The Depot Application

8.2 Iteration C1: Creating a Cart 7.4 Iteration B4: Linking to the Cart

rake db:sessions:create

(in /home/rubys/git/awdwr/work/depot)

      invoke  active_record

      create    db/migrate/20100906011143_add_sessions_table.rb

rake db:migrate

mv 20100906011143_add_sessions_table.rb 20100301000004_add_sessions_table.rb

(in /home/rubys/git/awdwr/work/depot)

==  AddSessionsTable: migrating ===============================================

-- create_table(:sessions)

   -> 0.0017s

-- add_index(:sessions, :session_id)

   -> 0.0008s

-- add_index(:sessions, :updated_at)

   -> 0.0009s

==  AddSessionsTable: migrated (0.0036s) ======================================

sqlite3 db/development.sqlite3 .schema

CREATE TABLE "products" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "title" varchar(255), "description" text, "image_url" varchar(255), "created_at" datetime, "updated_at" datetime, "price" decimal(8,2) DEFAULT 0);

CREATE TABLE "schema_migrations" ("version" varchar(255) NOT NULL);

CREATE TABLE "sessions" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "session_id" varchar(255) NOT NULL, "data" text, "created_at" datetime, "updated_at" datetime);

CREATE INDEX "index_sessions_on_session_id" ON "sessions" ("session_id");

CREATE INDEX "index_sessions_on_updated_at" ON "sessions" ("updated_at");

CREATE UNIQUE INDEX "unique_schema_migrations" ON "schema_migrations" ("version");

edit config/initializers/session_store.rb

# Be sure to restart your server when you modify this file.

Depot::Application.config.session_store :cookie_store, :key => '_depot_session'

# Use the database for sessions instead of the cookie-based default,

# which shouldn't be used to store highly confidential information

# (create the session table with "rails generate session_migration")

Depot::Application.config.session_store :active_record_store

Restart the server.

edit app/controllers/application_controller.rb

class ApplicationController < ActionController::Base

  protect_from_forgery

end

edit app/controllers/store_controller.rb

private

  def find_cart

    session[:cart] ||= Cart.new

  end

8.2 Iteration C1: Creating a Cart 7.4 Iteration B4: Linking to the Cart