CODEWITHSUNDEEP
ruby-on-railsrubyformsactiverecordnested
ESD
ESD

Reputation: 544

Nested form not complaining, but not saving data

the forms for creating my polls show up correctly and the poll itself is created, but the answer options are not saved...

I am using rails 5.0.0.1

this is my db :

class CreatePolls < ActiveRecord::Migration[5.0]
  def change
    create_table :polls do |t|
      t.string :question

      t.timestamps
    end
  end
end

-

class CreateAnswerOptions < ActiveRecord::Migration[5.0]
  def change
    create_table :answer_options do |t|
      t.references :poll, foreign_key: true
      t.string :text
      t.integer :nbvotes, :default => 0

      t.timestamps
    end
  end
end

-

my models : 

class AnswerOption < ApplicationRecord
  belongs_to :poll
end

-

class Poll < ApplicationRecord
  has_many :answer_options, :dependent => :destroy
  accepts_nested_attributes_for :answer_options
end

my controller : 

  # GET /polls/new
  def new
    @poll = Poll.new
    2.times { @poll.answer_options.build }
  end

  # POST /polls
  # POST /polls.json
  def create
    @poll = Poll.new(poll_params)

    respond_to do |format|
      if @poll.save
        format.html { redirect_to @poll, notice: 'Poll was successfully created.' }
        format.json { render :show, status: :created, location: @poll }
      else
        format.html { render :new }
        format.json { render json: @poll.errors, status: :unprocessable_entity }
      end
    end
  end

and my view : 

<%= form_for(poll) do |f| %>
  <% if poll.errors.any? %>
    <div class="row">
      <div id="error_explanation">
        <h2><%= pluralize(poll.errors.count, "error") %> prohibited this poll from being saved:</h2>

        <ul>
        <% poll.errors.full_messages.each do |message| %>
          <li><%= message %></li>
        <% end %>
        </ul>
      </div>
    </div>
  <% end %>
  <div class="row">
    <div class="field form-group">
      <%= f.label :question %>
      <%= f.text_field :question, :class => 'form-control' %>
    </div>
  </div>

  <div class="row">
    <div class="col-md-1">
      <!--tab-->
    </div>
    <div class="col-md-11">
      <label for="options">Options</label>
      <ul class="list-group">
        <%= f.fields_for :answer_options do |builder|%>
          <li class="list-group-item">
            <%= builder.text_field :text %>
          </li>
        <% end %>
      </ul>
    </div>
  </div>

  <div class="row">
    <div class="actions">
      <%= f.submit "Create Poll", :class => 'btn btn-primary' %>
    </div>
  </div>
<% end %>

I can't find why the data is not being saved... I can create them in the rails console ans they get displayed in the show action. I tried playing with adding and removing 's' in the naming of poll or answer_option without success...

Upvotes: 0

Views: 55

Answers (1)

BIlal Khan
BIlal Khan

Reputation: 471

Can you please use this piece of code. You are required to permit the answer_options_attributes params as it is created by nested attributes automatically.

def poll_params
  params.require(:poll).permit(:question, answer_options_attributes: [:text])
end

Upvotes: 1

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