113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
from fastapi import APIRouter, Depends
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from sqlalchemy.orm import Session
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from typing import List
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from app.models.community import CommunityDB, CommunityCreate, CommunityUpdate, CommunityInfo
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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_community(
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community: CommunityCreate,
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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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"""创建社区"""
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db_community = CommunityDB(**community.model_dump())
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db.add(db_community)
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db.commit()
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db.refresh(db_community)
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return success_response(data=CommunityInfo.model_validate(db_community))
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@router.get("/", response_model=ResponseModel)
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async def get_communities(
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latitude: float,
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longitude: float,
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db: Session = Depends(get_db)
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):
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"""获取社区列表"""
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communities = db.query(CommunityDB).all()
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# 计算距离并排序
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community_list = []
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for community in communities:
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# 使用 Haversine 公式计算两点之间的距离
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distance = calculate_distance(
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latitude, longitude,
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community.latitude, community.longitude
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)
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community_info = CommunityInfo.model_validate(community)
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community_info.distance = distance
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community_list.append(community_info)
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# 按距离排序
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community_list.sort(key=lambda x: x.distance)
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return success_response(data=community_list)
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def calculate_distance(lat1: float, lon1: float, lat2: float, lon2: float) -> float:
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"""计算两点之间的距离（米）"""
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from math import radians, sin, cos, sqrt, atan2
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R = 6371000 # 地球半径（米）
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# 转换为弧度
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lat1, lon1, lat2, lon2 = map(radians, [lat1, lon1, lat2, lon2])
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# Haversine 公式
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dlat = lat2 - lat1
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dlon = lon2 - lon1
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a = sin(dlat/2)**2 + cos(lat1) * cos(lat2) * sin(dlon/2)**2
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c = 2 * atan2(sqrt(a), sqrt(1-a))
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distance = R * c
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return round(distance, 2) # 保留2位小数
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@router.get("/{community_id}", response_model=ResponseModel)
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async def get_community(
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community_id: int,
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db: Session = Depends(get_db)
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):
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"""获取社区详情"""
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community = db.query(CommunityDB).filter(CommunityDB.id == community_id).first()
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if not community:
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return error_response(code=404, message="社区不存在")
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return success_response(data=CommunityInfo.model_validate(community))
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@router.put("/{community_id}", response_model=ResponseModel)
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async def update_community(
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community_id: int,
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community: CommunityUpdate,
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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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"""更新社区信息"""
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db_community = db.query(CommunityDB).filter(CommunityDB.id == community_id).first()
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if not db_community:
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return error_response(code=404, message="社区不存在")
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update_data = community.model_dump(exclude_unset=True)
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for key, value in update_data.items():
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setattr(db_community, key, value)
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db.commit()
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db.refresh(db_community)
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return success_response(data=CommunityInfo.model_validate(db_community))
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@router.delete("/{community_id}", response_model=ResponseModel)
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async def delete_community(
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community_id: int,
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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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"""删除社区"""
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result = db.query(CommunityDB).filter(CommunityDB.id == community_id).delete()
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if not result:
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return error_response(code=404, message="社区不存在")
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db.commit()
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return success_response(message="社区已删除") |