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Hopefully a final fix for caching thread previews. This feature was previous disabled because of a bug/confliction.

pull/40/head
Michael Save 11 years ago
parent
commit
b693779d0d
  1. 9
      inc/display.php
  2. 66
      inc/functions.php

9
inc/display.php

@ -435,16 +435,7 @@ class Thread {
$built = Element('post_thread.html', array('config' => $config, 'board' => $board, 'post' => &$this, 'index' => $index));
if (!$this->mod && $index && $config['cache']['enabled']) {
cache::set($this->cache_key($index), $built);
}
return $built;
}
function cache_key($index) {
global $board;
return 'thread_' . ($index ? 'index_' : '') . $board['uri'] . '_' . $this->id;
}
};

66
inc/functions.php

@ -974,45 +974,52 @@ function index($page, $mod=false) {
$th['sticky'], $th['locked'], $th['sage'], $th['embed'], $mod ? '?/' : $config['root'], $mod
);
// if (!$mod && $config['cache']['enabled'] && $cached_stuff = cache::get("thread_index_{$board['uri']}_{$th['id']}")) {
// $post_count = $cached_stuff[0];
// $thread->posts = json_decode($cached_stuff[1]);
//} else {
if ($config['cache']['enabled'] && $replies = cache::get("thread_index_{$board['uri']}_{$th['id']}")) {
$replies = json_decode($replies, true);
} else {
$posts = prepare(sprintf("SELECT * FROM `posts_%s` WHERE `thread` = :id ORDER BY `id` DESC LIMIT :limit", $board['uri']));
$posts->bindValue(':id', $th['id']);
$posts->bindValue(':limit', ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview']), PDO::PARAM_INT);
$posts->execute() or error(db_error($posts));
$num_images = 0;
while ($po = $posts->fetch()) {
if ($po['file'])
$num_images++;
$thread->add(new Post(
$po['id'], $th['id'], $po['subject'], $po['email'], $po['name'], $po['trip'], $po['capcode'], $po['body'], $po['time'],
$po['thumb'], $po['thumbwidth'], $po['thumbheight'], $po['file'], $po['filewidth'], $po['fileheight'], $po['filesize'],
$po['filename'], $po['ip'], $po['embed'], $mod ? '?/' : $config['root'], $mod)
);
}
$replies = $posts->fetchAll(PDO::FETCH_ASSOC);
$post_count = $posts->rowCount();
//}
if ($config['cache']['enabled'])
cache::set("thread_index_{$board['uri']}_{$th['id']}", json_encode($replies));
}
$num_images = 0;
foreach ($replies as $po) {
if ($po['file'])
$num_images++;
$thread->add(new Post(
$po['id'], $th['id'], $po['subject'], $po['email'], $po['name'], $po['trip'], $po['capcode'], $po['body'], $po['time'],
$po['thumb'], $po['thumbwidth'], $po['thumbheight'], $po['file'], $po['filewidth'], $po['fileheight'], $po['filesize'],
$po['filename'], $po['ip'], $po['embed'], $mod ? '?/' : $config['root'], $mod)
);
}
$post_count = count($replies); // $posts->rowCount()
if ($post_count == ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview'])) {
$count = prepare(sprintf("SELECT COUNT(`id`) as `num` FROM `posts_%s` WHERE `thread` = :thread UNION ALL SELECT COUNT(`id`) FROM `posts_%s` WHERE `file` IS NOT NULL AND `thread` = :thread", $board['uri'], $board['uri']));
$count->bindValue(':thread', $th['id'], PDO::PARAM_INT);
$count->execute() or error(db_error($count));
$c = $count->fetch();
$thread->omitted = $c['num'] - ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview']);
// Yeah, using two cache objects for one thread seems a little inefficient. This code is messy and dumb; please clean it up if you can.
if ($config['cache']['enabled'] && $count = cache::get("thread_index_{$board['uri']}_{$th['id']}_omitted")) {
$count = explode(',', $count);
} else {
$count = prepare(sprintf("SELECT COUNT(`id`) as `num` FROM `posts_%s` WHERE `thread` = :thread UNION ALL SELECT COUNT(`id`) FROM `posts_%s` WHERE `file` IS NOT NULL AND `thread` = :thread", $board['uri'], $board['uri']));
$count->bindValue(':thread', $th['id'], PDO::PARAM_INT);
$count->execute() or error(db_error($count));
$count = $count->fetchAll(PDO::FETCH_COLUMN);
if ($config['cache']['enabled'])
cache::set("thread_index_{$board['uri']}_{$th['id']}_omitted", implode(',', $count));
}
$c = $count->fetch();
$thread->omitted_images = $c['num'] - $num_images;
$thread->omitted = $count[0] - ($th['sticky'] ? $config['threads_preview_sticky'] : $config['threads_preview']);
$thread->omitted_images = $count[1] - $num_images;
}
// if ($config['cache']['enabled'])
// cache::set("thread_index_{$board['uri']}_{$th['id']}", json_encode(array($posts->rowCount(), $thread->posts)));
$thread->posts = array_reverse($thread->posts);
$body .= $thread->build(true);
@ -1503,6 +1510,7 @@ function buildThread($id, $return=false, $mod=false) {
if ($config['cache']['enabled'] && !$mod) {
// Clear cache
cache::delete("thread_index_{$board['uri']}_{$id}");
cache::delete("thread_index_{$board['uri']}_{$th['id']}_omitted");
cache::delete("thread_{$board['uri']}_{$id}");
}

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