Prevent import of multiple training
Compare changes
@@ -26,6 +26,7 @@ import nl.tudelft.tam.dto.id.ProfileIdDTO;
@@ -37,12 +38,15 @@ public class TrainingImportHandler extends ImportHandler<TrainingApproval> {
@@ -95,6 +99,13 @@ public class TrainingImportHandler extends ImportHandler<TrainingApproval> {