front: fix occurences edition when no exception in paced train

Signed-off-by: romainvalls <romain.valls95@gmail.com>

Author: RomainValls

front/src/modules/timetableItem/components/Timetable/PacedTrain/hooks/useOccurrenceActions.ts

@@ -59,32 +59,30 @@ const useOccurrenceActions = ({
         editedOccurrence.id
       );
 
-      if (occurrenceToUpdateException) {
-        const rawPacedTrain: Omit<PacedTrain, 'paced'> = {
-          ...pacedTrain,
-          train_name: editedOccurrence.trainName,
-          speed_limit_tag: pacedTrain.speedLimitTag,
-          rolling_stock_name: editedOccurrence.rollingStock?.name || '',
-          start_time: editedOccurrence.startTime.toISOString(),
-        };
-
-        const {
-          train_name,
-          start_time,
-          speed_limit_tag,
-          rolling_stock_name: _rollingStockName,
-          ...occurrenceProps
-        } = extractOccurrenceDetailsFromPacedTrain(rawPacedTrain, occurrenceToUpdateException);
-
-        occurrenceWithDetails = {
-          ...pacedTrain,
-          ...occurrenceProps,
-          name: train_name,
-          startTime: new Date(start_time),
-          speedLimitTag: speed_limit_tag ?? null,
-          rollingStock: editedOccurrence.rollingStock,
-        };
-      }
+      const rawPacedTrain: Omit<PacedTrain, 'paced'> = {
+        ...pacedTrain,
+        train_name: editedOccurrence.trainName,
+        speed_limit_tag: pacedTrain.speedLimitTag,
+        rolling_stock_name: editedOccurrence.rollingStock?.name || '',
+        start_time: editedOccurrence.startTime.toISOString(),
+      };
+
+      const {
+        train_name,
+        start_time,
+        speed_limit_tag,
+        rolling_stock_name: _rollingStockName,
+        ...occurrenceProps
+      } = extractOccurrenceDetailsFromPacedTrain(rawPacedTrain, occurrenceToUpdateException);
+
+      occurrenceWithDetails = {
+        ...pacedTrain,
+        ...occurrenceProps,
+        name: train_name,
+        startTime: new Date(start_time),
+        speedLimitTag: speed_limit_tag ?? null,
+        rollingStock: editedOccurrence.rollingStock,
+      };
 
       selectPacedTrainToEdit(occurrenceWithDetails, pacedTrain, editedOccurrence.id);
     },

front/src/modules/timetableItem/helpers/pacedTrain.ts

@@ -35,10 +35,14 @@ export const extractOccurrenceDetailsFromPacedTrain = <
   T extends Omit<PacedTrain, 'paced' | 'exceptions'>,
 >(
   pacedTrain: T,
-  exceptionChangeGroups: ExceptionChangeGroups
+  exceptionChangeGroups: ExceptionChangeGroups | undefined
 ) => {
   const occurrence = { ...pacedTrain };
 
+  if (!exceptionChangeGroups) {
+    return occurrence;
+  }
+
   if (exceptionChangeGroups.train_name) {
     occurrence.train_name = exceptionChangeGroups.train_name.value;
   }