Final (Fix)

Gemfile

@@ -7,7 +7,7 @@ end
 
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.0.1'
+gem 'rails', '~> 5.0.7'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
 # Use Puma as the app server

Gemfile.lock

@@ -165,7 +165,7 @@ DEPENDENCIES
   jquery-rails
   listen (~> 3.0.5)
   puma (~> 3.0)
-  rails (~> 5.0.1)
+  rails (~> 5.0.7)
   sass-rails (~> 5.0)
   spring
   spring-watcher-listen (~> 2.0.0)

app/assets/javascripts/articles.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/

app/assets/javascripts/comments.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/

app/assets/javascripts/welcome.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/

app/assets/stylesheets/articles.scss

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

app/assets/stylesheets/comments.scss

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

app/assets/stylesheets/welcome.scss

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

app/controllers/articles_controller.rb

@@ -0,0 +1,52 @@
+class ArticlesController < ApplicationController
+
+    http_basic_authenticate_with name: "dhh", password: "secret", except: [:index, :show]
+
+  def index
+    @articles = Article.all
+  end
+
+  def show
+    @article = Article.find(params[:id])
+  end
+
+  def new
+    @article = Article.new
+  end
+
+  def edit
+    @article = Article.find(params[:id])
+  end
+
+  def create
+    @article = Article.new(article_params)
+
+    if @article.save
+      redirect_to @article
+    else
+      render 'new'
+    end
+  end
+
+  def update
+    @article = Article.find(params[:id])
+
+    if @article.update(article_params)
+      redirect_to @article
+    else
+      render 'edit'
+    end
+  end
+
+  def destroy
+    @article = Article.find(params[:id])
+    @article.destroy
+
+    redirect_to articles_path
+  end
+
+  private
+    def article_params
+      params.require(:article).permit(:title, :text)
+    end
+end

app/controllers/comments_controller.rb

@@ -0,0 +1,22 @@
+class CommentsController < ApplicationController
+
+  http_basic_authenticate_with name: "dhh", password: "secret", only: :destroy
+
+  def create
+    @article = Article.find(params[:article_id])
+    @comment = @article.comments.create(comment_params)
+    redirect_to article_path(@article)
+  end
+
+  def destroy
+    @article = Article.find(params[:article_id])
+    @comment = @article.comments.find(params[:id])
+    @comment.destroy
+    redirect_to article_path(@article)
+  end
+
+  private
+    def comment_params
+      params.require(:comment).permit(:commenter, :body)
+    end
+end

app/controllers/welcome_controller.rb

@@ -0,0 +1,4 @@
+class WelcomeController < ApplicationController
+  def index
+  end
+end

app/helpers/articles_helper.rb

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

app/helpers/comments_helper.rb

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

app/helpers/welcome_helper.rb

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

app/models/article.rb

@@ -0,0 +1,5 @@
+class Article < ApplicationRecord
+  has_many :comments, dependent: :destroy
+  validates :title, presence: true,
+                    length: { minimum: 5 }
+end

app/models/comment.rb

@@ -0,0 +1,5 @@
+class Article < ApplicationRecord
+  has_many :comments
+  validates :title, presence: true,
+                    length: { minimum: 5 }
+end

app/views/articles/_form.html.erb

@@ -0,0 +1,31 @@
+<%= form_with model: @article, local: true do |form| %>
+
+  <% if @article.errors.any? %>
+    <div id="error_explanation">
+      <h2>
+        <%= pluralize(@article.errors.count, "error") %> prohibited
+        this article from being saved:
+      </h2>
+      <ul>
+        <% @article.errors.full_messages.each do |msg| %>
+          <li><%= msg %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <p>
+    <%= form.label :title %><br>
+    <%= form.text_field :title %>
+  </p>
+
+  <p>
+    <%= form.label :text %><br>
+    <%= form.text_area :text %>
+  </p>
+
+  <p>
+    <%= form.submit %>
+  </p>
+
+<% end %>

app/views/articles/edit.html.erb

@@ -0,0 +1,5 @@
+<h1>Edit article</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Back', articles_path %>

app/views/articles/index.html.erb

@@ -0,0 +1,21 @@
+<h1>Listing Articles</h1>
+<%= link_to 'New article', new_article_path %>
+<table>
+  <tr>
+    <th>Title</th>
+    <th>Text</th>
+    <th colspan="3"></th>
+  </tr>
+
+  <% @articles.each do |article| %>
+    <tr>
+      <td><%= article.title %></td>
+      <td><%= article.text %></td>
+      <td><%= link_to 'Show', article_path(article) %></td>
+      <td><%= link_to 'Edit', edit_article_path(article) %></td>
+      <td><%= link_to 'Destroy', article_path(article),
+              method: :delete,
+              data: { confirm: 'Are you sure?' } %></td>
+    </tr>
+  <% end %>
+</table>

app/views/articles/new.html.erb

@@ -0,0 +1,5 @@
+<h1>New article</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Back', articles_path %>

app/views/articles/show.html.erb

@@ -0,0 +1,18 @@
+<p>
+  <strong>Title:</strong>
+  <%= @article.title %>
+</p>
+
+<p>
+  <strong>Text:</strong>
+  <%= @article.text %>
+</p>
+
+<h2>Comments</h2>
+<%= render @article.comments %>
+
+<h2>Add a comment:</h2>
+<%= render 'comments/form' %>
+
+<%= link_to 'Edit', edit_article_path(@article) %> |
+<%= link_to 'Back', articles_path %>

app/views/comments/_comment.html.erb

@@ -0,0 +1,15 @@
+<p>
+  <strong>Commenter:</strong>
+  <%= comment.commenter %>
+</p>
+
+<p>
+  <strong>Comment:</strong>
+  <%= comment.body %>
+</p>
+
+<p>
+  <%= link_to 'Destroy Comment', [comment.article, comment],
+               method: :delete,
+               data: { confirm: 'Are you sure?' } %>
+</p>

app/views/comments/_form.html.erb

@@ -0,0 +1,13 @@
+<%= form_with(model: [ @article, @article.comments.build ], local: true) do |form| %>
+  <p>
+    <%= form.label :commenter %><br>
+    <%= form.text_field :commenter %>
+  </p>
+  <p>
+    <%= form.label :body %><br>
+    <%= form.text_area :body %>
+  </p>
+  <p>
+    <%= form.submit %>
+  </p>
+<% end %>

app/views/layouts/application.html.erb

@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title>Webapp</title>
+    <title>Blog</title>
     <%= csrf_meta_tags %>
 
     <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track': 'reload' %>

app/views/welcome/index.html.erb

@@ -0,0 +1,2 @@
+<h1>Hello, Rails!</h1>
+<%= link_to 'My Blog', controller: 'articles' %>

config/application.rb

@@ -6,7 +6,7 @@
 # you've limited to :test, :development, or :production.
 Bundler.require(*Rails.groups)
 
-module Webapp
+module Blog
   class Application < Rails::Application
     # Settings in config/environments/* take precedence over those specified here.
     # Application configuration should go into files in config/initializers

config/environments/production.rb

@@ -54,7 +54,7 @@
 
   # Use a real queuing backend for Active Job (and separate queues per environment)
   # config.active_job.queue_adapter     = :resque
-  # config.active_job.queue_name_prefix = "webapp_#{Rails.env}"
+  # config.active_job.queue_name_prefix = "blog_#{Rails.env}"
   config.action_mailer.perform_caching = false
 
   # Ignore bad email addresses and do not raise email delivery errors.

config/initializers/application_controller_renderer.rb

@@ -1,6 +1,8 @@
 # Be sure to restart your server when you modify this file.
 
-# ApplicationController.renderer.defaults.merge!(
-#   http_host: 'example.org',
-#   https: false
-# )
+# ActiveSupport::Reloader.to_prepare do
+#   ApplicationController.renderer.defaults.merge!(
+#     http_host: 'example.org',
+#     https: false
+#   )
+# end

config/initializers/new_framework_defaults.rb

@@ -4,6 +4,8 @@
 #
 # Read the Guide for Upgrading Ruby on Rails for more info on each option.
 
+Rails.application.config.action_controller.raise_on_unfiltered_parameters = true
+
 # Enable per-form CSRF tokens. Previous versions had false.
 Rails.application.config.action_controller.per_form_csrf_tokens = true
 

config/initializers/session_store.rb

@@ -1,3 +1,3 @@
 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.session_store :cookie_store, key: '_webapp_session'
+Rails.application.config.session_store :cookie_store, key: '_blog_session'

config/routes.rb

@@ -1,3 +1,9 @@
 Rails.application.routes.draw do
-  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
-end
+  get 'welcome/index'
+
+  resources :articles do
+    resources :comments
+  end
+
+  root 'welcome#index'
+end

config/secrets.yml

@@ -11,10 +11,10 @@
 # if you're sharing your code publicly.
 
 development:
-  secret_key_base: ed5fc944e1c409ddc4bb5f35a22f2b77535ce0f5dbaa8665a53694f6e02711bf6139873eb4caf5f5c2f14c1cb71990e52d3f32ee0cf34e76d38ee210b1ec3a62
+  secret_key_base: 8bfaa81aa1718326f25f83f88d24a1fa1106af4b35d397bf5451ab588b17ae792513dd6646552ac51d02074082d2eb035764054c66769d209321507be43ae681
 
 test:
-  secret_key_base: 7827c04af43360b5e7965692f06f78ca0e2b02ab3e430ed9d42653bde8ebb22e0026a7c49e9c07b595fccfcdee3ba615b27ba5f5f9e3a6c53063cfe9380a8c9e
+  secret_key_base: 6bdabd3f57ede69f63627de46a4242624a17ce6609afc1c332a299968141b874021bd99deb1a6b8bd72a6f5bf53c85313fea9d8c29b9a0cd05b5d6bd7fd5fc6e
 
 # Do not keep production secrets in the repository,
 # instead read values from the environment.

db/migrate/20191013174256_create_articles.rb

@@ -0,0 +1,10 @@
+class CreateArticles < ActiveRecord::Migration[5.0]
+  def change
+    create_table :articles do |t|
+      t.string :title
+      t.text :text
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20191013182736_create_comments.rb

@@ -0,0 +1,10 @@
+class CreateComments < ActiveRecord::Migration[5.0]
+  def change
+    create_table :comments do |t|
+      t.string :commenter
+      t.text :body
+
+      t.timestamps
+    end
+  end
+end