Added CRUD pages for the quiz model

app/controllers/multiple_choice_questions_controller.rb

@@ -55,7 +55,11 @@ def edit
   end
 
   def update
-    @multiple_choice_question = MultipleChoiceQuestion.find(params[:id])
+    begin
+      @multiple_choice_question = MultipleChoiceQuestion.find(params[:id])
+    rescue
+      redirect_to multiple_choice_questions_url, alert: 'Error: Multiple choice question not found'
+    end
     if @multiple_choice_question.update(params.require(:multiple_choice_question).permit(:question, :answer, :distractor_1, :distractor_2, :distractor_3, :distractor_4))
       redirect_to multiple_choice_question_url(@multiple_choice_question), notice: 'Multiple choice question was successfully updated.'
     else
@@ -65,7 +69,11 @@ def update
   end
 
   def destroy
-    @multiple_choice_question = MultipleChoiceQuestion.find(params[:id])
+    begin
+      @multiple_choice_question = MultipleChoiceQuestion.find(params[:id])
+    rescue
+      redirect_to multiple_choice_questions_url, alert: 'Error: Multiple choice question not found'
+    end
     @multiple_choice_question.destroy
     redirect_to multiple_choice_questions_url, notice: 'Multiple choice question was successfully destroyed.'
   end

app/controllers/quizzes_controller.rb

@@ -10,4 +10,66 @@ def home
     # render 'quizzes/home.html.erb'
   end
 
+  def index
+    @quizzes = Quiz.all
+    # render 'quizzes/index.html.erb'
+  end
+
+  def show
+    begin
+      @quiz = Quiz.find(params[:id])
+    rescue
+      redirect_to quizzes_url, alert: 'Error: Quiz not found'
+    end
+    # render 'quizzes/show.html.erb'
+  end
+
+  def new
+    @quiz = Quiz.new
+    # render 'quizzes/new.html.erb'
+  end
+
+  def create
+    @quiz = Quiz.new(params.require(:quiz).permit(:title, :description))
+    if @quiz.save
+      redirect_to quiz_url(@quiz), notice: 'Quiz was successfully created.'
+    else
+      flash.now[:alert] = 'Error! Unable to create quiz.'
+      render :new
+    end
+  end
+
+  def edit
+    begin
+      @quiz = Quiz.find(params[:id])
+    rescue
+      redirect_to quizzes_url, alert: 'Error: Quiz not found'
+    end
+    # render 'quizzes/edit.html.erb'
+  end
+
+  def update
+    begin
+      @quiz = Quiz.find(params[:id])
+    rescue
+      redirect_to quizzes_url, alert: 'Error: Quiz not found'
+    end
+    if @quiz.update(params.require(:quiz).permit(:title, :description))
+      redirect_to quiz_url(@quiz), notice: 'Quiz was successfully updated.'
+    else
+      flash.now[:alert] = 'Error! Unable to update quiz.'
+      render :edit
+    end
+  end
+
+  def destroy
+    begin
+      @quiz = Quiz.find(params[:id])
+    rescue
+      redirect_to quizzes_url, alert: 'Error: Quiz not found'
+    end
+    @quiz.destroy
+    redirect_to quizzes_url, notice: 'Quiz was successfully destroyed.'
+  end
+
 end

app/views/layouts/application.html.erb

@@ -25,8 +25,8 @@
           <li class="nav-item <%= active_class(about_path) %>">
             <%= link_to 'About', about_path, class: 'nav-link' %>
           </li>
-          <li class="nav-item <%= active_class(multiple_choice_questions_path) %>">
-            <%= link_to 'Teachers', multiple_choice_questions_path, class: 'nav-link' %>
+          <li class="nav-item <%= active_class(quizzes_path) %>">
+            <%= link_to 'Teachers', quizzes_path, class: 'nav-link' %>
           </li>
 <%
 =begin

app/views/quizzes/_form.html.erb

@@ -0,0 +1,30 @@
+
+<%= form_with model: quiz, local: true do |form| %>
+  <div class="field">
+    <%= form.label :title %>
+    <%= form.text_field :title, class: 'form-control' %>
+    <% if quiz.errors.full_messages_for(:title).any? %>
+      <div class="invalid-feedback">
+        <% quiz.errors.full_messages_for(:title).each do |error_message| %>
+          <%= error_message %>.
+        <% end %>
+      </div>
+    <% end %>
+  </div>
+
+  <div class="field">
+    <%= form.label :description %>
+    <%= form.text_field :description, class: 'form-control' %>
+    <% if quiz.errors.full_messages_for(:description).any? %>
+      <div class="invalid-feedback">
+        <% quiz.errors.full_messages_for(:description).each do |error_message| %>
+          <%= error_message %>.
+        <% end %>
+      </div>
+    <% end %>
+  </div>
+
+  <div class="actions">
+    <%= form.submit 'Submit', class: 'btn btn-primary' %>
+  </div>
+<% end %>

app/views/quizzes/edit.html.erb

@@ -0,0 +1,13 @@
+<% provide(:title, 'Edit Quiz') %>
+
+<main role="main" class="container">
+
+  <h1>Edit Quiz</h1>
+
+  <%= render 'form', quiz: @quiz %>
+
+  <p>
+    <%= link_to 'Back', quizzes_path %>
+  </p>
+
+</main><!-- /.container -->

app/views/quizzes/index.html.erb

@@ -0,0 +1,34 @@
+<% provide(:title, 'Quizzes') %>
+
+<main role="main" class="container">
+
+  <h1>Quizzes</h1>
+
+  <table class="table table-sm">
+    <thead>
+      <tr>
+        <th scope="col">Title</th>
+        <th scope="col">Description</th>
+        <th scope="col"></th>
+      </tr>
+    </thead>
+    <tbody>
+      <% @quizzes.each do |quiz| %>
+        <tr>
+          <td><%= quiz.title %></td>
+          <td><%= quiz.description %></td>
+          <td>
+            <%= link_to 'Show', quiz_path(quiz) %>
+            <%= link_to 'Edit', edit_quiz_path(quiz) %>
+            <%= link_to 'Destroy', quiz_path(quiz), method: :delete %>
+          </td>
+        </tr>
+      <% end %>
+    </tbody>
+  </table>
+
+  <p>
+    <%= link_to 'New Quiz', new_quiz_path %>
+  </p>
+
+</main><!-- /.container -->

app/views/quizzes/new.html.erb

@@ -0,0 +1,13 @@
+<% provide(:title, 'New Quiz') %>
+
+<main role="main" class="container">
+
+  <h1>New Quiz</h1>
+
+  <%= render 'form', quiz: @quiz %>
+
+  <p>
+    <%= link_to 'Back', quizzes_path %>
+  </p>
+
+</main><!-- /.container -->

app/views/quizzes/show.html.erb

@@ -0,0 +1,18 @@
+<% provide(:title, 'Show Quiz') %>
+
+<main role="main" class="container">
+
+  <p>
+    <b>Title:</b> <%= @quiz.title %>
+  </p>
+
+  <p>
+    <b>Description:</b> <%= @quiz.description %>
+  </p>
+
+  <p>
+    <%= link_to 'Edit', edit_quiz_path(@quiz) %> |
+    <%= link_to 'Back', quizzes_path %>
+  </p>
+
+</main><!-- /.container -->

config/routes.rb

@@ -17,6 +17,14 @@
   delete 'multiple_choice_questions/:id', to: 'multiple_choice_questions#destroy'
 
   get 'quizzes/:id/home', to: 'quizzes#home', as: 'quiz_home'
+  get 'quizzes', to: 'quizzes#index', as: 'quizzes'
+  post 'quizzes', to: 'quizzes#create'
+  get 'quizzes/new', to: 'quizzes#new', as: 'new_quiz'
+  get 'quizzes/:id/edit', to: 'quizzes#edit', as: 'edit_quiz'
+  get 'quizzes/:id', to: 'quizzes#show', as: 'quiz'
+  put 'quizzes/:id', to: 'quizzes#update'
+  patch 'quizzes/:id', to: 'quizzes#update'
+  delete 'quizzes/:id', to: 'quizzes#destroy'
 
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
 end