Commit 2. -Finished I2 of tutorial

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/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/controllers/articles_controller.rb

@@ -7,6 +7,10 @@ def index
 
   def show
     @article = Article.find(params[:id])
+
+    @comment = Comment.new
+    @comment.article_id = @article.id
+
   end
 
   def new

app/controllers/comments_controller.rb

@@ -0,0 +1,15 @@
+class CommentsController < ApplicationController
+  def create
+    @comment = Comment.new(comment_params)
+    @comment.article_id = params[:article_id]
+
+    @comment.save
+
+    redirect_to article_path(@comment.article)
+  end
+
+  def comment_params
+    params.require(:comment).permit(:author_name, :body)
+  end
+
+end

app/helpers/comments_helper.rb

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

app/models/article.rb

@@ -1,2 +1,3 @@
 class Article < ApplicationRecord
+  has_many :comments
 end

app/models/comment.rb

@@ -0,0 +1,3 @@
+class Comment < ApplicationRecord
+  belongs_to :article
+end

app/views/articles/_comment.html.erb

@@ -0,0 +1,5 @@
+<div>
+  <h5>Comment by <%= comment.author_name %></h5>
+  <p class="comment"><%= comment.body %></p>
+  <p>Posted <%= distance_of_time_in_words(comment.created_at, Time.now) %> ago</p><br/>
+</div>

app/views/articles/show.html.erb

@@ -3,4 +3,10 @@
 
 <%= link_to 'Edit Article', edit_article_path(@article) %>
 <%= link_to 'Delete Article', article_path(@article), method: :delete, data: {confirm: 'Are you sure it is wise to delete the article?'} %>
+
+<h3>Comments (<%= @article.comments.size %>)</h3>
+<%= render partial: 'articles/comment', collection: @article.comments %>
+
+<%= render partial: 'comments/form' %>
+
 <%= link_to '<< Back to Articles List', articles_path %>

app/views/comments/_form.html.erb

@@ -0,0 +1,14 @@
+<h3>Post a comment:</h3>
+<%= form_for [ @article, @comment ] do |f| %>
+  <p>
+    <%= f.label :author_name, "Your name" %><br/>
+    <%= f.text_field :author_name %>
+  </p>
+  <p>
+    <%= f.label :body, "Your text here:" %><br/>
+    <%= f.text_area :body %>
+  </p>
+  <p>
+    <%= f.submit 'Submit' %>
+  </p>
+<% end %>

config/routes.rb

@@ -1,5 +1,7 @@
 Rails.application.routes.draw do
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
   root to: 'articles#index'
-  resources :articles
+  resources :articles do
+    resources :comments
+  end
 end

db/migrate/20170806133537_create_comments.rb

@@ -0,0 +1,11 @@
+class CreateComments < ActiveRecord::Migration[5.1]
+  def change
+    create_table :comments do |t|
+      t.string :author_name
+      t.text :body
+      t.references :article, foreign_key: true
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170802132923) do
+ActiveRecord::Schema.define(version: 20170806133537) do
 
   create_table "articles", force: :cascade do |t|
     t.string "title"
@@ -19,4 +19,13 @@
     t.datetime "updated_at", null: false
   end
 
+  create_table "comments", force: :cascade do |t|
+    t.string "author_name"
+    t.text "body"
+    t.integer "article_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["article_id"], name: "index_comments_on_article_id"
+  end
+
 end

test/controllers/comments_controller_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class CommentsControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/fixtures/comments.yml

@@ -0,0 +1,11 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  author_name: MyString
+  body: MyText
+  article: one
+
+two:
+  author_name: MyString
+  body: MyText
+  article: two

test/models/comment_test.rb

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