142 lines
4.5 KiB
Python
142 lines
4.5 KiB
Python
from fastapi import APIRouter, Depends
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from sqlalchemy.orm import Session
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from typing import List, Optional
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from sqlalchemy import text
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from app.models.merchant import (
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MerchantDB,
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MerchantCreate,
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MerchantUpdate,
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MerchantInfo,
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MerchantImageDB
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)
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from app.models.database import get_db
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from app.api.deps import get_admin_user
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from app.models.user import UserDB
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from app.core.response import success_response, error_response, ResponseModel
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router = APIRouter()
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@router.post("", response_model=ResponseModel)
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async def create_merchant(
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merchant: MerchantCreate,
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db: Session = Depends(get_db),
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admin: UserDB = Depends(get_admin_user)
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):
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"""创建商家（管理员）"""
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# 创建商家基本信息
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merchant_data = merchant.model_dump(exclude={'images'})
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db_merchant = MerchantDB(**merchant_data)
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db.add(db_merchant)
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try:
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db.flush() # 获取商家ID
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# 创建商家图片
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for image in merchant.images:
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db_image = MerchantImageDB(
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merchant_id=db_merchant.id,
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image_url=image.image_url,
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sort=image.sort
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)
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db.add(db_image)
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db.commit()
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db.refresh(db_merchant)
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return success_response(data=MerchantInfo.model_validate(db_merchant))
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except Exception as e:
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db.rollback()
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return error_response(code=500, message=f"创建失败: {str(e)}")
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@router.put("/{merchant_id}", response_model=ResponseModel)
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async def update_merchant(
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merchant_id: int,
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merchant: MerchantUpdate,
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db: Session = Depends(get_db),
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admin: UserDB = Depends(get_admin_user)
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):
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"""更新商家信息（管理员）"""
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db_merchant = db.query(MerchantDB).filter(
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MerchantDB.id == merchant_id
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).first()
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if not db_merchant:
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return error_response(code=404, message="商家不存在")
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# 更新基本信息
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update_data = merchant.model_dump(exclude={'images'}, exclude_unset=True)
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for key, value in update_data.items():
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setattr(db_merchant, key, value)
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# 如果更新了图片
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if merchant.images is not None:
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# 删除原有图片
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db.query(MerchantImageDB).filter(
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MerchantImageDB.merchant_id == merchant_id
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).delete()
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# 添加新图片
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for image in merchant.images:
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db_image = MerchantImageDB(
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merchant_id=merchant_id,
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image_url=image.image_url,
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sort=image.sort
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)
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db.add(db_image)
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try:
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db.commit()
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db.refresh(db_merchant)
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return success_response(data=MerchantInfo.model_validate(db_merchant))
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except Exception as e:
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db.rollback()
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return error_response(code=500, message=f"更新失败: {str(e)}")
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@router.get("/{merchant_id}", response_model=ResponseModel)
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async def get_merchant(
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merchant_id: int,
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db: Session = Depends(get_db)
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):
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"""获取商家详情"""
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merchant = db.query(MerchantDB).filter(
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MerchantDB.id == merchant_id
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).first()
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if not merchant:
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return error_response(code=404, message="商家不存在")
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return success_response(data=MerchantInfo.model_validate(merchant))
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@router.get("", response_model=ResponseModel)
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async def list_merchants(
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longitude: Optional[float] = None,
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latitude: Optional[float] = None,
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skip: int = 0,
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limit: int = 20,
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db: Session = Depends(get_db)
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):
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"""获取商家列表，如果提供经纬度则按距离排序，否则按创建时间排序"""
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if longitude is not None and latitude is not None:
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# 使用 MySQL 的 ST_Distance_Sphere 计算距离（单位：米）
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merchants = db.query(
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MerchantDB,
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text("ST_Distance_Sphere(point(longitude, latitude), point(:lon, :lat)) as distance")
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).params(
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lon=longitude,
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lat=latitude
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).order_by(
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text("distance")
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).offset(skip).limit(limit).all()
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return success_response(data=[{
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**MerchantInfo.model_validate(m[0]).model_dump(),
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"distance": round(m[1]) # 四舍五入到整数米
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} for m in merchants])
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else:
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# 如果没有提供经纬度，按创建时间排序
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merchants = db.query(MerchantDB).order_by(
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MerchantDB.create_time.desc()
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).offset(skip).limit(limit).all()
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return success_response(data=[
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MerchantInfo.model_validate(m) for m in merchants
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]) |