44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
from sqlalchemy import Column, Integer, ForeignKey, Numeric, String
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from .devices import Device, entity_types_registry
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if not entity_types_registry.get('RawSensor'):
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class RawSensor(Device):
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__tablename__ = 'raw_sensor'
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id = Column(
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Integer, ForeignKey(Device.id, ondelete='CASCADE'), primary_key=True
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)
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value = Column(String)
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__mapper_args__ = {
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'polymorphic_identity': __tablename__,
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}
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entity_types_registry['RawSensor'] = RawSensor
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else:
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RawSensor = entity_types_registry['RawSensor']
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if not entity_types_registry.get('NumericSensor'):
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class NumericSensor(Device):
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__tablename__ = 'numeric_sensor'
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id = Column(
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Integer, ForeignKey(Device.id, ondelete='CASCADE'), primary_key=True
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)
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value = Column(Numeric)
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min = Column(Numeric)
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max = Column(Numeric)
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__mapper_args__ = {
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'polymorphic_identity': __tablename__,
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}
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entity_types_registry['NumericSensor'] = NumericSensor
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else:
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NumericSensor = entity_types_registry['NumericSensor']
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