Fix ddb import

ogn/collect/database.py

@@ -9,11 +9,14 @@ from ogn.collect.celery import app
 logger = get_task_logger(__name__)
 
 
-def update_device_infos(session, address_origin, device_infos):
+def delete_device_infos(session, address_origin):
     session.query(DeviceInfo) \
         .filter(DeviceInfo.address_origin == address_origin) \
         .delete()
+    session.commit()
 
+
+def update_device_infos(session, device_infos):
     session.bulk_save_objects(device_infos)
     session.commit()
 
@@ -25,8 +28,10 @@ def import_ddb():
     """Import registered devices from the DDB."""
 
     logger.info("Import registered devices fom the DDB...")
-    counter = update_device_infos(app.session, AddressOrigin.ogn_ddb,
-                                  get_ddb())
+    address_origin = AddressOrigin.ogn_ddb
+
+    delete_device_infos(app.session, address_origin)
+    counter = update_device_infos(app.session, get_ddb(address_origin=address_origin))
     logger.info("Imported {} devices.".format(counter))
 
 
@@ -35,6 +40,8 @@ def import_file(path='tests/custom_ddb.txt'):
     """Import registered devices from a local file."""
 
     logger.info("Import registered devices from '{}'...".format(path))
-    counter = update_device_infos(app.session, AddressOrigin.user_defined,
-                                  get_ddb(path))
+    address_origin = AddressOrigin.user_defined
+
+    delete_device_infos(app.session, address_origin)
+    counter = update_device_infos(app.session, get_ddb(csvfile=path, address_origin=address_origin))
     logger.info("Imported {} devices.".format(counter))