Ruby on Rails

I am working on Address book and i face problem regarding how to added
dynamic column by each user. Each user display its own
column. How to submit all multiple record inside one form.

view (e.g consider mike is user and its create name,city and address
dynamic column how three row inserted into database. )

<h1>Add Field values</h1>

<%= form_for(:detail, :url => {:controller => 'details', :action =>
'create'}) do |f| %>

<% @info.each do |a| %>
<%= f.hidden_field :columns_id, :value =>a.id %>
<p>
<td><%= a.value %></td>
<td><%= f.text_field :column_value %></td>
</p></br>
<% end %>

<%= f.hidden_field :users_id, :value => current_user.id %>
<p class="button"><%= f.submit %></p>

<% end %>


controller


class DetailsController < ApplicationController
def new
@detail = Detail.new
@info = Column.where(:users_id => current_user.id).all
end

def create
@detail = Detail.new(user_params)
if @detail.save
redirect_to new_detail_path, :notice => "Added Sucessfully!"
else
render "new"
end
end

private

def user_params
params.require(:detail).permit(:users_id,:column_value,:columns_id)
end
end


Database structure

CREATE TABLE "users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
"email" varchar(255), "password_hash" varchar(255), "password_salt"
varchar(255), "created_at" datetime, "updated_at" datetime);

CREATE TABLE "columns" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
"value" varchar(255), "created_at" datetime, "updated_at" datetime,
users_id integer REFERENCES users (id));

CREATE TABLE "details" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
"users_id" integer, "column_value" varchar(255), "created_at" datetime,
"updated_at" datetime, columns_id integer REFERENCES columns (id));

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