rails g scaffold Product...

app/assets/javascripts/products.js.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://jashkenas.github.com/coffee-script/

app/controllers/products_controller.rb

@@ -0,0 +1,83 @@
+class ProductsController < ApplicationController
+  # GET /products
+  # GET /products.json
+  def index
+    @products = Product.all
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.json { render json: @products }
+    end
+  end
+
+  # GET /products/1
+  # GET /products/1.json
+  def show
+    @product = Product.find(params[:id])
+
+    respond_to do |format|
+      format.html # show.html.erb
+      format.json { render json: @product }
+    end
+  end
+
+  # GET /products/new
+  # GET /products/new.json
+  def new
+    @product = Product.new
+
+    respond_to do |format|
+      format.html # new.html.erb
+      format.json { render json: @product }
+    end
+  end
+
+  # GET /products/1/edit
+  def edit
+    @product = Product.find(params[:id])
+  end
+
+  # POST /products
+  # POST /products.json
+  def create
+    @product = Product.new(params[:product])
+
+    respond_to do |format|
+      if @product.save
+        format.html { redirect_to @product, notice: 'Product was successfully created.' }
+        format.json { render json: @product, status: :created, location: @product }
+      else
+        format.html { render action: "new" }
+        format.json { render json: @product.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /products/1
+  # PUT /products/1.json
+  def update
+    @product = Product.find(params[:id])
+
+    respond_to do |format|
+      if @product.update_attributes(params[:product])
+        format.html { redirect_to @product, notice: 'Product was successfully updated.' }
+        format.json { head :no_content }
+      else
+        format.html { render action: "edit" }
+        format.json { render json: @product.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /products/1
+  # DELETE /products/1.json
+  def destroy
+    @product = Product.find(params[:id])
+    @product.destroy
+
+    respond_to do |format|
+      format.html { redirect_to products_url }
+      format.json { head :no_content }
+    end
+  end
+end

app/helpers/products_helper.rb

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

app/models/ability.rb

@@ -6,12 +6,14 @@ class Ability
 
     # everyone can do these things, even non-logged in
     can :read, :all
+
+    # except these, which don't make sense if you're not logged in
     cannot :read, Notification
-    cannot :create, Notification
     cannot :read, Authentication
 
     # nobody should be able to view this except admins
     cannot :read, Role
+    cannot :read, Product
 
     if member
 

app/models/product.rb

@@ -0,0 +1,3 @@
+class Product < ActiveRecord::Base
+  attr_accessible :description, :min_price, :name
+end

app/views/products/_form.html.haml

@@ -0,0 +1,19 @@
+= form_for @product do |f|
+  - if @product.errors.any?
+    #error_explanation
+      %h2= "#{pluralize(@product.errors.count, "error")} prohibited this product from being saved:"
+      %ul
+        - @product.errors.full_messages.each do |msg|
+          %li= msg
+
+  .field
+    = f.label :name
+    = f.text_field :name
+  .field
+    = f.label :description
+    = f.text_field :description
+  .field
+    = f.label :min_price
+    = f.text_field :min_price
+  .actions
+    = f.submit 'Save'

app/views/products/edit.html.haml

@@ -0,0 +1,7 @@
+%h1 Editing product
+
+= render 'form'
+
+= link_to 'Show', @product
+\|
+= link_to 'Back', products_path

app/views/products/index.html.haml

@@ -0,0 +1,23 @@
+%h1 Listing products
+
+%table
+  %tr
+    %th Name
+    %th Description
+    %th Min price
+    %th
+    %th
+    %th
+
+  - @products.each do |product|
+    %tr
+      %td= product.name
+      %td= product.description
+      %td= product.min_price
+      %td= link_to 'Show', product
+      %td= link_to 'Edit', edit_product_path(product)
+      %td= link_to 'Destroy', product, :method => :delete, :data => { :confirm => 'Are you sure?' }
+
+%br
+
+= link_to 'New Product', new_product_path

app/views/products/new.html.haml

@@ -0,0 +1,5 @@
+%h1 New product
+
+= render 'form'
+
+= link_to 'Back', products_path

app/views/products/show.html.haml

@@ -0,0 +1,15 @@
+%p#notice= notice
+
+%p
+  %b Name:
+  = @product.name
+%p
+  %b Description:
+  = @product.description
+%p
+  %b Min price:
+  = @product.min_price
+
+= link_to 'Edit', edit_product_path(@product)
+\|
+= link_to 'Back', products_path

db/migrate/20130507105357_create_products.rb

@@ -0,0 +1,11 @@
+class CreateProducts < ActiveRecord::Migration
+  def change
+    create_table :products do |t|
+      t.string :name, :null => false
+      t.string :description, :null => false
+      t.decimal :min_price, :null => false
+
+      t.timestamps
+    end
+  end
+end

spec/controllers/products_controller_spec.rb

@@ -0,0 +1,144 @@
+require 'spec_helper'
+
+describe ProductsController do
+
+  def valid_attributes
+    {
+      :name => "product name",
+      :description => 'some description',
+      :min_price => 9.99
+    }
+  end
+
+  def valid_session
+    {}
+  end
+
+  describe "GET index" do
+    it "assigns all products as @products" do
+      product = Product.create! valid_attributes
+      get :index, {}, valid_session
+      assigns(:products).should eq([product])
+    end
+  end
+
+  describe "GET show" do
+    it "assigns the requested product as @product" do
+      product = Product.create! valid_attributes
+      get :show, {:id => product.to_param}, valid_session
+      assigns(:product).should eq(product)
+    end
+  end
+
+  describe "GET new" do
+    it "assigns a new product as @product" do
+      get :new, {}, valid_session
+      assigns(:product).should be_a_new(Product)
+    end
+  end
+
+  describe "GET edit" do
+    it "assigns the requested product as @product" do
+      product = Product.create! valid_attributes
+      get :edit, {:id => product.to_param}, valid_session
+      assigns(:product).should eq(product)
+    end
+  end
+
+  describe "POST create" do
+    describe "with valid params" do
+      it "creates a new Product" do
+        expect {
+          post :create, {:product => valid_attributes}, valid_session
+        }.to change(Product, :count).by(1)
+      end
+
+      it "assigns a newly created product as @product" do
+        post :create, {:product => valid_attributes}, valid_session
+        assigns(:product).should be_a(Product)
+        assigns(:product).should be_persisted
+      end
+
+      it "redirects to the created product" do
+        post :create, {:product => valid_attributes}, valid_session
+        response.should redirect_to(Product.last)
+      end
+    end
+
+    describe "with invalid params" do
+      it "assigns a newly created but unsaved product as @product" do
+        # Trigger the behavior that occurs when invalid params are submitted
+        Product.any_instance.stub(:save).and_return(false)
+        post :create, {:product => { "name" => "invalid value" }}, valid_session
+        assigns(:product).should be_a_new(Product)
+      end
+
+      it "re-renders the 'new' template" do
+        # Trigger the behavior that occurs when invalid params are submitted
+        Product.any_instance.stub(:save).and_return(false)
+        post :create, {:product => { "name" => "invalid value" }}, valid_session
+        response.should render_template("new")
+      end
+    end
+  end
+
+  describe "PUT update" do
+    describe "with valid params" do
+      it "updates the requested product" do
+        product = Product.create! valid_attributes
+        # Assuming there are no other products in the database, this
+        # specifies that the Product created on the previous line
+        # receives the :update_attributes message with whatever params are
+        # submitted in the request.
+        Product.any_instance.should_receive(:update_attributes).with({ "name" => "MyString" })
+        put :update, {:id => product.to_param, :product => { "name" => "MyString" }}, valid_session
+      end
+
+      it "assigns the requested product as @product" do
+        product = Product.create! valid_attributes
+        put :update, {:id => product.to_param, :product => valid_attributes}, valid_session
+        assigns(:product).should eq(product)
+      end
+
+      it "redirects to the product" do
+        product = Product.create! valid_attributes
+        put :update, {:id => product.to_param, :product => valid_attributes}, valid_session
+        response.should redirect_to(product)
+      end
+    end
+
+    describe "with invalid params" do
+      it "assigns the product as @product" do
+        product = Product.create! valid_attributes
+        # Trigger the behavior that occurs when invalid params are submitted
+        Product.any_instance.stub(:save).and_return(false)
+        put :update, {:id => product.to_param, :product => { "name" => "invalid value" }}, valid_session
+        assigns(:product).should eq(product)
+      end
+
+      it "re-renders the 'edit' template" do
+        product = Product.create! valid_attributes
+        # Trigger the behavior that occurs when invalid params are submitted
+        Product.any_instance.stub(:save).and_return(false)
+        put :update, {:id => product.to_param, :product => { "name" => "invalid value" }}, valid_session
+        response.should render_template("edit")
+      end
+    end
+  end
+
+  describe "DELETE destroy" do
+    it "destroys the requested product" do
+      product = Product.create! valid_attributes
+      expect {
+        delete :destroy, {:id => product.to_param}, valid_session
+      }.to change(Product, :count).by(-1)
+    end
+
+    it "redirects to the products list" do
+      product = Product.create! valid_attributes
+      delete :destroy, {:id => product.to_param}, valid_session
+      response.should redirect_to(products_url)
+    end
+  end
+
+end

spec/factories/products.rb

@@ -0,0 +1,9 @@
+# Read about factories at https://github.com/thoughtbot/factory_girl
+
+FactoryGirl.define do
+  factory :product do
+    name "annual subscription"
+    description "paid membership, renewing yearly"
+    min_price "9.99"
+  end
+end

spec/models/product_spec.rb

@@ -0,0 +1,5 @@
+require 'spec_helper'
+
+describe Product do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/requests/products_spec.rb

@@ -0,0 +1,11 @@
+require 'spec_helper'
+
+describe "Products" do
+  describe "GET /products" do
+    it "works! (now write some real specs)" do
+      # Run the generator again with the --webrat flag if you want to use webrat methods/matchers
+      get products_path
+      response.status.should be(200)
+    end
+  end
+end

spec/routing/products_routing_spec.rb

@@ -0,0 +1,35 @@
+require "spec_helper"
+
+describe ProductsController do
+  describe "routing" do
+
+    it "routes to #index" do
+      get("/products").should route_to("products#index")
+    end
+
+    it "routes to #new" do
+      get("/products/new").should route_to("products#new")
+    end
+
+    it "routes to #show" do
+      get("/products/1").should route_to("products#show", :id => "1")
+    end
+
+    it "routes to #edit" do
+      get("/products/1/edit").should route_to("products#edit", :id => "1")
+    end
+
+    it "routes to #create" do
+      post("/products").should route_to("products#create")
+    end
+
+    it "routes to #update" do
+      put("/products/1").should route_to("products#update", :id => "1")
+    end
+
+    it "routes to #destroy" do
+      delete("/products/1").should route_to("products#destroy", :id => "1")
+    end
+
+  end
+end

spec/views/products/edit.html.haml_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe "products/edit" do
+  before(:each) do
+    @product = assign(:product, stub_model(Product,
+      :name => "MyString",
+      :description => "MyString",
+      :min_price => "9.99"
+    ))
+  end
+
+  it "renders the edit product form" do
+    render
+
+    # Run the generator again with the --webrat flag if you want to use webrat matchers
+    assert_select "form", :action => products_path(@product), :method => "post" do
+      assert_select "input#product_name", :name => "product[name]"
+      assert_select "input#product_description", :name => "product[description]"
+      assert_select "input#product_min_price", :name => "product[min_price]"
+    end
+  end
+end

spec/views/products/index.html.haml_spec.rb

@@ -0,0 +1,26 @@
+require 'spec_helper'
+
+describe "products/index" do
+  before(:each) do
+    assign(:products, [
+      stub_model(Product,
+        :name => "Name",
+        :description => "Description",
+        :min_price => "9.99"
+      ),
+      stub_model(Product,
+        :name => "Name",
+        :description => "Description",
+        :min_price => "9.99"
+      )
+    ])
+  end
+
+  it "renders a list of products" do
+    render
+    # Run the generator again with the --webrat flag if you want to use webrat matchers
+    assert_select "tr>td", :text => "Name".to_s, :count => 2
+    assert_select "tr>td", :text => "Description".to_s, :count => 2
+    assert_select "tr>td", :text => "9.99".to_s, :count => 2
+  end
+end

spec/views/products/new.html.haml_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe "products/new" do
+  before(:each) do
+    assign(:product, stub_model(Product,
+      :name => "MyString",
+      :description => "MyString",
+      :min_price => "9.99"
+    ).as_new_record)
+  end
+
+  it "renders new product form" do
+    render
+
+    # Run the generator again with the --webrat flag if you want to use webrat matchers
+    assert_select "form", :action => products_path, :method => "post" do
+      assert_select "input#product_name", :name => "product[name]"
+      assert_select "input#product_description", :name => "product[description]"
+      assert_select "input#product_min_price", :name => "product[min_price]"
+    end
+  end
+end

spec/views/products/show.html.haml_spec.rb

@@ -0,0 +1,19 @@
+require 'spec_helper'
+
+describe "products/show" do
+  before(:each) do
+    @product = assign(:product, stub_model(Product,
+      :name => "Name",
+      :description => "Description",
+      :min_price => "9.99"
+    ))
+  end
+
+  it "renders attributes in <p>" do
+    render
+    # Run the generator again with the --webrat flag if you want to use webrat matchers
+    rendered.should match(/Name/)
+    rendered.should match(/Description/)
+    rendered.should match(/9.99/)
+  end
+end