Add User signup

Gemfile

@@ -36,6 +36,8 @@ gem 'bcrypt', '~> 3.1.7'
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
 
+gem 'rails-controller-testing'
+
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platform: :mri

Gemfile.lock

@@ -103,6 +103,10 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 5.0.1)
       sprockets-rails (>= 2.0.0)
+    rails-controller-testing (1.0.1)
+      actionpack (~> 5.x)
+      actionview (~> 5.x)
+      activesupport (~> 5.x)
     rails-dom-testing (2.0.2)
       activesupport (>= 4.2.0, < 6.0)
       nokogiri (~> 1.6)
@@ -171,6 +175,7 @@ DEPENDENCIES
   pry
   puma (~> 3.0)
   rails (~> 5.0.1)
+  rails-controller-testing
   sass-rails (~> 5.0)
   spring
   spring-watcher-listen (~> 2.0.0)

app/controllers/application_controller.rb

@@ -1,3 +1,7 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception
+
+  def record_not_found
+    raise ActiveRecord::RecordNotFound.new('Not Found')
+  end
 end

app/controllers/users_controller.rb

@@ -0,0 +1,24 @@
+class UsersController < ApplicationController
+  def show
+    @user = User.find_by(slug: params[:slug]) or record_not_found
+  end
+
+  def new
+    @user = User.new
+  end
+
+  def create
+    @user = User.new(user_params)
+    if @user.save
+      redirect_to user_path(slug: @user.slug)
+    else
+      render :new
+    end
+  end
+
+  private
+
+    def user_params
+      params.require(:user).permit(:username, :email, :password, :password_confirmation)
+    end
+end

app/models/concerns/password_format.rb → app/models/concerns/string_format.rb

@@ -1,6 +1,7 @@
-module PasswordFormat
-  EIGHT_OR_MORE_CHARACTERS = /\A.{8,}\z/
-  CONTAINS_A_DIGIT = /\d/
+module StringFormat
   STARTS_WITH_NON_WHITESPACE = /\A\S/
   ENDS_WITH_NON_WHITESPACE = /\S\z/
+  ONLY_PRINTABLE_CHARACTERS = /\A[[:print:]]*\z/
+  EIGHT_OR_MORE_CHARACTERS = /\A.{8,}\z/
+  CONTAINS_A_DIGIT = /\d/
 end

app/models/user.rb

@@ -1,21 +1,37 @@
 class User < ApplicationRecord
   before_save { email.downcase! }
+  before_validation :generate_slug
   validates :username,
     presence: true,
     length: { maximum: 24 },
     uniqueness: { case_sensitive: false }
+  validates :username, format: { with: StringFormat::ONLY_PRINTABLE_CHARACTERS,
+                                 message: 'can only contain printable characters' }
+  validates :username, format: { with: StringFormat::STARTS_WITH_NON_WHITESPACE,
+                                 message: 'can not start with whitespace' }
+  validates :username, format: { with: StringFormat::ENDS_WITH_NON_WHITESPACE,
+                                 message: 'can not end with whitespace' }
   validates :email,
     presence: true,
     length: { maximum: 255 },
     format: { with: EmailFormat::EMAIL },
     uniqueness: { case_sensitive: false }
+  validates :slug,
+    presence: true,
+    uniqueness: true
   has_secure_password
-  validates :password, format: { with: PasswordFormat::EIGHT_OR_MORE_CHARACTERS,
+  validates :password, format: { with: StringFormat::EIGHT_OR_MORE_CHARACTERS,
                                  message: 'must have 8 or more characters' }
-  validates :password, format: { with: PasswordFormat::CONTAINS_A_DIGIT,
+  validates :password, format: { with: StringFormat::CONTAINS_A_DIGIT,
                                  message: 'must have at least one digit' }
-  validates :password, format: { with: PasswordFormat::STARTS_WITH_NON_WHITESPACE,
+  validates :password, format: { with: StringFormat::STARTS_WITH_NON_WHITESPACE,
                                  message: 'can not start with whitespace' }
-  validates :password, format: { with: PasswordFormat::ENDS_WITH_NON_WHITESPACE,
+  validates :password, format: { with: StringFormat::ENDS_WITH_NON_WHITESPACE,
                                  message: 'can not end with whitespace' }
+
+  private
+
+    def generate_slug
+      self.slug ||= self.username.parameterize if self.username.present?
+    end
 end

app/views/shared/_error_messages.html.erb

@@ -0,0 +1,12 @@
+<% if @user.errors.any? %>
+  <div id="error_explanation">
+    <div class="alert alert-danger">
+      The form contains <%= pluralize(@user.errors.count, "error") %>.
+    </div>
+    <ul>
+    <% @user.errors.full_messages.each do |msg| %>
+      <li><%= msg %></li>
+    <% end %>
+    </ul>
+  </div>
+<% end %>

app/views/users/new.html.erb

@@ -0,0 +1,21 @@
+<% provide(:title, 'Sign Up') %>
+<div class="center box1">
+  <h1>Sign Up</h1>
+  <%= form_for(@user, url: signup_path) do |f| %>
+    <%= render 'shared/error_messages' %>
+
+    <%= f.label :username %><br>
+    <%= f.text_field :username %><br>
+
+    <%= f.label :email %><br>
+    <%= f.email_field :email %><br>
+
+    <%= f.label :password %><br>
+    <%= f.password_field :password %><br>
+
+    <%= f.label :password_confirmation, "Password Again" %><br>
+    <%= f.password_field :password_confirmation %><br>
+
+    <%= f.submit "Sign me up!" %>
+  <% end %>
+</div>

app/views/users/show.html.erb

@@ -0,0 +1,11 @@
+<div class="center box1">
+  <h1><%= @user.username %></h1>
+  <p>first_name: <%= @user.first_name %></p>
+  <p>last_name: <%= @user.last_name %></p>
+  <p>username: <%= @user.first_name %></p>
+  <p>id: <%= @user.id %></p>
+  <hr>
+  <p>description: <%= @user.description %></p>
+  <p>website: <%= @user.website %></p>
+  <p>email: <%= @user.email %></p>
+</div>

config/routes.rb

@@ -1,3 +1,7 @@
 Rails.application.routes.draw do
   root 'welcome#index'
+
+  resources :users, param: :slug, only: [:show]
+  get '/signup', to: 'users#new'
+  post '/signup', to: 'users#create'
 end

db/migrate/20170111005636_add_slug_to_users.rb

@@ -0,0 +1,5 @@
+class AddSlugToUsers < ActiveRecord::Migration[5.0]
+  def change
+    add_column :users, :slug, :string, unique: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170110022729) do
+ActiveRecord::Schema.define(version: 20170111005636) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -25,6 +25,7 @@
     t.datetime "created_at",      null: false
     t.datetime "updated_at",      null: false
     t.string   "password_digest"
+    t.string   "slug"
   end
 
 end

db/seeds.rb

@@ -1,7 +1 @@
-# This file should contain all the record creation needed to seed the database with its default values.
-# The data can then be loaded with the rails db:seed command (or created alongside the database with db:setup).
-#
-# Examples:
-#
-#   movies = Movie.create([{ name: 'Star Wars' }, { name: 'Lord of the Rings' }])
-#   Character.create(name: 'Luke', movie: movies.first)
+User.create(username: 'Alex', password: 'alex@allegroplanet.com', password: 'pass1word', password_confirmation: 'pass1word')

test/controllers/users_controller_test.rb

@@ -0,0 +1,51 @@
+require 'test_helper'
+
+class UsersControllerTest < ActionDispatch::IntegrationTest
+  def user
+    @user ||= User.first
+  end
+
+  test 'GET #show is successful' do
+    get user_path(user.slug)
+    assert_response :success
+  end
+
+  test 'GET #show renders the "show" template' do
+    get user_path(user.slug)
+    assert_template :show
+  end
+
+  test 'GET #new is successful' do
+    get signup_path
+    assert_response :success
+  end
+
+  test 'GET #new renders the "new" template' do
+    get signup_path
+    assert_template :new
+  end
+
+  test 'POST #create redirects to the user page successfuly' do
+    valid_new_user_params = {
+      username: 'Joe Valid',
+      email: 'valid@email.com',
+      password: 'valid1pass',
+      password_confirmation: 'valid1pass'
+    }
+
+    post signup_path, params: { user: valid_new_user_params }
+    assert_redirected_to '/users/joe-valid'
+  end
+
+  test 'POST #create renders the "new" template when invalid user params are passed' do
+    invalid_new_user_params = {
+      username: 'Joe InValid',
+      email: 'invalidemail',
+      password: 'pass',
+      password_confirmation: 'pass2'
+    }
+
+    post signup_path, params: { user: invalid_new_user_params }
+    assert_template :new
+  end
+end

test/fixtures/users.yml

@@ -1,6 +1,7 @@
 markoates:
   username: markoates
   email: marks@example.com
+  slug: markoates
   first_name: Mark
   last_name: Oates
   website: www.example.com