BusInfo.js
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let request = require('request');
let cheerio = require('cheerio');
const bus_url = 'http://apis.data.go.kr/6410000/busarrivalservice/getBusArrivalList';
//const stationID = '228000708'; // 사색의광장 들어오는 방향
const gateStationID = '203000125'
require('dotenv').config();
//const BusArrivalUrl = bus_url + '?servicekey=' + process.env.key + '&stationId=' + stationID;// 사색의광장 정류장 버스 도착 정보 조회용
//console.log(BusArrivalUrl);
var routeID = ['200000112', '200000115', '234000016', '200000103'];
var Bus = [];
var BusNum = [];
// request(BusArrivalUrl, (err, res, body) => {
// var $ = cheerio.load(body, {decodeEntities: false});
// $('busArrivalList').each(function(idx){
// let route = $(this).find('routeId').text();
// routeID.push(route);
// })
// //console.log(routeID);
// })
const route_url = 'http://apis.data.go.kr/6410000/busrouteservice/getBusRouteInfoItem';
var index = 0;
function getBusNum(){
var BusRouteUrl = route_url + '?servicekey=' + process.env.key + '&routeId='; // 각 버스 정보 조회용
BusRouteUrl += routeID[index++];
//console.log(BusRouteUrl);
request(BusRouteUrl, (err, res, body) => {
var $ = cheerio.load(body, {decodeEntities: false});
$('busRouteInfoItem').each(function(idx){
var id = $(this).find('routeId').text(); //버스 노선 id
var num = $(this).find('routeName').text(); //버스 번호
var firsttime = $(this).find('upFirstTime').text(); //평일 기점 첫차시간
var lasttime = $(this).find('upLastTime').text(); //평일 기점 막차 시간
var mintime = $(this).find('peekAlloc').text(); //평일 최소 배차시간
var maxtime = $(this).find('nPeekAlloc').text(); //평일 최대 배차시간
//var idx = Bus.findIndex((item, idx) => { return item.routeId = id})
var newBus = new Object();
newBus.routeId = id;
newBus.BusNum = num;
newBus.FirstTime = firsttime;
newBus.LastTime = lasttime;
newBus.MinTime = mintime;
newBus.MaxTime = maxtime;
//console.log(newBus);
Bus.push(newBus);
BusNum.push(num);
//console.log(Bus);
})
})
}
for(var i=0; i<routeID.length; i++){
getBusNum();
}
const GateBusUrl = bus_url + '?servicekey=' + process.env.key + '&stationId=' + gateStationID; //국제캠 정문 정류장
let date = new Date();
let predictTime = ['-1', '-1', '-1', '-1'];
module.exports.data = [];
function predict(){
//console.log(GateBusUrl);
if(module.exports.data.length == 0){
for(var i=0; i<BusNum.length; i++){
var info = new Object();
info.BusNum = BusNum[i];
module.exports.data.push(info);
}
}
request(GateBusUrl, (err, res, body) => {
var $ = cheerio.load(body, {decodeEntities: false});
$('busArrivalList').each(function(idx){
let route = $(this).find('routeId').text();
var index = Bus.findIndex(function(e, idx){ return e.routeId == route;});
if(index > -1){
//var num = $(this).find('plateNo1').text(); // 버스 차량번호 ex) 70사 1290
console.log(Bus[index].BusNum);
var time = $(this).find('predictTime1').text(); // 버스 예상 도착시간
var predictHour1 = date.getHours();
var predictMinute1 = date.getMinutes() + parseInt(Bus[index].MinTime) - (3 - parseInt(time)); // 사색의 광장 -> 경희대학교 3분정도 소요
var predictHour2 = date.getHours();
var predictMinute2 = date.getMinutes() + parseInt(Bus[index].MaxTime) - (3 - parseInt(time)); // time*1 : string to integer 형변환
if(predictMinute1 >= 60){
predictHour1 += 1;
predictMinute1 -= 60;
}
if(predictMinute2 >= 60){
predictHour2 += 1;
predictMinute2 -= 60;
}
Bus[index]["MinPredictTime"] = predictHour1 + ":" + predictMinute1;
Bus[index]["MaxPredictTime"] = predictHour2 + ":" + predictMinute2;
predictTime = [predictHour1 + "", predictMinute1 + "", predictHour2 + "", predictMinute2 + ""]
const dateBusDeparture = new Date(date.getFullYear(), date.getMonth(), date.getDate(), predictTime[0]*1, predictTime[1]*1, 0);
var gapSec = (dateBusDeparture.getTime() - date.getTime())/1000;
var gapHour = Math.floor(gapSec / 60 / 60);
var gapMin = Math.floor((gapSec - gapHour * 3600) / 60);
// var ans = gapHour + "시간" + gapMin + "분 이상";
// var ETD_min_H = predictTime[0];
// var ETD_min_M = predictTime[1];
// var ETD_max_H = predictTime[2];
// var ETD_max_M = predictTime[3];
//controller에 데이터 전송
var busIndex = module.exports.data.findIndex(function(e, idx){ return e.BusNum == Bus[index].BusNum;});
console.log(busIndex);
module.exports.data[busIndex]["remainTime"] = gapHour + "시간" + gapMin + "분 이상";
module.exports.data[busIndex]["ETD_min_H"] = predictTime[0];
module.exports.data[busIndex]["ETD_min_M"] = predictTime[1];
module.exports.data[busIndex]["ETD_max_H"] = predictTime[2];
module.exports.data[busIndex]["ETD_max_M"] = predictTime[3];
}
})
})
}
function start(){
setInterval(predict, 60000);
}
setTimeout(start, 10000);