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edit_event.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>Assignment 2 | Edit Event</title>
<link rel="stylesheet" href="css/styles.css">
<!-- Bootstrap CSS --><link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous">
<!-- Bootstrap Icons --><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/font/bootstrap-icons.css">
<!-- Animate.css --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css" />
<!-- DataTables Bootstrap 5 --><link rel="stylesheet" href="https://cdn.datatables.net/1.13.6/css/dataTables.bootstrap5.min.css" />
<style>
.card {
width: 100%;
border: none;
box-shadow: 0 2px 2px rgba(0,0,0,.08), 0 0 6px rgba(0,0,0,.05);
}
.title {
font-size: 1.75rem;
/* font-weight: bold; */
}
.disabled {
pointer-events: all !important;
cursor: default;
}
</style>
</head>
<body class="admin-bg">
<?php
include 'db_controller.php';
$conn->select_db("Alumni");
session_start();
include 'logged_admin.php';
// GET request (default)
if ($_SERVER["REQUEST_METHOD"] == "GET") {
$SQLEditEvent = $conn->prepare("SELECT * FROM event_table WHERE id = ?");
$SQLEditEvent->bind_param("s", $_GET['id']);
$SQLEditEvent->execute();
$eventDetails = $SQLEditEvent->get_result()->fetch_assoc();
}
// POST request
if ($_SERVER["REQUEST_METHOD"] == "POST") {
unset($errors);
foreach ($_POST as $key => $value) {
$_POST[$key] = trim($_POST[$key]);
$value = trim($value);
// check for empty fields
if ($key == 'date' && $value == '')
$errors[$key] = '*Date is required.';
elseif ($key == 'date')
$verified[$key] = true;
if ($key == 'type' && $value == '')
$errors[$key] = '*Type is required.';
elseif ($key == 'type')
$verified[$key] = true;
if ($key == 'title' && $value == '')
$errors[$key] = '*Title is required.';
elseif ($key == 'title' && strlen($value) >= 100)
$errors[$key] = '*Title must be less than 100 characters.';
elseif ($key == 'title')
$verified[$key] = true;
if ($key == 'location' && $value == '')
$errors[$key] = '*Location is required.';
elseif ($key == 'location' && strlen($value) >= 50)
$errors[$key] = '*Location must be less than 50 characters.';
elseif ($key == 'location')
$verified[$key] = true;
if ($key == 'description' && $value == '')
$errors[$key] = '*Description is required.';
elseif ($key == 'description' && strlen($value) >= 700)
$errors[$key] = '*Description must be less than 700 characters.';
elseif ($key == 'description')
$verified[$key] = true;
}
if (isset($_FILES["image"]) && $_FILES["image"]["error"] == 0) {
$fileExtension = pathinfo($_FILES["image"]["name"], PATHINFO_EXTENSION);
if (!in_array($fileExtension, ["jpg", "png"]))
$errors['image'] = '*Photo must be of type jpg or png.';
}
isset($_POST['image']) ? $eventDetails["photo"] = $_POST['image'] : NULL;
$eventDetails['id'] = $_POST['id'];
$eventDetails['title'] = $_POST['title'];
$eventDetails['event_date'] = $_POST['date'];
$eventDetails['location'] = $_POST['location'];
$eventDetails['description'] = $_POST['description'];
$eventDetails['type'] = $_POST['type'];
// If all validations are checked and cleared
if (empty($errors)) {
$SQLGetOri = $conn->prepare("SELECT * FROM event_table WHERE id = ?");
$SQLGetOri->bind_param("s", $_POST['id']);
$SQLGetOri->execute();
$original = $SQLGetOri->get_result()->fetch_assoc();
if (isset($_FILES["image"]) && $_FILES["image"]["error"] == 0){
} else {
if ($_POST['type'] == "Event" && ($original['photo'] == "default_news.png" || $original['photo'] == "default_events.jpg"))
$_FILES["image"]["name"] = "default_events.jpg";
elseif ($_POST['type'] == "News" && ($original['photo'] == "default_news.png" || $original['photo'] == "default_events.jpg"))
$_FILES["image"]["name"] = "default_news.png";
else
$_FILES["image"]["name"] = $original['photo'];
}
try {
// Edit event/news on DB
$SQLUpdateEvent = $conn->prepare("UPDATE event_table SET
title = ?,
location = ?,
description = ?,
event_date = ?,
photo = ?,
type = ?
WHERE id = ?
");
$SQLUpdateEvent->bind_param("sssssss", $_POST['title'],$_POST['location'],$_POST['description'],$_POST['date'],$_FILES["image"]["name"],$_POST['type'],$_POST['id']);
if($SQLUpdateEvent->execute()) {
$insertedID = $_POST['id'];
// If type has changed, rename photo to match type
if ($original['type'] != $_POST['type']) {
$uploadDir = "images/";
foreach (['jpg', 'png'] as $extension) {
$originalPhotoPath = $uploadDir.$original['type'].$original['id'].".".$extension;
$newPhotoPath = $uploadDir.$_POST['type'].$original['id'].".".$extension;
$newPhoto = $_POST['type'].$original['id'].".".$extension;
if (file_exists($originalPhotoPath)) {
rename($originalPhotoPath, $newPhotoPath);
$conn->query("UPDATE event_table SET photo = '$newPhoto' WHERE id = '$insertedID'");
break;
}
}
}
// If it's just the image, process it only
if (isset($_FILES["image"]) && $_FILES["image"]["error"] == 0) {
$uploadDir = "images/";
$fileExtension = pathinfo($_FILES["image"]["name"], PATHINFO_EXTENSION);
$fileName = $_POST['type'].$insertedID.".".$fileExtension;
// Remove other extension photo if exists
foreach (['jpg', 'png'] as $extension) {
$oldPhoto = $uploadDir.$_POST['type'].$original['id'].".".$extension;
if (file_exists($oldPhoto))
unlink($oldPhoto);
}
// Add new photo to storage
if (in_array($fileExtension, ["jpg", "png"])) // Ensure file type is jpg, png
move_uploaded_file($_FILES["image"]["tmp_name"], $uploadDir . $fileName);
// Update db with new image path
$conn->query("UPDATE event_table SET photo = '$fileName' WHERE id = '$insertedID'");
}
// Set flash message and redirect back
if ($SQLUpdateEvent->affected_rows > 0) {
$_SESSION['flash_mode'] = "alert-success";
$_SESSION['flash'] = "<span class='fw-medium'>".$_POST['type']." ".$_POST['id']."</span> updated successfully.";
} elseif ($SQLUpdateEvent->affected_rows == 0) {
$_SESSION['flash_mode'] = "alert-secondary";
$_SESSION['flash'] = "No changes made to <span class='fw-medium'>".$_POST['type']." ".$_POST['id']."</span>.";
}
header('Location: manage_events.php');
} else {
$_SESSION['flash_mode'] = "alert-warning";
$_SESSION['flash'] = "An error has occured updating <span class='fw-medium'>".$_POST['type']." ".$_POST['id']."</span>";
}
} catch (Exception $e) {
$_SESSION['flash_mode'] = "alert-warning";
$_SESSION['flash'] = "An error has occured updating <span class='fw-medium'>Advertisement ".$_POST['id']."</span>.";
header('Location: manage_advertisements.php');
}
} else {
$_SESSION['form_data'] = $_POST;
$_SESSION['errors'] = $errors;
$_SESSION['verified'] = $verified;
}
}
// Assign session data or initialize new array
$formData = isset($_SESSION['form_data']) ? $_SESSION['form_data'] : array();
$errors = isset($_SESSION['errors']) ? $_SESSION['errors'] : array();
$verified = isset($_SESSION['verified']) ? $_SESSION['verified'] : array();
// Clear session data
unset($_SESSION['form_data']);
unset($_SESSION['errors']);
unset($_SESSION['verified']);
?>
<nav class="navbar sticky-top navbar-expand-lg" style="background-color: #002c59;">
<div class="container">
<a class="navbar-brand mx-0 mb-0 h1 text-light" href="main_menu_admin.php">Alumni Portal</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse me-5" id="navbarSupportedContent">
<ul class="navbar-nav mx-auto fake-active">
<li class="nav-item mx-1">
<a class="nav-link nav-admin-link px-5" href="main_menu_admin.php"><i class="bi bi-house-door nav-bi-admin"></i></a>
</li>
<li class="nav-item mx-1">
<a class="nav-link nav-admin-link px-5" href="manage_accounts.php"><i class="bi bi-people nav-bi-admin"></i></a>
</li>
<li class="nav-item mx-1">
<a class="nav-link nav-admin-link px-5" href="manage_events.php"><i class="bi bi-calendar-event nav-bi-admin"></i></a>
</li>
<li class="nav-item mx-1">
<a class="nav-link nav-admin-link px-5" href="manage_advertisements.php"><i class="bi bi-megaphone nav-bi-admin"></i></a>
</li>
</ul>
</div>
<?php include 'nav_user.php' ?>
</div>
</nav>
<div class="container my-3">
<nav style="--bs-breadcrumb-divider: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8'%3E%3Cpath d='M2.5 0L1 1.5 3.5 4 1 6.5 2.5 8l4-4-4-4z' fill='%236c757d'/%3E%3C/svg%3E");" aria-label="breadcrumb">
<ol class="breadcrumb">
<li class="breadcrumb-item"><a class="breadcrumb-link text-secondary link-underline link-underline-opacity-0" href="main_menu_admin.php">Home</a></li>
<li class="breadcrumb-item"><a class="breadcrumb-link text-secondary link-underline link-underline-opacity-0" href="manage_events.php">Manage Events/News</a></li>
<li class="breadcrumb-item breadcrumb-active" aria-current="page">Edit Events/News</li>
</ol>
</nav>
</div>
<div class="container <?php echo ($_SERVER["REQUEST_METHOD"] == "POST") ? NULL : 'slide-left' ?>">
<div class="row">
<div class="col"><h1>Edit <?php echo (isset($eventDetails['type'])) ? $eventDetails['type'] : NULL ?></h1></div>
</div>
<form class="needs-validation" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>" method="POST" enctype="multipart/form-data">
<div class="col mb-4 px-0 mx-0">
<div class="card">
<!-- Event/News adding area -->
<div class="row mb-5">
<!-- Photo -->
<div class="col-auto pe-0 me-0">
<div class="image-container-events"><img src="images/<?php echo isset($eventDetails["photo"]) ? $eventDetails["photo"] : "";?>" class="img-fluid profilePictureThumbnail" id="previewImage" alt="profile_picture"></div>
<div class="col-10 ms-2 <?php echo (isset($errors['image']) && !empty($errors['image'])) ? 'animate__animated animate__headShake animate__fast' : NULL ?>">
<input type="file" class="form-control my-2 pe-0 <?php echo (isset($errors['image'])) ? 'is-invalid' : ((isset($verified['image'])) ? 'is-valid' : ''); ?>" id="imageInput" name="image" accept=".jpg, .png"/>
<?php echo (isset($errors['image'])) ? '<div class="invalid-feedback">'.$errors['image'].'</div>' : NULL; ?>
</div>
</div>
<div class="col d-flex flex-column ps-0 ms-0 <?php echo (isset($errors) && !empty($errors)) ? 'animate__animated animate__headShake animate__fast' : NULL ?>">
<div class="card-body px-0 flex-grow-1 me-4">
<div class="row justify-content-between mb-1">
<!-- Date -->
<div class="col-auto">
<div class="row">
<div class="col-auto pe-0">
<input type="date" class="form-control fw-medium py-0 <?php echo (isset($errors['date'])) ? 'is-invalid' : ((isset($verified['date'])) ? 'is-valid' : ''); ?>" id="date" name="date" value="<?php echo isset($formData["date"]) ? htmlspecialchars($formData["date"]) : (isset($eventDetails["event_date"]) ? $eventDetails["event_date"] : "");?>">
<?php echo (isset($errors['date'])) ? '<div class="invalid-feedback">'.$errors['date'].'</div>' : NULL; ?>
</div>
<div class="col-auto ps-1">*</div>
</div>
</div>
<!-- Type -->
<div class="col-auto">
<select class="badge text-bg-success <?php echo (isset($errors['type'])) ? 'is-invalid' : ((isset($verified['type'])) ? 'is-valid' : ''); ?>" id="type" name="type" style="border: none;" onchange="changeType(this)">
<option value="Event" class="fw-medium text-black bg-white" <?php echo (isset($formData['type']) && $formData['type'] == 'Event') ? 'selected' : (isset($eventDetails["type"]) && $eventDetails["type"] == 'Event' ? 'selected' : ""); ?>>Events</option>
<option value="News" class="fw-medium text-black bg-white" <?php echo (isset($formData['type']) && $formData['type'] == 'News') ? 'selected' : (isset($eventDetails["type"]) && $eventDetails["type"] == 'News' ? 'selected' : ""); ?>>News</option>
</select>
<?php echo (isset($errors['type'])) ? '<div class="invalid-feedback">'.$errors['type'].'</div>' : NULL; ?>
</div>
</div>
<!-- Title -->
<div class="mb-1 col-auto">
<input type="text" class="form-control title fw-medium py-0 <?php echo (isset($errors['title'])) ? 'is-invalid' : ((isset($verified['title'])) ? 'is-valid' : ''); ?>" id="title" name="title" placeholder="Title*" value="<?php echo isset($formData["title"]) ? htmlspecialchars($formData["title"]) : (isset($eventDetails["title"]) ? $eventDetails["title"] : "");?>">
<?php echo (isset($errors['title'])) ? '<div class="invalid-feedback">'.$errors['title'].'</div>' : NULL; ?>
</div>
<!-- Location -->
<div class="mb-4 col-auto">
<input type="text" class="form-control fw-medium text-secondary py-0 <?php echo (isset($errors['location'])) ? 'is-invalid' : ((isset($verified['location'])) ? 'is-valid' : ''); ?>" id="location" name="location" placeholder="Location*" value="<?php echo isset($formData["location"]) ? htmlspecialchars($formData["location"]) : (isset($eventDetails["location"]) ? $eventDetails["location"] : "");?>">
<?php echo (isset($errors['location'])) ? '<div class="invalid-feedback">'.$errors['location'].'</div>' : NULL; ?>
</div>
<!-- Description -->
<div class="mb-1 col-auto">
<textarea rows="4" type="text" class="form-control py-0 <?php echo (isset($errors['description'])) ? 'is-invalid' : ((isset($verified['description'])) ? 'is-valid' : ''); ?>" id="description" name="description" placeholder="Description*"><?php echo isset($formData["description"]) ? htmlspecialchars($formData["description"]) : (isset($eventDetails["description"]) ? $eventDetails["description"] : "");?></textarea>
<?php echo (isset($errors['description'])) ? '<div class="invalid-feedback">'.$errors['description'].'</div>' : NULL; ?>
</div>
</div>
<!-- Preview sign up button for Events -->
<div class="mb-4">
<button class='btn btn-primary fw-medium px-4 disabled' id="signupButton" disabled data-bs-toggle="tooltip" data-bs-title="This is just a preview button">Sign Up</button>
</div>
</div>
</div>
<input type="hidden" name="id" value="<?php echo htmlspecialchars($eventDetails['id']); ?>">
<input type="hidden" name="image" value="<?php echo htmlspecialchars($eventDetails['photo']); ?>">
<!-- Footer? -->
<div class="row justify-content-end align-items-center mb-4">
<div class="col ms-2"><span class="text-secondary fst-italic"><strong class="text-black">*</strong>Indicates required field</span></div>
<div class="col-auto">
<a role="button" href="manage_events.php" class="btn btn-outline-secondary px-4">Cancel</a>
<button type="submit" class="btn btn-primary ms-3 me-4 px-4 fw-medium"><i class="bi bi-arrow-counterclockwise me-2" style="-webkit-text-stroke: 0.25px;"></i>Update <?php echo (isset($eventDetails['type'])) ? $eventDetails['type'] : NULL ?></button>
</div>
</div>
</div>
</div>
</form>
</div>
<!-- Boostrap JS --><script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-C6RzsynM9kWDrMNeT87bh95OGNyZPhcTNXj1NW7RuBCsyN/o0jlpcV8Qyq46cDfL" crossorigin="anonymous"></script>
<!-- jQuery --><script src="https://code.jquery.com/jquery-3.7.1.min.js" integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>
<!-- DataTables --><script src="https://cdn.datatables.net/1.13.6/js/jquery.dataTables.js"></script>
<!-- DataTables Bootstrap 5 --><script src="https://cdn.datatables.net/1.13.6/js/dataTables.bootstrap5.min.js"></script>
<!-- Moment.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.2/moment.min.js"></script>
<script>
const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle="tooltip"]')
const tooltipList = [...tooltipTriggerList].map(tooltipTriggerEl => new bootstrap.Tooltip(tooltipTriggerEl))
var selectOption = document.getElementById("type");
var signupButton = document.getElementById("signupButton");
var image = document.getElementById("previewImage");
var filename = image.src.substring(image.src.lastIndexOf('/') + 1);
var imageInput1 = document.getElementById("imageInput");
// Change Events/News type badges
function changeType(selectElement) {
var selectedOption = selectElement.options[selectElement.selectedIndex].value;
// Remove previous class
selectElement.classList.remove("text-bg-success");
selectElement.classList.remove("text-bg-warning");
// Add appropriate class + transition button
if (selectedOption == "Event") {
if (imageInput1.files.length <= 0)
if (filename == "default_events.jpg" || filename == "default_news.png")
image.src = "images/default_events.jpg";
selectElement.classList.add("text-bg-success");
signupButton.style.display = "block";
signupButton.classList.add("fade-in");
setTimeout(() => {
signupButton.classList.remove("fade-in");
}, 300);
} else if (selectedOption == "News") {
if (imageInput1.files.length <= 0)
if (filename == "default_events.jpg" || filename == "default_news.png")
image.src = "images/default_news.png";
selectElement.classList.add("text-bg-warning");
signupButton.classList.add("fade-out");
setTimeout(() => {
signupButton.style.display = "none";
signupButton.classList.remove("fade-out");
}, 300);
}
}
// Image preview when selected
const imageInput = document.getElementById("imageInput");
const previewImage = document.getElementById("previewImage");
imageInput.addEventListener("change", function () {
if (imageInput.files && imageInput.files[0]) {
const reader = new FileReader();
// update img
reader.onload = function (e) {
previewImage.src = e.target.result;
};
reader.readAsDataURL(imageInput.files[0]); // read image as data URL
}
});
window.onload = (event) => {
// Remove previous class
selectOption.classList.remove("text-bg-success");
selectOption.classList.remove("text-bg-warning");
// Add Bootstrap styling class based on selected option
if (selectOption.value == "Event") {
selectOption.classList.add("text-bg-success");
signupButton.style.display = "block";
} else if (selectOption.value == "News") {
selectOption.classList.add("text-bg-warning");
signupButton.style.display = "none";
}
}
</script>
</body>
</html>