25_rails

app/assets/javascripts/sessions.js

@@ -0,0 +1,2 @@
+// Place all the behaviors and hooks related to the matching controller here.
+// All this logic will automatically be available in application.js.

app/assets/stylesheets/sessions.scss

@@ -0,0 +1,6 @@
+// Place all the styles related to the Sessions controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: https://sass-lang.com/
+.remember-checkbox{
+ margin-left: 10px;
+}

app/controllers/application_controller.rb

@@ -1,3 +1,4 @@
 class ApplicationController < ActionController::Base
  protect_from_forgery with: :exception
+ include SessionsHelper
 end

app/controllers/sessions_controller.rb

@@ -0,0 +1,23 @@
+class SessionsController < ApplicationController
+ def new
+ end
+
+ def create
+ user = User.find_by(email: params[:session][:email].downcase)
+
+ if user && user.authenticate(params[:session][:password])
+ create_session(user)
+ flash[:notice] = "Welcome, #{user.name}!"
+ redirect_to root_path
+ else
+ flash.now[:alert] = 'Invalid email/password combination'
+ render :new
+ end
+ end
+
+ def destroy
+ destroy_session(current_user)
+ flash[:notice] = "You've been signed out, come back soon!"
+ redirect_to root_path
+ end
+end

app/controllers/users_controller.rb

@@ -13,6 +13,7 @@ def create
 
  if @user.save
  flash[:notice] = "Welcome to Bloccit #{@user.name}!"
+ create_session(@user)
  redirect_to root_path
  else
  flash.now[:alert] = "There was an error creating your account. Please try again."

app/helpers/sessions_helper.rb

@@ -0,0 +1,14 @@
+module SessionsHelper
+ def create_session(user)
+ session[:user_id] = user.id
+ end
+
+ def destroy_session(user)
+ session[:user_id] = nil
+ end
+
+ def current_user
+ User.find_by(id: session[:user_id])
+ end
+
+end

app/views/layouts/application.html.erb

@@ -16,8 +16,12 @@
  <li><%= link_to "Bloccit", root_path %></li>
  <li><%= link_to "Topics", topics_path %></li>
  <li><%= link_to "About", about_path %></li>
- <li class="pull-right"><%= link_to "Sign Up", new_user_path %></li>
-
+ <% if current_user %>
+ <li class="pull-right"><%= link_to "#{current_user.name} -Sign Out", session_path(current_user), method: :delete %></li>
+ <% else %>
+ <li class="pull-right"><%= link_to "Sign In", new_session_path %></li>
+ <li class="pull-right"><%= link_to "Sign Up", new_user_path %></li>
+ <% end %>
  </ul>
 
  <% if flash[:notice] %>

app/views/sessions/new.html.erb

@@ -0,0 +1,22 @@
+<h2>Sign in</h2>
+
+<div class="row">
+ <div class="col-md-8">
+ <%= form_for :session, url: sessions_path do |f| %>
+ <div class="form-group">
+ <%= f.label :email %>
+ <%= f.email_field :email, autofocus: true, class: 'form-control', placeholder: "Enter email" %>
+ </div>
+ <div class="form-group">
+ <%= f.label :password %>
+ <%= f.password_field :password, class: 'form-control', placeholder: "Enter password" %>
+ </div>
+ <div class="form-group">
+ <%= f.label :remember_me, class: 'checkbox' do %>
+ Remember Me <%= f.check_box :remember_me, class: "remember-checkbox" %>
+ <% end %>
+ <%= f.submit "Sign in", class: 'btn btn-success' %>
+ </div>
+ <% end %>
+ </div>
+</div>

app/views/welcome/index.html.erb

@@ -2,6 +2,7 @@
  <h1>Bloccit</h1>
  <p>Bloccit is a resource for sharing links with your friends!</p>
  <p>
+ <%= link_to "Sign In", new_session_path %> or
  <%= link_to "Sign Up", new_user_path, class: 'btn btn-primary' %> today!
  </p>
 </div>

config/routes.rb

@@ -5,6 +5,7 @@
  end
 
  resources :users, only: [:new, :create]
+ resources :sessions, only: [:new, :create, :destroy]
 
  get 'about' => 'welcome#about'
 

spec/controllers/sessions_controller_spec.rb

@@ -0,0 +1,60 @@
+require 'rails_helper'
+
+RSpec.describe SessionsController, type: :controller do
+ let(:my_user) { User.create!(name: "Blochead", email: "[email protected]", password: "password") }
+
+ describe "GET new" do
+ it "returns http success" do
+ get :new
+ expect(response).to have_http_status(:success)
+ end
+ end
+
+ describe "POST sessions" do
+ it "returns http success" do
+ post :create, params: { session: { email: my_user.email } }
+ expect(response).to have_http_status(:success)
+ end
+
+ it "initializes a session" do
+ post :create, params: { session: { email: my_user.email, password: my_user.password } }
+ expect(session[:user_id]).to eq my_user.id
+ end
+
+ it "does not add a user id to session due to missing password" do
+ post :create, params: { session: { email: my_user.email } }
+ expect(session[:user_id]).to be_nil
+ end
+
+ it "flashes #error with bad email address" do
+ post :create, params: { session: { email: "does not exist" } }
+ expect(flash.now[:alert]).to be_present
+ end
+
+ it "renders #new with bad email address" do
+ post :create, params: { session: { email: "does not exist" } }
+ expect(response).to render_template :new
+ end
+
+ it "redirects to the root view" do
+ post :create, params: { session: { email: my_user.email, password: my_user.password } }
+ expect(response).to redirect_to(root_path)
+ end
+ end
+ describe "DELETE sessions/id" do
+ it "render the #welcome view" do
+ delete :destroy, params: { id: my_user.id }
+ expect(response).to redirect_to root_path
+ end
+
+ it "deletes the user's session" do
+ delete :destroy, params: { id: my_user.id }
+ expect(assigns(:session)).to be_nil
+ end
+
+ it "flashes #notice" do
+ delete :destroy, params: { id: my_user.id }
+ expect(flash[:notice]).to be_present
+ end
+ end
+end

spec/controllers/users_controller_spec.rb

@@ -58,6 +58,10 @@
  post :create, params: { user: new_user_attributes }
  expect(assigns(:user).password_confirmation).to eq new_user_attributes[:password_confirmation]
  end
+ it "logs the user in after sign up" do
+ post :create, params: { user: new_user_attributes }
+ expect(session[:user_id]).to eq assigns(:user).id
+ end
  end
 
 end

spec/helpers/sessions_helper_spec.rb

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