Fix: Send EVENT_REVOKE when a group is removed from a geofence

components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/geo/service/GeoLocationProviderServiceImpl.java

@@ -1606,6 +1606,8 @@ public class GeoLocationProviderServiceImpl implements GeoLocationProviderServic
 
         List<Integer> createdEventIds;
         int tenantId;
+        List<Integer> groupIdsToDelete = new ArrayList<>();
+        List<Integer> savedGroupIds;
         try {
             tenantId = DeviceManagementDAOUtil.getTenantId();
             setEventSource(geofenceData.getEventConfig());
@@ -1616,6 +1618,15 @@ public class GeoLocationProviderServiceImpl implements GeoLocationProviderServic
                 throw new GeoLocationBasedServiceException(msg);
             }
             createdEventIds = eventConfigService.updateEventsOfDeviceGroup(geofenceData.getEventConfig(), removedEventIdList, groupIds);
+            EventManagementDAOFactory.openConnection();
+            savedGroupIds = geofenceDAO.getGroupIdsOfGeoFence(fenceId);
+            geofenceData.setId(fenceId);
+            for (Integer savedGroupId : savedGroupIds) {
+                if (!geofenceData.getGroupIds().contains(savedGroupId)) {
+                    groupIdsToDelete.add(savedGroupId);
+                }
+            }
+            EventManagementDAOFactory.commitTransaction();
         } catch (EventConfigurationException e) {
             String msg = "Error occurred while updating event configuration data";
             log.error(msg, e);
@@ -1624,6 +1635,11 @@ public class GeoLocationProviderServiceImpl implements GeoLocationProviderServic
             String msg = "Error occurred while retrieving tenant id while update geofence data";
             log.error(msg, e);
             throw new GeoLocationBasedServiceException(msg, e);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+        finally {
+            EventManagementDAOFactory.closeConnection();
         }
 
         if (log.isDebugEnabled()) {
@@ -1650,6 +1666,11 @@ public class GeoLocationProviderServiceImpl implements GeoLocationProviderServic
             log.debug("Update geofence event completed.");
         }
         try {
+            if (!groupIdsToDelete.isEmpty()) {
+                eventConfigService.createEventOperationTask(OperationMgtConstants.OperationCodes.EVENT_REVOKE,
+                        DeviceManagementConstants.EventServices.GEOFENCE, new GeoFenceEventMeta(geofenceData),
+                        tenantId, groupIdsToDelete);
+            }
             eventConfigService.createEventOperationTask(OperationMgtConstants.OperationCodes.EVENT_UPDATE,
                     DeviceManagementConstants.EventServices.GEOFENCE,
                     new GeoFenceEventMeta(geofenceData), tenantId, geofenceData.getGroupIds());