Merges gh-pages to master

README.md

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+# TODO-WebApplication
+
+You can access this project through the given link [TODO-Web App](https://myawesometodo.000webhostapp.com/).

add_todo.php

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+<?php
+session_start();
+require_once 'db_connect.php';
+
+// Check if the user is logged in
+if (!isset($_SESSION['user_id'])) {
+    $response = array('success' => false, 'message' => 'User not logged in.');
+    echo json_encode($response);
+    exit();
+}
+
+// Prepare the SQL statement
+$stmt = $mysqli->prepare("INSERT INTO todos (user_id, item) VALUES (?, ?)");
+$stmt->bind_param("is", $_SESSION['user_id'], $_POST['item']);
+
+// Execute the statement
+$success = $stmt->execute();
+
+// Get the ID of the inserted row
+$itemId = $stmt->insert_id;
+
+// Close the statement and database connection
+$stmt->close();
+$mysqli->close();
+
+// Prepare the response
+if ($success) {
+    $response = array('success' => true, 'itemId' => $itemId);
+} else {
+    $response = array('success' => false, 'message' => 'Failed to add the todo.');
+}
+
+// Return the response as JSON
+echo json_encode($response);
+?>

db_connect.php

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+<?php
+// Database credentials
+$host = 'localhost'; // Replace with your host name
+$dbUsername = 'root'; // Replace with your database username
+$dbPassword = ''; // Replace with your database password
+$dbName = 'todo'; // Replace with your database name
+
+// Create a new MySQLi object and establish the connection
+$mysqli = new mysqli($host, $dbUsername, $dbPassword, $dbName);
+
+// Check the connection
+if ($mysqli->connect_error) {
+    die('Connect Error: ' . $mysqli->connect_error);
+}
+?>

edit_todo.php

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+<?php
+// Check if the ID and newText parameters are provided
+if (isset($_POST['id']) && isset($_POST['newText']) && !empty(trim($_POST['newText']))) {
+    // Retrieve the values from the request
+    $itemId = $_POST['id'];
+    $newText = $_POST['newText'];
+
+    require_once 'db_connect.php';
+
+    // Prepare and execute the update statement
+    $stmt = $mysqli->prepare("UPDATE todos SET item = ? WHERE id = ?");
+    $stmt->bind_param("si", $newText, $itemId);
+
+    // Check if the update value is not empty
+    if (!empty($newText)) {
+        $stmt->execute();
+    }
+    // Check if the update was successful
+    if ($stmt->affected_rows > 0) {
+        $response = array("success" => true);
+    } else {
+        $response = array("success" => false, "message" => "Failed to update the todo.");
+    }
+
+    // Close the prepared statement and database connection
+    $stmt->close();
+    $mysqli->close();
+
+    // Return the response as JSON
+    echo json_encode($response);
+} else {
+    // If the ID or newText parameters are missing, return an error response
+    $response = array("success" => false, "message" => "Invalid request.");
+    echo json_encode($response);
+}
+

fetch_todos.php

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+<?php
+session_start();
+require_once 'db_connect.php';
+
+// Check if the user is logged in
+if (!isset($_SESSION['user_id'])) {
+    // Redirect to the login page or handle the unauthorized access as per your requirements
+    echo "<script>alert('You are not logged in.');</script>";
+    echo "<script>window.location.href = 'login.php';</script>";
+    exit();
+}
+
+// Fetch todos for the logged-in user
+$user_id = $_SESSION['user_id'];
+
+// Prepare the SQL statement
+$stmt = $mysqli->prepare("SELECT * FROM todos WHERE user_id = ?");
+$stmt->bind_param("i", $user_id);
+$stmt->execute();
+$result = $stmt->get_result();
+
+// Fetch all todo items for the user
+$todos = array();
+if ($result->num_rows > 0) {
+    while ($row = $result->fetch_assoc()) {
+        $todos[] = $row;
+    }
+}
+
+// Close the statement and database connection
+$stmt->close();
+$mysqli->close();
+
+// Return the todos as a JSON response
+$response = array('success' => true, 'todos' => $todos);
+header('Content-Type: application/json'); // Set the response header as JSON
+echo json_encode($response);
+?>

index.php

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Awesome Page</title>
+  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
+  <style>
+    body, html {
+      height: 100%;
+    }
+    
+    .full-screen {
+      background-color: #f5f5f5;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+      height: 100%;
+    }
+    
+    .jumbotron {
+      background-color: #333;
+      color: #fff;
+      padding: 50px;
+      text-align: center;
+    }
+    
+    .display-4 {
+      font-size: 3rem;
+      margin-bottom: 30px;
+    }
+    
+    .buttons {
+      margin-top: 30px;
+    }
+  </style>
+</head>
+<body>
+  <div class="full-screen">
+    <div class="jumbotron">
+      <h1 class="display-4">Welcome to the Awesome Page</h1>
+      <div class="buttons">
+        <a href="register.php" class="btn btn-primary btn-lg mr-3">Sign Up</a>
+        <a href="signin.php" class="btn btn-secondary btn-lg">Log In</a>
+      </div>
+    </div>
+  </div>
+</body>
+</html>

landing.css

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+body {
+    background-color: #f5f5f5;
+  }
+
+  .jumbotron {
+    background-color: #333;
+    color: #fff;
+    height: 100vh;
+    margin-bottom: 0;
+  }
+
+  .display-4 {
+    font-size: 3rem;
+    margin-top: 200px;
+  }
+
+  .buttons {
+    margin-top: 50px;
+  }
+

login.php

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+<?php
+session_start();
+require_once 'db_connect.php';
+
+if (isset($_POST['email']) && isset($_POST['password'])) {
+    $email = $_POST['email'];
+    $password = $_POST['password'];
+
+    if (!empty($email) && !empty($password)) {
+        $stmt = $mysqli->prepare("SELECT * FROM users WHERE email = ?");
+        $stmt->bind_param("s", $email);
+        $stmt->execute();
+        $result = $stmt->get_result();
+        $user = $result->fetch_assoc();
+
+        if ($user && password_verify($password, $user['password'])) {
+            $_SESSION['user_id'] = $user['id']; // Store the user_id in the session
+
+            echo "<script>alert('Login successful!');</script>";
+            echo "<script>window.location.href = 'todolist.php';</script>";
+            exit();
+        } else {
+            echo "<script>alert('Invalid email or password.');</script>";
+            echo "<script>window.location.href = 'signin.php';</script>";
+        }
+
+    } else {
+        echo "<script>alert('Please fill in all the required fields.');</script>";
+        echo "<script>window.location.href = 'signin.php';</script>";
+    }
+    $stmt->close();
+    $mysqli->close();
+}
+?>

logout.php

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+<?php
+session_start(); // Start the session
+
+// Clear all session data
+session_unset();
+
+// Destroy the session
+session_destroy();
+
+// Redirect the user to the login page
+header("Location: signin.php");
+exit();
+?>