Merge branch 'feature/DailyBoxOfficeList'(for version 1.0)

+//=============================================================
+var express = require('express');
+const request = require('request');
+const config = require('./config.json');
+//=============================================================
+const LINE_URL = 'https://api.line.me/v2/bot/message/reply'
+const TOKEN = config.TOKEN;
+const BOXOFFICE_URL = 'http://www.kobis.or.kr/kobisopenapi/webservice/rest/boxoffice/searchDailyBoxOfficeList.json'
+const KOFIC_KEY = config.KOFIC_KEY;
+//=============================================================
+
+// 어제 기준 영화 순위(1위 ~ 5위) 출력
+exports.ShowYesterdayRank = function(replyToken) {
+    
+    var yesterday = exports.GetYesterday();
+    
+    request.get(
+        {
+            url: BOXOFFICE_URL+`?key=${KOFIC_KEY}&targetDt=${yesterday}`,
+            json:true
+        },(error, response, body) => {
+            if(!error && response.statusCode == 200) {
+                console.log(body.boxOfficeResult);
+                
+                var movieName = [];
+                movieName[0] = body.boxOfficeResult.dailyBoxOfficeList[0].movieNm;
+                movieName[1] = body.boxOfficeResult.dailyBoxOfficeList[1].movieNm;
+                movieName[2] = body.boxOfficeResult.dailyBoxOfficeList[2].movieNm;
+                movieName[3] = body.boxOfficeResult.dailyBoxOfficeList[3].movieNm;
+                movieName[4] = body.boxOfficeResult.dailyBoxOfficeList[4].movieNm;
+
+                var movieOpenDt = [];
+                movieOpenDt[0] = body.boxOfficeResult.dailyBoxOfficeList[0].openDt;
+                movieOpenDt[1] = body.boxOfficeResult.dailyBoxOfficeList[1].openDt;
+                movieOpenDt[2] = body.boxOfficeResult.dailyBoxOfficeList[2].openDt;
+                movieOpenDt[3] = body.boxOfficeResult.dailyBoxOfficeList[3].openDt;
+                movieOpenDt[4] = body.boxOfficeResult.dailyBoxOfficeList[4].openDt;
+
+                var movieAudiAcc = [];
+                movieAudiAcc[0] = exports.numberWithCommas(body.boxOfficeResult.dailyBoxOfficeList[0].audiAcc);
+                movieAudiAcc[1] = exports.numberWithCommas(body.boxOfficeResult.dailyBoxOfficeList[1].audiAcc);
+                movieAudiAcc[2] = exports.numberWithCommas(body.boxOfficeResult.dailyBoxOfficeList[2].audiAcc);
+                movieAudiAcc[3] = exports.numberWithCommas(body.boxOfficeResult.dailyBoxOfficeList[3].audiAcc);
+                movieAudiAcc[4] = exports.numberWithCommas(body.boxOfficeResult.dailyBoxOfficeList[4].audiAcc);
+
+                request.post(
+                    {
+                        url: LINE_URL,
+                        headers: {
+                            'Authorization': `Bearer ${TOKEN}`
+                        },
+                        json: {
+                            "replyToken":replyToken,
+                            "messages":[
+                                {
+                                    "type":"text",
+                                    "text": 
+                                    `[1위]\n영화제목 : ${movieName[0]}\n개봉일 : ${movieOpenDt[0]}\n누적 관객 수 : ${movieAudiAcc[0]}명\n\n`+
+                                    `[2위]\n영화제목 : ${movieName[1]}\n개봉일 : ${movieOpenDt[1]}\n누적 관객 수 : ${movieAudiAcc[1]}명\n\n`+
+                                    `[3위]\n영화제목 : ${movieName[2]}\n개봉일 : ${movieOpenDt[2]}\n누적 관객 수 : ${movieAudiAcc[2]}명\n\n`+
+                                    `[4위]\n영화제목 : ${movieName[3]}\n개봉일 : ${movieOpenDt[3]}\n누적 관객 수 : ${movieAudiAcc[3]}명\n\n`+
+                                    `[5위]\n영화제목 : ${movieName[4]}\n개봉일 : ${movieOpenDt[4]}\n누적 관객 수 : ${movieAudiAcc[4]}명\n\n`
+                                }
+                            ]
+                        }
+                    },(error, response, body) => {
+                        console.log(body)
+                    });
+            }
+        });
+}
+
+
+// 어제 날짜를 YYYYMMDD 형식(type: string)으로 반환하는 함수
+exports.GetYesterday = function() {
+
+    var today = new Date();
+    var yesterday = new Date(today.setDate(today.getDate() - 1));
+    
+    var year = yesterday.getFullYear();
+    var month = ('0' + (yesterday.getMonth() + 1)).slice(-2);
+    var day = ('0' + yesterday.getDate()).slice(-2);
+
+    return (year + month + day);
+}  
+
+
+// 숫자 사이에 콤마(,) 찍고 반환하는 함수(입력, 출력 모두 문자열)
+exports.numberWithCommas = function(x) {
+    return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+}