gistfile1.txt

class Event < ActiveRecord::Base
  has_event_calendar
  belongs_to :user
end


class User < ActiveRecord::Base
  # Include default devise modules. Others available are:
  # :token_authenticatable, :encryptable, :confirmable, :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable

  # Setup accessible (or protected) attributes for your model
  attr_accessible :email, :password, :password_confirmation, :remember_me
  has_many :events
end


class CreateEvents < ActiveRecord::Migration
  def self.up
    create_table :events do |t|
      t.string :name
      t.datetime :start_at
      t.datetime :end_at

      t.timestamps
    end
  end

  def self.down
    drop_table :events
  end
end


class AddUserIdToEvents < ActiveRecord::Migration
  def change
    add_column :events, :user_id, :integer

  end
end

Processing by EventsController#create as HTML
Parameters: {"utf8"=>"✓", "authenticity_token"=>"Hn4+rVALJhmXbsZIiQwKNA7YRRkXKwbJwbmrxGAqBPc=", "event"=>{"name"=>"TEST EVENT", "start_at"=>"2012-01-30", "user_id"=>""}, "commit"=>"Create Event"}
User Load (0.5ms) SELECT "users".* FROM "users" WHERE "users"."id" = 1 LIMIT 1
(0.3ms) BEGIN
SQL (1.4ms) INSERT INTO "events" ("created_at", "end_at", "name", "start_at", "updated_at", "user_id") VALUES ($1, $2, $3, $4, $5, $6) RETURNING "id" ["created_at", Mon, 30 Jan 2012 19:11:41 UTC +00:00], ["end_at", nil], ["name", "TEST EVENT"], ["start_at", Mon, 30 Jan 2012 00:00:00 UTC +00:00], ["updated_at", Mon, 30 Jan 2012 19:11:41 UTC +00:00], ["user_id", nil] COMMIT
Redirected to http://0.0.0.0:3000/events/17
Completed 302 Found in 23ms (ActiveRecord: 12.1ms)

cat app/views/events/new.html.erb

New event

<%= render 'form' %>

<%= link_to 'Back', events_path %>
afresta@afresta:~/rails_projects/YC_dev$ cat app/views/events/_form.html.erb
<%= form_for(@event) do |f| %>
<% if @event.errors.any? %>

<%= pluralize(@event.errors.count, "error") %> prohibited this event from being saved:

   <ul>
  <% @event.errors.full_messages.each do |msg| %>
    <li><%= msg %></li>
  <% end %>
  </ul>
</div>

<% end %>

<%= f.label :name %>
<%= f.text_field :name %>

<%= f.label :start_at %>
<%= f.text_field :start_at %>

  <div><%= f.label :user_id %><br />
  <%= f.text_field :user_id %></div>

<%= f.submit %>

<% end %>