Implement Users#create

examples/auction/app/controllers/users_controller.rb

@@ -1,2 +1,14 @@
 class UsersController < ApplicationController
+  def create
+    @user = User.new(params[:user])
+    @user.password = params[:password]
+    @user.password_confirmation = params[:password_confirmation]
+
+    @user.save!
+    session[:user_id] = @user.id
+
+    redirect_to root_path
+  rescue ActiveRecord::RecordInvalid
+    render 'authentication/sign_up'
+  end
 end

examples/auction/app/models/user.rb

@@ -1,5 +1,11 @@
 class User < ActiveRecord::Base
-  attr_accessible :assets, :name
+  attr_accessible :assets, :name, :email
+
+  validates_presence_of :name
+  validates_presence_of :email
+  validates_uniqueness_of :email
+  validates_presence_of :password_confirmation, if: :password_changed?
+  validates_confirmation_of :password
 
   def password
     @password ||= BCrypt::Password.new(read_attribute(:password))

examples/auction/app/views/authentication/sign_up.html.slim

@@ -5,17 +5,28 @@
 h1 Sign In
 
 = form_for @user, html: { class: 'form-horizontal' } do |f|
-  .control-group
+  - if @user.errors.present?
+    .alert.alert-error
+      h4.alert-heading
+        #{pluralize(@user.errors.count, "error")} prohibited this user from being saved:
+      ul
+        - @user.errors.full_messages.each do |message|
+          li= message
+  .control-group class="#{@user.errors[:name].empty? ? '' : 'error'}"
     label.control-label for='user_name' Name
     .controls
       = f.text_field :name, class: 'input-block-level'
-  .control-group
+  .control-group class="#{@user.errors[:email].empty? ? '' : 'error'}"
     label.control-label for='user_email' E-Mail
     .controls
       = f.text_field :email, class: 'input-block-level'
-  .control-group
+  .control-group class="#{@user.errors[:password].empty? ? '' : 'error'}"
     label.control-label for='user_password' Password
     .controls
       = password_field_tag :password, '', class: 'input-block-level'
+  .control-group class="#{@user.errors[:password_confirmation].empty? ? '' : 'error'}"
+    label.control-label for='user_password' Password(Confirm)
+    .controls
+      = password_field_tag :password_confirmation, '', class: 'input-block-level'
   .form-actions
     = submit_tag 'Sign In', class: 'btn btn-primary'

examples/auction/spec/controllers/users_controller_spec.rb

@@ -1,5 +1,30 @@
 require 'spec_helper'
 
 describe UsersController do
+  describe 'POST create' do
+    subject { post :create, params }
 
+    context 'when valid params' do
+      let(:password) { Forgery(:basic).password }
+      let(:params) do
+        {
+          user: {
+            name: Forgery(:name).full_name,
+            email: Forgery(:internet).email_address
+          },
+          password: password,
+          password_confirmation: password
+        }
+      end
+
+      it { should redirect_to(root_path) }
+      it { expect { subject }.to change { User.count }.from(0).to(1) }
+    end
+
+    context 'when invalid params' do
+      let(:params) { {} }
+
+      it { should render_template('authentication/sign_up') }
+    end
+  end
 end

examples/auction/spec/factories/users.rb

@@ -6,5 +6,6 @@
     email { Forgery::Internet.email_address }
     assets 0
     password { Forgery::Basic.password }
+    password_confirmation {|u| u.password }
   end
 end