update,

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/app.js

@@ -0,0 +1,52 @@
+var createError = require('http-errors');
+var express = require('express');
+var path = require('path');
+var logger = require('morgan');
+
+var MONGO_HOST = "mongo";
+// var MONGO_HOST = "127.0.0.1";
+
+// use lab6-db
+var monk = require("monk");
+var db = monk(`${MONGO_HOST}:27017/lab6-db`);
+
+var indexRouter = require('./routes/index');
+var usersRouter = require('./routes/users');
+
+var app = express();
+
+// view engine setup
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'pug');
+
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(express.static(path.join(__dirname, 'public')));
+
+// Make our db accessible to routers 
+app.use(function(req,res,next){
+    req.db = db; 
+	next();
+});
+
+app.use('/', indexRouter);
+app.use('/users', usersRouter);
+
+// for requests not matching the above routes, create 404 error and forward to error handler
+app.use(function(req, res, next) {
+    next(createError(404));
+});
+
+// error handler
+app.use(function(err, req, res, next) {
+  // set locals, only providing error in development environment
+    res.locals.message = err.message;
+    res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+    // render the error page
+    res.status(err.status || 500);
+    res.render('error');
+});
+
+module.exports = app;

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/bin/www

@@ -0,0 +1,90 @@
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('app:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "app",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www"
+  },
+  "dependencies": {
+    "cookie-parser": "~1.4.4",
+    "debug": "~2.6.9",
+    "express": "~4.16.1",
+    "http-errors": "~1.6.3",
+    "jade": "~1.11.0",
+    "monk": "^7.3.4",
+    "morgan": "~1.9.1",
+    "pug": "^3.0.2"
+  }
+}

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/public/javascripts/externalJS.js

@@ -0,0 +1,109 @@
+$(document).ready(function() {
+    showAllTopics()
+});
+
+
+// step 7.2
+function showAllTopics() {
+  var table_content = `
+        <tr>
+            <th>Topic Name</th>
+            <th>Study Hour</th>
+            <th>Chosen Status</th>
+            <th>Operation</th>
+        </tr>
+    `;
+
+  $.getJSON("/users/get_table", function (data) {
+    $.each(data, function () {
+      // 1. for each row tag, add the attribute class=“highlight” if the status field of the topic is “yes”
+
+      // 2. the last <td> element contains an <a> element with text “add” or “remove”
+      //    (if status field equals to “yes”, text should be “remove”; otherwise, text should be “add”)
+
+      // 3. The table row representations should be all concatenated into the string table_content.
+      table_content += `
+          <tr ${this.status == "yes" ? 'class="highlight"' : ""}>
+            <td>${this.name}</td>
+            <td>${this.hour}</td>
+            <td>${this.status}</td>
+            <td>
+              ${
+                this.status == "yes"
+                  ? `<a  href="#" class="operation" rel="${this._id}" >remove</a>`
+                  : `<a  href="#" class="operation" rel="${this._id}" >add</a>`
+              }
+            </td>
+          </tr>`;
+    });
+
+    // Finally, use $(‘#plan_table’).html() to set HTML content of the table element of id “plan_table” to table_content.
+    $("#plan_table").html(table_content);
+  });
+}
+
+// step 8.2
+function operateTopic(event) {
+  // event.preventDefault() to prevent opening the link “#” when the hyperlink is clicked
+  event.preventDefault();
+
+  // retrieve _id of the topic that you are going to add/remove from the ‘rel’ attribute using $(this).attr(‘rel’)
+  var _id = $(this).attr("rel");
+
+  // use $.ajax() to send a HTTP PUT request for “/users/update_status” with JSON data
+  // {_id: _id field retrieved, op: operation retrieved};
+  $.ajax({
+    type: "PUT",
+    url: `/users/update_status`,
+    data: {
+      _id: _id,
+      // retrieve the operation that your are going to perform using $(this).html().
+      op: $(this).html(),
+    },
+    dataType: "JSON",
+  }).done(function (response) {
+    if (response.msg === "Successfully updated!") {
+      // alert the response message and call showAllTopics() to refresh the topic table.
+      alert("Successfully updated!");
+
+      // call showAllTopics() to refresh the topic table.
+      showAllTopics();
+    } else {
+      alert(response.msg);
+    }
+  });
+}
+
+$("#plan_table").on("click", ".operation", operateTopic);
+
+
+// step 9.2
+function deleteTopic(event) {
+  event.preventDefault();
+
+  var topic_name = $("#input_name").val();
+
+  // check if the topic_name is valid
+  if ($(`td:contains("${topic_name}")`).length > 0) {
+    // If the length of the list is not 0, use $.ajax() to send a HTTP DELETE request for “/users/delete_topic/:topic_name”;
+    $.ajax({
+      type: "DELETE",
+      url: `/users/delete_topic/${topic_name}`,
+    }).done(function (res) {
+      if (res.msg == "Successfully deleted!") {
+        // success delete,
+        // 1. call showAllTopics() to refresh the topic table.
+        // 2. alert response message
+        showAllTopics();
+        alert(res.msg);
+      }
+      // clear after delete operation
+      $("#input_name").val("");
+    });
+  } else {
+    // alert the message “No such topic in the table!”
+    alert("No such topic in the table!");
+  }
+}
+
+$("#submit_delete").on('click', deleteTopic)

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/public/stylesheets/style.css

@@ -0,0 +1,159 @@
+body {
+  margin: 0;
+  background: #163a50;
+  font: 300 100%/120% "Tahoma", Arial, Helvetica, sans-serif;
+}
+
+header {
+  overflow: hidden;
+}
+
+header, nav, .contents, footer {
+  box-sizing: border-box;
+  max-width: 1080px;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+header, nav, footer {
+  background: #0f2736;
+}
+
+h1, h2, h3, h4 {
+  font-weight: bold
+}
+
+.contents {
+  padding: 1em 2em 2.5em 2em;
+}
+
+/* increase line spacing for main title */
+h1 {
+  line-height: 120%;
+  margin-top: 0.5em;
+  float: left;
+  width: auto;
+}
+
+header img {
+  float: left;
+}
+
+/* change color and remove underline for links */
+footer a {
+  color: inherit;
+  text-decoration: none;
+}
+
+#plan_table a {
+  color: rgb(0, 47, 255);
+}
+
+/* size and margin for logo image */
+header img {
+  max-width: 100%;
+  max-height: 100%;
+  margin: 0.5em;
+}
+
+form {
+  padding: 1em 2em;
+}
+
+input[type="number"] {
+  min-width: 4em;
+}
+
+/* style for footer */
+footer {
+  margin: auto;
+  text-align: center;
+}
+
+footer div {
+  padding: 1em;
+}
+
+.contents h2 {
+  text-align: center;
+}
+
+button {
+  margin-top: 1em;
+  margin-bottom: 1em;
+  width: 5em;
+  height: 2em;
+}
+
+input {
+  width: 5em;
+  height: 1.6em;
+  margin-right: 2em;
+}
+
+#delete_div p{
+  color: gray;
+}
+
+
+header *, nav * {
+  color: #FFFFFF;
+}
+
+.contents {
+  background: #FFFFFF;
+}
+
+.subtitle {
+  font-size: 0.6em;
+  font-weight: normal;
+}
+
+@media screen and (max-width: 1080px) {
+  header,nav {
+      overflow: hidden;
+  }
+}
+
+@media screen and (max-width: 720px) {
+  header img {
+      display: none;
+  }
+  header h1 {
+      padding: 0 0.5em;
+  }
+  nav div {
+      width: 100%;
+  }
+}
+
+.contents {
+  text-align: center;
+}
+
+.contents li{
+  text-align: left;
+}
+
+/* style for the table */
+table, th, td {
+  border: 1.8px solid black;
+  border-collapse: collapse;
+  text-align: center;
+  vertical-align: center;
+  margin: auto;
+  width: 400px;
+  height: 50px;
+}
+
+th {
+  background-color: rgb(178, 177, 177);
+}
+
+.highlight {
+  background-color: rgb(255, 0, 0);
+}
+
+#plan_table {
+  margin-bottom: 2em;
+}

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/public/stylesheets/style.js

@@ -0,0 +1,159 @@
+body {
+    margin: 0;
+    background: #163a50;
+    font: 300 100%/120% "Tahoma", Arial, Helvetica, sans-serif;
+}
+
+header {
+    overflow: hidden;
+}
+
+header, nav, .contents, footer {
+    box-sizing: border-box;
+    max-width: 1080px;
+    margin-left: auto;
+    margin-right: auto;
+}
+
+header, nav, footer {
+    background: #0f2736;
+}
+
+h1, h2, h3, h4 {
+    font-weight: bold
+}
+
+.contents {
+    padding: 1em 2em 2.5em 2em;
+}
+
+/* increase line spacing for main title */
+h1 {
+    line-height: 120%;
+    margin-top: 0.5em;
+    float: left;
+    width: auto;
+}
+
+header img {
+    float: left;
+}
+
+/* change color and remove underline for links */
+footer a {
+    color: inherit;
+    text-decoration: none;
+}
+
+#plan_table a {
+    color: rgb(0, 47, 255);
+}
+
+/* size and margin for logo image */
+header img {
+    max-width: 100%;
+    max-height: 100%;
+    margin: 0.5em;
+}
+
+form {
+    padding: 1em 2em;
+}
+
+input[type="number"] {
+    min-width: 4em;
+}
+
+/* style for footer */
+footer {
+    margin: auto;
+    text-align: center;
+}
+
+footer div {
+    padding: 1em;
+}
+
+.contents h2 {
+    text-align: center;
+}
+
+button {
+    margin-top: 1em;
+    margin-bottom: 1em;
+    width: 5em;
+    height: 2em;
+}
+
+input {
+    width: 5em;
+    height: 1.6em;
+    margin-right: 2em;
+}
+
+#delete_div p{
+    color: gray;
+}
+
+
+header *, nav * {
+    color: #FFFFFF;
+}
+
+.contents {
+    background: #FFFFFF;
+}
+
+.subtitle {
+    font-size: 0.6em;
+    font-weight: normal;
+}
+
+@media screen and (max-width: 1080px) {
+    header,nav {
+        overflow: hidden;
+    }
+}
+
+@media screen and (max-width: 720px) {
+    header img {
+        display: none;
+    }
+    header h1 {
+        padding: 0 0.5em;
+    }
+    nav div {
+        width: 100%;
+    }
+}
+
+.contents {
+    text-align: center;
+}
+
+.contents li{
+    text-align: left;
+}
+
+/* style for the table */
+table, th, td {
+    border: 1.8px solid black;
+    border-collapse: collapse;
+    text-align: center;
+    vertical-align: center;
+    margin: auto;
+    width: 400px;
+    height: 50px;
+}
+
+th {
+    background-color: rgb(178, 177, 177);
+}
+
+.highlight {
+    background-color: rgb(255, 0, 0);
+}
+
+#plan_table {
+    margin-bottom: 2em;
+}

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/routes/index.js

@@ -0,0 +1,9 @@
+var express = require('express');
+var router = express.Router();
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+  res.render('index', { title: 'Express' });
+});
+
+module.exports = router;

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/views/index.pug

@@ -0,0 +1,30 @@
+extends layout
+
+
+
+block content 
+    div#debug_test
+      
+    header
+        img(src='/images/logo.png' width="128" height="128")
+        h1 Course Study Plan
+            br 
+            span(class="subtitle") COMP3322A Modern Technologies on World Wide Web
+
+    section(class="contents")
+        h2 Instruction
+        ul
+            li Add/Remove a topic to/from your study plan by clicking the respective operation.
+            li Delete a topic permanently by typing its name into the input box and clicking the "Delete" button.
+        hr
+
+        h2 Topic Plan
+        div
+            table#plan_table
+        div#delete_div
+            p Fill in a topic name to delete it from the table permanently:
+            input#input_name(type='text', placeholder='topic name')
+            button#submit_delete Delete
+
+    footer
+        div <a href="#">Back to top</a>

COMP3322A-Lab-6-Nodejs-WebService-Pug/app/views/layout.pug

@@ -0,0 +1,10 @@
+doctype html
+html
+    head
+        title= "lab6"
+        link(rel='stylesheet', href='/stylesheets/style.css')
+        meta(name="viewport" content="width=device-width, initial-scale=1.0")
+    body
+        block content
+        script(src='https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js') 
+        script(src='/javascripts/externalJS.js')