python-fastapi-mm-zhcs-yj-api/routers/api/videoResource/videoinfo.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from fastapi import APIRouter, Request, Depends,Query,HTTPException
from database import get_db
from sqlalchemy.orm import Session
from sqlalchemy import case
from sqlalchemy import  text
from utils import *
from utils.ry_system_util import *
from common.security import valid_access_token
import traceback

router = APIRouter()

@router.get('/get_video_list_by_user')
async def get_video_url_by_id(
    longitude:float = Query(None,  description='经度'),
    latitude:float = Query(None,  description='纬度'),
    db: Session = Depends(get_db),
    body=Depends(remove_xss_json),
    user_id=Depends(valid_access_token),
    page: int = Query(1, gt=0, description='页码'),
    pageSize: int = Query(10, gt=0, description='每页条目数量')
):
    if longitude is not None and latitude is not None:
        location = f"""ST_Distance_Sphere(
        ST_GeomFromText(CONCAT('POINT(', longitude, ' ', latitude, ')')), 
        ST_PointFromText('POINT({longitude} {latitude})'))"""
        orddis = 'distance'
    else:
        location = 0
        orddis = ''
    videoIds = user_id_get_user_videoIds(db, user_id)
    video_list = [i.video_code_int for i in videoIds]
    if len(video_list)==0:
        video = ''
    else:
        video = ""
        for i in video_list:
            video += f"WHEN '{i}' THEN 0 \n"

        video = f"""CASE video_code_int
    {video}
    ELSE 1
END """
    if orddis != '' and video !='':
        video += ','
    sql  = f"""SELECT T1.indexcode,T2.`name`,T1.longitude,T1.latitude,
        {location} AS distance,T2.area,T2.ip,T2.`status`,T2.status_lifetime,T2.record_status,T2.inspection_datetime,T2.video_code_int,T2.video_code
    FROM tp_video_base T1 RIGHT JOIN tp_video_log T2 on T1.indexcode=T2.video_code_int  where  T1.longitude is not NULL
    ORDER BY {video} {orddis} """
    totalsql = f'select count(*) from ({sql})t'
    print(video_list)

    total_items = db.execute(totalsql).first()[0]

    lim = f"limit  {pageSize*(page-1)}, {pageSize};"
    videos = db.execute(sql+lim).all()
    # query = db.query(TpVideoLog)
    # total_items = query.count()
    #
    # query = query.order_by(
    # case(
    #     [(TpVideoLog.video_code_int == video_code_int, 0) for video_code_int in video_list],
    #     else_=1
    # )
    #     )
    # videos = query.offset((page - 1) * pageSize).limit(pageSize).all()
    video_list1 = []
    for video in videos:
        videoInfo = {
            "name": video.name,
            "invideoIds": video.video_code_int in video_list,
            "area": video.area,
            "ip": video.ip,
            "status": video.status,
            "status_lifetime": video.status_lifetime,
            "record_status": video.record_status,
            "inspection_datetime": video.inspection_datetime,
            "video_code_int": video.video_code_int,
            "video_code": video.video_code,
            "longitude":video.longitude,
            "latitude":video.latitude
        }
        video_list1.append(videoInfo)
    return {
            "code": 200,
            "msg": "操作成功",
            "rows": video_list1,
            "total": total_items,
            "page": page,
            "pageSize": pageSize,
            "totalPages": (total_items + pageSize - 1) // pageSize
        }
@router.get('/get_waterlogged_all_video_info')
async def get_waterlogged_all_video_info(
        radius:int = Query(None),
        db: Session = Depends(get_db),
        body=Depends(remove_xss_json),
        page: int = Query(1, gt=0, description='页码'),
        pageSize: int = Query(10, gt=0, description='每页条目数量'),
        user_id=Depends(valid_access_token)):

    try:
        if radius is None:
            radius=500
        sql = f"""SELECT * from mid_waterlogged_roads """
        waterlogged_data =  db.execute(sql).all()
        resutl = []
        for location_1 in waterlogged_data:
            location = f"POINT({location_1.lng} {location_1.lat})"

            sql = text(f"""SELECT indexcode,`name`,longitude,latitude,distance FROM (
                    SELECT indexcode,`name`,longitude,latitude,
                        ST_Distance_Sphere(
                            ST_GeomFromText(CONCAT('POINT(', longitude, ' ', latitude, ')')), 
                            ST_PointFromText('{location}')
                        ) AS distance
                    FROM tp_video_base where longitude is not null and latitude is not null and ST_Distance_Sphere(ST_GeomFromText(CONCAT('POINT(', longitude, ' ', latitude, ')')),ST_GeomFromText(CONCAT('{location}'))) <= '{radius}' and `status`='ON'
                    ORDER BY distance ASC ) T""")

            resutl+=db.execute(sql).all()
        total_items = len(resutl)
        return {
            "code": 200,
            "msg": "成功",
            "data": {"list":[{"indexcode":info.indexcode,"name":info.name,"longitude":info.longitude,"latitude":info.latitude,"distance":info.distance} for info in resutl[(page - 1) * pageSize:(page - 1) * pageSize+pageSize]]},
            "page": page,
            "pageSize": pageSize,
            "totalPages": (total_items + pageSize - 1) // pageSize
        }

    except Exception as e:
        traceback.print_exc()
        raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}")