Trying to use simple_form radio button to input value

Question

I am trying to use simple_form radio button collection to categorize my post, however, it seems the value cannot be read by model.

The following are codes

class CreatePosts < ActiveRecord::Migration
 def change
 create_table :posts do |t|
  t.text :content
  t.integer :category
  t.references :user, index: true, foreign_key: true
  t.references :comment

  t.timestamps null: false
end
end
end

And while I made the post like the following

<%= simple_form_for:post do |f| %>
   <%= f.collection_radio_buttons :category, [[1,"Joke "],[2,"Gossip "],[3,"option3 "],[4,"option4 "]], :first, :last %>
   <%= f.text_area :content  %>
   <%= f.button :submit, "Post" %>          
<% end %>

No matter what I click on the radio button. the results are the same

Post Load (12.7ms)  SELECT  "posts".* FROM "posts" ORDER BY "posts"."id" DESC LIMIT $1  [["LIMIT", 1]]
 => #<Post id: 17, content: "test again",  category: nil, user_id: 1, created_at: "2017-12-13 05:47:09", updated_at: "2017-12-13 05:47:09">

category: nil

How to input the value by click a radio button?

puneet18 · Accepted Answer · 2017-12-13 06:14:48Z

1

You have missed ], change line

<%= f.collection_radio_buttons :category, [[1,"Joke "],[2,"Gossip "],[3,"option3 "],[4,"option4 "], :first, :last %>

with

<%= f.collection_radio_buttons :category, [[1,"Joke "],[2,"Gossip "],[3,"option3 "],[4,"option4 "]], :first, :last %>

answered Dec 13, 2017 at 6:14

puneet18

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2 Comments

Chionn K Over a year ago

My code on computer is correct. Just miss type a " ] " on stackoverflow when ask this question. The problem is still exist.

puneet18 Over a year ago

can you paste controller code as well. Have you permit category in controller?/

Anand · Accepted Answer · 2017-12-13 06:54:08Z

0

your category column is integer type so i think secound argument of array should be integer instead of string, lets try this.

<%= f.collection_radio_buttons :category, [["Joke ",1],["Gossip ",2],["option3 ",3],["option4 ",4]], :first, :last %>

answered Dec 13, 2017 at 6:54

Anand

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