src/main/java/cz/muni/ics/kypo/training/adaptive/domain/phase/TrainingPhase.java

@@ -3,6 +3,8 @@ package cz.muni.ics.kypo.training.adaptive.domain.phase;
 import cz.muni.ics.kypo.training.adaptive.domain.phase.questions.QuestionPhaseRelation;
 
 import javax.persistence.*;
+import java.time.Clock;
+import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
 

src/main/java/cz/muni/ics/kypo/training/adaptive/facade/TaskFacade.java

@@ -19,6 +19,9 @@ import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.Clock;
+import java.time.LocalDateTime;
+
 
 @Service
 @Transactional

src/main/java/cz/muni/ics/kypo/training/adaptive/facade/TrainingDefinitionFacade.java

@@ -309,6 +309,7 @@ public class TrainingDefinitionFacade {
         if (authorsAddition != null && !authorsAddition.isEmpty()) {
             addAuthorsToTrainingDefinition(trainingDefinition, authorsAddition);
         }
+        trainingDefinition.setLastEdited(getCurrentTimeInUTC());
     }
 
     private void addAuthorsToTrainingDefinition(TrainingDefinition trainingDefinition, Set<Long> userRefIds) {
@@ -331,6 +332,9 @@ public class TrainingDefinitionFacade {
                 }
             }
         } while (authors.getPagination().getTotalPages() != page);
+    }
 
+    private LocalDateTime getCurrentTimeInUTC() {
+        return LocalDateTime.now(Clock.systemUTC());
     }
 }

src/main/java/cz/muni/ics/kypo/training/adaptive/service/phases/InfoPhaseService.java

@@ -46,6 +46,7 @@ public class InfoPhaseService {
     public InfoPhase createDefaultInfoPhase(Long trainingDefinitionId) {
         TrainingDefinition trainingDefinition = findDefinitionById(trainingDefinitionId);
         checkIfCanBeUpdated(trainingDefinition);
+        trainingDefinition.setLastEdited(getCurrentTimeInUTC());
 
         InfoPhase infoPhase = new InfoPhase();
         infoPhase.setContent("Content of info phase");
@@ -53,15 +54,14 @@ public class InfoPhaseService {
         infoPhase.setTrainingDefinition(trainingDefinition);
         infoPhase.setOrder(abstractPhaseRepository.getCurrentMaxOrder(trainingDefinitionId) + 1);
 
-        InfoPhase persistedEntity = infoPhaseRepository.save(infoPhase);
-        trainingDefinition.setLastEdited(getCurrentTimeInUTC());
-        return persistedEntity;
+        return infoPhaseRepository.save(infoPhase);
     }
 
     public InfoPhase updateInfoPhase(Long phaseId, InfoPhase infoPhaseToUpdate) {
         InfoPhase persistedInfoPhase = findInfoPhaseById(phaseId);
         TrainingDefinition trainingDefinition = persistedInfoPhase.getTrainingDefinition();
         checkIfCanBeUpdated(trainingDefinition);
+        trainingDefinition.setLastEdited(getCurrentTimeInUTC());
         infoPhaseToUpdate.setId(phaseId);
         infoPhaseToUpdate.setTrainingDefinition(trainingDefinition);
         infoPhaseToUpdate.setOrder(persistedInfoPhase.getOrder());

src/main/java/cz/muni/ics/kypo/training/adaptive/service/phases/PhaseService.java

@@ -103,6 +103,7 @@ public class PhaseService {
         }
         phaseFrom.setOrder(toOrder);
         trainingPhaseService.alignDecisionMatrixOfTrainingPhasesAfterMove(phaseFrom.getTrainingDefinition().getId(), trainingPhaseFromOrder, trainingPhaseToOrder);
+        phaseFrom.getTrainingDefinition().setLastEdited(getCurrentTimeInUTC());
         abstractPhaseRepository.save(phaseFrom);
     }
 

src/main/java/cz/muni/ics/kypo/training/adaptive/service/phases/QuestionnairePhaseService.java

@@ -76,6 +76,7 @@ public class QuestionnairePhaseService {
     public QuestionnairePhase updateQuestionnairePhase(Long phaseId, QuestionnairePhase questionnairePhaseToUpdate) {
         QuestionnairePhase persistedQuestionnairePhase = findQuestionnairePhaseById(phaseId);
         checkIfCanBeUpdated(persistedQuestionnairePhase.getTrainingDefinition());
+        persistedQuestionnairePhase.getTrainingDefinition().setLastEdited(getCurrentTimeInUTC());
 
         questionnairePhaseToUpdate.setId(phaseId);
         questionnairePhaseToUpdate.setTrainingDefinition(persistedQuestionnairePhase.getTrainingDefinition());

src/main/java/cz/muni/ics/kypo/training/adaptive/service/phases/TaskService.java

@@ -11,6 +11,9 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.time.Clock;
+import java.time.LocalDateTime;
+
 @Service
 public class TaskService {
 
@@ -32,11 +35,13 @@ public class TaskService {
         task.setContent("Task content ...");
         task.setSolution("Task solution ...");
         task.setIncorrectAnswerLimit(1);
+        task.getTrainingPhase().getTrainingDefinition().setLastEdited(getCurrentTimeInUTC());
         return taskRepository.save(task);
     }
 
     public Task createTask(Task task) {
         task.setOrder(taskRepository.getCurrentMaxOrder(task.getTrainingPhase().getId()) + 1);
+        task.getTrainingPhase().getTrainingDefinition().setLastEdited(getCurrentTimeInUTC());
         return taskRepository.save(task);
     }
 
@@ -50,10 +55,12 @@ public class TaskService {
         updatedTask.setId(taskId);
         updatedTask.setTrainingPhase(persistedTask.getTrainingPhase());
         updatedTask.setOrder(persistedTask.getOrder());
+        updatedTask.getTrainingPhase().getTrainingDefinition().setLastEdited(getCurrentTimeInUTC());
         return taskRepository.save(updatedTask);
     }
 
     public void removeTask(Task task) {
+        task.getTrainingPhase().getTrainingDefinition().setLastEdited(getCurrentTimeInUTC());
         taskRepository.decreaseOrderAfterTaskWasDeleted(task.getTrainingPhase().getId(), task.getOrder());
         taskRepository.delete(task);
     }
@@ -71,7 +78,12 @@ public class TaskService {
             return;
         }
 
+        task.getTrainingPhase().getTrainingDefinition().setLastEdited(getCurrentTimeInUTC());
         task.setOrder(newPosition);
         taskRepository.save(task);
     }
+
+    private LocalDateTime getCurrentTimeInUTC() {
+        return LocalDateTime.now(Clock.systemUTC());
+    }
 }

src/main/java/cz/muni/ics/kypo/training/adaptive/service/phases/TrainingPhaseService.java

@@ -76,6 +76,7 @@ public class TrainingPhaseService {
         TrainingPhase persistedTrainingPhase = findPhaseById(phaseId);
         TrainingDefinition trainingDefinition = persistedTrainingPhase.getTrainingDefinition();
         checkIfCanBeUpdated(trainingDefinition);
+        trainingDefinition.setLastEdited(getCurrentTimeInUTC());
         trainingPhaseToUpdate.setId(phaseId);
         trainingPhaseToUpdate.setTrainingDefinition(persistedTrainingPhase.getTrainingDefinition());
         trainingPhaseToUpdate.setOrder(persistedTrainingPhase.getOrder());

src/main/java/cz/muni/ics/kypo/training/adaptive/service/training/TrainingDefinitionService.java

@@ -147,6 +147,7 @@ public class TrainingDefinitionService {
      */
     public TrainingDefinition create(TrainingDefinition trainingDefinition) {
         addLoggedInUserToTrainingDefinitionAsAuthor(trainingDefinition);
+        trainingDefinition.setLastEdited(getCurrentTimeInUTC());
         LOG.info("Training definition with id: {} created.", trainingDefinition.getId());
         return trainingDefinitionRepository.save(trainingDefinition);
     }
@@ -163,6 +164,7 @@ public class TrainingDefinitionService {
         checkIfCanBeUpdated(trainingDefinition);
         addLoggedInUserToTrainingDefinitionAsAuthor(trainingDefinitionToUpdate);
         trainingDefinitionToUpdate.setEstimatedDuration(trainingDefinition.getEstimatedDuration());
+        trainingDefinitionToUpdate.setLastEdited(getCurrentTimeInUTC());
         trainingDefinitionRepository.save(trainingDefinitionToUpdate);
         LOG.info("Training definition with id: {} updated.", trainingDefinitionToUpdate.getId());
     }
@@ -181,6 +183,7 @@ public class TrainingDefinitionService {
         TrainingDefinition clonedTrainingDefinition = cloneMapper.clone(trainingDefinition);
         clonedTrainingDefinition.setTitle(title);
         addLoggedInUserToTrainingDefinitionAsAuthor(clonedTrainingDefinition);
+        clonedTrainingDefinition.setLastEdited(getCurrentTimeInUTC());
         clonedTrainingDefinition = trainingDefinitionRepository.save(clonedTrainingDefinition);
 
         clonePhasesFromTrainingDefinition(trainingDefinition.getId(), clonedTrainingDefinition);
@@ -428,6 +431,5 @@ public class TrainingDefinitionService {
             User newUser = new User(userManagementServiceApi.getLoggedInUserRefId());
             trainingDefinition.addAuthor(newUser);
         }
-        trainingDefinition.setLastEdited(getCurrentTimeInUTC());
     }
 }