我正在使用Wicked创建一个多页面webform。但是，我需要在该表单中使用多个表。我成功使用了一个，并得到第二个表的页面很好地显示。但是，当我尝试保存它时，它会出现此错误：
NoMethodError in Enquirys::StepsController#update
undefined method `needed' for #<Enquiry:0x007fa4530e4cb0>
我现在已经搞砸了一段时间，但没有成功。
因为我有很多代码而且不知道在哪里查看，我在这个要点中添加了重要内容：https://gist.github.com/GroeGIT/f22bd079814df2c0acc8430c4db520a7
任何人都可以帮我解决这个问题，还是Wicked不支持使用不同表格的多页表单？
由于
模型
class Enquiry < ActiveRecord::Base
#ophalen van andere tabellen voor het formulier. Has_many is 1 op veel relatie
#accepts_nested_attributes Nested attributes allow you to save attributes on associated records through the paren
# de dere regel zorgt ervoor dat de maatregelen worden opgehaald via de tussentabel enquiry_measures.
has_many :enquiry_measures, :class_name => 'EnquiryMeasure' #, inverse_of: :Enquiry
accepts_nested_attributes_for :enquiry_measures, :allow_destroy => false
has_many :measures, -> { uniq }, :class_name => 'Measure', :through => :enquiry_measures, dependent: :destroy
has_many :controls, :class_name => 'Control' #, inverse_of: :Enquiry
has_many :applicants, :class_name => 'Applicant' #, inverse_of: :Enquiry
has_many :agrees, :class_name => 'Agree' #, inverse_of: :Enquiry
has_many :signatures, :class_name => 'Signature' #, inverse_of: :Enquiry
accepts_nested_attributes_for :signatures, :allow_destroy => false
has_many :tools, :class_name => 'Tool' #, inverse_of: :Enquiry
# 28-11 MG de pagina's die in het form worden gebruikt.
cattr_accessor :form_steps do
%w(basic when measurements)
end
attr_accessor :form_step
validates :Reference, :Location, presence: true, if: -> { required_for_step?(:basic) }
validates :Amount, :Date, presence: true, if: -> { required_for_step?(:when) }
validates :needed, presence: true, if: -> { required_for_step?(:measurements) }
#validates :needed, :measurement, presence: true, if: -> { required_for_step?(:createmeasures) }
def required_for_step?(step)
return true if form_step.nil?
return true if self.form_steps.index(step.to_s) <= self.form_steps.index(form_step)
end
end
class EnquiryMeasure < ActiveRecord::Base
belongs_to :enquiry, :class_name => 'Enquiry' #, inverse_of: :enquiry_measures
validates_presence_of :enquiry
has_many :measure, :class_name => 'Measure'
end
控制器： 询问控制员：
class EnquirysController < ApplicationController
before_action :set_enquiry, only: [:show, :edit, :update, :destroy]
before_action :set_measurement, only: [:show, :edit, :update]
def index
# Normally you'd have more complex requirements about
# when not to show rows, but we don't show any records that don't have a name
@enquirys = Enquiry.where.not(reference: nil)
#voor het toevoegen van maatregelen. test!
@measurements = Measure.where.not(measurement: nil)
#@enquirymeasure = EnquiryMeasure.where.not(enquiry_measure_id: nil)
end
def new
@enquiry = Enquiry.new
#voor het toevoegen van maatregelen. test!
@enquiry_measure = EnquiryMeasure.new
@measurement = Measure.new
end
def create
@enquiry = Enquiry.new
#@enquiry_measure = EnquiryMeasure.new
@enquiry.enquiry_measures.build#(:enquiry_id => :id)
@enquiry.save(validate: false)
#@enquiry_measure.save(validate: false)
redirect_to enquiry_step_path(@enquiry, Enquiry.form_steps.first)
@measurement = Measure.new
@measurement.save(validate: false)
end
def show
@enquiry = Enquiry.find(params[:enquiry_id])
@measurement = Measure.find(params[:id])
end
def destroy
@enquiry.destroy
respond_to do |format|
format.html { redirect_to enquirys_url }
format.json { head :no_content }
end
end
private
# Use callbacks to share common setup or constraints between actions.
def set_enquiry
@enquiry = Enquiry.find(params[:id])
end
def set_measurement
@measurement = Measure.find(params[:Measure.id])
end
# Never trust parameters from the scary internet, only allow the white list through.
#Nodig voor het opslaan en tonen van items! alle weer te geven dingen dienen in de params te staan.
def enquiry_params
params.require(:enquiry).permit(:Reference, :Location, :Date, :Time, :Amount, measure_attributes: [:measurement, :type, :valid_from, :valid_to] )
#nquiry_measures_attributes: [ :done, :responsible, :needed]
end
end
Step_controller：
class Enquirys::StepsController < ApplicationController
include Wicked::Wizard
steps *Enquiry.form_steps
def show
@enquiry = Enquiry.find(params[:enquiry_id])
#@enquiry_measures = EnquiryMeasure.find(params[:enquiry_measure_id])
render_wizard
end
def update
@enquiry = Enquiry.find(params[:enquiry_id])
@enquiry.update(enquiry_params(step))
#werkt niet, could not find EnquiryMeasure with 'id'=
#@enquiry_measure = EnquiryMeasure.find(params[:enquiry_measure_id])
#@enquiry_measure.update(enquiry_measure_params(step))
render_wizard @enquiry
end
private
def enquiry_params(step)
permitted_attributes = case step
when "basic"
[:Reference, :Description, :Location]
when "when"
[:Amount, :Date]
when "measurements"
[:responsible, :needed, :done]
# when "createmeasures"
# [:measurement]
end
params.require(:enquiry).permit(permitted_attributes).merge(form_step: step)
#params.require(:enquiry_measures).permit(permitted_attributes).merge(form_step: step)
end
end
有问题的观点：
<%= form_for @enquiry, method: :put, url: wizard_path do |f| %>
<% if f.object.errors.any? %>
<div class="error_messages">
<% f.object.errors.full_messages.each do |error| %>
<p><%= error %></p>
<% end %>
</div>
<% end %>
<fieldset>
<legend>Informatie</legend>
<div>
<%= f.label :reference %>
<%= f.text_field :Reference, disabled: true %>
</div>
</fieldset>
<%# Code voor de Measurements. %>
<fieldset>
<legend>Maatregelen</legend>
<%= f.fields_for :enquiry_measures do |enquiry_measures| %>
<%# enquiry_measures.fields_for :measure do |measures| %>
<% if false %>
<div>
<%= f.label :Maatregel %>
<br/>
<%= collection_select(:measure, :enquiry_id, Enquiry.all, :id, :measurement) %>
<%# http://api.rubyonrails.org/classes/ActionView/Helpers/FormOptionsHelper.html#method-i-collection_select -%>
<%# uitgebreider, bovenstaande zou goed moeten zijn(8-12 MG) collection_select :measurement, :enquiry_measures, measurement.select(:measurement).uniq.order('measurement ASC'), :measurement, :measurement, {:prompt => 'kies een maatregel'}, {:name => 'select_measurement'} %>
</div>
<% end %>
<div>
<%# test met enquiry_measures ipv f.label 7-12 MG%>
<%= f.label :Gereed %>
<br/>
<%= enquiry_measures.check_box :done %>
</div>
<div>
<%= f.label :Verantwoordelijke %>
<br/>
<%= enquiry_measures.text_field :responsible %>
</div>
<div>
<%= f.label :Benodigd %>
<br/>
<%= enquiry_measures.check_box :needed %>
</div>
<div>
<%= f.submit 'Next Step' %>
<%# 24-11 MG knop die je terug stuurt naar de homepage %>
<%= button_tag "Annuleren", :type => 'button', :class => "subBtn", :onclick => "location.href = '#{root_path()}'" %>
</div>
<%# end of enquiry_measures.fields_for :measure, END Tag nog plaatsen! %>
<% end %> <%# end of f.fields_for :enquiry_measures %>
</fieldset>
<% end %>