Add comments controller and routes

app/assets/stylesheets/posts.scss

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

app/controllers/comments_controller.rb

@@ -0,0 +1,11 @@
+class CommentsController < ApplicationController
+  def index
+    comments = Comment
+      .where(post_id: params[:post_id])
+      .left_outer_joins(:user)
+      .select('comments.body, comments.updated_at, users.full_name')
+      .order(updated_at: :desc)
+
+    render json: comments
+  end
+end

app/helpers/comments_helper.rb

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

app/models/post.rb

@@ -2,6 +2,7 @@ class Post < ApplicationRecord
   belongs_to :board
   belongs_to :user
   belongs_to :post_status, optional: true
+  has_many :comments
 
   validates :title, presence: true, length: { in: 4..64 }
 

app/models/user.rb

@@ -3,6 +3,8 @@ class User < ApplicationRecord
          :recoverable, :rememberable, :validatable,
          :confirmable
 
+  has_many :comments
+
   enum role: [:user, :moderator, :admin]
   after_initialize :set_default_role, if: :new_record?
 

config/routes.rb

@@ -13,6 +13,8 @@ Rails.application.routes.draw do
   devise_for :users
 
   resources :boards, only: [:show]
-  resources :posts, only: [:index, :create, :show, :update]
+  resources :posts, only: [:index, :create, :show, :update] do
+    resources :comments, only: [:index]
+  end
   resources :post_statuses, only: [:index]
 end

db/seeds.rb

@@ -13,20 +13,20 @@ completed_post_status = PostStatus.create(name: 'Completed', color: '#6ac47c', o
 rejected_post_status = PostStatus.create(name: 'Rejected', color: '#ff2600', order: 4, show_in_roadmap: false)
 
 # Create some posts
-Post.create(
+post1 = Post.create(
   title: 'This is how users give you feedback',
   description: 'They can also provide an extendend description like this... bla bla...',
   board_id: feature_board.id,
   user_id: admin.id
 )
-Post.create(
+post2 = Post.create(
   title: 'You can assign a status to each post',
   description: 'This one, for example, is marked as "Planned"',
   board_id: feature_board.id,
   user_id: admin.id,
   post_status_id: planned_post_status.id
 )
-Post.create(
+post3 = Post.create(
   title: 'There are multiple boards',
   description: 'For now you have Feature Requests and Bug Reports, but you can add or remove as many as you want!',
   board_id: bug_board.id,
@@ -34,6 +34,9 @@ Post.create(
   post_status_id: in_progress_post_status.id
 )
 
+# Create some comments
+post1.comments.create(body: 'Users can comment to express their opinions!', user_id: admin.id)
+
 # Let the user know how to log in with admin account
 puts 'A default admin account has been created. Credentials:'
 puts "-> email: #{admin.email}"