SEBSERV-585 fixed by saving BEK separately

Author: anhefti

src/main/java/ch/ethz/seb/sebserver/gui/content/exam/ExamForm.java

@@ -195,8 +195,6 @@ public void compose(final PageContext pageContext) {
                             .onError(error -> pageContext.notifyLoadError(EntityType.EXAM, error))
                             .getOrThrow();
 
-
-
         // new PageContext with actual EntityKey
         final EntityKey entityKey = (readonly || !newExamNoLMS) ? pageContext.getEntityKey() : null;
         final PageContext formContext = pageContext.withEntityKey(exam.getEntityKey());

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/ExamDAO.java

@@ -249,6 +249,6 @@ default Result<Exam> releaseLock(final Exam exam, final String updateId) {
     void markLMSAvailability(final String externalQuizId, final boolean available, final String updateId);
 
     void updateQuitPassword(Exam exam, String quitPassword);
-
-
+    
+    void saveBrowserExamKeys(Long examId, String bek);
 }

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamDAOImpl.java

@@ -248,6 +248,13 @@ public void updateQuitPassword(final Exam exam, final String quitPassword) {
                 .onError(err -> log.error("Failed to update quit password on exam: {}", exam, err));
     }
 
+    @Override
+    public void saveBrowserExamKeys(final Long examId, final String bek) {
+        this.examRecordDAO
+                .saveBrowserExamKeys(examId, bek)
+                .onError(err -> log.error("Failed to update Browser Exam Keys on exam: {}", examId, err));
+    }
+
     @Override
     public Result<Exam> setSEBRestriction(final Long examId, final boolean sebRestriction) {
         return this.examRecordDAO

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/ExamRecordDAO.java

@@ -598,6 +598,22 @@ public Result<Collection<ExamRecord>> allOf(final Set<Long> pks) {
         });
     }
 
+    @Transactional
+    public Result<ExamRecord> saveBrowserExamKeys(final Long examId, final String bek) {
+        return Result.tryCatch(() -> {
+
+            UpdateDSL.updateWithMapper(examRecordMapper::update, ExamRecordDynamicSqlSupport.examRecord)
+                    .set(browserKeys).equalTo(bek)
+                    .set(lastModified).equalTo(Utils.getMillisecondsNow())
+                    .where(id,  isEqualTo(examId))
+                    .build()
+                    .execute();
+
+            return this.examRecordMapper.selectByPrimaryKey(examId);
+        })
+        .onError(TransactionHandler::rollback);
+    }
+
     private String getEncryptedQuitPassword(final String pwd) {
         return (StringUtils.isNotBlank(pwd))
                 ?  this.cryptor
@@ -609,3 +625,4 @@ private String getEncryptedQuitPassword(final String pwd) {
     }
 
 }
+

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/SEBRestrictionServiceImpl.java

@@ -259,20 +259,11 @@ public Result<Exam> saveSEBRestrictionToExam(final Exam exam, final SEBRestricti
         return Result.tryCatch(() -> {
             // save Browser Exam Keys
             final Collection<String> browserExamKeys = sebRestriction.getBrowserExamKeys();
-            final Exam newExam = new Exam(
-                    exam.id,
-                    null, null, null, null, null, null, null, null, null,
-                    exam.supporter,
-                    exam.status,
-                    null,
-                    null,
+            this.examDAO.saveBrowserExamKeys(
+                            exam.id,
                     (browserExamKeys != null && !browserExamKeys.isEmpty())
                             ? StringUtils.join(browserExamKeys, Constants.LIST_SEPARATOR_CHAR)
-                            : StringUtils.EMPTY,
-                    null, null, null, null, null);
-
-            this.examDAO.save(newExam)
-                    .getOrThrow();
+                            : StringUtils.EMPTY);
 
             // save additional restriction properties
             // remove old ones first by collecting its id's and then delete by id's