Added user id reference to cities. Included updated timestamp

persistence/models/city.py

@@ -5,10 +5,11 @@ Copyright © 2022 Concordia CERC group
 Project Coder Peter Yefi peteryefi@gmail.com
 """
 
-from sqlalchemy import Column, Integer, String, Sequence
+from sqlalchemy import Column, Integer, String, Sequence, ForeignKey
 from sqlalchemy import DateTime, PickleType, Float
 from persistence.db_config import Base
 from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.orm import relationship
 import datetime
 
 
@@ -29,7 +30,10 @@ class City(Base):
   upper_corner = Column(JSONB, nullable=False)
   hub_release = Column(String, nullable=False)
   city_version = Column(Integer, nullable=False)
+  user_id = Column(Integer, ForeignKey('user.id'))
+  user = relationship("User", back_populates="city")
   created = Column(DateTime, default=datetime.datetime.utcnow)
+  updated = Column(DateTime, default=datetime.datetime.utcnow)
 
   def __init__(self, city, name, srs_name, country_code, l_corner, u_corner):
     self.city = city

persistence/models/user.py

@@ -12,6 +12,7 @@ import datetime
 from sqlalchemy.orm import validates
 import re
 import enum
+from sqlalchemy.orm import relationship
 
 
 class UserRoles(enum.Enum):
@@ -28,6 +29,7 @@ class User(Base):
   email = Column(String, nullable=False, unique=True)
   password = Column(String, nullable=False)
   role = Column(Enum(UserRoles), nullable=False, default=UserRoles.HubReader)
+  cities = relationship("City", back_populates="user")
   created = Column(DateTime, default=datetime.datetime.utcnow)
   updated = Column(DateTime, default=datetime.datetime.utcnow)
 

persistence/repositories/city_repo.py

@@ -15,6 +15,7 @@ import requests
 from urllib3.exceptions import HTTPError
 from typing import Union, Dict
 from hub_logger import logger
+import datetime
 
 
 class CityRepo(BaseRepo):
@@ -107,6 +108,7 @@ class CityRepo(BaseRepo):
           'name': city.name, 'srs_name': city.srs_name, 'country_code': city.country_code, 'longitude': city.longitude,
           'latitude': city.latitude, 'time_zone': city.time_zone, 'lower_corner': city.lower_corner.tolist(),
           'upper_corner': city.upper_corner.tolist(), 'climate_reference_city': city.climate_reference_city,
+          'updated': datetime.datetime.utcnow
         })
 
       self.session.commit()

persistence/repositories/user_repo.py

@@ -13,6 +13,7 @@ from persistence.models import UserRoles
 from helpers.auth import Auth
 from typing import Union, Dict
 from hub_logger import logger
+import datetime
 
 
 class UserRepo(BaseRepo):
@@ -57,7 +58,8 @@ class UserRepo(BaseRepo):
     try:
       if Auth.validate_password(password):
         self.session.query(User).filter(User.id == user_id) \
-          .update({'name': name, 'email': email, 'password': Auth.hash_password(password), 'role': role})
+          .update({'name': name, 'email': email, 'password': Auth.hash_password(password), 'role': role,
+                   'updated': datetime.datetime.utcnow})
       self.session.commit()
     except SQLAlchemyError as err:
       logger.error(f'Error while updating user: {err}')