A basic User model

README.md

@@ -112,6 +112,56 @@ Now navigate to http://[yourappname].herokuapp.com/surveys
 
 ###Section 3 - Add a user model
 
-17)
+17) Create a Users controller
+
+    $ rails generate controller Users new
+
+18) Generate a User model
+
+    $ rails generate model User name:string email:string
+
+19) Migrate the new model
+
+    $ bundle exec rake db:migrate
+
+20) Add some basic validations to the User model
+
+    class User < ActiveRecord::Base
+      attr_accessible :email, :name
+
+      before_save { |user| user.email = email.downcase }
+
+      validates :name,  presence: true, length: { maximum: 50 }
+      VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
+      validates :email, presence: true, format: { with: VALID_EMAIL_REGEX },
+                    uniqueness: { case_sensitive: false }
+    end
+
+21) Add an index to the user email
+
+    $ rails generate migration add_index_to_users_email
+
+22) Navigate to the db/migrate folder and open the file that was just created db/migrate/[timestamp]_add_index_to_users_email.rb and edit it like below
+
+    class AddIndexToUsersEmail < ActiveRecord::Migration
+      def change
+        add_index :users, :email, unique: true
+      end
+    end  
+
+23) Migrate the database
+
+    $ bundle exec rake db:migrate 
+
+24) Open the rails console and create a new user
+
+    $ rails console
+    >> User.create(name: "Your Name", email: "yourname@example.com")
+
+25) Commit the changes
+
+    $ git add .
+    $ git commit -m "A basic User model"
+
 
 

app/assets/javascripts/users.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/assets/stylesheets/users.css.scss

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

app/controllers/users_controller.rb

@@ -0,0 +1,4 @@
+class UsersController < ApplicationController
+  def new
+  end
+end

app/helpers/users_helper.rb

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

app/models/user.rb

@@ -0,0 +1,10 @@
+class User < ActiveRecord::Base
+  attr_accessible :email, :name
+
+  before_save { |user| user.email = email.downcase }
+
+  validates :name,  presence: true, length: { maximum: 50 }
+  VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
+  validates :email, presence: true, format: { with: VALID_EMAIL_REGEX },
+                    uniqueness: { case_sensitive: false }
+end

app/views/users/new.html.erb

@@ -0,0 +1,2 @@
+<h1>Users#new</h1>
+<p>Find me in app/views/users/new.html.erb</p>

config/routes.rb

@@ -1,4 +1,6 @@
 SurveyorExample::Application.routes.draw do
+  get "users/new"
+
   # The priority is based upon order of creation:
   # first created -> highest priority.
 

db/migrate/20120426232512_create_users.rb

@@ -0,0 +1,10 @@
+class CreateUsers < ActiveRecord::Migration
+  def change
+    create_table :users do |t|
+      t.string :name
+      t.string :email
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20120426233439_add_index_to_users_email.rb

@@ -0,0 +1,5 @@
+class AddIndexToUsersEmail < ActiveRecord::Migration
+  def change
+    add_index :users, :email, unique: true
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20120425000563) do
+ActiveRecord::Schema.define(:version => 20120426233439) do
 
   create_table "answers", :force => true do |t|
     t.integer  "question_id"
@@ -166,6 +166,15 @@
 
   add_index "surveys", ["access_code"], :name => "surveys_ac_idx", :unique => true
 
+  create_table "users", :force => true do |t|
+    t.string   "name"
+    t.string   "email"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  add_index "users", ["email"], :name => "index_users_on_email", :unique => true
+
   create_table "validation_conditions", :force => true do |t|
     t.integer  "validation_id"
     t.string   "rule_key"

spec/controllers/users_controller_spec.rb

@@ -0,0 +1,12 @@
+require 'spec_helper'
+
+describe UsersController do
+
+  describe "GET 'new'" do
+    it "returns http success" do
+      get 'new'
+      response.should be_success
+    end
+  end
+
+end

spec/helpers/users_helper_spec.rb

@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+# Specs in this file have access to a helper object that includes
+# the UsersHelper. For example:
+#
+# describe UsersHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       helper.concat_strings("this","that").should == "this that"
+#     end
+#   end
+# end
+describe UsersHelper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/models/user_spec.rb

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

spec/views/users/new.html.erb_spec.rb

@@ -0,0 +1,5 @@
+require 'spec_helper'
+
+describe "users/new.html.erb" do
+  pending "add some examples to (or delete) #{__FILE__}"
+end