candidate login/logout

app/controllers/application_controller.rb

@@ -1,3 +1,7 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception
+
+  def current_candidate
+    @current_candidate ||= Candidate.find_by(test_hash: session[:test_id])
+  end
 end

app/controllers/candidate_controller.rb

@@ -26,14 +26,24 @@ class CandidateController < ApplicationController
   end
 
   def thankyou
+    redirect_to root_path if session[:test_id].nil?
+    reset_session
   end
 
   def saved
   end
 
   def validate
+    candidate = Candidate.find_by(test_hash: params['test_id'])
+
+    if candidate.nil?
+      reset_session
+      redirect_to root_path, alert: "Sorry, incorrect test id"
+    else
+      session[:test_id] = candidate.test_hash
       redirect_to :question
     end
+  end
 
   def live_coder
     @question = Question.find(params[:question_id])
@@ -41,9 +51,9 @@ class CandidateController < ApplicationController
     render layout: false
   end
 
-  # private
-  #
-  #   def question_params
-  #     params.permit(:save)
-  #   end
+  private
+
+    def question_params
+      params.permit(:save)
+    end
 end

app/views/candidate/welcome.html.erb

@@ -1,8 +1,8 @@
 <% content_for :title, "Skills Assessment" %>
 
-<!-- if (isset($_SESSION['candidateId'])) { ?> -->
+<% if session[:test_id].present? %>
 
-<main class="intro_tpl">
+  <main class="intro_tpl">
     <h1 class="prft-heading">Oops!</h1>
     <p>
       Looks like you hit the browser's Back button. You can't go backwards in the test,
@@ -10,11 +10,11 @@
     </p>
 
     <a href="<%= question_path %>"><button>Continue Test</button></a>
-</main>
+  </main>
 
-<!-- <?php } else { ?> -->
+<% else %>
 
-<main class="intro_tpl">
+  <main class="intro_tpl">
     <h1 class="prft-heading">Let's Get Started</h1>
     <p>
       This is a skills assessment test. It's the first step in the process of interviewing
@@ -37,8 +37,10 @@
     <%= form_tag(validate_candidate_path) do %>
       <div class="form-group">
         <label for="userid">What's your User ID?</label>
-      <input type="text" id="userId" name="userId" required/>
+        <input type="text" id="test_id" name="test_id" required/>
       </div>
       <button type="submit">Begin</button>
     <% end %>
-</main>
+  </main>
+
+<% end %>