Backend Challenge - Encyclopedia CRUD Implementation [Damanjit Gill]

Gemfile.lock

@@ -147,6 +147,8 @@ GEM
       racc (~> 1.4)
     nokogiri (1.15.5-aarch64-linux)
       racc (~> 1.4)
+    nokogiri (1.15.5-x64-mingw32)
+      racc (~> 1.4)
     nokogiri (1.15.5-x86_64-linux)
       racc (~> 1.4)
     psych (5.1.1.1)
@@ -215,6 +217,7 @@ GEM
     sqlite3 (1.6.9)
       mini_portile2 (~> 2.8.0)
     sqlite3 (1.6.9-aarch64-linux)
+    sqlite3 (1.6.9-x64-mingw32)
     sqlite3 (1.6.9-x86_64-linux)
     stimulus-rails (1.3.0)
       railties (>= 6.0.0)
@@ -227,6 +230,8 @@ GEM
       railties (>= 6.0.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    tzinfo-data (1.2023.4)
+      tzinfo (>= 1.0.0)
     web-console (4.2.1)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -248,6 +253,7 @@ GEM
 PLATFORMS
   aarch64-linux
   ruby
+  x64-mingw32
   x86_64-linux
 
 DEPENDENCIES

app/controllers/articles_controller.rb

@@ -0,0 +1,52 @@
+class ArticlesController < ApplicationController
+  def index
+    @articles = Article.all
+
+    if params[:query]
+      @articles = Article.search params[:query]
+      @query = params[:query]
+    end
+  end
+
+  def show
+      @article = Article.find(params[:id])
+  end
+
+  def new
+      @article = Article.new
+  end
+
+  def create
+      @article = Article.new(article_params)
+
+      if @article.save
+          redirect_to @article, notice: "Successfully created new article!"
+      else
+          render :new, status: :unprocessable_entity
+      end
+  end
+
+  def edit
+    @article = Article.find(params[:id])
+  end
+
+  def update
+    @article = Article.find(params[:id])
+    if @article.update(article_params)
+      redirect_to @article, notice: "Successfully updated article!"
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    @article = Article.find(params[:id])
+    @article.destroy
+    redirect_to root_path, notice: "Successfully deleted article!"
+  end
+
+  private
+    def article_params
+        params.require(:article).permit(:title, :content, :author, :date)
+    end
+end

app/helpers/articles_helper.rb

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

app/models/article.rb

@@ -0,0 +1,12 @@
+class Article < ApplicationRecord
+    def self.search(query)
+        # search by checking both title and content of articles
+        return Article.where("title LIKE ? OR content LIKE ?", "%#{query}%", "%#{query}%")
+    end
+
+    # title must be present and has a maximum length
+    validates :title, presence: true, length: {minimum: 1, maximum: 200}
+    # content must be present
+    validates :content, presence: true, length: { minimum: 10 }
+
+end

app/views/articles/_form.html.erb

@@ -0,0 +1,37 @@
+<%= form_with model: @article do |form| %>
+  <div>
+    <%= form.label :title, "Article Title" %><br>
+    <%= form.text_field :title %>
+    <% @article.errors.full_messages_for(:title).each do |message| %>
+      <div><%= message %></div>
+    <% end %>
+  </div>
+
+  <div>
+    <%= form.label :content, "Article Content" %><br>
+    <%= form.text_area :content %><br>
+    <% @article.errors.full_messages_for(:content).each do |message| %>
+      <div><%= message %></div>
+    <% end %>
+  </div>
+
+  <div>
+    <%= form.label :author "Author" %><br>
+    <%= form.text_area :author %><br>
+    <% @article.errors.full_messages_for(:author).each do |message| %>
+      <div><%= message %></div>
+    <% end %>
+  </div>
+
+  <div>
+    <%= form.label :date "Date Authored"%><br>
+    <%= form.date_select :date, include_blank: true, start_year:1990, end_year: 2024 %><br>
+    <% @article.errors.full_messages_for(:date).each do |message| %>
+      <div><%= message %></div>
+    <% end %>
+  </div>
+
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/articles/edit.html.erb

@@ -0,0 +1,2 @@
+<h1>Edit Article</h1>
+<%= render 'form', article: @article %>

app/views/articles/index.html.erb

@@ -0,0 +1,15 @@
+<%= flash[:notice] %>
+<h1>Encyclopedia</h1>
+<%= form_tag "/articles", method: "GET" do %>
+    <%= label_tag "Filter articles" %>
+    <%= text_field_tag :query, params[:query] %>
+    <%= submit_tag "Search" %>
+<% end %>
+List of articles:
+<ul>
+    <% @articles.each do |article| %> 
+        <li>
+            <%= link_to article.title, article %>
+        </li>
+    <% end %>
+</ul>

app/views/articles/new.html.erb

@@ -0,0 +1,2 @@
+<h1>New Article</h1>
+<%= render 'form', article: @article %>

app/views/articles/show.html.erb

@@ -0,0 +1,14 @@
+<%= flash[:notice] %>
+<h1><%= @article.title %></h1>
+<h3><%= @article.author %></h3>
+<h4><%= @article.date %></h4>
+<p><%= @article.content %></p>
+
+<ul>
+    <li><%= link_to "Edit this article", edit_article_path(@article) %></li>
+    <li><%= link_to "Delete this article", article_path(@article), data: {
+        turbo_method: :delete, 
+        turbo_confirm: "Are you sure? Once deleted, this article cannot be recovered."
+    } %> </li>
+</ul>
+

config/routes.rb

@@ -4,7 +4,7 @@
   # 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.
   get "up" => "rails/health#show", as: :rails_health_check
-
-  # Defines the root path route ("/")
-  # root "posts#index"
+  
+  root "articles#index"
+  resources :articles
 end

db/migrate/20240130012421_create_articles.rb

@@ -0,0 +1,10 @@
+class CreateArticles < ActiveRecord::Migration[7.1]
+  def change
+    create_table :articles do |t|
+      t.string :title
+      t.text :content
+      t.string :author
+      t.datetime :date
+    end
+  end
+end

test/controllers/articles_controller_test.rb

@@ -0,0 +1,5 @@
+require "test_helper"
+
+class ArticlesControllerTest < ActionDispatch::IntegrationTest
+
+end