Merge branch 'account-activation'

app/assets/stylesheets/account_activations.scss

+// Place all the styles related to the AccountActivations controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: https://sass-lang.com/

app/controllers/account_activations_controller.rb

+class AccountActivationsController < ApplicationController
+
+  def edit
+    user = User.find_by(email: params[:email])
+    if user && !user.activated? && user.authenticated?(:activation, params[:id])
+      user.activate
+      log_in user 
+      flash[:success] = "Account activated!"
+      redirect_to user
+    else
+      flash[:danger] = "Invalid activation link"
+      redirect_to root_url
+    end
+  end
+end

app/helpers/account_activations_helper.rb

+module AccountActivationsHelper
+end

app/mailers/user_mailer.rb

+class UserMailer < ApplicationMailer
+
+  # Subject can be set in your I18n file at config/locales/en.yml
+  # with the following lookup:
+  #
+  #   en.user_mailer.account_activation.subject
+  #
+  def account_activation(user)
+    @user = user
+
+    mail to: user.email, subject: "Account activation"
+  end
+
+  # Subject can be set in your I18n file at config/locales/en.yml
+  # with the following lookup:
+  #
+  #   en.user_mailer.password_reset.subject
+  #
+  def password_reset
+    @greeting = "Hi"
+
+    mail to: "to@example.org"
+  end
+end

app/views/user_mailer/account_activation.html.erb

+<h1>Sample App</h1>
+<p>Hi <%= @user.name %>, </p>
+<p>
+Welcome to the Sample App! Click on the link below to activate your account:
+</p>
+<%= link_to "Activate", edit_account_activation_url(@user.activation_token, email: @user.email) %>
\ No newline at end of file

app/views/user_mailer/account_activation.text.erb

+Hi <%= @user.name %>,
+Welcome to the Sample App~ Click on the link below to activate your account:
+<%= edit_account_activation_url(@user.activation_token, email: @user.email) %>
\ No newline at end of file

app/views/user_mailer/password_reset.html.erb

+<h1>User#password_reset</h1>
+
+<p>
+  <%= @greeting %>, find me in app/views/user_mailer/password_reset.html.erb
+</p>

app/views/user_mailer/password_reset.text.erb

+User#password_reset
+
+<%= @greeting %>, find me in app/views/user_mailer/password_reset.text.erb

db/migrate/20210616070505_add_activation_to_users.rb

+class AddActivationToUsers < ActiveRecord::Migration[6.1]
+  def change
+    add_column :users, :activation_digest, :string
+    add_column :users, :activated, :boolean, default: false
+    add_column :users, :activated_at, :datetime
+  end
+end

test/controllers/account_activations_controller_test.rb

+require "test_helper"
+
+class AccountActivationsControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/mailers/previews/user_mailer_preview.rb

+# Preview all emails at http://localhost:3000/rails/mailers/user_mailer
+class UserMailerPreview < ActionMailer::Preview
+
+  # Preview this email at http://localhost:3000/rails/mailers/user_mailer/account_activation
+  def account_activation
+    user = User.first
+    user.activation_token = User.new_token
+    UserMailer.account_activation(user)
+  end
+
+  # Preview this email at http://localhost:3000/rails/mailers/user_mailer/password_reset
+  def password_reset
+    UserMailer.password_reset
+  end
+
+end

test/mailers/user_mailer_test.rb

+require "test_helper"
+
+class UserMailerTest < ActionMailer::TestCase
+  test "account_activation" do
+    user = users(:michael)
+    user.activation_token = User.new_token
+    mail = UserMailer.account_activation(user)
+    assert_equal "Account activation", mail.subject
+    assert_equal [user.email], mail.to
+    assert_equal ["noreply@example.com"], mail.from
+    assert_match user.name, mail.body.encoded
+    assert_match user.activation_token, mail.body.encoded
+    assert_match CGI.escape(user.email), mail.body.encoded
+  end
+end