Epic 4

.gitignore

@@ -20,3 +20,4 @@
 # Ignore Byebug command history file.
 .byebug_history
 config/database.yml
+public/uploads

Gemfile

@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.0.0'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+
 # Use Puma as the app server
 gem 'puma', '~> 3.0'
 # Use SCSS for stylesheets
@@ -29,20 +29,31 @@ gem 'jbuilder', '~> 2.5'
 
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
-
+gem 'bootstrap-sass'
+gem 'simple_form'
+gem 'devise'
+gem 'carrierwave'
+gem 'mini_magick'
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platform: :mri
+  gem 'sqlite3'
+  #for heroku
 end
 
 group :development do
   # Access an IRB console on exception pages or by using <%= console %> anywhere in the code.
   gem 'web-console'
   gem 'listen', '~> 3.0.5'
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
-  gem 'spring'
-  gem 'spring-watcher-listen', '~> 2.0.0'
+#  gem 'spring'
+#  gem 'spring-watcher-listen', '~> 2.0.0'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+group :production do
+  gem 'pg'
+end
+# for heroku

Gemfile.lock

@@ -39,8 +39,18 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (7.1.1)
+    autoprefixer-rails (6.6.1)
+      execjs
+    bcrypt (3.1.11)
+    bootstrap-sass (3.3.7)
+      autoprefixer-rails (>= 5.2.1)
+      sass (>= 3.3.4)
     builder (3.2.2)
     byebug (9.0.5)
+    carrierwave (1.0.0)
+      activemodel (>= 4.0.0)
+      activesupport (>= 4.0.0)
+      mime-types (>= 1.16)
     coffee-rails (4.2.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.2.x)
@@ -50,6 +60,12 @@ GEM
     coffee-script-source (1.10.0)
     concurrent-ruby (1.0.2)
     debug_inspector (0.0.2)
+    devise (4.2.0)
+      bcrypt (~> 3.0)
+      orm_adapter (~> 0.1)
+      railties (>= 4.1.0, < 5.1)
+      responders
+      warden (~> 1.2.3)
     erubis (2.7.0)
     execjs (2.7.0)
     ffi (1.9.14)
@@ -74,13 +90,16 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
+    mini_magick (4.6.0)
     mini_portile2 (2.1.0)
     minitest (5.9.0)
     multi_json (1.12.1)
     nio4r (1.2.1)
     nokogiri (1.6.8)
       mini_portile2 (~> 2.1.0)
       pkg-config (~> 1.1.7)
+    orm_adapter (0.5.0)
+    pg (0.19.0)
     pkg-config (1.1.7)
     puma (3.6.0)
     rack (2.0.1)
@@ -113,17 +132,18 @@ GEM
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
+    responders (2.3.0)
+      railties (>= 4.2.0, < 5.1)
     sass (3.4.22)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    spring (1.7.2)
-    spring-watcher-listen (2.0.0)
-      listen (>= 2.7, < 4.0)
-      spring (~> 1.2)
+    simple_form (3.3.1)
+      actionpack (> 4, < 5.1)
+      activemodel (> 4, < 5.1)
     sprockets (3.7.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -142,6 +162,8 @@ GEM
       thread_safe (~> 0.1)
     uglifier (3.0.1)
       execjs (>= 0.3.0, < 3)
+    warden (1.2.6)
+      rack (>= 1.0)
     web-console (3.3.1)
       actionview (>= 5.0)
       activemodel (>= 5.0)
@@ -155,21 +177,25 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  bootstrap-sass
   byebug
+  carrierwave
   coffee-rails (~> 4.2)
+  devise
   jbuilder (~> 2.5)
   jquery-rails
   listen (~> 3.0.5)
+  mini_magick
+  pg
   puma (~> 3.0)
   rails (~> 5.0.0)
   sass-rails (~> 5.0)
-  spring
-  spring-watcher-listen (~> 2.0.0)
+  simple_form
   sqlite3
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)
   web-console
 
 BUNDLED WITH
-   1.12.5
+   1.13.6

app/assets/javascripts/account/orders.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/admin/products.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/application.js

@@ -14,3 +14,5 @@
 //= require jquery_ujs
 //= require turbolinks
 //= require_tree .
+//= require bootstrap/alert
+//= require bootstrap/dropdown

app/assets/javascripts/cart_items.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/carts.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/orders.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/products.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/javascripts/welcome.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/account/orders.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the account/orders controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/assets/stylesheets/admin/products.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the admin/products controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/assets/stylesheets/application.css → app/assets/stylesheets/application.scss

@@ -13,3 +13,5 @@
  *= require_tree .
  *= require_self
  */
+@import "bootstrap-sprockets";
+@import "bootstrap";

app/assets/stylesheets/cart_items.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the cart_items controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/assets/stylesheets/carts.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the carts controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/assets/stylesheets/orders.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the orders controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/assets/stylesheets/products.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the products controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/assets/stylesheets/welcome.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the welcome controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/account/orders_controller.rb

@@ -0,0 +1,6 @@
+class Account::OrdersController < ApplicationController
+  before_action :authenticate_user!
+  def index
+    @orders = current_user.orders.order("id DESC")
+  end
+end

app/controllers/admin/products_controller.rb

@@ -0,0 +1,58 @@
+class Admin::ProductsController < ApplicationController
+  before_action :authenticate_user! , only: [:new, :create, :edit, :update, :destroy]
+  # before_action must login!
+   before_filter :require_is_admin
+  # only admin can into back platform!
+  def index
+    @products = Product.all
+  end
+
+  def show
+    @product = Product.find(params[:id])
+  end
+
+  def new
+    @product = Product.new
+  end
+
+  def create
+    @product = Product.new(product_params)
+
+    if @product.save
+      redirect_to admin_products_path
+    else
+      render :new
+    end
+  end
+
+  def edit
+    @product = Product.find(params[:id])
+  end
+
+  def update
+    @product = Product.find(params[:id])
+
+    if @product.update(product_params)
+      redirect_to admin_products_path, notice: "产品更新成功！"
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    @product = Product.find(params[:id])
+
+    @product.destroy
+    redirect_to admin_products_path, alert: '产品删除成功！'
+  end
+
+
+
+
+  private
+
+  def product_params
+    params.require(:product).permit(:title, :description, :quantity, :price, :image)
+
+  end
+end

app/controllers/application_controller.rb

@@ -1,3 +1,29 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception
+
+  def require_is_admin
+      if !current_user.admin?
+        flash[:alert] = 'You are not admin!'
+        redirect_to root_path
+      end
+  end
+
+  helper_method :current_cart
+#  current_cart其实原本是一个 controller 内的 method，我们为了要在 view 里面要可以存取它。
+#  所以，我们得在 applications_controller.rb 宣告他是 helper_method，才能直接存取。
+  def current_cart
+      @current_cart ||= find_cart
+  end
+
+  private
+
+  def find_cart
+      cart = Cart.find_by(id: session[:cart_id])
+      if cart.blank?
+        cart = Cart.create
+      end
+      session[:cart_id] = cart.id
+      return cart
+    end
+
 end

app/controllers/cart_items_controller.rb

@@ -0,0 +1,34 @@
+class CartItemsController < ApplicationController
+  before_action :authenticate_user!
+
+  def destroy
+    @cart = current_cart
+    @cart_item = @cart.cart_items.find_by(product_id: params[:id])
+    @product = @cart_item.product
+    @cart_item.destroy
+
+    flash[:warning] = "成功将 #{@product.title} 从购物车删除!"
+    redirect_to :back
+  end
+
+  def update
+    @cart = current_cart
+    @cart_item = @cart.cart_items.find_by(product_id: params[:id])
+
+    if @cart_item.product.quantity >= cart_item_params[:quantity].to_i
+       @cart_item.update(cart_item_params)
+       flash[:notice] = "成功变更数量"
+   else
+       flash[:warning] = "数量不足以加入购物车"
+   end
+
+
+    redirect_to carts_path
+  end
+
+  private
+
+  def cart_item_params
+    params.require(:cart_item).permit(:quantity)
+  end
+end

app/controllers/carts_controller.rb

@@ -0,0 +1,12 @@
+class CartsController < ApplicationController
+  before_action :authenticate_user!
+  def clean
+   current_cart.clean!
+   flash[:warning] = "已清空购物车"
+   redirect_to carts_path
+  end
+
+  def checkout
+    @order = Order.new
+  end
+end