107 lines
3.9 KiB
Python
107 lines
3.9 KiB
Python
"""
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DBFactory performs read related operations
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2022 Concordia CERC group
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Project CoderPeter Yefi peteryefi@gmail.com
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"""
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import json
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from typing import Union, Dict
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from hub.persistence import City
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from hub.persistence import Application
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from hub.persistence import User
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from hub.persistence import CityObject
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from hub.persistence import SimulationResults
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class DBFactory:
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"""
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DBFactory class
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"""
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def __init__(self, db_name, app_env, dotenv_path):
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self._city = City(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
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self._application = Application(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
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self._user = User(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
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self._city_object = CityObject(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
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self._simulation_results = SimulationResults(db_name=db_name, dotenv_path=dotenv_path, app_env=app_env)
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def application_info(self, application_uuid) -> Union[Application, None]:
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"""
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Retrieve the application info for the given uuid
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:param application_uuid: the uuid for the application
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:return: Application or None
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"""
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return self._application.get_by_uuid(application_uuid)
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def user_info(self, name, password, application_id):
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"""
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Retrieve the user info for the given name and password and application_id
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:param name: the user name
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:param password: the user password
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:param application_id: the application id
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:return: User or None
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"""
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return self._user.get_by_name_application_id_and_password(name, password, application_id)
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def user_login(self, name, password, application_uuid):
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"""
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Retrieve the user info
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:param name: the user name
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:param password: the user password
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:param application_uuid: the application uuid
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:return: User or None
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"""
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return self._user.get_by_name_application_uuid_and_password(name, password, application_uuid)
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def cities_by_user_and_application(self, user_id, application_id) -> [City]:
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"""
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Retrieve the cities belonging to the user and the application
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:param user_id: User id
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:param application_id: Application id
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:return: [City]
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"""
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return self._city.get_by_user_id_and_application_id(user_id, application_id)
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def building_info(self, name, city_id) -> Union[CityObject, None]:
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"""
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Retrieve the building info
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:param name: Building name
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:param city_id: City Id
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:return: CityObject or None
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"""
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return self._city_object.get_by_name_and_city(name, city_id)
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def results(self, user_id, application_id, cities, result_names=None) -> Dict:
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"""
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Retrieve the simulation results for the given cities
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:param user_id: the user id owning the results
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:param application_id: the application id owning the results
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:param cities: dictionary containing the city and building names for the results
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:param result_names: if given, filter the results to the selected names
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"""
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if result_names is None:
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result_names = []
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results = {}
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for city in cities['cities']:
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city_name = next(iter(city))
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result_set = self._city.get_by_user_id_application_id_and_name(user_id, application_id, city_name)
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if result_set is None:
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continue
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city_id = result_set.id
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results[city_name] = []
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for building_name in city[city_name]:
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if self._city_object.get_by_name_and_city(building_name, city_id) is None:
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continue
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city_object_id = self._city_object.get_by_name_and_city(building_name, city_id).id
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_ = self._simulation_results.get_simulation_results_by_city_id_city_object_id_and_names(
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city_id,
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city_object_id,
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result_names)
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for value in _:
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values = json.loads(value.values)
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values["building"] = building_name
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results[city_name].append(values)
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return results
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