64 lines
4.1 KiB
Python
64 lines
4.1 KiB
Python
from __future__ import annotations
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from decimal import Decimal
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from datetime import datetime
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from sqlalchemy import BigInteger, Boolean, DateTime, Index, Integer, Numeric, String, Text
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from sqlalchemy.orm import Mapped, mapped_column
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from app.enums.home_material import HomeMaterialAssetStatus, HomeMaterialMediaType
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from app.models.base import Base, SoftDeleteMixin, TimestampMixin
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class HomeMaterialAsset(Base, TimestampMixin, SoftDeleteMixin):
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"""首页素材资产。"""
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__tablename__ = "home_material_assets"
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__table_args__ = (
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Index("idx_home_material_assets_admin_list", "deleted_at", "category_id", "media_type", "status", "is_active", "sort_order", "created_at"),
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Index("idx_home_material_assets_category_sort", "category_id", "sort_order", "created_at"),
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Index("idx_home_material_assets_status", "status"),
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)
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id: Mapped[str] = mapped_column(String(32), primary_key=True)
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category_id: Mapped[str] = mapped_column(String(32), nullable=False, index=True, comment="行业类别ID")
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title: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True, comment="素材标题")
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media_type: Mapped[str] = mapped_column(
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String(16),
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default=HomeMaterialMediaType.IMAGE.value,
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server_default=HomeMaterialMediaType.IMAGE.value,
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nullable=False,
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index=True,
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comment="素材类型：image图片，video视频",
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)
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original_url: Mapped[str] = mapped_column(Text, nullable=False, comment="原始素材URL")
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original_storage_path: Mapped[str] = mapped_column(Text, nullable=False, comment="原始素材本地路径")
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watermarked_url: Mapped[str | None] = mapped_column(Text, nullable=True, comment="水印素材URL")
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watermarked_storage_path: Mapped[str | None] = mapped_column(Text, nullable=True, comment="水印素材本地路径")
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cover_url: Mapped[str | None] = mapped_column(Text, nullable=True, comment="视频封面URL")
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cover_storage_path: Mapped[str | None] = mapped_column(Text, nullable=True, comment="视频封面本地路径")
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watermark_id: Mapped[str | None] = mapped_column(String(32), nullable=True, index=True, comment="水印图片ID")
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watermark_config_json: Mapped[str | None] = mapped_column(Text, nullable=True, comment="水印配置快照JSON")
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generation_prompt: Mapped[str | None] = mapped_column(Text, nullable=True, comment="生成提词")
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media_references_json: Mapped[str | None] = mapped_column(Text, nullable=True, comment="附件/参考素材JSON字符串")
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status: Mapped[str] = mapped_column(
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String(32),
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default=HomeMaterialAssetStatus.DRAFT.value,
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server_default=HomeMaterialAssetStatus.DRAFT.value,
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nullable=False,
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index=True,
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comment="处理状态：draft/processing/success/failed",
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)
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error_message: Mapped[str | None] = mapped_column(Text, nullable=True, comment="处理失败原因")
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width: Mapped[int | None] = mapped_column(Integer, nullable=True, comment="素材宽度")
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height: Mapped[int | None] = mapped_column(Integer, nullable=True, comment="素材高度")
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duration_seconds: Mapped[Decimal | None] = mapped_column(Numeric(10, 3), nullable=True, comment="视频时长，图片为空")
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file_size_bytes: Mapped[int] = mapped_column(BigInteger, default=0, server_default="0", nullable=False, comment="原始文件大小")
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watermarked_file_size_bytes: Mapped[int | None] = mapped_column(BigInteger, nullable=True, comment="水印后文件大小")
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is_active: Mapped[bool] = mapped_column(Boolean, default=True, server_default="true", nullable=False, index=True, comment="是否前台展示")
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sort_order: Mapped[int] = mapped_column(Integer, default=0, server_default="0", nullable=False, index=True, comment="排序，越小越靠前")
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processed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True, index=True, comment="处理完成时间")
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created_by: Mapped[str | None] = mapped_column(String(32), nullable=True, index=True, comment="创建管理员ID")
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updated_by: Mapped[str | None] = mapped_column(String(32), nullable=True, index=True, comment="更新管理员ID")
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