feat: 开发采集、采集箱和商品编辑功能

server/models/asset.py

@@ -0,0 +1,34 @@
+"""采集素材（图片/视频）：分组、源站 URL、转存 URL、状态。"""
+from __future__ import annotations
+
+import uuid
+from datetime import datetime
+
+from sqlalchemy import DateTime, Enum, ForeignKey, Integer, String, Text, Uuid, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from db import Base
+from models.enums import AssetStatus
+
+
+class ProductAsset(Base):
+    __tablename__ = "product_assets"
+
+    id: Mapped[uuid.UUID] = mapped_column(Uuid(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    product_id: Mapped[uuid.UUID] = mapped_column(
+        Uuid(as_uuid=True), ForeignKey("products.id", ondelete="CASCADE"), index=True
+    )
+    group_key: Mapped[str] = mapped_column(String(16), default="main")  # main/sku/detail/video/param/generated
+    variant_name: Mapped[str | None] = mapped_column(String(128), nullable=True)  # SKU 规格名
+    sort_order: Mapped[int] = mapped_column(Integer, default=0)
+    type: Mapped[str] = mapped_column(String(8), default="img")  # img / video
+    source_url: Mapped[str] = mapped_column(Text, default="")
+    stored_url: Mapped[str | None] = mapped_column(Text, nullable=True)  # 本地路径或七牛公网 URL
+    status: Mapped[AssetStatus] = mapped_column(
+        Enum(AssetStatus, native_enum=False, length=16), default=AssetStatus.pending, index=True
+    )
+    dedupe_key: Mapped[str | None] = mapped_column(String(512), nullable=True, index=True)
+    width: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    height: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    error: Mapped[str | None] = mapped_column(Text, nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())