Files
modbison/backend/app/models/asset_collection.py
T

54 lines
2.0 KiB
Python

from sqlalchemy import Column, Integer, String, ForeignKey, Text, DateTime, Boolean
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.database import Base
class AssetCollection(Base):
"""A curated collection or pack of 3D models and assets."""
__tablename__ = "asset_collections"
id = Column(Integer, primary_key=True, index=True)
title = Column(String(255), nullable=False, index=True)
description = Column(Text, nullable=True)
theme = Column(String(64), nullable=False, default="general", index=True)
thumbnail_url = Column(String(512), nullable=True)
owner_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
is_public = Column(Boolean, default=True, nullable=False, index=True)
tags = Column(String(512), nullable=True)
created_at = Column(DateTime(timezone=True), server_default=func.now())
updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
owner = relationship("User", back_populates="asset_collections")
items = relationship(
"CollectionAsset",
back_populates="collection",
cascade="all, delete-orphan",
order_by="CollectionAsset.sort_order",
)
class CollectionAsset(Base):
"""Join entity linking an Asset to an AssetCollection with ordering."""
__tablename__ = "collection_assets"
id = Column(Integer, primary_key=True, index=True)
collection_id = Column(
Integer,
ForeignKey("asset_collections.id", ondelete="CASCADE"),
nullable=False,
index=True,
)
asset_id = Column(
Integer,
ForeignKey("assets.id", ondelete="CASCADE"),
nullable=False,
index=True,
)
sort_order = Column(Integer, default=0, nullable=False)
created_at = Column(DateTime(timezone=True), server_default=func.now())
collection = relationship("AssetCollection", back_populates="items")
asset = relationship("Asset")