77 lines
3.7 KiB
Python
77 lines
3.7 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from sqlalchemy import BigInteger, DateTime, Float, ForeignKey, Index, String, Text, UniqueConstraint
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from sqlalchemy.orm import Mapped, mapped_column
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from app.models.base import Base, SoftDeleteMixin, TimestampMixin
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class UploadResource(Base, TimestampMixin, SoftDeleteMixin):
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"""统一上传资源账本。
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记录用户直接上传、模块上传和拆镜切片文件，不建立 ORM relationship，
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通过 source_model + source_id 进行低耦合绑定。
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"""
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__tablename__ = "upload_resources"
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__table_args__ = (
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UniqueConstraint("storage_path", name="uq_upload_resources_storage_path"),
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Index("ix_upload_resources_user_module_type", "user_id", "module", "resource_type", "deleted_at"),
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Index("ix_upload_resources_user_bind", "user_id", "bind_status", "deleted_at"),
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Index("ix_upload_resources_history_lookup", "user_id", "resource_type", "bind_status", "delete_policy", "deleted_at", "created_at"),
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Index("ix_upload_resources_source", "source_model", "source_id", "deleted_at"),
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Index("ix_upload_resources_url", "resource_url"),
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Index("ix_upload_resources_created", "created_at"),
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Index("ix_upload_resources_file_delete_status", "file_delete_status"),
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Index("ix_upload_resources_physical_deleted", "physical_deleted_at"),
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)
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id: Mapped[str] = mapped_column(String(32), primary_key=True)
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user_id: Mapped[str] = mapped_column(
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String(32), ForeignKey("users.id", ondelete="CASCADE"), index=True, nullable=False
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)
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module: Mapped[str] = mapped_column(String(64), index=True, nullable=False)
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resource_type: Mapped[str] = mapped_column(String(32), index=True, nullable=False)
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resource_url: Mapped[str] = mapped_column(Text, nullable=False)
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storage_path: Mapped[str] = mapped_column(Text, nullable=False)
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file_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
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file_ext: Mapped[str | None] = mapped_column(String(32), nullable=True)
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mime_type: Mapped[str | None] = mapped_column(String(128), nullable=True)
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file_size_bytes: Mapped[int] = mapped_column(BigInteger, default=0, server_default="0", nullable=False)
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duration_seconds: Mapped[float | None] = mapped_column(Float, nullable=True)
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duration_source: Mapped[str | None] = mapped_column(String(32), nullable=True)
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width: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
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height: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
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source_model: Mapped[str | None] = mapped_column(String(64), index=True, nullable=True)
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source_id: Mapped[str | None] = mapped_column(String(32), index=True, nullable=True)
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source_module: Mapped[str | None] = mapped_column(String(64), nullable=True)
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bind_status: Mapped[str] = mapped_column(String(32), default="pending", server_default="pending", index=True, nullable=False)
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delete_policy: Mapped[str] = mapped_column(String(32), default="user_deletable", server_default="user_deletable", index=True, nullable=False)
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created_by: Mapped[str] = mapped_column(String(32), default="api", server_default="api", index=True, nullable=False)
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metadata_json: Mapped[str | None] = mapped_column(Text, nullable=True)
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capacity_released_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
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physical_deleted_at: Mapped[datetime | None] = mapped_column(
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DateTime(timezone=True),
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nullable=True,
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)
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file_delete_status: Mapped[str] = mapped_column(
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String(32),
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default="active",
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server_default="active",
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nullable=False,
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)
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file_delete_error: Mapped[str | None] = mapped_column(
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Text,
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nullable=True,
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) |