""" Model representation of the results of heat pump simulation SPDX - License - Identifier: LGPL - 3.0 - or -later Copyright © 2022 Concordia CERC group Project Coder Peter Yefi peteryefi@gmail.com """ from sqlalchemy import Column, Integer, String, Sequence from sqlalchemy import Enum, ForeignKey, Float, DateTime from sqlalchemy.dialects.postgresql import JSONB from persistence.db_config import Base import enum import datetime class SimulationTypes(enum.Enum): Parallel = 'PARALLEL' Series = 'SERIES' class HeatPumpTypes(enum.Enum): Air = 'Air Source' Water = 'Water to Water' class HeatPumpSimulation(Base): """A model representation of a building Attributes: city_id, A reference to the city which was used to run this simulation. hourly_electricity_demand, A JSON object that has hours and their electricity demand daily_electricity_demand, A JSON object that has days and their electricity demand monthly_electricity_demand, A JSON object that has months and their electricity demand daily_fossil_fuel_consumption, A JSON object that has days and fossil fuel consumption monthly_fossil_fuel_consumption, A JSON object that has months and fossil fuel consumption heat_pump_type, Water or air heat pump simulation_type, The type of heat pump simulation (parallel or series) heat_pump_model, The model of the heat pump (either water to water or air source) start year, HP simulation start year end year, HP simulation end year max_hp_energy_input, Maximum heat pump energy input max_demand_storage_hour, Hours of storage at maximum demand building_supply_temp, building supply temperature temp_difference, Difference in HP and building supply temperatures fuel_lhv, The lower heating value of fuel fuel_price, The price of fuel fuel_efficiency, the efficiency of fuel fuel_density, the density of fuel hp_supply_temp, supply temperature of heat pump """ __tablename__ = "heat_pump_simulation" id = Column(Integer, Sequence('hp_simulation_id_seq'), primary_key=True) city_id = Column(Integer, ForeignKey('city.id'), nullable=False) daily_electricity_demand = Column(JSONB, nullable=False) hourly_electricity_demand = Column(JSONB, nullable=False) daily_fossil_fuel_consumption = Column(JSONB, nullable=False) monthly_fossil_fuel_consumption = Column(JSONB, nullable=False) monthly_electricity_demand = Column(JSONB, nullable=False) heat_pump_type = Column(Enum(HeatPumpTypes), nullable=False) simulation_type = Column(Enum(SimulationTypes), nullable=False) heat_pump_model = Column(String, nullable=False) start_year = Column(Integer, nullable=False) end_year = Column(Integer, nullable=False) max_hp_energy_input = Column(Float, nullable=False) max_demand_storage_hour = Column(Float, nullable=False) building_supply_temp = Column(Float, nullable=False) temp_difference = Column(Float, nullable=False) fuel_lhv = Column(Float, nullable=False) fuel_price = Column(Float, nullable=False) fuel_efficiency = Column(Float, nullable=False) fuel_density = Column(Float, nullable=False) hp_supply_temp = Column(Float, nullable=False) created = Column(DateTime, default=datetime.datetime.utcnow) def __init__(self, city_id, hourly_elec_demand, daily_elec_demand, monthly_elec_demand, daily_fossil, monthly_fossil): self.city_id = city_id self.hourly_electricity_demand = hourly_elec_demand self.daily_electricity_demand = daily_elec_demand self.monthly_electricity_demand = monthly_elec_demand self.daily_fossil_fuel_consumption = daily_fossil self.monthly_fossil_fuel_consumption = monthly_fossil