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sakura/libraries/Comments.php

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<?php
/*
* A flexible comment system
*/
namespace Sakura;
/**
* Class Comments
* @package Sakura
*/
class Comments
{
public $comments = []; // Array containing comments
public $category; // Comment category
public $count = 0; // Amount of comments
// Constructor
public function __construct($category)
{
// Set category
$this->category = $category;
// Get the comments and assign them to $comments
$comments = Database::fetch(
'comments',
true,
[
'comment_category' => [$this->category, '='],
'comment_reply_to' => ['0', '='],
],
['comment_id', true]
);
// Feed them into the sorter
$this->comments = $this->sortComments($comments);
}
// Sorting
public function sortComments($comments)
{
// Create storage array
$layer = [];
// Sort comments
foreach ($comments as $comment) {
// Attach the poster
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$comment['comment_poster'] = User::construct($comment['comment_poster']);
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$comment['comment_text'] = Utils::parseEmotes(Utils::cleanString($comment['comment_text']));
// Get likes and dislikes
$votes = $this->getVotes($comment['comment_id']);
$comment['comment_likes'] = 0;
$comment['comment_dislikes'] = 0;
// Store amount in their respective variables
foreach ($votes as $vote) {
if ($vote['vote_state']) {
$comment['comment_likes'] += 1;
} else {
$comment['comment_dislikes'] += 1;
}
}
// Add post to posts array
$layer[$comment['comment_id']] = $comment;
// Up the comment count
$this->count += 1;
// Attempt to get replies from the database
$replies = Database::fetch('comments', true, [
'comment_category' => [$this->category, '='],
'comment_reply_to' => [$comment['comment_id'], '='],
]);
// Check if this was a reply to something
if ($replies) {
// Save the replies
$layer[$comment['comment_id']]['comment_replies'] = $this->sortComments($replies);
}
}
return $layer;
}
// Getting a single comment
public function getComment($cid)
{
// Get from database
return Database::fetch('comments', false, [
'comment_id' => [$cid, '='],
]);
}
// Getting comment votes
public function getVotes($cid)
{
// Get from database
return Database::fetch('comment_votes', true, [
'vote_comment' => [$cid, '='],
]);
}
// Creating
public function makeComment($uid, $reply, $content)
{
// Check if the comment is long enough
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if (strlen($content) < Config::get('comment_min_length')) {
return [0, 'TOO_SHORT'];
}
// Check if the comment isn't too long
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if (strlen($content) > Config::get('comment_max_length')) {
return [0, 'TOO_LONG'];
}
// Insert into database
Database::insert('comments', [
'comment_category' => $this->category,
'comment_timestamp' => time(),
'comment_poster' => $uid,
'comment_reply_to' => (int) $reply,
'comment_text' => $content,
]);
// Return success
return [1, 'SUCCESS'];
}
// Voting
public function makeVote($uid, $cid, $mode)
{
// Attempt to get previous vote
$vote = Database::fetch('comment_votes', false, [
'vote_user' => [$uid, '='],
'vote_comment' => [$cid, '='],
]);
// Check if anything was returned
if ($vote) {
// Check if the vote that's being casted is the same
if ($vote['vote_state'] == $mode) {
// Delete the vote
Database::delete('comment_votes', [
'vote_user' => [$uid, '='],
'vote_comment' => [$cid, '='],
]);
} else {
// Otherwise update the vote
Database::update('comment_votes', [
[
'vote_state' => $mode,
],
[
'vote_user' => [$uid, '='],
'vote_comment' => [$cid, '='],
],
]);
}
} else {
// Create a vote
Database::insert('comment_votes', [
'vote_user' => $uid,
'vote_comment' => $cid,
'vote_state' => $mode,
]);
}
return true;
}
// Deleting
public function removeComment($cid)
{
// Remove from database
return Database::delete('comments', [
'comment_id' => [$cid, '='],
]);
}
}