hankin
423baff73b
- Docker bridge 网络隔离（8000 端口封死） - Gunicorn 4 Worker 多进程 - Alembic 数据库迁移基线 - 日志轮转 20m×3 - JWT 密钥 + DB 密码 + CORS 收紧 - 3-2-1 备份链路（NAS + R740-B 冷备） - 连接池 pool_pre_ping + pool_recycle=3600
97 lines
3.6 KiB
Python
97 lines
3.6 KiB
Python
"""
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ERP 供应链域 ORM 模型
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映射: erp_product_categories / erp_product_skus / erp_inventory_flows
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"""
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from __future__ import annotations
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import uuid
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from datetime import datetime
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from sqlalchemy import (
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Boolean,
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DateTime,
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ForeignKey,
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Integer,
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Numeric,
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SmallInteger,
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String,
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Text,
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func,
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)
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.models.base import Base
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class ProductCategory(Base):
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__tablename__ = "erp_product_categories"
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id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
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)
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parent_id: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("erp_product_categories.id"), nullable=True
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)
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name: Mapped[str] = mapped_column(String(100), nullable=False)
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sort_order: Mapped[int] = mapped_column(Integer, default=0)
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created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(
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DateTime, server_default=func.now(), onupdate=func.now()
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)
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is_deleted: Mapped[bool] = mapped_column(Boolean, default=False)
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class ProductSku(Base):
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__tablename__ = "erp_product_skus"
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id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
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)
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category_id: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("erp_product_categories.id"), nullable=True
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)
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sku_code: Mapped[str] = mapped_column(String(50), unique=True, nullable=False)
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name: Mapped[str] = mapped_column(String(200), nullable=False)
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spec: Mapped[str | None] = mapped_column(String(100), nullable=True)
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standard_price: Mapped[float] = mapped_column(Numeric(12, 2), default=0)
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stock_qty: Mapped[float] = mapped_column(Numeric(12, 2), default=0)
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warning_threshold: Mapped[float] = mapped_column(Numeric(12, 2), default=0)
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unit: Mapped[str] = mapped_column(String(20), default="桶")
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status: Mapped[int] = mapped_column(SmallInteger, default=1)
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created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(
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DateTime, server_default=func.now(), onupdate=func.now()
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)
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is_deleted: Mapped[bool] = mapped_column(Boolean, default=False)
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category: Mapped[ProductCategory | None] = relationship(
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"ProductCategory", lazy="selectin"
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)
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class InventoryFlow(Base):
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__tablename__ = "erp_inventory_flows"
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id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
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)
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sku_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), ForeignKey("erp_product_skus.id"), nullable=False
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)
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change_qty: Mapped[float] = mapped_column(Numeric(12, 2), nullable=False)
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reason: Mapped[str] = mapped_column(String(50), nullable=False)
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remark: Mapped[str | None] = mapped_column(Text, nullable=True)
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operator_id: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("sys_users.id"), nullable=True
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)
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created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(
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DateTime, server_default=func.now(), onupdate=func.now()
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)
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is_deleted: Mapped[bool] = mapped_column(Boolean, default=False)
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sku: Mapped[ProductSku | None] = relationship("ProductSku", lazy="selectin")
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operator: Mapped["SysUser | None"] = relationship("SysUser", lazy="selectin") # noqa: F821
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