diff --git a/hub/exports/db_factory.py b/hub/exports/db_factory.py
index a0ddcda5..5f4fde9e 100644
--- a/hub/exports/db_factory.py
+++ b/hub/exports/db_factory.py
@@ -4,6 +4,9 @@ SPDX - License - Identifier: LGPL - 3.0 - or -later
 Copyright © 2022 Concordia CERC group
 Project CoderPeter Yefi peteryefi@gmail.com
 """
+import json
+from typing import Union, Dict
+
 from hub.persistence import City
 from hub.persistence import Application
 from hub.persistence import User
@@ -23,23 +26,53 @@ class DBFactory:
     self._city_object = CityObject(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
     self._simulation_results = SimulationResults(db_name=db_name, dotenv_path=dotenv_path, app_env=app_env)
 
-  def application_info(self, application_uuid):
+  def application_info(self, application_uuid) -> Union[Application, None]:
     """
     Retrieve the application info for the given uuid
     :param application_uuid: the uuid for the application
+    :return: Application or None
     """
     return self._application.get_by_uuid(application_uuid)
 
+  def user_info(self, name, password, application_id):
+    """
+    Retrieve the user info for the given name and password and application_id
+    :param name: the user name
+    :param password: the user password
+    :param application_id: the application id
+    :return: User or None
+    """
+    return self._user.get_by_name_application_id_and_password(name, password, application_id)
+
   def user_login(self, name, password, application_uuid):
     """
     Retrieve the user info
     :param name: the user name
     :param password: the user password
     :param application_uuid: the application uuid
+    :return: User or None
     """
     return self._user.get_by_name_application_uuid_and_password(name, password, application_uuid)
 
-  def results(self, user_id, application_id,  cities, result_names=[]):
+  def cities_by_user_and_application(self, user_id, application_id) -> [City]:
+    """
+    Retrieve the cities belonging to the user and the application
+    :param user_id: User id
+    :param application_id: Application id
+    :return: [City]
+    """
+    return self._city.get_by_user_id_and_application_id(user_id, application_id)
+
+  def building_info(self, name, city_id) -> Union[CityObject, None]:
+    """
+    Retrieve the building info
+    :param name: Building name
+    :param city_id: City Id
+    :return: CityObject or None
+    """
+    return self._city_object.get_by_name_and_city(name, city_id)
+
+  def results(self, user_id, application_id, cities, result_names=None) -> Dict:
     """
     Retrieve the simulation results for the given cities
     :param user_id: the user id owning the results
@@ -47,16 +80,27 @@ class DBFactory:
     :param cities: dictionary containing the city and building names for the results
     :param result_names: if given, filter the results to the selected names
     """
-    results = []
-    for city in cities['cities'].keys():
-      city_id = self._city.get_by_user_id_application_id_and_name(user_id, application_id, city).id
-      for building_name in cities[city]:
+    if result_names is None:
+      result_names = []
+    results = {}
+    for city in cities['cities']:
+      city_name = next(iter(city))
+      result_set = self._city.get_by_user_id_application_id_and_name(user_id, application_id, city_name)
+      if result_set is None:
+        continue
+      city_id = result_set.id
+      results[city_name] = []
+      for building_name in city[city_name]:
+        if self._city_object.get_by_name_and_city(building_name, city_id) is None:
+          continue
         city_object_id = self._city_object.get_by_name_and_city(building_name, city_id).id
-        results.append(self._simulation_results.get_simulation_results_by_city_id_city_object_id_and_names(
+        _ = self._simulation_results.get_simulation_results_by_city_id_city_object_id_and_names(
           city_id,
           city_object_id,
-          result_names))
+          result_names)
+
+        for value in _:
+          values = json.loads(value.values)
+          values["building"] = building_name
+          results[city_name].append(values)
     return results
-
-
-
diff --git a/hub/persistence/repositories/city.py b/hub/persistence/repositories/city.py
index 52e59204..a242286a 100644
--- a/hub/persistence/repositories/city.py
+++ b/hub/persistence/repositories/city.py
@@ -121,7 +121,24 @@ class City(Repository):
       result_set = self.session.execute(select(Model).where(Model.user_id == user_id,
                                                             Model.application_id == application_id,
                                                             Model.name == city_name
-                                                            )).first()[0]
+                                                            )).first()
+      if result_set is not None:
+        result_set = result_set[0]
       return result_set
     except SQLAlchemyError as err:
       logger.error(f'Error while fetching city by name: {err}')
+
+  def get_by_user_id_and_application_id(self, user_id, application_id) -> [Model]:
+    """
+    Fetch city based on the user who created it
+    :param user_id: the user id
+    :param application_id: the application id
+    :return: ModelCity
+    """
+    try:
+      result_set = self.session.execute(
+        select(Model).where(Model.user_id == user_id, Model.application_id == application_id)
+      )
+      return [r[0] for r in result_set]
+    except SQLAlchemyError as err:
+      logger.error(f'Error while fetching city by name: {err}')
diff --git a/hub/persistence/repositories/city_object.py b/hub/persistence/repositories/city_object.py
index ded9a1ad..7ca4d8e6 100644
--- a/hub/persistence/repositories/city_object.py
+++ b/hub/persistence/repositories/city_object.py
@@ -105,7 +105,7 @@ class CityObject(Repository):
     except SQLAlchemyError as err:
       logger.error(f'Error while deleting application: {err}')
 
-  def get_by_name_and_city(self, name, city_id) -> [Model]:
+  def get_by_name_and_city(self, name, city_id) -> Union[Model, None]:
     """
     Fetch a city object based on name and city id
     :param name: city object name
diff --git a/hub/persistence/repositories/simulation_results.py b/hub/persistence/repositories/simulation_results.py
index 53524bba..f02f48b9 100644
--- a/hub/persistence/repositories/simulation_results.py
+++ b/hub/persistence/repositories/simulation_results.py
@@ -10,6 +10,7 @@ from typing import Union, Dict
 
 from sqlalchemy import select
 from sqlalchemy.exc import SQLAlchemyError
+from sqlalchemy import or_
 
 from hub.hub_logger import logger
 from hub.persistence import Repository
@@ -98,7 +99,7 @@ class SimulationResults(Repository):
     Deletes an application with the application_uuid
     :param name: The simulation results tool and workflow name
     :param city_id: The id for the city owning the simulation results
-    :param city_object_id: the id for the city_object ownning these simulation results
+    :param city_object_id: the id for the city_object owning these simulation results
 
     :return: None
     """
@@ -125,28 +126,6 @@ class SimulationResults(Repository):
     except SQLAlchemyError as err:
       logger.error(f'Error while fetching city by city_id: {err}')
 
-  def get_simulation_results_by_city_id(self, city_id) -> [Model]:
-    """
-    Fetch simulation results by name
-    :param city_id: the id of the city
-    :return: [Model] with the provided city id
-    """
-    try:
-      return self.session.execute(select(Model).where(Model.city_id == city_id))
-    except SQLAlchemyError as err:
-      logger.error(f'Error while fetching simulation results by name: {err}')
-
-  def get_simulation_results_by_city_object_id(self, city_object_id) -> [Model]:
-    """
-    Fetch simulation results by name
-    :param city_object_id: the id of the city object
-    :return: [Model] with the provided city object id
-    """
-    try:
-      return self.session.execute(select(Model).where(Model.city_object_id == city_object_id))
-    except SQLAlchemyError as err:
-      logger.error(f'Error while fetching simulation results by name: {err}')
-
   def _get_city_object(self, city_object_id) -> [CityObject]:
     """
     Fetch a city object based city id
@@ -157,3 +136,27 @@ class SimulationResults(Repository):
       return self.session.execute(select(CityObject).where(CityObject.id == city_object_id)).first()
     except SQLAlchemyError as err:
       logger.error(f'Error while fetching city by city_id: {err}')
+
+  def get_simulation_results_by_city_id_city_object_id_and_names(self, city_id, city_object_id, result_names=[]):
+    """
+    Fetch the simulation results based in the city_id or city_object_id with the given names or all
+    :param city_id: the city id
+    :param city_object_id: the city object id
+    :param result_names: if given filter the results
+    :return: [SimulationResult]
+    """
+    try:
+      result_set = self.session.execute(select(Model).where(or_(
+        Model.city_id == city_id,
+        Model.city_object_id == city_object_id
+      )))
+      results = [r[0] for r in result_set]
+      if not result_names:
+        return results
+      _ = []
+      for result in results:
+        if result.name in result_names:
+          _.append(result)
+      return _
+    except SQLAlchemyError as err:
+      logger.error(f'Error while fetching city by city_id: {err}')
diff --git a/hub/persistence/repositories/user.py b/hub/persistence/repositories/user.py
index 87005a4a..cd6037ac 100644
--- a/hub/persistence/repositories/user.py
+++ b/hub/persistence/repositories/user.py
@@ -60,7 +60,7 @@ class User(Repository):
     :param name: the name of the user
     :param password: the password of the user
     :param role: the role of the user
-    :return:
+    :return: None, Dictionary
     """
     try:
       self.session.query(Model).filter(Model.id == user_id).update({
@@ -86,28 +86,30 @@ class User(Repository):
     except SQLAlchemyError as err:
       logger.error(f'Error while fetching user: {err}')
 
-  def get_by_name_and_application(self, name: str, application_id: int) -> [Model]:
+  def get_by_name_and_application(self, name: str, application_id: int) -> Union[Model, None]:
     """
     Fetch user based on the email address
     :param name: User name
     :param application_id: User application name
-    :return: [User] matching the search criteria
+    :return: User matching the search criteria or None
     """
     try:
-      return self.session.execute(
+      user = self.session.execute(
         select(Model).where(Model.name == name, Model.application_id == application_id)
       ).first()
+      if user is not None:
+        user = user[0]
+      return user
     except SQLAlchemyError as err:
       logger.error(f'Error while fetching user by name and application: {err}')
 
-  def get_by_name_application_id_and_password(self, name: str, password: str, application_id: int) -> [Model]:
+  def get_by_name_application_id_and_password(self, name: str, password: str, application_id: int) -> Union[Model, None]:
     """
     Fetch user based on the email and password
     :param name: User name
     :param password: User password
     :param application_id: User password
-
-    :return: [User]
+    :return: User
     """
     try:
       user = self.session.execute(
@@ -119,14 +121,13 @@ class User(Repository):
     except SQLAlchemyError as err:
       logger.error(f'Error while fetching user by email: {err}')
 
-  def get_by_name_application_uuid_and_password(self, name: str, password: str, application_uuid: str) -> [Model]:
+  def get_by_name_application_uuid_and_password(self, name: str, password: str, application_uuid: str) -> Union[Model, None]:
     """
     Fetch user based on the email and password
     :param name: User name
     :param password: User password
     :param application_uuid: Application uuid
-
-    :return: [User]
+    :return: User
     """
     try:
       application = self.session.execute(
diff --git a/hub/unittests/test_geometry_factory.py b/hub/unittests/test_geometry_factory.py
index e98e2a78..c6a19d39 100644
--- a/hub/unittests/test_geometry_factory.py
+++ b/hub/unittests/test_geometry_factory.py
@@ -155,7 +155,7 @@ class TestGeometryFactory(TestCase):
                           height_field='citygml_me',
                           year_of_construction_field='ANNEE_CONS',
                           function_field='LIBELLE_UT')
-    GeometryHelper.city_mapping(city)
+    print(GeometryHelper.city_mapping(city))
     for building in city.buildings:
       self.assertEqual(2, len(building.neighbours))
 
diff --git a/hub/version.py b/hub/version.py
index c3913bcd..95b32a5c 100644
--- a/hub/version.py
+++ b/hub/version.py
@@ -1 +1 @@
-__version__ = '0.1.7.8'
+__version__ = '0.1.7.9'