Rails 4 app with has_many through

[Nikolay Lipovtsev]

I need to make an application in which there are two models: User and Company. In this case, users may be employees of the company, and then the user must be associated with Company model, and if the user is not an employee of the company, the connection with the Company model should not be.

I'm trying to make it through the association has_many through:

Models: 

# == Schema Information
#
# Table name: companies
#
# id :integer not null, primary key
# name :string
# created_at :datetime not null
# updated_at :datetime not null
#


class Company < ActiveRecord::Base


  has_many :company_users
  has_many :users, through: :company_users
end


# == Schema Information
#
# Table name: users
#
#  id              :integer          not null, primary key
#  first_name      :string
#  last_name       :string
#  email           :string
#  created_at      :datetime         not null
#  updated_at      :datetime         not null
#


class User < ActiveRecord::Base


  has_many :company_users
  has_many :companies, through: :company_users
end


# == Schema Information
#
# Table name: company_users
#
#  id         :integer          not null, primary key
#  company_id :integer
#  user_id    :integer
#  created_at :datetime         not null
#  updated_at :datetime         not null
#


class CompanyUser < ActiveRecord::Base


  belongs_to :company
  belongs_to :user
end

Companies controller

class CompaniesController < ApplicationController


  def signup
    @company = Company.new
    @user = @company.users.build
  end


  def create
    @company = Company.new(company_params)
    @company.save
  end


  private


  def company_params
    params.require(:company).permit(:name, users_attributes: [:first_name, :last_name, :email])
  end
end

signup.html.erb

<%= form_for(@company) do |f| %>
  <%= f.text_field :name %>        
  <%= f.fields_for(@user) do |user_f| %>
    <%= user_f.text_field :first_name %>
    <%= user_f.text_field :last_name %>
  <% end %>
  <%= f.submit %>
<% end %>

But it does not work. Saved only instance of the model of the Company. How to association must be made in the models, and as should be done in the controller action Companies in creating a company with an employee?

[Antônio Augusto Sousa Britto]

Try to set autosave: true on your association

Att,

Antonio Augusto about.me/aaugusto

   

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[dasibre]

I would test this out in the rails console first, to ensure the model relationships are correct. Also you might want to use :accepts_nested_attributes_for :users for your Company model