Implement CRUD actions and fix tests

app/assets/config/manifest.js

@@ -1,4 +1,4 @@
 //= link_tree ../images
-//= link_directory ../stylesheets .css
 //= link_tree ../../javascript .js
 //= link_tree ../../../vendor/javascript .js
+//= link_tree ../builds

app/assets/stylesheets/application.bootstrap.scss

@@ -0,0 +1,2 @@
+@import 'bootstrap/scss/bootstrap';
+@import 'bootstrap-icons/font/bootstrap-icons';

app/controllers/articles_controller.rb

@@ -0,0 +1,69 @@
+class ArticlesController < ApplicationController
+  # Ensures that the set_article method is called before the specified actions
+  before_action :set_article, only: %i[show edit update destroy]
+
+  # Displays a list of articles, filtered by title if a query parameter is present
+  def index
+    if params[:query].present?
+      @articles = Article.where("title LIKE ?", params[:query])
+    else
+      @articles = Article.all
+    end
+  end
+
+  # Displays the details of a specific article
+  def show
+  end
+
+  # Initializes a new article instance for creation
+  def new
+    @article = Article.new
+  end
+
+  # Renders the form for editing an existing article
+  def edit
+  end
+
+  # Creates a new article based on parameters, and renders turbo_stream if successful
+  def create
+    @article = Article.new(article_params)
+    if @article.save
+      respond_to do |format|
+        format.turbo_stream
+      end
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  # Updates an existing article with the provided parameters, redirects on success
+  def update
+    if @article.update(article_params)
+      respond_to do |format|
+        format.html { redirect_to article_url(@article), notice: "Article was successfully updated." }
+      end
+    else
+      format.html { render :edit, status: :unprocessable_entity }
+    end
+  end
+
+  # Destroys the specified article instance, rendering turbo_stream
+  def destroy
+    @article.destroy!
+
+    respond_to do |format|
+      format.turbo_stream
+    end
+  end
+
+  private
+    # Sets the @article instance variable based on the provided ID parameter
+    def set_article
+      @article = Article.find(params[:id])
+    end
+
+    # Defines the permitted parameters for article creation and updates
+    def article_params
+      params.require(:article).permit(:title, :content, :author, :date)
+    end
+end

app/helpers/articles_helper.rb

@@ -0,0 +1,9 @@
+module ArticlesHelper
+  def display_errors_for_field(object, field)
+    if object.errors.any?
+      object.errors.full_messages_for(field).each do |message|
+        concat content_tag(:div, message, class: 'text-danger')
+      end
+    end
+  end
+end

app/javascript/application.js

@@ -1,3 +1,4 @@
 // Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
 import "@hotwired/turbo-rails"
 import "controllers"
+import * as bootstrap from "bootstrap"

app/models/article.rb

@@ -0,0 +1,10 @@
+class Article < ApplicationRecord
+  # Validates presence of title and content fields
+  validates :title, presence: true
+  validates :content, presence: true
+
+  # Defines a class method to search for articles based on a query
+  def self.search(query)
+    where("title LIKE :query OR content LIKE :query", query: "%#{query}%")
+  end
+end

app/views/articles/_article.html.erb

@@ -0,0 +1,28 @@
+<%= turbo_frame_tag article do %>
+<div class="card p-4 mt-2">
+    <p>
+      <strong>Title:</strong>
+      <%= link_to article.title, article, data: { turbo_frame: '_top'} %>
+    </p>
+
+    <p>
+      <strong>Content:</strong>
+      <%= article.content %>
+    </p>
+
+    <p>
+      <strong>Author:</strong>
+      <%= article.author %>
+    </p>
+
+    <p>
+      <strong>Date:</strong>
+      <%= article.date %>
+    </p>
+
+      <div class="d-flex gap-2">
+        <%= link_to 'Edit', edit_article_path(article), class: 'btn btn-success w-100' %>
+        <%= button_to 'Delete', article_path(article), method: :delete, class: 'btn btn-danger'%>
+      </div>
+  </div>
+<% end %>

app/views/articles/_form.html.erb

@@ -0,0 +1,30 @@
+<div class="card p-4 mt-1">
+  <%= form_with(model: article) do |form| %>
+
+    <div>
+      <%= form.label :title, style: "display: block" %>
+      <%= form.text_field :title, class: 'form-control' %>
+      <% display_errors_for_field(@article, :title) %>
+    </div>
+
+    <div>
+      <%= form.label :content, style: "display: block" %>
+      <%= form.text_field :content, class: 'form-control' %>
+      <% display_errors_for_field(@article, :content) %>
+    </div>
+
+    <div>
+      <%= form.label :author, style: "display: block" %>
+      <%= form.text_field :author, class: 'form-control' %>
+    </div>
+
+    <div>
+      <%= form.hidden_field :date, class: 'form-control', value: Time.now %>
+    </div>
+
+    <div class="d-flex gap-2">
+      <%= form.submit class: 'btn btn-success mt-2  w-100' %>
+      <%= link_to 'Cancel', root_path, class: 'btn btn-danger mt-2'%>
+    </div>
+  <% end %>
+</div>

app/views/articles/create.turbo_stream.erb

@@ -0,0 +1,5 @@
+<%= turbo_stream.append "articles" do%>
+  <%= render 'articles/article', article: @article%>
+<% end %>
+
+<%= turbo_stream.update Article.new, '' %>

app/views/articles/destroy.turbo_stream.erb

@@ -0,0 +1 @@
+<%= turbo_stream.remove @article %>

app/views/articles/edit.html.erb

@@ -0,0 +1,3 @@
+<%= turbo_frame_tag @article do %>
+  <%= render "form", article: @article %>
+<% end %>

app/views/articles/index.html.erb

@@ -0,0 +1,24 @@
+<h1 class="text-dark fw-bold">Encyclopedia</h1>
+<p class="text-muted">CRUD with Rails</p>
+<hr>
+
+<%= form_with(url: articles_path, method: :get, data: { turbo_frame: "article", turbo_action: 'advance' }) do |form| %>
+  <div class="d-flex gap-1">
+    <%= form.text_field :query, class: 'form-control' %>
+    <%= form.submit class: 'btn btn-success' %>
+    <% if params[:query].present? %>
+      <%= link_to 'Clear', articles_path, class: 'btn btn-danger' %>
+    <% end %>
+  </div>
+<% end %>
+
+<hr>
+
+<%= link_to 'Add Article', new_article_path, data: { turbo_frame: dom_id(Article.new) }, class: 'btn btn-dark' %>
+<%= turbo_frame_tag Article.new %>
+
+<div id="articles" class="d-flex gap-3">
+  <% @articles.each do |article| %>
+    <%= render article %>
+  <% end %>
+</div>

app/views/articles/new.html.erb

@@ -0,0 +1,3 @@
+<%= turbo_frame_tag @article do%>
+  <%= render "form", article: @article %>
+<% end %>

app/views/articles/show.html.erb

@@ -0,0 +1 @@
+<%= render @article %>

app/views/articles/update.turbo_stream.erb

@@ -0,0 +1 @@
+<%= turbo_stream.update @article %>

app/views/layouts/application.html.erb

@@ -11,6 +11,8 @@
   </head>
 
   <body>
-    <%= yield %>
+    <div class="container mt-5">
+      <%= yield %>
+    </div>
   </body>
 </html>

config/importmap.rb

@@ -5,3 +5,4 @@
 pin "@hotwired/stimulus", to: "stimulus.min.js", preload: true
 pin "@hotwired/stimulus-loading", to: "stimulus-loading.js", preload: true
 pin_all_from "app/javascript/controllers", under: "controllers"
+pin "bootstrap", to: "bootstrap.min.js"

config/initializers/assets.rb

@@ -5,8 +5,12 @@
 
 # Add additional assets to the asset load path.
 # Rails.application.config.assets.paths << Emoji.images_path
+Rails.application.config.assets.paths << Rails.root.join("node_modules/bootstrap/dist/js")
+Rails.application.config.assets.paths << Rails.root.join("node_modules/bootstrap-icons/font")
+Rails.application.config.assets.paths << Rails.root.join("node_modules/bootstrap/dist/js")
 
 # Precompile additional assets.
 # application.js, application.css, and all non-JS/CSS in the app/assets
 # folder are already added.
 # Rails.application.config.assets.precompile += %w( admin.js admin.css )
+Rails.application.config.assets.precompile << "bootstrap.min.js"

config/routes.rb

@@ -1,10 +1,6 @@
 Rails.application.routes.draw do
-  # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
-
-  # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.
-  # Can be used by load balancers and uptime monitors to verify that the app is live.
+  root "articles#index"
+  get '/search', to: "articles#search"
+  resources :articles
   get "up" => "rails/health#show", as: :rails_health_check
-
-  # Defines the root path route ("/")
-  # root "posts#index"
 end

db/migrate/20240129153043_create_articles.rb

@@ -0,0 +1,11 @@
+class CreateArticles < ActiveRecord::Migration[7.1]
+  def change
+    create_table :articles do |t|
+      t.string :title
+      t.string :content
+      t.string :author
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240129173106_add_date_to_article.rb

@@ -0,0 +1,5 @@
+class AddDateToArticle < ActiveRecord::Migration[7.1]
+  def change
+    add_column :articles, :date, :datetime
+  end
+end

test/fixtures/articles.yml

@@ -0,0 +1,11 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+# one:
+#   title: MyString
+#   content: MyString
+#   author: MyString
+
+# two:
+#   title: MyString
+#   content: MyString
+#   author: MyString