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<?php
include_once 'Thread.php';
class Post
{
public $id;
public $content;
public $date_created;
public $date_edited;
public $thread;
public $author;
function get_from_database($id): bool
{
$sql = "SELECT post_content, post_date_created, post_date_edited, post_thread, post_author FROM posts WHERE post_id = ?;";
$result = Database::get()->query($sql, "i", $id);
if (empty($result)) {
return false;
}
$this->id = $id;
$this->content = $result[0]['post_content'];
$this->date_created = $result[0]['post_date_created'];
$this->date_edited = $result[0]['post_date_edited'];
$this->thread = new Thread();
$this->thread->get_from_database($result[0]['post_thread']);
$this->author = new User();
$this->author->get_by_id($result[0]['post_author']);
return true;
}
function display_content($dbc)
{
echo '<div class="header" id="p' . $this->id . '"><b>#' . $this->id . '</b>';
echo ' Posted by <a href="viewuser.php?id=' . $this->author->id . '">' . $this->author->name . '</a>';
echo ' on ' . date('m/d/Y g:ia', strtotime($this->date_created));
if (!is_null($this->date_edited)) {
echo ' <small>edited ' . date('m/d/Y g:ia', strtotime($this->date_edited)) . '</small>';
}
if (isset($_SESSION['signed_in']) && $_SESSION['user_id'] == $this->author->id) {
echo '<span style="float:right;">';
echo '[<a href="manage_post.php?id=' . $this->id . '">Edit/Delete</a>] ';
echo '</span>';
}
echo '</div>';
$post_content = $this->content;
$thread_id = $this->id;
$post_content = preg_replace_callback('/>#\d+/', function ($matches) use ($thread_id, $dbc) {
return create_quote($dbc, $thread_id, $matches);
}, $post_content);
// Replace newline characters with HTML <br> tags
$post_content = nl2br($post_content);
// Replace YouTube URLs with embedded YouTube videos.
$post_content = preg_replace(
"/\s*[a-zA-Z\/\/:\.]*youtu(be.com\/watch\?v=|.be\/)([a-zA-Z0-9\-_]+)([a-zA-Z0-9\/\*\-\_\?\&\;\%\=\.]*)/i",
'<br><iframe class="youtube-embed" src="//www.youtube.com/embed/$2" allowfullscreen></iframe>', $post_content);
// Replace Image URLs with embedded images.
$post_content = preg_replace('@\b(http(s)?://)([^\s]*?(?:\.[a-z\d?=/_-]+)+(?:\.jpg|\.png|\.gif))(?![^<]*?(?:</\w+>|/?>))@i', '<img class="image-embed" src="http$2://$3" alt="http$2://$3" />', $post_content);
// Replace other URLs with links.
$post_content = preg_replace('@\b(http(s)?://)([^\s]*?(?:\.[a-z\d?=/_-]+)+)(?![^<]*?(?:</\w+>|/?>))@i', '<a href="http$2://$3">$0</a>', $post_content);
echo '<span class="post-content">' . $post_content . '</span>';
}
}
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