added models: questions, quiz, categories

.gitignore

@@ -38,3 +38,4 @@
 /yarn-error.log
 yarn-debug.log*
 .yarn-integrity
+/coverage/*

.rspec

@@ -0,0 +1 @@
+--require spec_helper

.ruby-version

@@ -1 +1 @@
-2.7.3
+3.0.1

Gemfile

@@ -1,12 +1,12 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.7.3'
+ruby '3.0.1'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails', branch: 'main'
 gem 'rails', '~> 6.1.4'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3', '~> 1.4'
+gem 'pg'
 # Use Puma as the app server
 gem 'puma', '~> 5.0'
 # Use SCSS for stylesheets
@@ -27,19 +27,23 @@ gem 'jbuilder', '~> 2.7'
 
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.4.4', require: false
+gem 'devise'
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+  gem 'byebug', platforms: %i[mri mingw x64_mingw]
+  gem 'database_cleaner'
+  gem 'factory_bot_rails'
+  gem 'rspec-rails', '~> 5.0.0'
 end
 
 group :development do
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
   gem 'web-console', '>= 4.1.0'
   # Display performance information such as SQL time and flame graphs for each request in your browser.
   # Can be configured to work on production as well see: https://github.com/MiniProfiler/rack-mini-profiler/blob/master/README.md
-  gem 'rack-mini-profiler', '~> 2.0'
   gem 'listen', '~> 3.3'
+  gem 'rack-mini-profiler', '~> 2.0'
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
 end
@@ -49,8 +53,10 @@ group :test do
   gem 'capybara', '>= 3.26'
   gem 'selenium-webdriver'
   # Easy installation and use of web drivers to run system tests with browsers
+  gem 'faker'
+  gem 'simplecov', '0.17.1', require: false # CC last supported v0.17
   gem 'webdrivers'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]

Gemfile.lock

@@ -62,6 +62,7 @@ GEM
       zeitwerk (~> 2.3)
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
+    bcrypt (3.1.16)
     bindex (0.8.1)
     bootsnap (1.7.5)
       msgpack (~> 1.0)
@@ -78,14 +79,36 @@ GEM
     childprocess (3.0.0)
     concurrent-ruby (1.1.9)
     crass (1.0.6)
+    database_cleaner (2.0.1)
+      database_cleaner-active_record (~> 2.0.0)
+    database_cleaner-active_record (2.0.1)
+      activerecord (>= 5.a)
+      database_cleaner-core (~> 2.0.0)
+    database_cleaner-core (2.0.1)
+    devise (4.8.0)
+      bcrypt (~> 3.0)
+      orm_adapter (~> 0.1)
+      railties (>= 4.1.0)
+      responders
+      warden (~> 1.2.3)
+    diff-lcs (1.4.4)
+    docile (1.4.0)
     erubi (1.10.0)
+    factory_bot (6.2.0)
+      activesupport (>= 5.0.0)
+    factory_bot_rails (6.2.0)
+      factory_bot (~> 6.2.0)
+      railties (>= 5.0.0)
+    faker (2.18.0)
+      i18n (>= 1.6, < 2)
     ffi (1.15.3)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     jbuilder (2.11.2)
       activesupport (>= 5.0.0)
+    json (2.5.1)
     listen (3.5.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -104,6 +127,8 @@ GEM
     nokogiri (1.11.7)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
+    orm_adapter (0.5.0)
+    pg (1.2.3)
     public_suffix (4.0.6)
     puma (5.3.2)
       nio4r (~> 2.0)
@@ -146,6 +171,26 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.1.1)
+    responders (3.0.1)
+      actionpack (>= 5.0)
+      railties (>= 5.0)
+    rspec-core (3.10.1)
+      rspec-support (~> 3.10.0)
+    rspec-expectations (3.10.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-mocks (3.10.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.10.0)
+    rspec-rails (5.0.1)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
+      railties (>= 5.2)
+      rspec-core (~> 3.10)
+      rspec-expectations (~> 3.10)
+      rspec-mocks (~> 3.10)
+      rspec-support (~> 3.10)
+    rspec-support (3.10.2)
     rubyzip (2.3.2)
     sass-rails (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
@@ -161,6 +206,11 @@ GEM
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
     semantic_range (3.0.0)
+    simplecov (0.17.1)
+      docile (~> 1.1)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-html (0.10.2)
     spring (2.1.1)
     sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
@@ -169,14 +219,15 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sqlite3 (1.4.2)
     thor (1.1.0)
     tilt (2.0.10)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
+    warden (1.2.9)
+      rack (>= 2.0.9)
     web-console (4.1.0)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -205,23 +256,29 @@ DEPENDENCIES
   bootsnap (>= 1.4.4)
   byebug
   capybara (>= 3.26)
+  database_cleaner
+  devise
+  factory_bot_rails
+  faker
   jbuilder (~> 2.7)
   listen (~> 3.3)
+  pg
   puma (~> 5.0)
   rack-mini-profiler (~> 2.0)
   rails (~> 6.1.4)
+  rspec-rails (~> 5.0.0)
   sass-rails (>= 6)
   selenium-webdriver
+  simplecov (= 0.17.1)
   spring
-  sqlite3 (~> 1.4)
   turbolinks (~> 5)
   tzinfo-data
   web-console (>= 4.1.0)
   webdrivers
   webpacker (~> 5.0)
 
 RUBY VERSION
-   ruby 2.7.3p183
+   ruby 3.0.1p64
 
 BUNDLED WITH
-   2.1.4
+   2.2.15

app/assets/stylesheets/home.scss

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

app/assets/stylesheets/questions.scss

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

app/assets/stylesheets/scaffolds.scss

@@ -0,0 +1,65 @@
+body {
+  background-color: #fff;
+  color: #333;
+  margin: 33px; }
+
+body, p, ol, ul, td {
+  font-family: verdana, arial, helvetica, sans-serif;
+  font-size: 13px;
+  line-height: 18px; }
+
+pre {
+  background-color: #eee;
+  padding: 10px;
+  font-size: 11px; }
+
+a {
+  color: #000; }
+
+a:visited {
+  color: #666; }
+
+a:hover {
+  color: #fff;
+  background-color: #000; }
+
+th {
+  padding-bottom: 5px; }
+
+td {
+  padding: 0 5px 7px; }
+
+div.field,
+div.actions {
+  margin-bottom: 10px; }
+
+#notice {
+  color: green; }
+
+.field_with_errors {
+  padding: 2px;
+  background-color: red;
+  display: table; }
+
+#error_explanation {
+  width: 450px;
+  border: 2px solid red;
+  padding: 7px 7px 0;
+  margin-bottom: 20px;
+  background-color: #f0f0f0; }
+
+#error_explanation h2 {
+  text-align: left;
+  font-weight: bold;
+  padding: 5px 5px 5px 15px;
+  font-size: 12px;
+  margin: -7px -7px 0;
+  background-color: #c00;
+  color: #fff; }
+
+#error_explanation ul li {
+  font-size: 12px;
+  list-style: square; }
+
+label {
+  display: block; }

app/controllers/home_controller.rb

@@ -0,0 +1,4 @@
+class HomeController < ApplicationController
+  def index
+  end
+end

app/controllers/questions_controller.rb

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

app/helpers/home_helper.rb

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

app/helpers/questions_helper.rb

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

app/models/category.rb

@@ -0,0 +1,3 @@
+class Category < ApplicationRecord
+	has_many :questions
+end

app/models/question.rb

@@ -0,0 +1,4 @@
+class Question < ApplicationRecord
+  validates :title, presence: true
+  belongs_to :category
+end

app/models/quiz.rb

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

app/views/home/index.html.erb

@@ -0,0 +1,2 @@
+<h1>Home#index</h1>
+<p>Find me in app/views/home/index.html.erb</p>

app/views/questions/_form.html.erb

@@ -0,0 +1,17 @@
+<%= form_with(model: question) do |form| %>
+  <% if question.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(question.errors.count, "error") %> prohibited this question from being saved:</h2>
+
+      <ul>
+        <% question.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="actions">
+    <%= form.submit %>
+  </div>
+<% end %>

app/views/questions/_question.json.jbuilder

@@ -0,0 +1,2 @@
+json.extract! question, :id, :created_at, :updated_at
+json.url question_url(question, format: :json)