[Modify][Add]subjectGet function

@@ -32,7 +32,10 @@ async function loglogin(id, pw) {
         }
         else {
             // return [id, pw, `I got data { id:"${id}"  pw:"${pw}" }`]; 
-            return peedGet(page);
+            await peedGet(page);
+            await page.waitForTimeout(3000);
+            await page.click('body > div:nth-child(9) > div.ui-dialog-titlebar.ui-widget-header.ui-corner-all.ui-helper-clearfix > button > span');
+            await subjectGet(page);
          }
     }catch(err){
         console.log(err)
@@ -61,7 +64,35 @@ async function peedGet(page) {
     return Promise.resolve(data);
 }
 
-//function that contact E_Campus
+
+async function subjectGet(page) {
+    await page.waitForTimeout(5000);
+    await page.click('#global_nav_courses_link > div.menu-item-icon-container > svg')
+    await page.waitForTimeout(5000);
+    let data= [];
+    const number = await page.$$eval("#nav-tray-portal > span > span > div > div > div > div > div > ul:nth-child(3) > li", (data) => data.length);
+    for (let index = 0; index < number; index++) {
+        data.push(await getOne(page, index + 1));
+    }
+    console.log(Promise.resolve(data));
+}
+
+async function getOne(page, index) {
+    let data = {};
+    let temp = await page.$("#nav-tray-portal > span > span > div > div > div > div > div > ul:nth-child(3) > li:nth-child(" + index + ") > a");
+    data.name = await page.evaluate((data) => {
+        return data.textContent;
+    }, temp);
+    data.link = await page.evaluate((data) => {
+        return data.href;
+    }, temp);
+    // data.subjectName = await page.$eval("#nav-tray-portal > span > span > div > div > div > div > div > ul:nth-child(3) > li:nth-child(" + index + ") > a", (data) => data.textContent);
+    // data.subjectLink = await page.$eval("#nav-tray-portal > span > span > div > div > div > div > div > ul:nth-child(3) > li:nth-child(" + index + ") > a", (data) => data.href);
+    return Promise.resolve(data);
+}
+
+
+// function that contact E_Campus
 // if your account is correct, value = Promise {
 //  {  name: '캘린더 피드를 보려면 클릭하세요.',
 //    link: 'https://khcanvas.khu.ac.kr/feeds/calendars/user_~~~.ics'
@@ -81,4 +112,4 @@ try {
 
 login("2021105253", "qtw@@04271");
 
-// export { login };
+export { login };

 const puppeteer  = require("puppeteer");
- function login(id, pw) {
-   const crawler = async() => {
+//use puppeteer
+
+function setTimeoutPromise(ms) {
+    return new Promise((resolve, reject) => {
+      setTimeout(() => resolve(), ms);
+    });
+}
+
+async function loglogin(id, pw) {
     try{
+        //for visibility, headless: false  
         const browser = await puppeteer.launch({headless: false, args:['--window-size=1920,1080']});
+        
         const page = await browser.newPage();
-        let information = {};
         await page.setViewport({
             width:1920,
             height:1080
@@ -12,37 +20,94 @@ const puppeteer  = require("puppeteer");
         await page.goto('https://e-campus.khu.ac.kr/xn-sso/login.php?auto_login=&sso_only=&cvs_lgn=&return_url=https%3A%2F%2Fe-campus.khu.ac.kr%2Fxn-sso%2Fgw-cb.php%3Ffrom%3D%26login_type%3Dstandalone%26return_url%3Dhttps%253A%252F%252Fe-campus.khu.ac.kr%252Flogin%252Fcallback');
         await page.type("#login_user_id", id);
         await page.type("#login_user_password", pw);
+        
+        //press the login button on E_Campus homepage
         await page.click('#form1 > div > div.login_btn > a > span');
+        await page.waitForTimeout(500);
+        await setTimeoutPromise(1000);
+        
+        //When login is failed, return [id, pw, message] -> ["", "", "Incorrect~"]
         if(page.url() === 'https://e-campus.khu.ac.kr/xn-sso/gw-cb.php?from=&login_type=standalone&return_url=https%3A%2F%2Fe-campus.khu.ac.kr%2Flogin%2Fcallback'){
-            return ["", "", "Incorrect user ID or password."]; 
+            return ["", "", "Incorrect user ID or password."];   
         }
         else {
-            await page.waitForTimeout(5000);
-            // await page.goto('https://khcanvas.khu.ac.kr');
-            await page.click('#visual > div > div.xn-main-login-container > div:nth-child(2) > div.xn-main-link-wrap.xn-main-lms-link-wrap > a');
-            await page.waitForTimeout(500);
-            await page.click('#global_nav_calendar_link > div.menu-item-icon-container > svg');
-            await page.waitForTimeout(10000);
-            await page.click('#calendar-feed > button');
-            let data = {};
-            let temp =  await page.$('#calendar-feed-box-lower > a');
-            data.name = await page.evaluate((data) => {
-                return data.textContent;
-            }, temp);
-            data.link = await page.evaluate((data) => {
-                return data.href;
-            }, temp);
-            
-            console.log(Promise.resolve(data));
-            
-        }
+            // return [id, pw, `I got data { id:"${id}"  pw:"${pw}" }`]; 
+            await peedGet(page);
+            await page.waitForTimeout(3000);
+            await page.click('body > div:nth-child(9) > div.ui-dialog-titlebar.ui-widget-header.ui-corner-all.ui-helper-clearfix > button > span');
+            await subjectGet(page);
+         }
     }catch(err){
         console.log(err)
     }
-  }
+}
 
-  crawler();
+//function that get your peed for your Ecampus calendar
+async function peedGet(page) {
+    await page.waitForTimeout(5000);
+    // await page.goto('https://khcanvas.khu.ac.kr');
+    await page.click('#visual > div > div.xn-main-login-container > div:nth-child(2) > div.xn-main-link-wrap.xn-main-lms-link-wrap > a');
+    await page.waitForTimeout(1000);
+    await page.click('#global_nav_calendar_link > div.menu-item-icon-container > svg');
+    await page.waitForTimeout(10000);
+    await page.click('#calendar-feed > button');
+    let data = {};
+    let temp =  await page.$('#calendar-feed-box-lower > a');
+    data.name = await page.evaluate((data) => {
+        return data.textContent;
+    }, temp);
+    data.link = await page.evaluate((data) => {
+        return data.href;
+    }, temp);
+            
+    console.log(Promise.resolve(data));
+    return Promise.resolve(data);
+}
+
+
+async function subjectGet(page) {
+    await page.waitForTimeout(5000);
+    await page.click('#global_nav_courses_link > div.menu-item-icon-container > svg')
+    await page.waitForTimeout(5000);
+    let data= [];
+    const number = await page.$$eval("#nav-tray-portal > span > span > div > div > div > div > div > ul:nth-child(3) > li", (data) => data.length);
+    for (let index = 0; index < number; index++) {
+        data.push(await getOne(page, index + 1));
+    }
+    console.log(Promise.resolve(data));
+}
+
+async function getOne(page, index) {
+    let data = {};
+    let temp = await page.$("#nav-tray-portal > span > span > div > div > div > div > div > ul:nth-child(3) > li:nth-child(" + index + ") > a");
+    data.name = await page.evaluate((data) => {
+        return data.textContent;
+    }, temp);
+    data.link = await page.evaluate((data) => {
+        return data.href;
+    }, temp);
+    // data.subjectName = await page.$eval("#nav-tray-portal > span > span > div > div > div > div > div > ul:nth-child(3) > li:nth-child(" + index + ") > a", (data) => data.textContent);
+    // data.subjectLink = await page.$eval("#nav-tray-portal > span > span > div > div > div > div > div > ul:nth-child(3) > li:nth-child(" + index + ") > a", (data) => data.href);
+    return Promise.resolve(data);
+}
+
+
+// function that contact E_Campus
+// if your account is correct, value = Promise {
+//  {  name: '캘린더 피드를 보려면 클릭하세요.',
+//    link: 'https://khcanvas.khu.ac.kr/feeds/calendars/user_~~~.ics'
+//  }
+//}
+// if your account is incorrect, value = [ '', '', 'Incorrect user ID or password.' ]
+async function login(id, pw) {
+  await setTimeoutPromise(1000);
+try {
+  // value has the list ["","","Incorrect~"] 
+  const value = await loglogin(id, pw);
+  console.log(value);
+} catch (e) {
+  console.error(e);
+  }
 }
 
-login("lorem", "lorem");
-console.log(login("lorem", "lorem"));   
\ No newline at end of file
+login("2021105253", "qtw@@04271");
\ No newline at end of file