Add session functionality

Training/to_do_list/app/assets/javascripts/sessions.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

Training/to_do_list/app/assets/stylesheets/sessions.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the sessions controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

Training/to_do_list/app/controllers/application_controller.rb

@@ -1,2 +1,13 @@
+# frozen_string_literal: true
+
 class ApplicationController < ActionController::Base
+  helper_method :current_user
+
+  def current_user
+    if session[:user_id]
+      @current_user ||= User.find_by(id: session[:user_id])
+    else
+      @current_user = nil
+    end
+  end
 end

Training/to_do_list/app/controllers/home_controller.rb

@@ -1,4 +1,5 @@
 class HomeController < ApplicationController
   def index
+    @projects = Project.all
   end
 end

Training/to_do_list/app/controllers/projects_controller.rb

@@ -0,0 +1,61 @@
+class ProjectsController < ApplicationController
+  before_action :set_project, only: [:show, :edit, :update, :destroy]
+
+  def index
+    @projects = Project.all
+  end
+
+  def new
+    @project = Project.new
+  end
+
+  def create
+    @project = Project.new(project_params)
+
+    respond_to do |format|
+      if @project.save
+        format.html { redirect_to @project, notice: 'Project was successfully created.' }
+        format.json { render :show, status: :created, location: @project }
+      else
+        format.html { render :new }
+        format.json { render json: @project.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  def edit
+  end
+
+  def destroy
+    @project.destroy
+    respond_to do |format|
+      format.html { redirect_to projects_url, notice: 'Project was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  def show
+  end
+
+  def update
+    respond_to do |format|
+      if @project.update(project_params)
+        format.html { redirect_to @project, notice: 'Project was successfully updated.' }
+        format.json { render :show, status: :ok, location: @project }
+      else
+        format.html { render :edit }
+        format.json { render json: @project.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  private
+
+  def project_params
+    params.require(:project).permit(:name)
+  end
+
+  def set_project
+    @project = Project.find(params[:id])
+  end
+end

Training/to_do_list/app/controllers/sessions_controller.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class SessionsController < ApplicationController
+  def new; end
+
+  def create
+    user = User.find_by_email(params[:email])
+    if user&.authenticate(params[:password])
+      session[:user_id] = user.id
+      redirect_to root_url, notice: 'Logged in!'
+    else
+      flash.now[:alert] = 'Email or password is invalid'
+      render 'new'
+    end
+  end
+
+  def destroy
+    session[:user_id] = nil
+    redirect_to root_url, notice: 'Logged out!'
+  end
+end

Training/to_do_list/app/helpers/sessions_helper.rb

@@ -0,0 +1,2 @@
+module SessionsHelper
+end

Training/to_do_list/app/models/project.rb

@@ -0,0 +1,5 @@
+class Project < ApplicationRecord
+  validates :name, presence: true, uniqueness: true
+
+  has_many :tasks
+end

Training/to_do_list/app/models/task.rb

@@ -0,0 +1,5 @@
+class Task < ApplicationRecord
+  validates :name, presence: true, uniqueness: true
+
+  belongs_to :project
+end

Training/to_do_list/app/models/user.rb

@@ -1,3 +1,5 @@
 class User < ApplicationRecord
   has_secure_password
+
+  validates :email, presence: true, uniqueness: true
 end

Training/to_do_list/app/views/home/index.html.erb

@@ -1,2 +1,10 @@
-<h1>Home#index</h1>
-<p>Find me in app/views/home/index.html.erb</p>
+<% if current_user %>
+  Logged in as <%= current_user.email %>.
+  <%= link_to "Log Out", logout_path %>
+<% else %>
+  <%= link_to "Sign Up", signup_path %> or
+  <%= link_to "Log In", login_path %>
+<% end %>
+<p id="notice"><%= notice %></p>
+
+<%= render template: 'projects/index', projects: @projects %>

Training/to_do_list/app/views/projects/_form.html.erb

@@ -0,0 +1,22 @@
+<%= form_with(model: project, local: true) do |form| %>
+  <% if project.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(project.errors.count, "error") %> prohibited this project from being saved:</h2>
+
+      <ul>
+      <% project.errors.full_messages.each do |message| %>
+        <li><%= message %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= form.label :name %>
+    <%= form.text_field :name %>
+  </div>
+
+  <div class="actions">
+    <%= form.submit %>
+  </div>
+<% end %>

Training/to_do_list/app/views/projects/edit.html.erb

@@ -0,0 +1,6 @@
+<h1>Editing project</h1>
+
+<%= render 'form', project: @project %>
+
+<%= link_to 'Show', @project %> |
+<%= link_to 'Back', projects_path %>

Training/to_do_list/app/views/projects/index.html.erb

@@ -0,0 +1,27 @@
+<p id="notice"><%= notice %></p>
+
+<h1>projects</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>name</th>
+      <th colspan="3"></th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <% @projects.each do |project| %>
+      <tr>
+        <td><%= project.name %></td>
+        <td><%= link_to 'Show', project %></td>
+        <td><%= link_to 'Edit', edit_project_path(project) %></td>
+        <td><%= link_to 'Destroy', project, method: :delete, data: { confirm: 'Are you sure?' } %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+
+<br>
+
+<%= link_to 'New project', new_project_path %>

Training/to_do_list/app/views/projects/new.html.erb

@@ -0,0 +1,5 @@
+<h1>New project</h1>
+
+<%= render 'form', project: @project %>
+
+<%= link_to 'Back', projects_path %>

Training/to_do_list/app/views/projects/show.html.erb

@@ -0,0 +1,9 @@
+<p id="notice"><%= notice %></p>
+
+<p>
+  <strong>name:</strong>
+  <%= @project.name %>
+</p>
+
+<%= link_to 'Edit', edit_project_path(@project) %> |
+<%= link_to 'Back', projects_path %>

Training/to_do_list/app/views/sessions/create.html.erb

@@ -0,0 +1,2 @@
+<h1>Sessions#create</h1>
+<p>Find me in app/views/sessions/create.html.erb</p>

Training/to_do_list/app/views/sessions/destroy.html.erb

@@ -0,0 +1,2 @@
+<h1>Sessions#destroy</h1>
+<p>Find me in app/views/sessions/destroy.html.erb</p>

Training/to_do_list/app/views/sessions/new.html.erb

@@ -0,0 +1,15 @@
+<p id="alert"><%= alert %></p>
+<h1>Login</h1>
+<%= form_tag sessions_path do |form| %>
+  <div class="field">
+    <%= label_tag :email %>
+    <%= text_field_tag :email %>
+  </div>
+  <div class="field">
+    <%= label_tag :password %>
+    <%= password_field_tag :password %>
+  </div>
+  <div class="actions">
+    <%= submit_tag "Login" %>
+  </div>
+<% end %>

Training/to_do_list/config/routes.rb

@@ -1,5 +1,11 @@
 Rails.application.routes.draw do
-  resources :users
   root 'home#index'
-  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
+
+  resources :users
+  resources :sessions, only: [:new, :create, :destroy]
+  resources :projects
+
+  get 'signup', to: 'users#new', as: 'signup'
+  get 'login', to: 'sessions#new', as: 'login'
+  get 'logout', to: 'sessions#destroy', as: 'logout'
 end

Training/to_do_list/db/migrate/20200506163019_create_projects.rb

@@ -0,0 +1,9 @@
+class CreateProjects < ActiveRecord::Migration[5.2]
+  def change
+    create_table :projects do |t|
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end

Training/to_do_list/db/migrate/20200507203141_create_tasks.rb

@@ -0,0 +1,10 @@
+class CreateTasks < ActiveRecord::Migration[5.2]
+  def change
+    create_table :tasks do |t|
+      t.string :name
+      t.integer :priority_rank, default: 0
+
+      t.timestamps
+    end
+  end
+end

Training/to_do_list/db/migrate/20200507204348_add_project_to_tasks.rb

@@ -0,0 +1,5 @@
+class AddProjectToTasks < ActiveRecord::Migration[5.2]
+  def change
+    add_reference :tasks, :project, foreign_key: true
+  end
+end

Training/to_do_list/db/schema.rb

@@ -10,7 +10,22 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_05_06_125331) do
+ActiveRecord::Schema.define(version: 2020_05_07_204348) do
+
+  create_table "projects", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "tasks", force: :cascade do |t|
+    t.string "name"
+    t.integer "priority_rank", default: 0
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.integer "project_id"
+    t.index ["project_id"], name: "index_tasks_on_project_id"
+  end
 
   create_table "users", force: :cascade do |t|
     t.string "email"

Training/to_do_list/test/controllers/sessions_controller_test.rb

@@ -0,0 +1,19 @@
+require 'test_helper'
+
+class SessionsControllerTest < ActionDispatch::IntegrationTest
+  test "should get new" do
+    get sessions_new_url
+    assert_response :success
+  end
+
+  test "should get create" do
+    get sessions_create_url
+    assert_response :success
+  end
+
+  test "should get destroy" do
+    get sessions_destroy_url
+    assert_response :success
+  end
+
+end

Training/to_do_list/test/fixtures/projects.yml

@@ -0,0 +1,7 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+
+two:
+  name: MyString

Training/to_do_list/test/fixtures/tasks.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  priority_rank: 1
+
+two:
+  name: MyString
+  priority_rank: 1

Training/to_do_list/test/models/project_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class ProjectTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

Training/to_do_list/test/models/task_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class TaskTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end