Added duplicate quizz url

src/main/java/com/bernard/misael/service/QuizzManager.java

@@ -35,4 +35,5 @@ public interface QuizzManager {
     public JsonNode getQuizzFormData(User user, long quizzFormId);
     public JsonNode getQuizzFormAdvancments(User user, long quizzId);
     
+    public Quizz duplicateQuizz(User user, long quizzId);
 }

src/main/java/com/bernard/misael/service/QuizzManagerImpl.java

@@ -521,6 +521,36 @@ public class QuizzManagerImpl implements QuizzManager {
         return out;
     }
 
+    @Override
+    public Quizz duplicateQuizz(User u, long quizzId) {
+        if (!canEditQuizz(u, quizzId))
+            return null;
+        Optional<Quizz> oq = qRepository.findById(quizzId);
+        // CHECKED BEFORE if (oq.isEmpty()) return null;
+        Quizz q = oq.get();
+
+
+        Quizz nq = new Quizz();
+        nq.setName(q.getName() + "("+ Integer.toHexString((int)(Math.random()*0xFFFFFFF)) +")");
+        nq.setOwner(q.getOwner());
+        nq.setQuestionCount(q.getQuestionCount());
+        nq.setPublic(q.isPublic());
+        nq.setComplete(q.isComplete());
+
+        nq = qRepository.save(nq);
+        
+        // We duplicate questions
+        for (Question qu : q.getQuestions()) {
+            Question nqu = new Question();
+            nqu.setIndex(qu.getIndex());
+            nqu.setType(qu.getType());
+            nqu.setValue(qu.getValue());
+            nqu.setQuizz(nq);
+            questionRepository.save(nqu);
+        }
+        return nq;
+    }
+
     
 
 }

src/main/java/com/bernard/misael/web/QuestionsController.java

@@ -150,6 +150,22 @@ public class QuestionsController {
         return new ResponseEntity<>(out, HttpStatus.OK);
     }
 
+    /*
+     * API get the form
+     */
+    @GetMapping("/duplicate-quizz/{id}")
+    public Object duplicateQuizz(@PathVariable("id") long id, Principal p) {
+        User u = null;
+        if (p!=null)
+            u = ur.findByName(p.getName());
+        if(u==null)
+            return "redirect:/login?restricted";
+        Quizz q = qm.duplicateQuizz(u, id);
+        if(q == null)
+            return new ResponseEntity<>(HttpStatus.UNAUTHORIZED);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+
     @GetMapping("/form/{q}")
     public String formpage(@PathVariable("q") long quizzId, Principal p, Model m) {
         if (p==null)