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create_publications.php
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create_publications.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">
<meta name="description"
content="CRUD - Basic CRUD Application.">
<meta name="author" content="Ashesh Kumar Singh (asing80@uic.edu)">
<title>CRUD</title>
<!-- Twitter Bootstrap Core CSS -->
<link href="node_modules/bootstrap/dist/css/bootstrap.min.css" rel="stylesheet">
<!-- Theme CSS -->
<link href="node_modules/designmodo-flat-ui-free/dist/css/flat-ui.min.css" rel="stylesheet">
<!-- Datatables CSS-->
<link href="node_modules/datatables/media/css/jquery.dataTables.min.css" rel="stylesheet">
<!-- Main CSS -->
<link href="public/css/main.css" rel="stylesheet">
</head>
<body>
<div class="container-fluid">
<?php include 'public/nav.php' ?>
<?php include 'public/setup.php';
$message = "No operations performed";
$delete_count = 0;
$modify_count = 0;
if (isset($_POST['submit'])) {
$message = "";
$delete_publication = $_POST['delete_publication'];
if (empty($delete_publication)) {
$updated_publication_ids = $_POST['id'];
} else {
$updated_publication_ids = array_diff($_POST['id'], $delete_publication);
foreach ($delete_publication as $val) {
$sql = "DELETE FROM `publications` WHERE `id` = $val";
$delete_publication_sqlresult = mysqli_query($connection, $sql);
if (!$delete_publication_sqlresult) {
die("DELETE TABLE `crud`.`publications`., failed: " . mysqli_error($connection));
}
// must be 1 in each loop
$delete_count += mysqli_affected_rows($connection);
}
}
$message .= "You have deleted " . $delete_count . " row(s), ";
// By default assume that all rows were updated
$publication_titles = $_POST['title'];
$publication_years = $_POST['year'];
$publication_ids = $_POST['id'];
$user_emails = $_POST['email'];
// if the user sends two entries for the same publication id, only the last insert/update will reflect.
foreach ($updated_publication_ids as $i => $updated_publication_id) {
$sql = "INSERT INTO `publications`(`id`, `student_id`, `title`, `year`)"
. "VALUES ($publication_ids[$i], (SELECT id FROM users WHERE email='$user_emails[$i]'),'$publication_titles[$i]', $publication_years[$i])"
. "ON DUPLICATE KEY UPDATE"
. "`id`= $updated_publication_id, `student_id`=(SELECT id FROM users WHERE email='$user_emails[$i]'), title = '$publication_titles[$i]', `year` = $publication_years[$i]";
$upsert_publication_sqlresult = mysqli_query($connection, $sql);
if (!$upsert_publication_sqlresult) {
die("UPDATE/INSERT TABLE `crud`.`publications`., failed: " . mysqli_error($connection));
}
// must be 1 in each loop
$modify_count += mysqli_affected_rows($connection);
}
$message .= "modified (insert+update) " . $modify_count . " row(s).";
}
$sql = "SELECT p.id, u.email, p.title, p.year FROM `publications` p INNER JOIN `users` u on p.student_id = u.id";
$select_publications_sqlresult = mysqli_query($connection, $sql);
if (!$select_publications_sqlresult) {
die("SELECT TABLE `crud`.`publications`., failed: " . mysqli_error($connection));
}
$sql = "SELECT email FROM users";
$select_users_sqlresult = mysqli_query($connection, $sql);
if (!$select_users_sqlresult) {
die("SELECT TABLE `crud`.`users`., failed: " . mysqli_error($connection));
}
?>
<form class="form-horizontal" action="create_publications.php" method="POST">
<div class="table-responsive">
<table class="table table-bordered table-striped table-highlight">
<thead>
<tr>
<th scope="col">DELETE</th>
<th scope="col">Publication ID</th>
<th scope="col">Email</th>
<th scope="col">Title</th>
<th scope="col">Year</th>
</tr>
</thead>
<tbody>
<?php
$emails = array();
while ($row = mysqli_fetch_array($select_users_sqlresult)) {
$emails[] = $row['email'];
}
sort($emails);
if (mysqli_num_rows($select_users_sqlresult) == 0) {
$message = "You have no users, redirecting to create_users.php...";
header("refresh:2;url=create_users.php");
}
while ($row = mysqli_fetch_assoc($select_publications_sqlresult)) { ?>
<tr>
<td>
<label class="checkbox">
<input type="checkbox" data-toggle="checkbox" class="custom-checkbox"
name="delete_publication[]" value="<?= $row['id'] ?>"/>
<span class="icons"><span class="icon-unchecked"></span><span
class="icon-checked"></span></span>
</label>
</td>
<td data-search="<?= $row['id'] ?>">
<input required readonly type="number" name="id[]" class="form-control"
value="<?= $row['id'] ?>"/></td>
<td data-search="<?= $row['email'] ?>">
<select required name="email[]" class="form-control custom-select">
<option selected value="<?= $row['email'] ?>"><?= $row['email'] ?></option>
<?php
foreach ($emails as $key => $email) {
echo '<option value="' . $email . '"/>' . $email . '</option>';
} ?>
</select>
</td>
<td data-search="<?= $row['title'] ?>">
<input required type="text" name="title[]" class="form-control"
value="<?= $row['title'] ?>"/>
</td>
<td data-search="<?= $row['year'] ?>">
<input type="number" name="year[]" min="1900" max="2020" step="1" class="form-control"
value="<?= $row['year'] ?>"/></td>
</tr>
<?php
} ?>
<tr class="new-entry">
<td>
<label class="checkbox">
<input disabled type="checkbox" value="" data-toggle="checkbox" class="custom-checkbox"
name="delete_publication[]"/>
<span class="icons"><span class="icon-unchecked"></span><span
class="icon-checked"></span></span>
</label>
</td>
<td><input required disabled type="number" name="id[]" class="form-control" value=""/></td>
<td><select required disabled name="email[]" class="form-control custom-select">
<option hidden disabled selected value></option>
<?php
foreach ($emails as $key => $email) {
echo '<option value="' . $email . '"/>' . $email . '</option>';
} ?>
</select>
</td>
<td><input required disabled type="text" name="title[]" class="form-control" value=""/></td>
<td><input required disabled type="number" name="year[]" min="1900" max="2020" step="1"
class="form-control"
value=""/></td>
</tr>
</tbody>
</table>
</div>
<div class="mt-5 alert alert-info alert-dismissible fade show" role="alert">
<?php echo $message ?>
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="row mt-5">
<div class="col">
<a href="#fake-link" id="add-row" class="btn btn-secondary btn-embossed btn-info"><span
class="fui-plus"></span> Add Row</a>
</div>
<div class="col">
<button class="btn btn-block btn-embossed btn-primary" type="submit" name="submit"><span
class="fui-check"></span> Save
</button>
</div>
</div>
</form>
</div>
<!-- jQuery -->
<script src="node_modules/jquery/dist/jquery.min.js"></script>
<!-- Twitter Bootstrap Core JS -->
<script src="node_modules/bootstrap/dist/js/bootstrap.min.js"></script>
<!-- Theme JS -->
<script src="node_modules/designmodo-flat-ui-free/dist/scripts/flat-ui.min.js"></script>
<!-- Datatables JS -->
<script src="node_modules/datatables/media/js/jquery.dataTables.min.js"></script>
<!-- Main JS -->
<script src="public/js/main.js"></script>
</body>
</html>