102 lines
2.8 KiB
Python
102 lines
2.8 KiB
Python
"""服务项目模型
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管理医美服务项目基础信息
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"""
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from typing import Optional, List, TYPE_CHECKING
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from sqlalchemy import BigInteger, String, Boolean, Integer, Text, ForeignKey
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.models.base import BaseModel
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if TYPE_CHECKING:
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from app.models.category import Category
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from app.models.user import User
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from app.models.project_cost_item import ProjectCostItem
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from app.models.project_labor_cost import ProjectLaborCost
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from app.models.project_cost_summary import ProjectCostSummary
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from app.models.pricing_plan import PricingPlan
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class Project(BaseModel):
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"""服务项目表"""
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__tablename__ = "projects"
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project_code: Mapped[str] = mapped_column(
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String(50),
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unique=True,
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nullable=False,
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index=True,
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comment="项目编码"
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)
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project_name: Mapped[str] = mapped_column(
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String(100),
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nullable=False,
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comment="项目名称"
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)
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category_id: Mapped[Optional[int]] = mapped_column(
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BigInteger,
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ForeignKey("categories.id"),
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nullable=True,
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index=True,
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comment="项目分类ID"
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)
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description: Mapped[Optional[str]] = mapped_column(
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Text,
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nullable=True,
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comment="项目描述"
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)
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duration_minutes: Mapped[int] = mapped_column(
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Integer,
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nullable=False,
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default=0,
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comment="操作时长（分钟）"
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)
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is_active: Mapped[bool] = mapped_column(
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Boolean,
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nullable=False,
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default=True,
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index=True,
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comment="是否启用"
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)
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created_by: Mapped[Optional[int]] = mapped_column(
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BigInteger,
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ForeignKey("users.id"),
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nullable=True,
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comment="创建人ID"
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)
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# 关系
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category: Mapped[Optional["Category"]] = relationship(
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"Category",
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back_populates="projects"
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)
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creator: Mapped[Optional["User"]] = relationship(
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"User",
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back_populates="created_projects"
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)
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# 成本相关关系
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cost_items: Mapped[List["ProjectCostItem"]] = relationship(
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"ProjectCostItem",
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back_populates="project",
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cascade="all, delete-orphan"
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)
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labor_costs: Mapped[List["ProjectLaborCost"]] = relationship(
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"ProjectLaborCost",
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back_populates="project",
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cascade="all, delete-orphan"
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)
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cost_summary: Mapped[Optional["ProjectCostSummary"]] = relationship(
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"ProjectCostSummary",
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back_populates="project",
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uselist=False,
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cascade="all, delete-orphan"
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)
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pricing_plans: Mapped[List["PricingPlan"]] = relationship(
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"PricingPlan",
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back_populates="project",
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cascade="all, delete-orphan"
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) |