Can change a validated question

Question.class.php

@@ -160,7 +160,11 @@ class Question
 
   public function setQuestion($question)
   {
-    $this->question = $question;
+    if ($this->question != $question)
+    {
+      $this->question = $question;
+      $this->validated = false;
+    }
   }
 
   public function getAnswer()
@@ -183,18 +187,22 @@ class Question
 
   public function setAnswer($answers)
   {
-    $this->answers = array();
-    if (!empty($answers))
+    if ($this->answers != $answers)
     {
-      if (is_array($answers))
-      {
-        foreach ($answers as $ans)
-          $this->answers[] = $ans;
-      }
-      else
-        $this->answers[] = $answers;
-    }
+      $this->answers = array();
+      $this->validated = false;
 
+      if (!empty($answers))
+      {
+        if (is_array($answers))
+        {
+          foreach ($answers as $ans)
+            $this->answers[] = $ans;
+        }
+        else
+          $this->answers[] = $answers;
+      }
+    }
   }
 
   function mail_utf8($to, $subject = '(No subject)',

changeQuestion.php

@@ -27,19 +27,26 @@
       </a>
       <h1>Nemubot Questions (BETA)</h1>
     </header>
+    <section id="introduction">
+      <article>
 <?php
 
 include("Question.class.php");
 include("QuestionsFile.class.php");
 
-$id = $_GET['id'];
+@$id = $_GET['id'];
 
 $fileQ = new QuestionsFile("questions.xml");
 $question = $fileQ->get_question($id);
+if (isset($question))
+{
 ?>
-    <section id="introduction">
-      <article>
-      <h2>Dernière chance pour changer d'avis</h2>
+        <h2><?php
+if ($question->isValidated())
+  echo "Cette question a déjà été validée ; si vous la modifiez, elle devra &ecirc;tre de nouveau valid&eacute;e";
+else
+  echo"Dernière chance pour changer d'avis";
+?></h2>
         <p>
           <strong>Cours concerné :</strong> <?php echo $question->getCourse()->getName(); ?><br><br>
           <strong>Question posée :</strong> <?php echo $question->getQuestion(); ?><br><br>
@@ -107,6 +114,10 @@ print '<script type="text/javascript">var nbAnswer = '.($max+1).';</script>';
             </p>
           </form>
         </article>
+<?php
+if (!$question->isValidated())
+{
+?>
         <article>
           <h2>... ou la confirmer telle quelle !</h2>
           <p>
@@ -120,6 +131,12 @@ print '<script type="text/javascript">var nbAnswer = '.($max+1).';</script>';
           <input type="submit" value="Je confirme">
         </form>
         <span style="clear: both; display: block;"></span>
+<?php
+}
+}
+else
+  header("Location: ./");
+?>
       </article>
     </section>
 <?php include('footer.html') ?>