./bin/rails importmap:install

app/controllers/articles_controller.rb

@@ -0,0 +1,69 @@
+class ArticlesController < ApplicationController
+  before_action :set_article, only: %i[ show edit update destroy ]
+
+  # GET /articles or /articles.json
+  def index
+    @articles = Article.all
+  end
+
+  # GET /articles/1 or /articles/1.json
+  def show
+  end
+
+  # GET /articles/new
+  def new
+    @article = Article.new
+  end
+
+  # GET /articles/1/edit
+  def edit
+  end
+
+  # POST /articles or /articles.json
+  def create
+    @article = Article.new(article_params)
+
+    respond_to do |format|
+      if @article.save
+        format.html { redirect_to @article, notice: "Article was successfully created." }
+        format.json { render :show, status: :created, location: @article }
+      else
+        format.html { render :new, status: :unprocessable_entity }
+        format.json { render json: @article.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /articles/1 or /articles/1.json
+  def update
+    respond_to do |format|
+      if @article.update(article_params)
+        format.html { redirect_to @article, notice: "Article was successfully updated." }
+        format.json { render :show, status: :ok, location: @article }
+      else
+        format.html { render :edit, status: :unprocessable_entity }
+        format.json { render json: @article.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /articles/1 or /articles/1.json
+  def destroy
+    @article.destroy
+    respond_to do |format|
+      format.html { redirect_to articles_url, notice: "Article was successfully destroyed." }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_article
+      @article = Article.find(params[:id])
+    end
+
+    # Only allow a list of trusted parameters through.
+    def article_params
+      params.require(:article).permit(:title, :text)
+    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/welcome_helper.rb

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

app/javascript/application.js

@@ -1,3 +1 @@
 // Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
-import "@hotwired/turbo-rails"
-import "controllers"

app/models/article.rb

@@ -0,0 +1,2 @@
+class Article < ApplicationRecord
+end

app/views/articles/_article.html.erb

@@ -0,0 +1,15 @@
+<div id="<%= dom_id article %>" class="scaffold_record">
+  <p>
+    <strong>Title:</strong>
+    <%= article.title %>
+  </p>
+
+  <p>
+    <strong>Text:</strong>
+    <%= article.text %>
+  </p>
+
+  <p>
+    <%= link_to "Show this article", article %>
+  </p>
+</div>

app/views/articles/_article.json.jbuilder

@@ -0,0 +1,2 @@
+json.extract! article, :id, :title, :text, :created_at, :updated_at
+json.url article_url(article, format: :json)

app/views/articles/_form.html.erb

@@ -0,0 +1,27 @@
+<%= form_with(model: article) 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.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= form.label :title %>
+    <%= form.text_field :title %>
+  </div>
+
+  <div class="field">
+    <%= form.label :text %>
+    <%= form.text_area :text %>
+  </div>
+
+  <div class="actions">
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/articles/edit.html.erb

@@ -0,0 +1,10 @@
+<h1>Editing article</h1>
+
+<%= render "form", article: @article %>
+
+<br>
+
+<div>
+  <%= link_to "Show this article", @article %> |
+  <%= link_to "Back to articles", articles_path %>
+</div>

app/views/articles/index.html.erb

@@ -0,0 +1,9 @@
+<p id="notice"><%= notice %></p>
+
+<h1>Article</h1>
+
+<div id="articles">
+  <%= render @articles %>
+</div>
+
+<%= link_to "New article", new_article_path %>

app/views/articles/index.json.jbuilder

@@ -0,0 +1 @@
+json.array! @articles, partial: "articles/article", as: :article

app/views/articles/new.html.erb

@@ -0,0 +1,9 @@
+<h1>New article</h1>
+
+<%= render "form", article: @article %>
+
+<br>
+
+<div>
+  <%= link_to "Back to articles", articles_path %>
+</div>

app/views/articles/show.html.erb

@@ -0,0 +1,10 @@
+<p id="notice"><%= notice %></p>
+
+<%= render @article %>
+
+<div>
+  <%= link_to "Edit this article", edit_article_path(@article) %> |
+  <%= link_to "Back to articles", articles_path %>
+
+  <%= button_to "Destroy this article", article_path(@article), method: :delete %>
+</div>

app/views/articles/show.json.jbuilder

@@ -0,0 +1 @@
+json.partial! "articles/article", article: @article

app/views/welcome/index.html.erb

@@ -0,0 +1,3 @@
+<h1>Welcome</h1>
+
+<%= link_to "Articles", articles_path %>