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```csharp
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System.Collections.Generic;
using System.Linq;
using WebApplication10.models;
namespace WebApplication10.Controllers
{
[Route("api/[controller]")]
[ApiController]
public class EvenshtController : ControllerBase
{
private static readonly List<User> Users = new List<User>();
private static readonly List<Event> Events = new List<Event>();
private static readonly Dictionary<string, List<string>> EventDetails = new Dictionary<string, List<string>>();
private static readonly Dictionary<string, List<string>> UserEvents = new Dictionary<string, List<string>>();
// POST api/event/register
[HttpPost("register")]
public IActionResult Register(User user)
{
Users.Add(user);
return Ok("Registration successful!");
}
// POST api/event/login
[HttpPost("login")]
public IActionResult Login(User user)
{
if (Users.Any(u => u.Username == user.Username && u.Password == user.Password))
{
return Ok("Login successful!");
}
return BadRequest("Invalid credentials.");
}
// GET api/event/upcoming
[HttpGet("upcoming")]
public IActionResult GetUpcomingEvents()
{
return Ok(Events);
}
// POST api/event/create
[HttpPost("create")]
public IActionResult CreateEvent(Event ev)
{
Events.Add(ev);
return Ok($"Event {ev.Name} created successfully!");
}
// POST api/event/join
[HttpPost("join")]
public ActionResult JoinEvent(User user, string eventName)
{
if (!UserEvents.ContainsKey(user.Username))
{
UserEvents[user.Username] = new List<string>();
}
UserEvents[user.Username].Add($"Participant: {user.Username}, Event: {eventName}");
// Add more event information as needed
return Ok($"Successfully joined event: {eventName}");
}
// GET api/event/track/{username}
[HttpGet("track/{username}")]
public IActionResult TrackEvents(string username)
{
if (UserEvents.ContainsKey(username))
{
List<string> trackedEvents = UserEvents[username];
List<string> detailedEventInfo = new List<string>();
foreach (string trackedEvent in trackedEvents)
{
// Extract event name from trackedEvent
string eventName = trackedEvent.Split(',')[1].Trim().Split(':')[1].Trim();
// Find the event in Events list
Event eventDetails = Events.FirstOrDefault(e => e.Name == eventName);
if (eventDetails != null)
{
// Construct detailed event information
string eventInfo = $"Event: {eventDetails.Name}, Location: {eventDetails.Location}, Date: {eventDetails.Date}, Description: {eventDetails.Description}";
detailedEventInfo.Add(eventInfo);
}
}
return Ok(detailedEventInfo);
}
return Ok("No events tracked yet.");
}
}
}
```
Now, your `EvenshtController` class includes the modified `TrackEvents` method for providing detailed information about events when tracking. here ...
Certainly! Below is an updated example that includes both user registration and login functionality using HTML and JavaScript. Again, this is a basic example, and in a production environment, you should implement server-side validation and security measures.
### HTML (index.html)
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Event Management System</title>
</head>
<body>
<div id="loginPage">
<h2>User Login</h2>
<form id="loginForm">
<label for="loginUsername">Username:</label>
<input type="text" id="loginUsername" required>
<br>
<label for="loginPassword">Password:</label>
<input type="password" id="loginPassword" required>
<br>
<button type="button" onclick="login()">Login</button>
</form>
</div>
<div id="registrationPage" style="display: none;">
<h2>User Registration</h2>
<form id="registrationForm">
<label for="registerUsername">Username:</label>
<input type="text" id="registerUsername" required>
<br>
<label for="registerPassword">Password:</label>
<input type="password" id="registerPassword" required>
<br>
<button type="button" onclick="register()">Register</button>
</form>
</div>
<div id="eventPage" style="display: none;">
<h2>Event Management</h2>
<!-- Display user data here -->
</div>
<script src="app.js"></script>
</body>
</html>
```
### JavaScript (app.js)
```javascript
document.addEventListener("DOMContentLoaded", function () {
// Check if the user is already logged in (you may use tokens or sessions for this)
const isLoggedIn = /* Add logic to check if the user is logged in */;
if (isLoggedIn) {
showEventPage();
} else {
showLoginPage();
}
});
function login() {
const username = document.getElementById("loginUsername").value;
const password = document.getElementById("loginPassword").value;
// Send a request to the backend for user login
// You may use fetch or another AJAX method for this
// Assuming a successful login for demonstration
const isLoggedIn = true;
if (isLoggedIn) {
showEventPage();
} else {
alert("Invalid credentials. Please try again.");
}
}
function register() {
const username = document.getElementById("registerUsername").value;
const password = document.getElementById("registerPassword").value;
// Send a request to the backend for user registration
// You may use fetch or another AJAX method for this
// Assuming a successful registration for demonstration
alert("Registration successful! Please log in.");
showLoginPage();
}
function showLoginPage() {
document.getElementById("loginPage").style.display = "block";
document.getElementById("registrationPage").style.display = "none";
document.getElementById("eventPage").style.display = "none";
}
function showEventPage() {
document.getElementById("loginPage").style.display = "none";
document.getElementById("registrationPage").style.display = "none";
document.getElementById("eventPage").style.display = "block";
// Fetch and display user data here
}
```
This example now includes a user registration form and corresponding JavaScript function (`register`). Adjust the backend communication logic in the `login` and `register` functions based on your application's requirements.
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