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sakura/_sakura/components/Thread.php

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<?php
/*
* Thread class
*/
namespace Sakura;
/**
* Class Thread
* @package Sakura
*/
class Thread
{
// Variables
public $id = 0;
public $forum = 0;
public $hidden = 0;
public $title = "";
public $time = 0;
public $timeLimit = 0;
public $views = 0;
public $status = 0;
public $statusChange = 0;
public $type = 0;
public $firstPost = null;
public $lastPost = null;
public $posts = [];
// Constructor
public function __construct($threadId)
{
// Attempt to get the database row
$threadRow = Database::fetch('topics', false, ['topic_id' => [$threadId, '=']]);
// Assign data if a row was returned
if ($threadRow) {
$this->id = $threadRow['topic_id'];
$this->forum = $threadRow['forum_id'];
$this->hidden = $threadRow['topic_hidden'];
$this->title = $threadRow['topic_title'];
$this->time = $threadRow['topic_time'];
$this->timeLimit = $threadRow['topic_time_limit'];
$this->views = $threadRow['topic_views'];
$this->status = $threadRow['topic_status'];
$this->statusChange = $threadRow['topic_status_change'];
$this->type = $threadRow['topic_type'];
}
// Populate the posts array
$this->posts = $this->getPosts();
// Get first post
$this->firstPost = $this->posts ? array_values($this->posts)[0] : (new Thread(0));
// And the last post
$this->lastPost = $this->posts ? end($this->posts) : (new Thread(0));
}
// Posts
public function getPosts()
{
// Get all rows with the thread id
$postRows = Database::fetch('posts', true, ['topic_id' => [$this->id, '=']]);
// Create a storage array
$posts = [];
// Create new post objects for each post
foreach ($postRows as $post) {
$posts[$post['post_id']] = new Post($post['post_id']);
}
// Return the post objects
return $posts;
}
// Reply count
public function replyCount()
{
return Database::count('posts', ['topic_id' => [$this->id, '=']])[0];
}
// Time elapsed since creation
public function timeElapsed()
{
return Main::timeElapsed($this->time);
}
// Time elapsed since status change
public function statusChangeElapsed()
{
return Main::timeElapsed($this->statusChange);
}
// Read status
public function unread($user)
{
// Attempt to get track row from the database
$track = Database::fetch('topics_track', false, ['user_id' => [$user, '='], 'topic_id' => [$this->id, '=']]);
// If nothing was returned it's obvious that the status is unread
if (!$track) {
return true;
}
// Check if the last time the user has been here is less than the creation timestamp of the latest post
if ($track['mark_time'] < $this->lastPost->time) {
return true;
}
// Else just return false meaning everything is read
return false;
}
// Update read status
public function trackUpdate($user)
{
// Check if we already have a track record
$track = Database::fetch('topics_track', false, ['user_id' => [$user, '='], 'topic_id' => [$this->id, '='], 'forum_id' => [$this->forum, '=']]);
// If so update it
if ($track) {
Database::update('topics_track', [
[
'mark_time' => time(),
],
[
'user_id' => [$user, '='],
'topic_id' => [$this->id, '='],
],
]);
} else {
// If not create a new record
Database::insert('topics_track', [
'user_id' => $user,
'topic_id' => $this->id,
'forum_id' => $this->forum,
'mark_time' => time(),
]);
}
}
// Update views
public function viewsUpdate()
{
Database::update('topics', [
[
'topic_views' => $this->views + 1,
],
[
'topic_id' => [$this->id, '='],
],
]);
}
}