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todo.php
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<?php
if(isset($_POST['add'])) {
$task_in = $_POST['task'];
}
if (isset($_GET['user_id'])) {
$user_in = $_GET['user_id'];
}
// setting up connection :
class Connection {
public $pdo;
public function __construct($dbms,$dbnm) {
try{
$this->pdo = new PDO("$dbms:dbname=$dbnm;host=localhost", "root","test");
// echo "CONNECTION ESTABLISHED";
}catch(PDOException $e) {
die("NO CONNECTION !!! PLEASE CHECK CONNECTION");
}
}
}
class User extends Connection {
public $task_prop;
public $user_prop;
public function insertDB($task_param,$user_param) {
$this->task_prop = $task_param;
$this->user_prop = $user_param;
// insertion :
if (isset($_POST['add']) && !empty($_POST['task'])) {
$dbQuery = $this->pdo->prepare('INSERT INTO tasks(task, user_id) VALUES(:task, :userid)');
$dbQuery->bindParam(':task', $this->task_prop, PDO::PARAM_STR);
$dbQuery->bindParam(':userid', $this->user_prop, PDO::PARAM_STR);
$dbQuery->execute();
}
}
}
$user = new User('mysql', 'todo');
$user->insertDB($task_in,$user_in);
// $user->selectDB($user_in);
// deletion
// if(isset($_GET['del_task'])){
// $id = $_GET['del_task'];
// $deleteQuery = "DELETE FROM tasks WHERE id=?";
// $dlt = $conn->prepare($deleteQuery);
// $dlt->execute([$id]);
// header('location: todo.php');
// }
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="style.css">
<title>Todo list</title>
</head>
<body>
<div class="heading">
<h3>New todo list :</h3>
</div>
<form action="<?php $_SERVER['PHP_SELF']?>" method="POST">
<?php
if (isset($_POST['add']) && empty($task_in)) { ?>
<p style="color:red;font-style: italic;"> please write something to add <p>
<?php } ?>
<input type="text" name="task" id="" class="task_inp">
<button type="submit" name="add" class="task_btn">Add Task</button>
</form>
<!-- making table to read the tasks -->
<table>
<thead>
<tr>
<th>No.</th>
<th>Task</th>
<th>Delete</th>
<th>Update</th>
</tr>
</thead>
<tbody>
<?php
class UI extends Connection{
public $user_prop;
public $id;
public function selectDB($user_param) {
$this->user_prop = $user_param;
//selection :
$dbSelect = $this->pdo->prepare("SELECT * FROM tasks WHERE user_id=:userid");
$dbSelect->bindParam(':userid', $this->user_prop , PDO::PARAM_STR);
$dbSelect->execute();
//deletion
if (isset($_GET['del_task'])) {
$this->id = $_GET['del_task'];
$dbDelete = $this->pdo->prepare("DELETE FROM tasks WHERE id=:id");
$dbDelete->bindParam(':id',$this->id,PDO::PARAM_INT);
$dbDelete->execute();
header("location: todo.php?user_id=$this->user_prop");
}
$i=1;
while($row = $dbSelect->fetch(PDO::FETCH_ASSOC)) { ?>
<tr>
<td class="no"><?php echo $i; ?></td>
<td class="task"><?php echo $row['task']; ?></td>
<td class="delete"><a href="todo.php?user_id=<?php echo $this->user_prop;?>&del_task=<?php echo $row['id']; ?>">x</a></td>
<td style="text-align:center;"><a href="todo.update.php?user_id=<?php echo $this->user_prop;?>&up_task=<?php echo $row['id'];?>" style="text-decoration:none;color:white;background:blue;">^</a></td>
</tr>
<?php $i++; } // while loop ends here
}
} // class UI ends here
$ui = new UI('mysql','todo');
$ui->selectDB($user_in);
?>
</tbody>
</table>
</body>
</html>