<!DOCTYPE HTML>
<?php
/*
* Start session
*/
session_start();
if (!array_key_exists("user", $_SESSION)) {
header('Location: index.php');
exit;
}
/*
* Include database class
*/
require("Includes/db.php");
/*
* Retrieve the ID of the wisher who is trying to add a wish
*/
$wisherID = WishDB::getInstance()->get_wisher_id_by_name($_SESSION['user']);
/*
* Initialize $wishDescriptionIsEmpty
*/
$wishDescriptionIsEmpty = false;
/*
* Checks that the Request method is POST, which means that the data
* was submitted from the form for entering the wish data on the editWish.php
* page itself
*/
if ($_SERVER['REQUEST_METHOD'] == "POST") {
/*
* Checks whether the $_POST array contains an element with the "back" key
*/
if (array_key_exists("back", $_POST)) {
/*
* The Back to the List key was pressed.
* Code redirects the user to the editWishList.php
*/
header('Location: editWishList.php');
exit;
}
/*
* Checks whether the element with the "wish" key in the $_POST
* array is empty, which means that no description was entered.
*/ else if ($_POST['wish'] == "") {
$wishDescriptionIsEmpty = true;
}
/*
* The "wish" key in the $_POST array is NOT empty,
* so a description is entered.
* Adds the wish description and the due date to the database
* via WishDB.insert_wish
*/ else if ($_POST['wishID'] == "") {
WishDB::getInstance()->insert_wish((int) $wisherID, $_POST['wish'],
$_POST['dueDate']);
header('Location: editWishList.php');
exit;
} else if ($_POST['wishID'] != "") {
WishDB::getInstance()->update_wish((int) $_POST['wishID'],
$_POST['wish'], $_POST['dueDate']);
header('Location: editWishList.php');
exit;
}
}
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Wish List Module</title>
<link href="wishlist.css" type="text/css" rel="stylesheet" media="all" />
</head>
<body>
<?php
if ($_SERVER['REQUEST_METHOD'] == "POST") {
$wish = array("id" => $_POST['wishID'],
"description" => $_POST['wish'],
"due_date" => $_POST['dueDate']);
} else {
if (array_key_exists("wishID", $_GET)) {
$row = WishDB::getInstance()->
get_wish_by_wish_id($_GET['wishID']);
$date = new DateTime($row['DUE_DATE'], new DateTimeZone("UTC"));
$wish = array(
"id" => $row['ID'],
"description" => $row['DESCRIPTION'],
"due_date" => $date->format(DateTime::ISO8601)
);
} else {
$wish = array("id" => "", "description" => "", "due_date" => "");
}
}
?>
<form name="editWish" action="editWish.php" method="POST">
<input type="hidden" name="wishID" value="<?php echo $wish['id']; ?>" />
<label>Describe your wish:</label>
<input type="text" name="wish"
value="<?php echo $wish['description']; ?>" /><br/>
<?php
if ($wishDescriptionIsEmpty) {
?>
<div class="error">Please enter description</div>
<?php
}
?>
<label>When do you want to get it? </label>
<input type="text" name="dueDate"
value="<?php echo $wish['due_date']; ?>"/>
<br/>
<br/>
<input type="submit" name="saveWish" value="Save Changes"/>
<input type="submit" name="back" value="Back to the List"/>
</form>
</body>
</html>
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