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121 lines
4.6 KiB
Python
121 lines
4.6 KiB
Python
import enum
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from sqlalchemy import Column, Integer, String, Float, Enum, TIMESTAMP, Boolean
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from sqlalchemy.sql import func
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from backend.app.db.base import Base
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class MaterialType(enum.Enum):
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suspended_floor_insulation = "suspended_floor_insulation"
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solid_floor_insulation = "solid_floor_insulation"
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external_wall_insulation = "external_wall_insulation"
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internal_wall_insulation = "internal_wall_insulation"
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cavity_wall_insulation = "cavity_wall_insulation"
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mechanical_ventilation = "mechanical_ventilation"
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loft_insulation = "loft_insulation"
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exposed_floor_insulation = "exposed_floor_insulation"
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flat_roof_insulation = "flat_roof_insulation"
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room_roof_insulation = "room_roof_insulation"
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windows_glazing = "windows_glazing"
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secondary_glazing = "secondary_glazing"
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double_glazing = "double_glazing"
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cavity_wall_extraction = "cavity_wall_extraction"
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iwi_wall_demolition = "iwi_wall_demolition"
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iwi_vapour_barrier = "iwi_vapour_barrier"
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iwi_redecoration = "iwi_redecoration"
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suspended_floor_demolition = "suspended_floor_demolition"
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suspended_floor_redecoration = "suspended_floor_redecoration"
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suspended_floor_vapour_barrier = "suspended_floor_vapour_barrier"
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solid_floor_demolition = "solid_floor_demolition"
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solid_floor_preparation = "solid_floor_preparation"
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solid_floor_vapour_barrier = "solid_floor_vapour_barrier"
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solid_floor_redecoration = "solid_floor_redecoration"
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ewi_wall_demolition = "ewi_wall_demolition"
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ewi_wall_preparation = "ewi_wall_preparation"
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ewi_wall_redecoration = "ewi_wall_redecoration"
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low_energy_lighting_installation = "low_energy_lighting_installation"
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flat_roof_preparation = "flat_roof_preparation"
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flat_roof_vapour_barrier = "flat_roof_vapour_barrier"
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flat_roof_waterproofing = "flat_roof_waterproofing"
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trickle_vent = "trickle_vent"
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door_undercut = "door_undercut"
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solar_pv = "solar_pv"
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solar_battery = "solar_battery"
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scaffolding = "scaffolding"
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# Heating systems
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high_heat_retention_storage_heaters = "high_heat_retention_storage_heaters"
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air_soruce_heat_pump = "air_soruce_heat_pump"
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boiler_upgrade = "boiler_upgrade"
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sealing_fireplace = "sealing_fireplace"
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roomstat_programmer_trvs = "roomstat_programmer_trvs"
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time_temperature_zone_control = "time_temperature_zone_control"
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class DepthUnit(enum.Enum):
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mm = "mm"
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class SizeUnit(enum.Enum):
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# ["kWp", "kW", "watt", "storey"]
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kWp = "kWp"
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kW = "kW"
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watt = "watt"
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storey = "storey"
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class CostUnit(enum.Enum):
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gbp_sq_meter = "gbp_sq_meter"
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gbp_per_unit = "gbp_per_unit"
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gbp_per_m2 = "gbp_per_m2"
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gbp_per_m = "gbp_per_m"
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class RValueUnit(enum.Enum):
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square_meter_kelvin_per_watt = "square_meter_kelvin_per_watt"
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class ThermalConductivityUnit(enum.Enum):
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watt_per_meter_kelvin = "watt_per_meter_kelvin"
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class Material(Base):
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__tablename__ = 'material'
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id = Column(Integer, primary_key=True, autoincrement=True)
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type = Column(Enum(MaterialType, values_callable=lambda x: [e.value for e in x], create_constraint=False),
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nullable=False)
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description = Column(String, nullable=False)
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depth = Column(String) # You may want to use a specific JSON type depending on the database
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depth_unit = Column(Enum(DepthUnit, values_callable=lambda x: [e.value for e in x]), nullable=False)
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cost = Column(String)
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cost_unit = Column(Enum(CostUnit, values_callable=lambda x: [e.value for e in x]), nullable=False)
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r_value_per_mm = Column(Float)
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r_value_unit = Column(Enum(RValueUnit, values_callable=lambda x: [e.value for e in x]), nullable=False)
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thermal_conductivity = Column(Float)
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thermal_conductivity_unit = Column(
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Enum(ThermalConductivityUnit, values_callable=lambda x: [e.value for e in x]),
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nullable=False
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)
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link = Column(String)
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created_at = Column(TIMESTAMP, nullable=False, server_default=func.now())
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is_active = Column(Boolean, nullable=False, default=True)
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prime_material_cost = Column(Float)
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material_cost = Column(Float)
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labour_cost = Column(Float)
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labour_hours_per_unit = Column(Float)
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plant_cost = Column(Float)
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total_cost = Column(Float)
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notes = Column(String)
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is_installer_quote = Column(Boolean, nullable=False, default=False)
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innovation_rate = Column(Float, default=0.0)
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size = Column(Float)
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size_unit = Column(
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Enum(SizeUnit, values_callable=lambda x: [e.value for e in x]), nullable=True
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)
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includes_scaffolding = Column(Boolean, default=False)
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includes_battery = Column(Boolean, default=False)
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battery_size = Column(Float)
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