Add Demo User

app/controllers/identity/emails_controller.rb

@@ -18,6 +18,7 @@ def update
     private
       def set_user
         @user = Current.user
+        redirect_to root_path, notice: "You can't change the demo email address" if @user.email == "user@demo.test"
       end
 
       def user_params

app/controllers/passwords_controller.rb

@@ -16,6 +16,7 @@ def update
   private
     def set_user
       @user = Current.user
+      redirect_to root_path, notice: "You can't change the demo password" if @user.email == "user@demo.test"
     end
 
     def user_params

app/controllers/sessions_controller.rb

@@ -3,6 +3,7 @@
 # Sessions Controller
 class SessionsController < ApplicationController
   skip_before_action :authenticate, only: %i[new create]
+  before_action :prep_demo, only: :create
 
   before_action :set_session, only: :destroy
 
@@ -13,16 +14,15 @@ def index
   def new; end
 
   def create
-    if (user = User.authenticate_by(email: params[:email], password: params[:password]))
-      @session = user.sessions.create!
+    if @user ||= User.authenticate_by(email: params[:email], password: params[:password])
+      @session = @user.sessions.create!
       cookies.signed.permanent[:session_token] = { value: @session.id, httponly: true }
 
       redirect_to workspaces_path, notice: "Signed in successfully"
     else
       redirect_to sign_in_path(email_hint: params[:email]), notice: "That email or password is incorrect"
     end
   end
-  # rubocop:enable Metrics/AbcSize
 
   def destroy
     @session.destroy
@@ -33,4 +33,10 @@ def destroy
     def set_session
       @session = Current.user.sessions.find(params[:id])
     end
+
+    def prep_demo
+      if params[:email] == "user@demo.test"
+        @user = DemoPrep.initialize_demo("user@demo.test")
+      end
+    end
 end

app/services/demo_prep.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class DemoPrep
+  def self.initialize_demo(email)
+    user = User.find_by(email: email)
+    if !user
+      user = FactoryBot.create(:user_with_workspace, email: email)
+      populate_workspace(user.workspaces.first)
+    elsif user.created_at.to_date != Date.today
+      user.workspaces.each do |workspace|
+        workspace.destroy
+      end
+      workspace = user.workspaces.create(name: "Workspace 1")
+      populate_workspace(workspace)
+    end
+    user
+  end
+
+  def self.populate_workspace(workspace)
+    b = workspace.boards.create(name: "Board 1")
+    b.lists.create(title: "List 1")
+    b.lists.create(title: "List 2")
+  end
+end

app/views/home/index.html.erb

@@ -5,6 +5,13 @@
         <h1 class="my-8 text-3xl font-extrabold text-gray-900 dark:text-white md:text-5xl lg:text-6xl">I can has <span class="text-transparent bg-clip-text bg-gradient-to-r to-emerald-600 from-sky-400">Kanban?</span></h1>
         <h2 class="mb-4 text-3xl font-extrabold tracking-tight leading-none text-gray-900 md:text-4xl lg:text-5xl dark:text-white">Yes, you can!</h1>
         <p class="py-5 mb-8 text-lg font-normal text-gray-500 lg:text-xl sm:px-16 lg:px-48 dark:text-gray-400">Find out how Kanban boards can help you organize your work and your life. And with our low, low prices you can surely still afford that delicious cheezburger!</p>
+    <div class="flex flex-col space-y-4 sm:flex-row sm:justify-center sm:space-y-0 mb-8">
+       <%= form_with(url: sign_in_path) do |form| %>
+        <%= form.text_field :email, value: "user@demo.test", readonly: "true", hidden: "true" %>
+        <%= form.password_field :password, value: 'testtest123456', readonly: "true", hidden: "true" %>
+        <%= form.button "Sign in as Demo User", class: "inline-flex justify-center items-center py-3 px-5 text-base font-medium text-center text-white rounded-lg bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:ring-blue-300 dark:focus:ring-blue-900" %>
+      <% end %>
+      </div>
       </div>
       <img class="basis-1/3 object-scale-down" src="/images/i_kan_has_kanban.png" alt="Kanban Kat">
     </div>

test/controllers/sessions_controller_test.rb

@@ -31,6 +31,14 @@ class SessionsControllerTest < ActionDispatch::IntegrationTest
     assert_response :success
   end
 
+  test "should sign in user@demo.test with any password" do
+    post sign_in_url, params: { email: "user@demo.test", password: "12345abcdefg" }
+
+    assert assert_redirected_to workspaces_url
+    get workspaces_url
+    assert_response :success
+  end
+
   test "should not sign in with wrong credentials" do
     post sign_in_url, params: { email: @user.email, password: "SecretWrong1*3" }
 

test/models/user_test.rb

@@ -31,4 +31,22 @@ class UserTest < ActiveSupport::TestCase
 
     assert_equal(1, user1.workspaces.others.count)
   end
+
+  test "deleting a user should purge all owned workspaces" do
+    user1 = create(:user_with_3_workspaces)
+    board = user1.workspaces.mine.first.boards.create(name: "Test board")
+    board.lists.create(title: "Test List")
+    board.lists.first.cards.create(title: "Test Card")
+    assert_equal(3, user1.workspaces.mine.count)
+
+    assert_difference("Workspace.count", -3) do
+      assert_difference("Board.count", -1) do
+        assert_difference("List.count", -1) do
+            assert_difference("Card.count", -1) do
+              user1.destroy
+            end
+          end
+      end
+    end
+  end
 end

test/services/demo_prep_test.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class DemoPrepTest < ActiveSupport::TestCase
+  test "initialize demo if no users exist" do
+    user = User.find_by(email: "user@demo.test")
+    assert_nil user
+    user = DemoPrep.initialize_demo("user@demo.test")
+    assert user
+  end
+
+  test "if user exists and was created today, do nothing" do
+    user = create(:user_with_workspace, email: "user@demo.test")
+    user.workspaces.create(name: "Workspace 2")
+    assert_equal 2, user.workspaces.count
+    demo_user = DemoPrep.initialize_demo("user@demo.test")
+    assert_equal 2, demo_user.workspaces.count
+  end
+
+  test "if user exists and was not created today, create empty workspace" do
+    user = create(:user_with_workspace, email: "user@demo.test")
+    user.workspaces.create(name: "Workspace 2")
+    assert_equal 2, user.workspaces.count
+    travel 1.day do
+      demo_user = DemoPrep.initialize_demo("user@demo.test")
+      assert_equal 1, demo_user.workspaces.count
+    end
+  end
+end

test/system/sessions_test.rb

@@ -25,6 +25,13 @@ class SessionsTest < ApplicationSystemTestCase
     assert_text "Signed in successfully"
   end
 
+  test "sign in as demo user" do
+    visit root_url
+    click_on "Demo"
+
+    assert_text "Signed in successfully"
+  end
+
   test "signing out" do
     sign_in_as @user
     find_by_id("user-menu-button").click