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Posted in What is wrong in my script?
Hi dear community,
I created a survey app which has questions and answers as radio buttons. So firstly i asked on stackoverflow. A good guy helped me but there is some issue in form. This my survey_controller:
class SurveysController < ApplicationController
before_action :authenticate_user!
before_action :set_survey, only: [:show, :edit, :update, :destroy]
# GET /surveys
# GET /surveys.json
def index
@surveys = Survey.all
end
# GET /surveys/1
# GET /surveys/1.json
def show
#set_survey
end
# GET /surveys/new
def new
@survey = Survey.new
respond_to do |format|
format.html # new.html.erb
format.json
end
end
# GET /surveys/1/edit
def edit
end
# POST /surveys
# POST /surveys.json
def create
@survey = current_user.surveys.new(survey_params)
respond_to do |format|
if @survey.save
format.html { redirect_to @survey, notice: 'Survey was successfully created.' }
format.json { render :show, status: :created, location: @survey }
else
format.html { render :new }
format.json { render json: @survey.errors, status: :unprocessable_entity }
end
end
end
# PATCH/PUT /surveys/1
# PATCH/PUT /surveys/1.json
def update
respond_to do |format|
if @survey.update(survey_params)
format.html { redirect_to @survey, notice: 'Survey was successfully updated.' }
format.json { render :show, status: :ok, location: @survey }
else
format.html { render :edit }
format.json { render json: @survey.errors, status: :unprocessable_entity }
end
end
end
# DELETE /surveys/1
# DELETE /surveys/1.json
def destroy
@survey.destroy
respond_to do |format|
format.html { redirect_to surveys_url, notice: 'Survey was successfully destroyed.' }
format.json { head :no_content }
end
end
def new_response
@survey = Survey.find(params[:id])
@response = @survey.responses.build
# now, the tricky part, you have to build the Answer objects so you can use the nested form later
@survey.questions.each do |q|
@response.answers.build question: q
end
end
def create_response
@survey = Survey.find(params[:id])
@response = @survey.build(response_params)
@response.user = current_user
@response.save
end
private
# Use callbacks to share common setup or constraints between actions.
def set_survey
@survey = Survey.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def survey_params
params.require(:survey).permit(:id,:name, :user_id, questions_attributes:[:id, :title, :qtype, :survey_id, options_attributes:[:id, :otext, :question_id]])
end
def response_params
params.require(:response).permit(answers_attributes: [:question_id, :choice_id])
end
end
and that is my response form:
= form_for @response, url: create_response_survey_path(@survey) do |f|
- # you can iterate over all the answers already initialized
= f.fields_for :answers do |ff|
- # get the question from the current answer to show the title and options and a hidden_field with the question id
- q = ff.object.question
= q.title
= ff.hidden_field :question_id
- # add the radios for each options for the question
- q.options.each do |option|
= label_tag do
= ff.radio_button :option_id, option.id
= option.title
= f.submit 'Send'
finally my routes:
Rails.application.routes.draw do
devise_for :users
resources :surveys do
member do
get :new_response
get :create_response
end
end
root 'surveys#index'
end
It is givin error belov when i try open the response form:
create_response.html.haml
undefined method `question' for nil:NilClass
- q = ff.object.question
This is the repository link if you need check: repolink
Thanks.