Create User Login

Gemfile

@@ -15,7 +15,7 @@ gem 'sass-rails', '~> 5.0'
 gem 'uglifier', '>= 1.3.0'
 # See https://github.com/rails/execjs#readme for more supported runtimes
 # gem 'mini_racer', platforms: :ruby
-
+gem 'bcrypt-ruby', '3.1.2'
 # Use CoffeeScript for .coffee assets and views
 gem 'coffee-rails', '~> 4.2'
 gem 'mechanize', '~> 2.7.6'

Gemfile.lock

@@ -48,6 +48,7 @@ GEM
       io-like (~> 0.3.0)
     arel (9.0.0)
     ast (2.4.1)
+    bcrypt-ruby (3.1.2)
     bindex (0.8.1)
     bootsnap (1.4.6)
       msgpack (~> 1.0)
@@ -242,6 +243,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  bcrypt-ruby (= 3.1.2)
   bootsnap (>= 1.1.0)
   byebug
   capybara (>= 2.15)

app/assets/stylesheets/form_login.scss

+// Place all the styles related to the Jobs controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/
+
+.email-field, .password-field, .forgot-pass-field, .login-btn, .regis-btn {
+  margin: 20px;
+  padding: 10px;
+}

app/controllers/application_controller.rb

 class ApplicationController < ActionController::Base
+  include SessionsHelper
 end

app/controllers/sessions_controller.rb

+class SessionsController < ApplicationController
+
+  def new
+  end
+
+  def create
+    user = User.find_by(email: params[:session][:email].downcase)
+    if user && user.authenticate(params[:session][:password])
+      sign_in user
+      redirect_to user
+    else
+      flash.now[:danger] = 'Invalid email or password'
+      render 'new'
+    end
+  end
+
+  def destroy
+    sign_out
+    redirect_to root_path
+  end
+end

app/controllers/users_controller.rb

+class UsersController < ApplicationController
+  def index
+  end
+
+  def show
+    @user = User.find(params[:id])
+  end
+end

app/helpers/sessions_helper.rb

+module SessionsHelper
+
+  def sign_in(user)
+    remember_token = User.new_remember_token
+    cookies.permanent[:remember_token] = remember_token
+    user.update_attribute(:remember_token, User.digest(remember_token))
+    self.current_user = user
+  end
+
+  def signed_in?
+    current_user.present?
+  end
+
+  def current_user=(user)
+    @current_user = user
+  end
+
+  def current_user
+    remember_token = User.digest(cookies[:remember_token])
+    @current_user ||= User.find_by(remember_token: remember_token)
+  end
+
+  def sign_out
+    current_user.update_attribute(:remember_token, User.digest(User.new_remember_token))
+    cookies.delete(:remember_token)
+    self.current_user = nil
+  end
+end

app/models/user.rb

 class User < ApplicationRecord
+  before_save { self.email = email.downcase }
+  before_create :create_remember_token
+
   has_many :favorite_jobs
   has_many :jobs, through: :favorite_jobs
   has_many :job_applieds
   has_many :jobs, through: :job_applieds
   has_many :histories
   has_many :jobs, through: :histories
+
+  has_secure_password
+
+  validates :name,  presence: true, length: { maximum: 50 }
+  VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-]+(?:\.[a-z\d\-]+)*\.[a-z]+\z/i
+  validates :email, presence: true, format: { with: VALID_EMAIL_REGEX },
+    uniqueness: { case_sensitive: false }
+
+  validates :password, length: { minimum: 6 }
+  validates :password_confirmation, presence: true
+
+  def User.new_remember_token
+    SecureRandom.urlsafe_base64
+  end
+
+  def User.digest(token)
+    Digest::SHA1.hexdigest(token.to_s)
+  end
+
+  private
+
+  def create_remember_token
+    self.remember_token = User.digest(User.new_remember_token)
+  end
 end

app/views/layouts/_header.html.erb

@@ -4,7 +4,11 @@
       <%= link_to image_tag("logo_venjob.png", alt: "Logo", id: "logo_venjob", width: 120), root_path %>
       <nav>
         <ul class="navbar-nav mr-auto">
-          <li><%= link_to "Login",    '#' , class: "nav-item nav-link" %></li>
+          <% if signed_in? %>
+            <li><%= link_to "Log Out", logout_path , class: "nav-item nav-link", method: "delete" %></li>
+          <% else %>
+            <li><%= link_to "Log In", login_path , class: "nav-item nav-link" %></li>
+          <% end %>
           <li><%= link_to "Register",    '#', class: "nav-item nav-link" %></li>
           <li><%= link_to "Favorite",    '#', class: "nav-item nav-link" %></li>
           <li><%= link_to "History", '#', class: "nav-item nav-link" %></li>

app/views/sessions/new.html.erb

+<% provide(:title, "Sign In") %>
+<div class="container">
+  <div class="flash-login rounded">
+    <% flash.each do |key, value| %>
+      <div class="alert alert-<%= key %>"><%= value %></div>
+    <% end %>
+  </div>
+  <h1 class="text-center">Login</h1>
+  <div class="form-login">
+    <div class="row form d-flex justify-content-center">
+      <%= form_for(:session, url: sessions_path) do |f|  %>
+        <div class="email-field">
+          <div class="col-4-sm">
+            <%= f.label :email %>:
+          </div>
+          <div class="col-8-sm">
+            <%= f.text_field :email %>
+          </div>
+        </div>
+        <div class="password-field">
+          <div class="col-4-sm">
+            <%= f.label :password %>:
+          </div>
+          <div class="col-8-sm">
+            <%= f.password_field :password %>
+          </div>
+        </div>
+        <div class="col-6-sm forgot-pass-field">
+          <%= link_to 'Forgot password?', '#' %>
+        </div>
+
+        <%= f.submit "Login", class: 'btn btn-outline-primary btn-lg login-btn' %>
+        <%= link_to 'Register', '#', class: 'btn btn-outline-info btn-lg regis-btn' %>
+      <% end %>
+    </div>
+  </div>
+</div>

app/views/users/show.html.erb

+<div class="container">
+  <%= @user.name %>
+</div>
+

config/routes.rb

 Rails.application.routes.draw do
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+
+  resources :users
+  resources :sessions, only: [:new, :create, :destroy]
+  match '/login', to: 'sessions#new', via: 'get', as: :login
+  match '/logout', to: 'sessions#destroy', via: 'delete', as: :logout
+
   resources :jobs
   resources :top_pages
   resources :industries