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edit-post.php
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edit-post.php
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<?php
require_once 'lib/common.php';
require_once 'lib/edit-post.php';
require_once 'lib/view-post.php';
session_start();
// Don't let non-auth users see this screen
if (!isLoggedIn())
{
redirectAndExit('index.php');
}
// Empty defaults
$title = $body = '';
// Init database and get handle
$pdo = getPDO();
$postId = null;
if (isset($_GET['post_id']))
{
$post = getPostRow($pdo, $_GET['post_id']);
if ($post)
{
$postId = $_GET['post_id'];
$title = $post['title'];
$body = $post['body'];
}
}
// Handle the post operation here
$errors = array();
if ($_POST)
{
// Validate these first
$title = $_POST['post-title'];
if (!$title)
{
$errors[] = 'The post must have a title';
}
$body = $_POST['post-body'];
if (!$body)
{
$errors[] = 'The post must have a body';
}
if (!$errors)
{
$pdo = getPDO();
// Decide if we are editing or adding
if ($postId)
{
editPost($pdo, $title, $body, $postId);
}
else
{
$userId = getAuthUserId($pdo);
$postId = addPost($pdo, $title, $body, $userId);
if ($postId === false)
{
$errors[] = 'Post operation failed';
}
}
}
if (!$errors)
{
redirectAndExit('edit-post.php?post_id=' . $postId);
}
}
?>
<html>
<head>
<title>A blog application | New post</title>
<?php require 'templates/head.php' ?>
</head>
<body>
<?php require 'templates/top-menu.php' ?>
<?php if (isset($_GET['post_id'])): ?>
<h1>Edit post</h1>
<?php else: ?>
<h1>New post</h1>
<?php endif ?>
<?php if ($errors): ?>
<div class="error box">
<ul>
<?php foreach ($errors as $error): ?>
<li><?php echo $error ?></li>
<?php endforeach ?>
</ul>
</div>
<?php endif ?>
<form method="post" class="post-form user-form">
<div>
<label for="post-title">Title:</label>
<input
id="post-title"
name="post-title"
type="text"
value="<?php echo htmlspecialchars($title) ?>"
/>
</div>
<div>
<label for="post-body">Body:</label>
<textarea
id="post-body"
name="post-body"
rows="12"
cols="70"
><?php echo htmlspecialchars($body) ?></textarea>
</div>
<div>
<input
type="submit"
value="Submit comment"
/>
<a href="index.php">Cancel</a>
</div>
</form>
</body>
</html>