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if we're past the searchable number of pages, don't bother counting the number of pages, just 404

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This commit is contained in:
Shish 2020-02-04 22:44:27 +00:00
parent 7d4008bae8
commit 9216be3c96
2 changed files with 33 additions and 22 deletions
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23
core/imageboard/image.php
View File

@ -134,7 +134,6 @@ class Image
}
}
private static function find_images_internal(int $start = 0, ?int $limit = null, array $tags=[]): iterable
{
global $database, $user, $config;
@ -211,23 +210,35 @@ class Image
$tag_count = count($tags);
if ($tag_count === 0) {
// total number of images in the DB
$total = $cache->get("image-count");
if (!$total) {
$total = (int)$database->get_one("SELECT COUNT(*) FROM images");
$cache->set("image-count", $total, 600);
}
} elseif ($tag_count === 1 && !preg_match("/[:=><\*\?]/", $tags[0])) {
// one tag - we can look that up directly
// TODO: one negative tag = (total - tag.count)
$total = (int)$database->get_one(
"SELECT count FROM tags WHERE LOWER(tag) = LOWER(:tag)",
["tag"=>$tags[0]]
);
} else {
if (Extension::is_enabled(RatingsInfo::KEY)) {
$tags[] = "rating:*";
// complex query
$total = $cache->get("image-count:" . Tag::implode($tags));
if(!$total) {
if (Extension::is_enabled(RatingsInfo::KEY)) {
$tags[] = "rating:*";
}
list($tag_conditions, $img_conditions) = self::terms_to_conditions($tags);
$querylet = Image::build_search_querylet($tag_conditions, $img_conditions);
$total = (int)$database->get_one("SELECT COUNT(*) AS cnt FROM ($querylet->sql) AS tbl", $querylet->variables);
if (SPEED_HAX && $total > 5000) {
// when we have a ton of images, the count
// won't change dramatically very often
$cache->set("image-count:" . Tag::implode($tags), $total, 3600);
}
}
list($tag_conditions, $img_conditions) = self::terms_to_conditions($tags);
$querylet = Image::build_search_querylet($tag_conditions, $img_conditions);
$total = (int)$database->get_one("SELECT COUNT(*) AS cnt FROM ($querylet->sql) AS tbl", $querylet->variables);
}
if (is_null($total)) {
return 0;

32
ext/index/main.php
View File

@ -43,26 +43,26 @@ class Index extends Extension
$count_search_terms = count($search_terms);
try {
#log_debug("index", "Search for ".Tag::implode($search_terms), false, array("terms"=>$search_terms));
$fast_page_limit = 500;
if (SPEED_HAX && $page_number > $fast_page_limit && !$user->can("big_search")) {
$this->theme->display_error(
404,
"Search limit hit",
"Only $fast_page_limit pages of results are searchable - " .
"if you want to find older results, use more specific search terms"
);
return;
}
$total_pages = Image::count_pages($search_terms);
$images = [];
if (SPEED_HAX && $total_pages > $fast_page_limit && !$user->can("big_search")) {
$total_pages = $fast_page_limit;
}
if (SPEED_HAX) {
if (!$user->can("big_search")) {
$fast_page_limit = 500;
if ($total_pages > $fast_page_limit) {
$total_pages = $fast_page_limit;
}
if ($page_number > $fast_page_limit) {
$this->theme->display_error(
404,
"Search limit hit",
"Only $fast_page_limit pages of results are searchable - " .
"if you want to find older results, use more specific search terms"
);
return;
}
}
if ($count_search_terms === 0 && ($page_number < 10)) {
// extra caching for the first few post/list pages
$images = $cache->get("post-list:$page_number");