Initial commit: Audio Dashboard Management System

Made-with: Cursor

backend/routes/brands.py

@@ -0,0 +1,106 @@
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from typing import List, Optional
+from database import get_db
+from models.brand import Brand
+from schemas import BrandCreate, BrandUpdate, BrandResponse
+from response import ApiResponse, PageData
+
+router = APIRouter(prefix="/api/brands", tags=["brands"])
+
+
+@router.get("/", response_model=ApiResponse)
+def get_brands(
+    skip: int = Query(0, ge=0, description="跳过记录数"),
+    limit: int = Query(100, ge=1, le=1000, description="返回记录数"),
+    name: Optional[str] = Query(None, description="品牌名称（支持模糊查询）"),
+    db: Session = Depends(get_db)
+):
+    """获取所有品牌列表（支持按名称模糊查询）"""
+    try:
+        query = db.query(Brand)
+        if name:
+            query = query.filter(Brand.name.like(f"%{name}%"))
+        
+        total = query.count()
+        brands = query.offset(skip).limit(limit).all()
+        
+        if not brands:
+            return ApiResponse(code=2, msg="empty", data=None)
+        
+        # 转换为字典列表
+        brands_data = [brand.to_dict() for brand in brands]
+        
+        return ApiResponse(code=1, msg="success", data={"items": brands_data, "total": total, "skip": skip, "limit": limit})
+    except Exception as e:
+        return ApiResponse(code=0, msg="error", data=None)
+
+
+@router.get("/{brand_id}", response_model=ApiResponse)
+def get_brand(brand_id: int, db: Session = Depends(get_db)):
+    """获取单个品牌"""
+    try:
+        brand = db.query(Brand).filter(Brand.id == brand_id).first()
+        if not brand:
+            return ApiResponse(code=2, msg="empty", data=None)
+        return ApiResponse(code=1, msg="success", data=brand.to_dict())
+    except Exception as e:
+        return ApiResponse(code=0, msg="error", data=None)
+
+
+@router.post("/", response_model=ApiResponse)
+def create_brand(brand: BrandCreate, db: Session = Depends(get_db)):
+    """创建新品牌"""
+    try:
+        # 检查是否已存在
+        existing = db.query(Brand).filter(Brand.name == brand.name).first()
+        if existing:
+            return ApiResponse.error(msg="品牌名称已存在", code=0)
+        
+        db_brand = Brand(name=brand.name)
+        db.add(db_brand)
+        db.commit()
+        db.refresh(db_brand)
+        return ApiResponse.success(data=db_brand.to_dict(), msg="品牌创建成功")
+    except Exception as e:
+        db.rollback()
+        return ApiResponse.error(msg=f"创建失败：{str(e)}", code=0)
+
+
+@router.put("/{brand_id}", response_model=ApiResponse)
+def update_brand(brand_id: int, brand: BrandUpdate, db: Session = Depends(get_db)):
+    """更新品牌"""
+    try:
+        db_brand = db.query(Brand).filter(Brand.id == brand_id).first()
+        if not db_brand:
+            return ApiResponse.no_data(msg="品牌不存在")
+        
+        # 如果更新名称，检查是否冲突
+        if brand.name and brand.name != db_brand.name:
+            existing = db.query(Brand).filter(Brand.name == brand.name).first()
+            if existing:
+                return ApiResponse.error(msg="品牌名称已存在", code=0)
+            db_brand.name = brand.name
+        
+        db.commit()
+        db.refresh(db_brand)
+        return ApiResponse.success(data=db_brand.to_dict(), msg="品牌更新成功")
+    except Exception as e:
+        db.rollback()
+        return ApiResponse.error(msg=f"更新失败：{str(e)}", code=0)
+
+
+@router.delete("/{brand_id}", response_model=ApiResponse)
+def delete_brand(brand_id: int, db: Session = Depends(get_db)):
+    """删除品牌"""
+    try:
+        db_brand = db.query(Brand).filter(Brand.id == brand_id).first()
+        if not db_brand:
+            return ApiResponse.no_data(msg="品牌不存在")
+        
+        db.delete(db_brand)
+        db.commit()
+        return ApiResponse.success(msg="删除成功")
+    except Exception as e:
+        db.rollback()
+        return ApiResponse.error(msg=f"删除失败：{str(e)}", code=0)