Initial commit: 智能项目定价模型

2026-01-31 21:33:06 +08:00
commit ef0824303f
174 changed files with 31705 additions and 0 deletions
--- a/后端服务/app/models/project.py
+++ b/后端服务/app/models/project.py
@@ -0,0 +1,102 @@
+"""服务项目模型
+
+管理医美服务项目基础信息
+"""
+
+from typing import Optional, List, TYPE_CHECKING
+
+from sqlalchemy import BigInteger, String, Boolean, Integer, Text, ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.models.base import BaseModel
+
+if TYPE_CHECKING:
+    from app.models.category import Category
+    from app.models.user import User
+    from app.models.project_cost_item import ProjectCostItem
+    from app.models.project_labor_cost import ProjectLaborCost
+    from app.models.project_cost_summary import ProjectCostSummary
+    from app.models.pricing_plan import PricingPlan
+
+
+class Project(BaseModel):
+    """服务项目表"""
+    
+    __tablename__ = "projects"
+    
+    project_code: Mapped[str] = mapped_column(
+        String(50),
+        unique=True,
+        nullable=False,
+        index=True,
+        comment="项目编码"
+    )
+    project_name: Mapped[str] = mapped_column(
+        String(100),
+        nullable=False,
+        comment="项目名称"
+    )
+    category_id: Mapped[Optional[int]] = mapped_column(
+        BigInteger,
+        ForeignKey("categories.id"),
+        nullable=True,
+        index=True,
+        comment="项目分类ID"
+    )
+    description: Mapped[Optional[str]] = mapped_column(
+        Text,
+        nullable=True,
+        comment="项目描述"
+    )
+    duration_minutes: Mapped[int] = mapped_column(
+        Integer,
+        nullable=False,
+        default=0,
+        comment="操作时长（分钟）"
+    )
+    is_active: Mapped[bool] = mapped_column(
+        Boolean,
+        nullable=False,
+        default=True,
+        index=True,
+        comment="是否启用"
+    )
+    created_by: Mapped[Optional[int]] = mapped_column(
+        BigInteger,
+        ForeignKey("users.id"),
+        nullable=True,
+        comment="创建人ID"
+    )
+    
+    # 关系
+    category: Mapped[Optional["Category"]] = relationship(
+        "Category",
+        back_populates="projects"
+    )
+    creator: Mapped[Optional["User"]] = relationship(
+        "User",
+        back_populates="created_projects"
+    )
+    
+    # 成本相关关系
+    cost_items: Mapped[List["ProjectCostItem"]] = relationship(
+        "ProjectCostItem",
+        back_populates="project",
+        cascade="all, delete-orphan"
+    )
+    labor_costs: Mapped[List["ProjectLaborCost"]] = relationship(
+        "ProjectLaborCost",
+        back_populates="project",
+        cascade="all, delete-orphan"
+    )
+    cost_summary: Mapped[Optional["ProjectCostSummary"]] = relationship(
+        "ProjectCostSummary",
+        back_populates="project",
+        uselist=False,
+        cascade="all, delete-orphan"
+    )
+    pricing_plans: Mapped[List["PricingPlan"]] = relationship(
+        "PricingPlan",
+        back_populates="project",
+        cascade="all, delete-orphan"
+    )