Fixes upload of legacy quizzes from arsnova.click v1

src/db/quiz/QuizDAO.ts

@@ -111,11 +111,18 @@ class QuizDAO extends AbstractDAO<Array<IQuizEntity>> {
     });
   }
 
-  public convertLegacyQuiz(legacyQuiz: any): void {
+  public convertLegacyQuiz(legacyQuiz: any): QuizEntity {
     legacyQuiz = this.replaceTypeInformationOnLegacyQuiz(legacyQuiz);
     if (legacyQuiz.hasOwnProperty('configuration')) {
       // Detected old v1 arsnova.click quiz
-      // noinspection TypeScriptUnresolvedVariable
+      legacyQuiz.name = legacyQuiz.hashtag;
+      delete legacyQuiz.hashtag;
+
+      legacyQuiz.currentQuestionIndex = 0;
+      legacyQuiz.expiry = null;
+      legacyQuiz.currentStartTimestamp = -1;
+      legacyQuiz.readingConfirmationRequested = false;
+
       legacyQuiz.sessionConfig = {
         music: {
           titleConfig: {
@@ -149,6 +156,8 @@ class QuizDAO extends AbstractDAO<Array<IQuizEntity>> {
       };
       delete legacyQuiz.configuration;
     }
+
+    return legacyQuiz;
   }
 
   public async addQuiz(quizDoc: IQuizSerialized): Promise<IQuizEntity> {

src/routers/rest/QuizRouter.ts

@@ -148,7 +148,7 @@ export class QuizRouter extends AbstractRouter {
     uploadedFiles.forEach(file => {
       quizData.push({
         fileName: file.originalname,
-        quiz: JSON.parse(file.buffer.toString('UTF-8')),
+        quiz: QuizDAO.convertLegacyQuiz(JSON.parse(file.buffer.toString('UTF-8'))),
       });
     });
 
@@ -178,7 +178,10 @@ export class QuizRouter extends AbstractRouter {
     return {
       status: StatusProtocol.Success,
       step: MessageProtocol.UploadFile,
-      payload: { duplicateQuizzes },
+      payload: {
+        duplicateQuizzes,
+        quizData: quizData.filter(insertedQuiz => !duplicateQuizzes.find(duplicateQuiz => duplicateQuiz.fileName === insertedQuiz.fileName)),
+      },
     };
   }