Updates to caches

This commit is contained in:
Martijn de Boer 2024-03-22 17:04:46 +01:00
parent 9f1032f1a0
commit c2230db4c9
3 changed files with 139 additions and 24 deletions

View file

@ -1,5 +1,57 @@
<?php
class Cache {
protected static $resourceCache = [];
protected static function fillResourceCache() {
$db = new Database();
$sql = "SELECT * FROM `resources`";
$stmt = $db::$handle->prepare($sql);
$result = $stmt->execute();
while ($row = $result->fetchArray(SQLITE3_ASSOC)) {
self::$resourceCache[$row["name"]] = $row;
}
}
public static function hasResourceCache(string $name) {
if (count(self::$resourceCache) == 0) {
self::fillResourceCache();
}
return isset(self::$resourceCache[$name]);
}
public static function setResourceCache(string $name, $data) {
self::$resourceCache[$name] = $data;
}
public static function getResourceCache(string $name) {
if (count(self::$resourceCache) == 0) {
self::fillResourceCache();
}
if (isset(self::$resourceCache[$name])) {
return self::$resourceCache[$name];
}
return null;
}
public static function getResourceCacheByThumbnailUrl(string $url) {
if (count(self::$resourceCache) == 0) {
self::fillResourceCache();
}
foreach (self::$resourceCache as $resource) {
if ($resource["url"] == $url) {
return $resource;
}
}
return null;
}
public static function getCacheFile(string $name, $maxAge = 3600) {
$cacheFile = CACHE_DIR . "/" . $name;
@ -18,28 +70,12 @@ class Cache {
}
public static function publicCacheExists(string $name, bool $skipExtensionCheck = false) {
// For now cache is not reliable since we use a generated name.
return false;
/*if (!$skipExtensionCheck) {
$ext = substr($name, strrpos($name, ".") + 1);
if (strtolower($ext) == "jpg" || strtolower($ext) == "jpeg" || strtolower($ext) == "png") {
$name = str_replace("." . $ext, ".webp", strtolower($name));
}
}
$cacheFile = PUBLIC_CACHE_DIR . "/" . $name;
try {
$fe = file_exists($cacheFile);
} catch (Exception $e) {
$fe = false;
Logger::log("Could not check if public cache file " . $name . " exists: " . $e->getMessage(), Logger::ERROR, "Cache");
}
return $fe;*/
return self::hasResourceCache($name);
}
public static function savePublicCacheFile(string $name, string $data, int $cacheLevel = 70, bool $skipExtensionCheck = false) {
$originalName = $name;
$name = strtolower($name);
$ext = substr($name, strrpos($name, ".") + 1);
@ -55,10 +91,31 @@ class Cache {
$cacheFile = PUBLIC_CACHE_DIR . "/" . $name;
$blurhash = self::generateBlurHash($cacheFile, $img, $skipExtensionCheck);
if (!empty($blurhash)) {
$name = "BH-" . bin2hex($blurhash) . "-W" . $img->getImageWidth() . "xH" . $img->getImageHeight() . ".webp";
$cacheFile = PUBLIC_CACHE_DIR . "/" . $name;
}
$resourceSql = "INSERT INTO `resources` (`name`, `type`, `blurhash`, `url`, `width`, `height`, `hasBeenProcessed`, `modified`)
VALUES (:name,:type,:blurhash,:url,:width,:height,1,strftime('%Y-%m-%d %H:%M:%S','now'))";
$db = new Database();
$resourceStmt = $db::$handle->prepare($resourceSql);
$resourceStmt->bindValue(":name", $originalName);
$resourceStmt->bindValue(":type", "image/webp");
$resourceStmt->bindValue(":blurhash", $blurhash);
$resourceStmt->bindValue(":url", PUBLIC_CACHE_URL . "/" . $name);
$resourceStmt->bindValue(":width", $img->getImageWidth());
$resourceStmt->bindValue(":height", $img->getImageHeight());
$resourceStmt->execute();
// Append to the resource cache
self::setResourceCache($originalName, [
"name" => $originalName,
"type" => "image/webp",
"blurhash" => $blurhash,
"url" => PUBLIC_CACHE_URL . "/" . $name,
"width" => $img->getImageWidth(),
"height" => $img->getImageHeight(),
"hasBeenProcessed" => 1,
"modified" => date("Y-m-d H:i:s")
]);
// For now don't transfer file if its generated name exists
if (file_exists($cacheFile)) {
@ -117,4 +174,31 @@ class Cache {
return $hash;
}
}
public static function getBlurHashImage($blurhash,$width = 269, $height = 173) {
$hash = \kornrunner\Blurhash\Blurhash::decode($blurhash, $width, $height);
$img = new Imagick();
$img->newImage($width, $height, new ImagickPixel("white"));
$img->setImageFormat("webp");
$img->setImageCompressionQuality(60);
$pixels = [];
for ($y = 0; $y < $height; ++$y) {
for ($x = 0; $x < $width; ++$x) {
[$r, $g, $b] = $hash[$y][$x];
$pixels[] = $r;
$pixels[] = $g;
$pixels[] = $b;
}
}
$img->importImagePixels(0, 0, $width, $height, "RGB", Imagick::PIXEL_CHAR, $pixels);
$img->stripImage();
$data = $img->getImageBlob();
return "data:image/webp;base64," . base64_encode($data);
}
}

View file

@ -71,7 +71,21 @@ class Database
if ($run === true) {
Logger::log("Found migration for table " . $migrationTable . " version " . $migrationVersion, LOGGER::INFO, "Database");
$migrationContents = file_get_contents(MIGRATIONS_DIR . "/" . $migration);
$possiblePaths = [LIB_MIGRATIONS_DIR, MIGRATIONS_DIR];
$migrationFile = null;
foreach ($possiblePaths as $possiblePath) {
if (file_exists($possiblePath . "/" . $migration)) {
$migrationFile = $possiblePath . "/" . $migration;
break;
}
}
if ($migrationFile === null) {
Logger::log("Could not find migration file for table " . $migrationTable . " version " . $migrationVersion, LOGGER::ERROR, "Database");
continue;
}
$migrationContents = file_get_contents($migrationFile);
if (@self::$handle->exec($migrationContents)) {
self::$handle->exec("INSERT INTO `migrations` (`table`,`version`, `schemafile`, `created`) VALUES ('" . $migrationTable . "'," . $migrationVersion . ",'" . $migration . "', strftime('%Y-%m-%d %H:%M:%S','now'))");
$migrationCount++;

17
schema/resources-000.sql Normal file
View file

@ -0,0 +1,17 @@
CREATE TABLE IF NOT EXISTS `resources` (
`id` INTEGER PRIMARY KEY AUTOINCREMENT,
`name` TEXT NOT NULL,
`type` TEXT NOT NULL,
`blurhash` TEXT DEFAULT NULL,
`url` TEXT NOT NULL,
`width` INTEGER DEFAULT NULL,
`height` INTEGER DEFAULT NULL,
`hasBeenProcessed` INTEGER DEFAULT 0,
`modified` TEXT NOT NULL
);
CREATE UNIQUE INDEX IF NOT EXISTS `resources_name` ON `resources` (`name`);
CREATE INDEX IF NOT EXISTS `resources_blurhash` ON `resources` (`blurhash`);
CREATE INDEX IF NOT EXISTS `resources_type` ON `resources` (`type`);
CREATE INDEX IF NOT EXISTS `resources_hasBeenProcessed` ON `resources` (`hasBeenProcessed`);
CREATE INDEX IF NOT EXISTS `resources_modified` ON `resources` (`modified`);