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45 lines
2 KiB
Python
45 lines
2 KiB
Python
"""
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This module defines the BoolOperation database class.
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"""
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from ..base import ext
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from .Enums import OperationType
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from sqlalchemy.orm import backref
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class BoolOperation(ext.Model):
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__tablename__ = "bool_operation"
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id = ext.Column(ext.Integer, primary_key=True)
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operation = ext.Column(ext.Enum(OperationType), nullable=False)
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is_root = ext.Column(ext.Boolean, default=False, nullable=False)
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# Foreign Keys
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condition_id = ext.Column(ext.Integer, ext.ForeignKey("condition.id"))
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node_1_id = ext.Column(ext.Integer, ext.ForeignKey("bool_operation.id", ondelete="SET NULL"))
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node_2_id = ext.Column(ext.Integer, ext.ForeignKey("bool_operation.id", ondelete="SET NULL"))
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alert_id = ext.Column(ext.Integer, ext.ForeignKey("alert.id", ondelete="CASCADE"))
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# Relationships
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condition = ext.relationship("Condition", back_populates="operations")
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node_1 = ext.relationship("BoolOperation", primaryjoin=("bool_operation.c.node_1_id==bool_operation.c.id"),
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remote_side="BoolOperation.id", backref=backref("father_1", uselist=False))
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node_2 = ext.relationship("BoolOperation", primaryjoin=("bool_operation.c.node_2_id==bool_operation.c.id"),
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remote_side="BoolOperation.id", backref=backref("father_2", uselist=False))
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alert = ext.relationship("Alert", back_populates="operations")
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def to_json(self):
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return {"id": self.id,
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"operation": self.operation,
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"is_root": self.is_root,
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"alert_id": self.alert_id,
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"condition": self.condition.to_json() if self.condition else None,
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"node_1": self.node_1.to_json() if self.node_1 else None,
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"node_2": self.node_2.to_json() if self.node_2 else None
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}
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def get_chain_ids(self, l):
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if self.id in l:
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# Loop detected!
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return -1
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l.append(self.id)
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self.get_chain_ids(self.node_1, l)
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self.get_chain_ids(self.node_2, l)
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