Add User Model

Gemfile

@@ -6,6 +6,7 @@ git_source(:github) do |repo_name|
 end
 
 
+gem 'pry'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.0.1'
 # Use postgresql as the database for Active Record
@@ -30,7 +31,7 @@ gem 'jbuilder', '~> 2.5'
 # Use Redis adapter to run Action Cable in production
 # gem 'redis', '~> 3.0'
 # Use ActiveModel has_secure_password
-# gem 'bcrypt', '~> 3.1.7'
+gem 'bcrypt', '~> 3.1.7'
 
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development

Gemfile.lock

@@ -39,8 +39,10 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (7.1.4)
+    bcrypt (3.1.11)
     builder (3.2.2)
     byebug (9.0.6)
+    coderay (1.1.1)
     coffee-rails (4.2.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.2.x)
@@ -81,6 +83,10 @@ GEM
     nokogiri (1.7.0.1)
       mini_portile2 (~> 2.1.0)
     pg (0.19.0)
+    pry (0.10.3)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
     puma (3.6.2)
     rack (2.0.1)
     rack-test (0.6.3)
@@ -119,6 +125,7 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
+    slop (3.6.0)
     spring (2.0.0)
       activesupport (>= 4.2)
     spring-watcher-listen (2.0.1)
@@ -154,12 +161,14 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  bcrypt (~> 3.1.7)
   byebug
   coffee-rails (~> 4.2)
   jbuilder (~> 2.5)
   jquery-rails
   listen (~> 3.0.5)
   pg (~> 0.18)
+  pry
   puma (~> 3.0)
   rails (~> 5.0.1)
   sass-rails (~> 5.0)

app/models/concerns/email_format.rb

@@ -0,0 +1,3 @@
+module EmailFormat
+  EMAIL = /\A[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\z/i
+end

app/models/concerns/password_format.rb

@@ -0,0 +1,6 @@
+module PasswordFormat
+  EIGHT_OR_MORE_CHARACTERS = /\A.{8,}\z/
+  CONTAINS_A_DIGIT = /\d/
+  STARTS_WITH_NON_WHITESPACE = /\A\S/
+  ENDS_WITH_NON_WHITESPACE = /\S\z/
+end

app/models/user.rb

@@ -0,0 +1,21 @@
+class User < ApplicationRecord
+  before_save { email.downcase! }
+  validates :username,
+    presence: true,
+    length: { maximum: 24 },
+    uniqueness: { case_sensitive: false }
+  validates :email,
+    presence: true,
+    length: { maximum: 255 },
+    format: { with: EmailFormat::EMAIL },
+    uniqueness: { case_sensitive: false }
+  has_secure_password
+  validates :password, format: { with: PasswordFormat::EIGHT_OR_MORE_CHARACTERS,
+                                 message: 'must have 8 or more characters' }
+  validates :password, format: { with: PasswordFormat::CONTAINS_A_DIGIT,
+                                 message: 'must have at least one digit' }
+  validates :password, format: { with: PasswordFormat::STARTS_WITH_NON_WHITESPACE,
+                                 message: 'can not start with whitespace' }
+  validates :password, format: { with: PasswordFormat::ENDS_WITH_NON_WHITESPACE,
+                                 message: 'can not end with whitespace' }
+end

db/migrate/20170108205331_create_users.rb

@@ -0,0 +1,14 @@
+class CreateUsers < ActiveRecord::Migration[5.0]
+  def change
+    create_table :users do |t|
+      t.string :username
+      t.string :email
+      t.string :first_name
+      t.string :last_name
+      t.string :website
+      t.text :description
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20170110022729_add_password_digest_to_users.rb

@@ -0,0 +1,5 @@
+class AddPasswordDigestToUsers < ActiveRecord::Migration[5.0]
+  def change
+    add_column :users, :password_digest, :string
+  end
+end

db/schema.rb

@@ -10,9 +10,21 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 0) do
+ActiveRecord::Schema.define(version: 20170110022729) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "users", force: :cascade do |t|
+    t.string   "username"
+    t.string   "email"
+    t.string   "first_name"
+    t.string   "last_name"
+    t.string   "website"
+    t.text     "description"
+    t.datetime "created_at",      null: false
+    t.datetime "updated_at",      null: false
+    t.string   "password_digest"
+  end
+
 end

test/fixtures/users.yml

@@ -0,0 +1,7 @@
+markoates:
+  username: markoates
+  email: marks@example.com
+  first_name: Mark
+  last_name: Oates
+  website: www.example.com
+  description: I like cats!

test/models/user_test.rb

@@ -0,0 +1,84 @@
+require 'test_helper'
+
+class UserTest < ActiveSupport::TestCase
+  test 'creates a new user in the database' do
+    User.destroy_all
+    new_user = User.create!(username: 'mr. test',
+                            email: 'test@email.com',
+                            password: 'pass1word',
+                            password_confirmation: 'pass1word'
+                           )
+    assert_equal User.count, 1
+  end
+
+  test 'username must be present' do
+    new_user = User.create
+    assert_includes new_user.errors[:username], "can't be blank"
+  end
+
+  test 'username can not be longer than 24 characters' do
+    too_long_username = 'a' * 25
+    new_user = User.create(username: too_long_username)
+    assert_includes new_user.errors[:email], 'is invalid'
+  end
+
+  test 'username must be unique' do
+    already_existing_username = users(:markoates).username
+    new_user = User.create(username: already_existing_username)
+    assert_includes new_user.errors[:username], 'has already been taken'
+  end
+
+  test 'email must be present' do
+    new_user = User.create
+    assert_includes new_user.errors[:email], "can't be blank"
+  end
+
+  test 'email must be less that 255 characters' do
+    too_long_email = 'a' * 256
+    new_user = User.create(email: too_long_email)
+    assert_includes new_user.errors[:email], 'is invalid'
+  end
+
+  test 'email must be valid' do
+    new_user = User.create(email: 'an_invalid%^&*email')
+    assert_includes new_user.errors[:email], 'is invalid'
+  end
+
+  test 'email must be unique' do
+    already_existing_email = users(:markoates).email
+    new_user = User.create(email: already_existing_email)
+    assert_includes new_user.errors[:email], 'has already been taken'
+  end
+
+  test 'email is saved in lowercase' do
+    jumblecase_email = 'JuMbLeCaSe@EmAiL.CoM'
+    new_user = User.create(username: 'Mrs. Jumble',
+                           email: jumblecase_email,
+                           password: 'pass1word',
+                           password_confirmation: 'pass1word'
+                          )
+    new_user.save
+    new_user.reload
+    assert_includes new_user.email, 'jumblecase@email.com'
+  end
+
+  test 'with a password less than 8 characters, is invalid' do
+    new_user = User.create(password: 'pw2shrt')
+    assert_includes new_user.errors[:password], 'must have 8 or more characters'
+  end
+
+  test 'with a password that does not contain at least one digit, is invalid' do
+    new_user = User.create(password: 'nodigitshere')
+    assert_includes new_user.errors[:password], 'must have at least one digit'
+  end
+
+  test 'with a password that starts with whitespace, is invalid' do
+    new_user = User.create(password: ' startwithspace')
+    assert_includes new_user.errors[:password], 'can not start with whitespace'
+  end
+
+  test 'with a password that ends with whitespace, is invalid' do
+    new_user = User.create(password: 'endswithspace ')
+    assert_includes new_user.errors[:password], 'can not end with whitespace'
+  end
+end