cart creation backend logic is at place / adding items in progress

back-office/app/controllers/carts_controller.rb

@@ -0,0 +1,4 @@
+class CartsController < ApplicationController
+  active_scaffold :"cart" do |conf|
+  end
+end

back-office/app/controllers/item_in_carts_controller.rb

@@ -0,0 +1,4 @@
+class ItemInCartsController < ApplicationController
+  active_scaffold :"item_in_cart" do |conf|
+  end
+end

back-office/app/helpers/carts_helper.rb

@@ -0,0 +1,2 @@
+module CartsHelper
+end

back-office/app/helpers/item_in_carts_helper.rb

@@ -0,0 +1,2 @@
+module ItemInCartsHelper
+end

back-office/app/models/cart.rb

@@ -0,0 +1,2 @@
+class Cart < ActiveRecord::Base
+end

back-office/app/models/item_in_cart.rb

@@ -0,0 +1,2 @@
+class ItemInCart < ActiveRecord::Base
+end

back-office/config/routes.rb

@@ -1,5 +1,7 @@
 Rails.application.routes.draw do
 
+  resources :item_in_carts do as_routes end
+  resources :carts do as_routes end
   resources :multi_media_descriptions do as_routes end
   resources :sections do as_routes end
   resources :media_types do as_routes end

back-office/test/controllers/carts_controller_test.rb

@@ -0,0 +1,49 @@
+require 'test_helper'
+
+class CartsControllerTest < ActionController::TestCase
+  setup do
+    @cart = carts(:one)
+  end
+
+  test "should get index" do
+    get :index
+    assert_response :success
+    assert_not_nil assigns(:carts)
+  end
+
+  test "should get new" do
+    get :new
+    assert_response :success
+  end
+
+  test "should create cart" do
+    assert_difference('Cart.count') do
+      post :create, cart: { ordered: @cart.ordered, user_id: @cart.user_id }
+    end
+
+    assert_redirected_to cart_path(assigns(:cart))
+  end
+
+  test "should show cart" do
+    get :show, id: @cart
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get :edit, id: @cart
+    assert_response :success
+  end
+
+  test "should update cart" do
+    patch :update, id: @cart, cart: { ordered: @cart.ordered, user_id: @cart.user_id }
+    assert_redirected_to cart_path(assigns(:cart))
+  end
+
+  test "should destroy cart" do
+    assert_difference('Cart.count', -1) do
+      delete :destroy, id: @cart
+    end
+
+    assert_redirected_to carts_path
+  end
+end

back-office/test/controllers/item_in_carts_controller_test.rb

@@ -0,0 +1,49 @@
+require 'test_helper'
+
+class ItemInCartsControllerTest < ActionController::TestCase
+  setup do
+    @item_in_cart = item_in_carts(:one)
+  end
+
+  test "should get index" do
+    get :index
+    assert_response :success
+    assert_not_nil assigns(:item_in_carts)
+  end
+
+  test "should get new" do
+    get :new
+    assert_response :success
+  end
+
+  test "should create item_in_cart" do
+    assert_difference('ItemInCart.count') do
+      post :create, item_in_cart: { cart_id: @item_in_cart.cart_id, item_id: @item_in_cart.item_id }
+    end
+
+    assert_redirected_to item_in_cart_path(assigns(:item_in_cart))
+  end
+
+  test "should show item_in_cart" do
+    get :show, id: @item_in_cart
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get :edit, id: @item_in_cart
+    assert_response :success
+  end
+
+  test "should update item_in_cart" do
+    patch :update, id: @item_in_cart, item_in_cart: { cart_id: @item_in_cart.cart_id, item_id: @item_in_cart.item_id }
+    assert_redirected_to item_in_cart_path(assigns(:item_in_cart))
+  end
+
+  test "should destroy item_in_cart" do
+    assert_difference('ItemInCart.count', -1) do
+      delete :destroy, id: @item_in_cart
+    end
+
+    assert_redirected_to item_in_carts_path
+  end
+end

back-office/test/fixtures/carts.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  user_id: 1
+  ordered: 
+
+two:
+  user_id: 1
+  ordered: 

back-office/test/fixtures/item_in_carts.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  cart_id: 1
+  item_id: 1
+
+two:
+  cart_id: 1
+  item_id: 1

back-office/test/models/cart_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class CartTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

back-office/test/models/item_in_cart_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class ItemInCartTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

front-api/Gemfile

@@ -19,3 +19,4 @@ gem "sinatra"
 gem "sinatra-activerecord"
 gem "json"
 gem 'puma'
+gem "sinatra-contrib"

front-api/Gemfile.lock

@@ -20,6 +20,7 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     arel (6.0.0)
+    backports (3.6.4)
     builder (3.2.2)
     i18n (0.7.0)
     jdbc-postgres (9.3.1102)
@@ -27,6 +28,7 @@ GEM
     json (1.8.1)
     json (1.8.1-java)
     minitest (5.5.0)
+    multi_json (1.10.1)
     pg (0.17.1)
     puma (2.10.2)
       rack (>= 1.1, < 2.0)
@@ -35,6 +37,8 @@ GEM
     rack (1.6.0)
     rack-protection (1.5.3)
       rack
+    rack-test (0.6.3)
+      rack (>= 1.0)
     sinatra (1.4.5)
       rack (~> 1.4)
       rack-protection (~> 1.4)
@@ -42,6 +46,13 @@ GEM
     sinatra-activerecord (2.0.3)
       activerecord (>= 3.2)
       sinatra (~> 1.0)
+    sinatra-contrib (1.4.2)
+      backports (>= 2.0)
+      multi_json
+      rack-protection
+      rack-test
+      sinatra (~> 1.4.0)
+      tilt (~> 1.3)
     thread_safe (0.3.4)
     thread_safe (0.3.4-java)
     tilt (1.4.1)
@@ -61,3 +72,4 @@ DEPENDENCIES
   puma
   sinatra
   sinatra-activerecord
+  sinatra-contrib

front-api/app.rb

@@ -2,6 +2,7 @@ require 'sinatra'
 require 'sinatra/activerecord'
 require './config'
 require 'json'
+require 'sinatra/contrib'
 
 Dir[File.dirname(__FILE__) + '/models/*.rb'].each {|file| require file }
 
@@ -16,6 +17,17 @@ before do
           'Access-Control-Allow-Methods' => ['OPTIONS', 'GET', 'POST']  
 end
 
+helpers do
+  def json_params
+    request.body.read
+    JSON.parse request.body.read
+  end
+end
+
+register Sinatra::Contrib
+helpers Sinatra::Cookies
+
+
 
 Dir[File.dirname(__FILE__) + '/controllers/*.rb'].each {|file| require file }
 

front-api/controllers/cart.rb

@@ -0,0 +1,30 @@
+
+
+helpers do
+  def anonymous_id
+    auid = cookies[:anonymous_user_id]
+    if auid.nil?
+      auid = AnonymousUser.uid
+      response.set_cookie('anonymous_user_id', :path=> '/', :httponly => true, :value=>auid, :expires=>Time.now+100.year)
+    end
+    auid
+  end
+end
+
+get '/cart' do
+  # -1 is a placeholder for user id when we implement users
+  # auid will still be used in case user is not logged in
+  Cart.find_or_create(anonymous_id, -1).to_json
+end
+
+get '/cart/item' do
+  Cart.find_or_create(anonymous_id, -1).item_in_carts.to_json
+end
+
+post '/cart/item/add' do
+  #cart_id = Cart.find_or_create(anonymous_id, -1).id
+  #item_id = params[:id].to_i
+  #ItemInCart.add(cart_id, item_id)
+  #json_params.to_json
+  "not ready yet".to_json
+end

front-api/db/migrate/20150206034839_create_carts.rb

@@ -0,0 +1,10 @@
+class CreateCarts < ActiveRecord::Migration
+  def change
+    create_table :carts do |t|
+      t.integer :user_id
+      t.boolean :ordered, default: false
+
+      t.timestamps null: false
+    end
+  end
+end

front-api/db/migrate/20150206035042_create_item_in_carts.rb

@@ -0,0 +1,10 @@
+class CreateItemInCarts < ActiveRecord::Migration
+  def change
+    create_table :item_in_carts do |t|
+      t.integer :cart_id
+      t.integer :item_id
+
+      t.timestamps null: false
+    end
+  end
+end

front-api/db/migrate/20150206040524_add_count_to_item_in_cart.rb

@@ -0,0 +1,5 @@
+class AddCountToItemInCart < ActiveRecord::Migration
+  def change
+    add_column :item_in_carts, :count, :integer
+  end
+end

front-api/db/migrate/20150206041455_add_anonymous_user_id_to_cart.rb

@@ -0,0 +1,5 @@
+class AddAnonymousUserIdToCart < ActiveRecord::Migration
+  def change
+    add_column :carts, :anonymous_id_string, :string
+  end
+end

front-api/db/schema.rb

@@ -11,17 +11,33 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150131134330) do
+ActiveRecord::Schema.define(version: 20150206041455) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "carts", force: :cascade do |t|
+    t.integer  "user_id"
+    t.boolean  "ordered",             default: false
+    t.datetime "created_at",                          null: false
+    t.datetime "updated_at",                          null: false
+    t.string   "anonymous_id_string"
+  end
+
   create_table "categories", force: :cascade do |t|
     t.string  "name"
     t.integer "section_id"
     t.string  "image_url"
   end
 
+  create_table "item_in_carts", force: :cascade do |t|
+    t.integer  "cart_id"
+    t.integer  "item_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.integer  "count"
+  end
+
   create_table "items", force: :cascade do |t|
     t.string   "name"
     t.string   "code",                limit: 10
@@ -56,8 +72,10 @@ ActiveRecord::Schema.define(version: 20150131134330) do
   end
 
   create_table "sub_categories", force: :cascade do |t|
-    t.string  "name"
-    t.integer "category_id"
+    t.string   "name"
+    t.integer  "category_id"
+    t.datetime "created_at",  null: false
+    t.datetime "updated_at",  null: false
   end
 
   create_table "units", force: :cascade do |t|

front-api/models/anonymous_user.rb

@@ -0,0 +1,7 @@
+require 'securerandom'
+
+class AnonymousUser
+  def self.uid
+    SecureRandom.uuid.gsub!('-','')
+  end
+end

front-api/models/cart.rb

@@ -0,0 +1,10 @@
+class Cart < ActiveRecord::Base
+  has_many :item_in_carts
+
+  def self.find_or_create(anonymous_id, user_id)
+    cart = Cart.where(user_id: user_id).where(ordered: false).first
+    cart ||= Cart.where(anonymous_id_string: anonymous_id).where(ordered: false).first
+    safe_user_id = (user_id > 0) ? user_id : nil
+    cart ||= Cart.create!(anonymous_id_string: anonymous_id, user_id: safe_user_id, ordered: false )
+  end
+end

front-api/models/item_in_cart.rb

@@ -0,0 +1,4 @@
+class ItemInCart < ActiveRecord::Base
+  belongs_to :cart 
+  belongs_to :item 
+end