init

src/api/inventory/inventory_routes.py

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+"""
+库存管理路由模块
+
+提供库存信息的查询功能，包括：
+- 库存列表查询（支持分页、仓库筛选、产品筛选、低库存筛选）
+- 显示产品库存数量、锁定数量、可用数量等信息
+
+路由前缀: /api/inventory
+"""
+from fastapi import APIRouter, Depends, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from typing import Optional, List
+
+from database.database import get_db_session
+from services.auth_service import get_current_active_user
+from models.database import User, Product, Warehouse, Inventory
+from .schemas import InventoryResponse
+
+router = APIRouter(prefix="/inventory", tags=["库存管理"])
+
+
+@router.get("", response_model=List[InventoryResponse])
+async def list_inventory(
+    warehouse_id: Optional[int] = None,
+    product_id: Optional[int] = None,
+    low_stock: bool = False,
+    skip: int = Query(0, ge=0),
+    limit: int = Query(20, ge=1, le=100),
+    db_session: AsyncSession = Depends(get_db_session),
+    current_user: User = Depends(get_current_active_user)
+):
+    query = (
+        select(Inventory, Product, Warehouse)
+        .join(Product, Inventory.product_id == Product.id)
+        .join(Warehouse, Inventory.warehouse_id == Warehouse.id)
+        .where(Product.is_active == True)
+        .where(Warehouse.is_active == True)
+    )
+    
+    if warehouse_id:
+        query = query.where(Inventory.warehouse_id == warehouse_id)
+    if product_id:
+        query = query.where(Inventory.product_id == product_id)
+    if low_stock:
+        query = query.where(Inventory.quantity <= Product.min_stock)
+    
+    query = query.offset(skip).limit(limit)
+    result = await db_session.execute(query)
+    
+    inventory_list = []
+    for inv, product, warehouse in result.all():
+        inventory_list.append(InventoryResponse(
+            id=inv.id,
+            product_id=inv.product_id,
+            product_name=product.name,
+            product_sku=product.sku,
+            warehouse_id=inv.warehouse_id,
+            warehouse_name=warehouse.name,
+            quantity=inv.quantity,
+            locked_quantity=inv.locked_quantity,
+            available_quantity=inv.available_quantity
+        ))
+    
+    return inventory_list