chengkai3
68 lines
2.9 KiB
Python
68 lines
2.9 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from typing import TYPE_CHECKING, Any
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from uuid import uuid4
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from sqlalchemy import JSON, DateTime, Float, ForeignKey, Index, String, UniqueConstraint
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from ..core.database import Base
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from .base import utcnow
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if TYPE_CHECKING:
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from .line_tower import LineTower
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class TowerProfile(Base):
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__tablename__ = "tower_profile"
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__table_args__ = (
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UniqueConstraint("tower_id", name="uq_tower_profile_tower_id"),
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Index("idx_tower_profile_tower_id", "tower_id"),
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Index("idx_tower_profile_current_type", "current_type"),
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)
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id: Mapped[str] = mapped_column(
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String(32),
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primary_key=True,
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default=lambda: uuid4().hex,
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)
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tower_id: Mapped[str] = mapped_column(
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String(32),
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ForeignKey("power_line_tower.id", ondelete="CASCADE"),
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nullable=False,
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index=True,
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)
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phase_sequence_1: Mapped[str | None] = mapped_column(String(32))
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phase_sequence_2: Mapped[str | None] = mapped_column(String(32))
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phase_sequence_3: Mapped[str | None] = mapped_column(String(32))
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phase_sequence_4: Mapped[str | None] = mapped_column(String(32))
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arrester_a: Mapped[str | None] = mapped_column(String(64))
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arrester_b: Mapped[str | None] = mapped_column(String(64))
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arrester_c: Mapped[str | None] = mapped_column(String(64))
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protection_angle_left_deg: Mapped[float | None] = mapped_column(Float)
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protection_angle_right_deg: Mapped[float | None] = mapped_column(Float)
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shield_wire_height_m: Mapped[float | None] = mapped_column(Float)
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insulator_length_m: Mapped[float | None] = mapped_column(Float)
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call_height_m: Mapped[float | None] = mapped_column(Float)
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angle_deg: Mapped[float | None] = mapped_column(Float)
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current_a: Mapped[float | None] = mapped_column(Float)
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current_b: Mapped[float | None] = mapped_column(Float)
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structure_kind: Mapped[str | None] = mapped_column(String(64), index=True)
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stroke_mode: Mapped[str | None] = mapped_column(String(32), index=True)
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current_type: Mapped[str | None] = mapped_column(String(32), index=True)
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current_head_time_us: Mapped[float | None] = mapped_column(Float)
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current_tail_time_us: Mapped[float | None] = mapped_column(Float)
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geometry_layers_json: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict)
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extra_profile_json: Mapped[dict[str, Any]] = mapped_column(JSON, default=dict)
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create_date: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=utcnow, index=True)
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create_user: Mapped[str | None] = mapped_column(String(64), index=True)
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update_date: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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default=utcnow,
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onupdate=utcnow,
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)
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update_user: Mapped[str | None] = mapped_column(String(64), index=True)
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tower: Mapped[LineTower] = relationship("LineTower", back_populates="profile", lazy="selectin")
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