65 lines
2.5 KiB
Python
65 lines
2.5 KiB
Python
"""Board database model."""
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from datetime import datetime
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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 Boolean, DateTime, ForeignKey, String, Text, func
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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_image import BoardImage
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from app.database.models.comment import Comment
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from app.database.models.group import Group
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from app.database.models.share_link import ShareLink
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from app.database.models.user import User
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class Board(Base):
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"""
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Board model representing a reference board (canvas) containing images.
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A board is owned by a user and contains images arranged on an infinite canvas
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with a specific viewport state (zoom, pan, rotation).
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"""
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__tablename__ = "boards"
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id: Mapped[UUID] = mapped_column(PGUUID(as_uuid=True), primary_key=True, default=uuid4)
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user_id: Mapped[UUID] = mapped_column(
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PGUUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False
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)
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title: Mapped[str] = mapped_column(String(255), nullable=False)
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description: Mapped[str | None] = mapped_column(Text, nullable=True)
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viewport_state: Mapped[dict] = mapped_column(
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JSONB,
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nullable=False,
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default=lambda: {"x": 0, "y": 0, "zoom": 1.0, "rotation": 0},
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)
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created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(
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DateTime, nullable=False, server_default=func.now(), onupdate=func.now()
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)
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is_deleted: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
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# Relationships
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user: Mapped["User"] = relationship("User", back_populates="boards")
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board_images: Mapped[list["BoardImage"]] = relationship(
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"BoardImage", back_populates="board", cascade="all, delete-orphan"
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)
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groups: Mapped[list["Group"]] = relationship("Group", back_populates="board", cascade="all, delete-orphan")
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share_links: Mapped[list["ShareLink"]] = relationship(
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"ShareLink", back_populates="board", cascade="all, delete-orphan"
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)
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comments: Mapped[list["Comment"]] = relationship("Comment", back_populates="board", cascade="all, delete-orphan")
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def __repr__(self) -> str:
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"""String representation of Board."""
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return f"<Board(id={self.id}, title='{self.title}', user_id={self.user_id})>"
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