current_agents_staff.AGENT_ID
year = @pc.contract.to_s
case @pp.program
when 10 then
sd = year + '-09-01'
ed = year + '-06-30'
when 51 then
sd = year + '-08-15'
ed = year + '-06-30'
when 52 then
sd = year + '-01-15'
ed = year + '-06-30'
when 12 then
sd = year + '-01-15'
ed = year + '-01-14'
else
sd = nil
ed = nil
end
@pc.start_date = Date.parse(sd) unless sd.nil?
@pc.end_date = Date.parse(ed) unless ed.nil?
@pc.program_status = $CetConfig.student_status.apply
if @pc.valid? and @pp.valid?
ProfileCore.transaction do
@pc.save!
@pp.save!
end
redirect_to(students_path(@pc.STUDENT_ID))
else
render :action => 'new'
end
end
我的观点(element_block是,仅仅充塞的标签和字段到右侧的标签为DL一个帮手)
<% form_for :profile_core, @pc, :url => { :controller => 'core', :action => 'create'} do |f| %>
<%= error_messages_for :object => [ @pc, @pp ] %>
<dl>
<%= element_block f.label(:contract, 'Contract Year'), f.contract_year_select(:contract) %>
<% fields_for :profile_program do |pp| %>
<%= element_block pp.label(:program, 'Program'), pp.hsp_program_select(:program) %>
<% end %>
<%= element_block f.label(:passport_number, 'Passport Number'), f.text_field(:passport_number) %>
<%= element_block f.label(:passport_country, "Country that issued the student's passport"), f.countries_select(:passport_country) %>
<%= element_block f.label(:passport_expires, 'Passport Expiration Date'), f.text_field(:passport_expires, :class => 'datepicker') %>
<%= element_block f.label(:last_name, 'Last Name (as on passport)'), f.text_field(:last_name) %>
<%= element_block f.label(:first_name, 'First Name (as on passport)'), f.text_field(:first_name) %>
<%= element_block f.label(:middle_name, 'Middle Name (as on passport)'), f.text_field(:middle_name) %>
<%= element_block f.label(:other_names, 'Other Names'), f.text_field(:other_names) %>
<%= element_block f.label(:residence_street_address, 'Street Address'), f.text_field(:residence_street_address) %>
<%= element_block f.label(:residence_city, 'City'), f.text_field(:residence_city) %>
<%= element_block f.label(:residence_province, 'Province'), f.text_field(:residence_province) %>
<%= element_block f.label(:residence, 'Country'), f.text_field(:residence) %>
<%= element_block f.label(:residence_postal_code, 'Postal Code'), f.text_field(:residence_postal_code) %>
<%= element_block f.label(:birthdate, 'Date of Birth'), f.text_field(:birthdate, :class => 'datepicker', :id => "student_birth_date") %>
<%= element_block f.label(:citizenship, 'Country of Citizenship'), f.countries_select(:citizenship) %>
<%= element_block f.label(:birth_city, 'Birth City'), f.text_field(:birth_city) %>
<%= element_block f.label(:nationality, 'Nationality'), f.countries_select(:nationality) %>
<%= element_block f.label(:gender, 'Gender'), f.gender_select(:gender) %>
<%= element_block f.label(:email, 'Email'), f.text_field(:email) %>
<%= element_block f.label(:desires_esl, 'Does the student wish to participate in CLEP?'), f.bool_yes_no_select(:desires_esl) %>
<%= element_block f.label(:may_pay_tuiton, 'Willing to pay tuition'), f.yes_no_select(:may_pay_tuition) %>
</dl>
<div class="submit"><%= submit_tag("Proceed to Step Two") %></div>
<% end %>
答
这是我结束了照顾它accepts_nested_attributes_for
主要模式。 (替换为省略号无关代码)
class ProfileCore < ActiveRecord::Base
set_table_name "profile_core"
set_primary_key "STUDENT_ID"
belongs_to :agents_profile, :primary_key => "AGENT_ID", :foreign_key => "AGENT_ID"
has_one :profile_program, :primary_key => "STUDENT_ID", :foreign_key => "STUDENT_ID"
accepts_nested_attributes_for :profile_program
...
end
二次模型
class ProfileProgram < ActiveRecord::Base
set_table_name "profile_program"
set_primary_key "STUDENT_ID"
belongs_to :profile_core, :primary_key => "STUDENT_ID", :foreign_key => "STUDENT_ID"
validates_presence_of :program
validates_hsp_program :program
end
在控制器新的动作。 (创建,是无关紧要的)
def new
@pc = ProfileCore.new
@pp = @pc.build_profile_program
end
查看
<% form_for @pc, :url => { :controller => 'core', :action => 'create'} do |f| %>
<%= f.error_messages %>
<dl>
<%= element_block f.label(:contract, 'Contract Year'), f.contract_year_select(:contract) %>
<% f.fields_for :profile_program do |pp| %>
<%= element_block pp.label(:program, 'Program'), pp.hsp_program_select(:program) %>
<% end %>
<%= element_block f.label(:passport_number, 'Passport Number'), f.text_field(:passport_number) %>
...
<% end %>
我只包括验证本身,鸭冲孔不是位,使其工作。我知道验证程序是运行的,因为我可以在validate_each之前退出或调试它。 – baudtack