68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
"""BoardImage database model - junction table for boards and images."""
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from datetime import datetime, timezone
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from typing import TYPE_CHECKING
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from uuid import UUID, uuid4
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from sqlalchemy import DateTime, ForeignKey, Integer
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from sqlalchemy.dialects.postgresql import JSONB
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from sqlalchemy.dialects.postgresql import UUID as PGUUID
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.database.base import Base
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if TYPE_CHECKING:
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from app.database.models.board import Board
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from app.database.models.group import Group
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from app.database.models.image import Image
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class BoardImage(Base):
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"""
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BoardImage model - junction table connecting boards and images.
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Stores position, transformations, and z-order for each image on a board.
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"""
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__tablename__ = "board_images"
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id: Mapped[UUID] = mapped_column(PGUUID(as_uuid=True), primary_key=True, default=uuid4)
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board_id: Mapped[UUID] = mapped_column(
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PGUUID(as_uuid=True), ForeignKey("boards.id", ondelete="CASCADE"), nullable=False
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)
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image_id: Mapped[UUID] = mapped_column(
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PGUUID(as_uuid=True), ForeignKey("images.id", ondelete="CASCADE"), nullable=False
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)
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position: Mapped[dict] = mapped_column(JSONB, nullable=False)
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transformations: Mapped[dict] = mapped_column(
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JSONB,
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nullable=False,
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default=lambda: {
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"scale": 1.0,
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"rotation": 0,
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"opacity": 1.0,
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"flipped_h": False,
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"flipped_v": False,
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"greyscale": False,
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},
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)
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z_order: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
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group_id: Mapped[UUID | None] = mapped_column(
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PGUUID(as_uuid=True), ForeignKey("groups.id", ondelete="SET NULL"), nullable=True
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)
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created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
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updated_at: Mapped[datetime] = mapped_column(
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DateTime, nullable=False, default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc)
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)
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# Relationships
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board: Mapped["Board"] = relationship("Board", back_populates="board_images")
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image: Mapped["Image"] = relationship("Image", back_populates="board_images")
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group: Mapped["Group | None"] = relationship("Group", back_populates="board_images")
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def __repr__(self) -> str:
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"""String representation of BoardImage."""
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return f"<BoardImage(id={self.id}, board_id={self.board_id}, image_id={self.image_id})>"
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