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Functionality and database changes #84

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0e5bd3f
Functionality and database changes
ngush67 Jun 15, 2024
e0d6faa
Olly COdes'
ngush67 Jun 15, 2024
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20 changes: 20 additions & 0 deletions courses.ejs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
<!DOCTYPE html>
<html>
<head>
<title>Courses - Learning Management System</title>
</head>
<body>
<h1>Select Your Courses</h1>
<form action="/select-course" method="post">
<select name="courseId">
<% courses.forEach(course => { %>
<option value="<%= course.id %>"><%= course.name %></option>
<% }); %>
</select>
<br>
<button type="submit">Select Course</button>
</form>
<br>
<a href="/my-courses">View My Courses</a>
</body>
</html>
16 changes: 16 additions & 0 deletions my-courses.ejs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
<!DOCTYPE html>
<html>
<head>
<title>My Courses - Learning Management System</title>
</head>
<body>
<h1>My Courses</h1>
<ul>
<% courses.forEach(course => { %>
<li><%= course.name %></li>
<% }); %>
</ul>
<br>
<a href="/courses">Select More Courses</a>
</body>
</html>
61 changes: 51 additions & 10 deletions server.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,3 @@
// server.js
const express = require('express');
const session = require('express-session');
const bcrypt = require('bcryptjs');
Expand All @@ -18,7 +17,7 @@ app.use(session({
const connection = mysql.createConnection({
host: 'localhost',
user: 'root',
password: '',
password: '', // Update with your MySQL password if needed
database: 'learning_management'
});

Expand All @@ -45,8 +44,6 @@ app.get('/', (req, res) => {
res.sendFile(__dirname + '/index.html');
});



// Define a User representation for clarity
const User = {
tableName: 'users',
Expand Down Expand Up @@ -141,25 +138,69 @@ app.post('/logout', (req, res) => {
res.send('Logout successful');
});

//Dashboard route
// Dashboard route
app.get('/dashboard', (req, res) => {
// Assuming you have middleware to handle user authentication and store user information in req.user
const userFullName = req.user.full_name;
res.render('dashboard', { fullName: userFullName });
if (!req.session.user) {
return res.status(401).send('You need to log in to access this page');
}
res.sendFile(__dirname + '/dashboard.html');
});

// Route to retrieve course content
app.get('/course/:id', (req, res) => {
const courseId = req.params.id;
const sql = 'SELECT * FROM courses WHERE id = ?';
db.query(sql, [courseId], (err, result) => {
connection.query(sql, [courseId], (err, result) => {
if (err) {
throw err;
}
// Send course content as JSON response
res.json(result);
});
});
});

// Route to select courses
app.post('/select-courses', (req, res) => {
if (!req.session.user) {
return res.status(401).send('You need to log in to select courses');
}

const userId = req.session.user.id;
const courseIds = req.body.courseIds; // Assume courseIds is an array of selected course IDs

// Insert selected courses into user_courses table
const values = courseIds.map(courseId => [userId, courseId]);
const sql = 'INSERT INTO user_courses (user_id, course_id) VALUES ?';

connection.query(sql, [values], (err, result) => {
if (err) {
return res.status(500).send('Error selecting courses');
}
res.send('Courses selected successfully');
});
});

// Route to get selected courses for logged-in user
app.get('/my-courses', (req, res) => {
if (!req.session.user) {
return res.status(401).send('You need to log in to view your courses');
}

const userId = req.session.user.id;
const sql = `
SELECT courses.id, courses.name
FROM courses
JOIN user_courses ON courses.id = user_courses.course_id
WHERE user_courses.user_id = ?
`;

connection.query(sql, [userId], (err, results) => {
if (err) {
return res.status(500).send('Error retrieving courses');
}
res.json(results);
});
});

// Start server
const PORT = process.env.PORT || 3000;
Expand Down