Initial commit: 智能项目定价模型

后端服务/app/models/material.py

@@ -0,0 +1,57 @@
+"""耗材模型
+
+管理耗材基础信息：名称、单位、单价、供应商等
+"""
+
+from typing import Optional
+
+from sqlalchemy import String, Boolean, DECIMAL
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.models.base import BaseModel
+
+
+class Material(BaseModel):
+    """耗材表"""
+    
+    __tablename__ = "materials"
+    
+    material_code: Mapped[str] = mapped_column(
+        String(50),
+        unique=True,
+        nullable=False,
+        index=True,
+        comment="耗材编码"
+    )
+    material_name: Mapped[str] = mapped_column(
+        String(100),
+        nullable=False,
+        comment="耗材名称"
+    )
+    unit: Mapped[str] = mapped_column(
+        String(20),
+        nullable=False,
+        comment="单位（支/ml/个）"
+    )
+    unit_price: Mapped[float] = mapped_column(
+        DECIMAL(12, 2),
+        nullable=False,
+        comment="单价"
+    )
+    supplier: Mapped[Optional[str]] = mapped_column(
+        String(100),
+        nullable=True,
+        comment="供应商"
+    )
+    material_type: Mapped[str] = mapped_column(
+        String(20),
+        nullable=False,
+        index=True,
+        comment="类型：consumable-耗材, injectable-针剂, product-产品"
+    )
+    is_active: Mapped[bool] = mapped_column(
+        Boolean,
+        nullable=False,
+        default=True,
+        comment="是否启用"
+    )