增加配置接口

app/api/endpoints/community.py

@@ -24,13 +24,48 @@ async def create_community(
 
 @router.get("/", response_model=ResponseModel)
 async def get_communities(
-    skip: int = 0,
-    limit: int = 10,
+    latitude: float,
+    longitude: float,
     db: Session = Depends(get_db)
 ):
     """获取社区列表"""
-    communities = db.query(CommunityDB).offset(skip).limit(limit).all()
-    return success_response(data=[CommunityInfo.model_validate(c) for c in communities])
+    communities = db.query(CommunityDB).all()
+    
+    # 计算距离并排序
+    community_list = []
+    for community in communities:
+        # 使用 Haversine 公式计算两点之间的距离
+        distance = calculate_distance(
+            latitude, longitude,
+            community.latitude, community.longitude
+        )
+        
+        community_info = CommunityInfo.model_validate(community)
+        community_info.distance = distance
+        community_list.append(community_info)
+    
+    # 按距离排序
+    community_list.sort(key=lambda x: x.distance)
+    
+    return success_response(data=community_list)
+
+def calculate_distance(lat1: float, lon1: float, lat2: float, lon2: float) -> float:
+    """计算两点之间的距离（米）"""
+    from math import radians, sin, cos, sqrt, atan2
+    
+    R = 6371000  # 地球半径（米）
+    
+    # 转换为弧度
+    lat1, lon1, lat2, lon2 = map(radians, [lat1, lon1, lat2, lon2])
+    
+    # Haversine 公式
+    dlat = lat2 - lat1
+    dlon = lon2 - lon1
+    a = sin(dlat/2)**2 + cos(lat1) * cos(lat2) * sin(dlon/2)**2
+    c = 2 * atan2(sqrt(a), sqrt(1-a))
+    distance = R * c
+    
+    return round(distance, 2)  # 保留2位小数
 
 @router.get("/{community_id}", response_model=ResponseModel)
 async def get_community(

app/api/endpoints/config.py

@@ -0,0 +1,54 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+from app.models.config import ConfigDB, ConfigInfo
+from app.models.user import UserDB
+from app.models.database import get_db
+from app.api.deps import get_admin_user
+from app.core.response import success_response, error_response, ResponseModel
+
+router = APIRouter()
+
+@router.get("", response_model=ResponseModel)
+async def get_configs(
+    db: Session = Depends(get_db)
+):
+    """获取所有配置"""
+    configs = db.query(ConfigDB).all()
+    
+    # 转换为数组格式
+    config_list = [
+        ConfigInfo.model_validate(config)
+        for config in configs
+    ]
+    
+    return success_response(data=config_list) 
+
+@router.post("", response_model=ResponseModel)
+async def create_config(
+    config: ConfigInfo,
+    db: Session = Depends(get_db),
+    admin: UserDB = Depends(get_admin_user)  # 仅管理员可操作
+):
+    """创建配置"""
+    # 检查key是否已存在
+    exists = db.query(ConfigDB).filter(ConfigDB.key == config.key).first()
+    if exists:
+        return error_response(code=400, message=f"配置项 {config.key} 已存在")
+    
+    # 创建新配置
+    db_config = ConfigDB(
+        key=config.key,
+        value=config.value
+    )
+    
+    try:
+        db.add(db_config)
+        db.commit()
+        db.refresh(db_config)
+        return success_response(
+            message="配置创建成功",
+            data=ConfigInfo.model_validate(db_config)
+        )
+    except Exception as e:
+        db.rollback()
+        return error_response(code=500, message=f"创建失败: {str(e)}") 

app/main.py

@@ -1,6 +1,6 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
-from app.api.endpoints import user, address, community, station, order, coupon, community_building, upload, merchant, merchant_product, merchant_product_category, merchant_order, point
+from app.api.endpoints import user, address, community, station, order, coupon, community_building, upload, merchant, merchant_product, merchant_product_category, merchant_order, point, config
 from app.models.database import Base, engine
 from fastapi.exceptions import RequestValidationError
 from fastapi.responses import JSONResponse
@@ -39,6 +39,7 @@ app.include_router(merchant_product.router, prefix="/api/merchant/product", tags
 app.include_router(merchant_product_category.router, prefix="/api/merchant/category", tags=["商品分类"])
 app.include_router(merchant_order.router, prefix="/api/merchant/order", tags=["商家订单"])
 app.include_router(point.router, prefix="/api/point", tags=["用户积分"])
+app.include_router(config.router, prefix="/api/config", tags=["系统配置"])
 
 @app.get("/")
 async def root():

app/models/community.py

@@ -33,8 +33,9 @@ class CommunityInfo(BaseModel):
     id: int
     name: str
     address: str
-    longitude: float
     latitude: float
+    longitude: float
+    distance: Optional[float] = None  # 距离，单位：米
     
     class Config:
         from_attributes = True 

app/models/config.py

@@ -0,0 +1,21 @@
+from sqlalchemy import Column, Integer, String, Text, DateTime
+from sqlalchemy.sql import func
+from pydantic import BaseModel, Field
+from datetime import datetime
+from .database import Base
+
+class ConfigDB(Base):
+    __tablename__ = "configs"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    key = Column(String(100), unique=True, nullable=False)
+    value = Column(Text, nullable=False)
+    create_time = Column(DateTime(timezone=True), server_default=func.now())
+    update_time = Column(DateTime(timezone=True), onupdate=func.now())
+
+class ConfigInfo(BaseModel):
+    key: str
+    value: str
+    
+    class Config:
+        from_attributes = True