Create cache for Markdown content. #51
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bovenliggende
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95
libs/Cache.php
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95
libs/Cache.php
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<?php namespace Todaymade\Daux;
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use Symfony\Component\Console\Output\OutputInterface;
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use Todaymade\Daux\Daux;
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class Cache {
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static $printed = false;
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protected static function getDirectory()
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{
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$dir = sys_get_temp_dir() . DIRECTORY_SEPARATOR . "dauxio" . DIRECTORY_SEPARATOR;
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if (!Cache::$printed) {
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Cache::$printed = true;
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Daux::writeln("Using cache dir '$dir'", OutputInterface::VERBOSITY_VERBOSE);
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}
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return $dir;
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}
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/**
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* Store an item in the cache for a given number of minutes.
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*
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* @param string $key
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* @param mixed $value
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* @return void
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*/
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public static function put($key, $value)
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{
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Cache::ensureCacheDirectoryExists($path = Cache::path($key));
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file_put_contents($path, serialize($value));
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}
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/**
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* Create the file cache directory if necessary.
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*
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* @param string $path
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* @return void
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*/
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protected static function ensureCacheDirectoryExists($path)
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{
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$parent = dirname($path);
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if (!file_exists($parent)) {
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mkdir($parent, 0777, true);
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}
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}
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/**
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* Remove an item from the cache.
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*
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* @param string $key
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* @return bool
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*/
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public static function forget($key)
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{
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$path = Cache::path($key);
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if (file_exists($path)) {
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return unlink($path);
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}
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return false;
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}
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/**
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* Retrieve an item from the cache by key.
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*
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* @param string|array $key
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* @return mixed
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*/
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public static function get($key)
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{
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$path = Cache::path($key);
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if (file_exists($path)) {
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return file_get_contents($path);
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}
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return null;
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}
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/**
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* Get the full path for the given cache key.
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*
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* @param string $key
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* @return string
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*/
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protected static function path($key)
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{
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$parts = array_slice(str_split($hash = sha1($key), 2), 0, 2);
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return Cache::getDirectory().'/'.implode('/', $parts).'/'.$hash;
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}
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}
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@ -120,4 +120,23 @@ class Config extends BaseConfig
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{
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return new HTMLConfig($this['html']);
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}
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public function canCache()
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{
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if (array_key_exists('cache', $this)) {
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return $this['cache'];
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}
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return true;
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}
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public function getCacheKey()
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{
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$cloned = [];
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foreach ($this as $key => $value) {
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$cloned[$key] = ($value instanceof Entry) ? $value->dump() : $value;
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}
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return sha1(json_encode($cloned));
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}
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}
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@ -14,7 +14,8 @@ class DauxCommand extends SymfonyCommand
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->addOption('configuration', 'c', InputOption::VALUE_REQUIRED, 'Configuration file')
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->addOption('value', null, InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED, 'Set different configuration values')
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->addOption('source', 's', InputOption::VALUE_REQUIRED, 'Where to take the documentation from')
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->addOption('processor', 'p', InputOption::VALUE_REQUIRED, 'Manipulations on the tree');
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->addOption('processor', 'p', InputOption::VALUE_REQUIRED, 'Manipulations on the tree')
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->addOption('no-cache', null, InputOption::VALUE_NONE, 'Disable Cache');
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// HTML Format only
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$this->addOption('themes', 't', InputOption::VALUE_REQUIRED, 'Set a different themes directory');
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@ -79,6 +80,10 @@ class DauxCommand extends SymfonyCommand
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$this->applyConfiguration($input->getOption('value'), $daux);
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}
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if ($input->getOption('no-cache')) {
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$daux->getParams()['cache'] = false;
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}
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return $daux;
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}
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}
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@ -1,6 +1,9 @@
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<?php namespace Todaymade\Daux\ContentTypes\Markdown;
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use Symfony\Component\Console\Output\OutputInterface;
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use Todaymade\Daux\Cache;
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use Todaymade\Daux\Config;
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use Todaymade\Daux\Daux;
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use Todaymade\Daux\Tree\Content;
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class ContentType implements \Todaymade\Daux\ContentTypes\ContentType
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@ -25,10 +28,32 @@ class ContentType implements \Todaymade\Daux\ContentTypes\ContentType
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return ['md', 'markdown'];
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}
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protected function doConversion($raw)
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{
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Daux::writeln("Running conversion", OutputInterface::VERBOSITY_VERBOSE);
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return $this->converter->convertToHtml($raw);
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}
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public function convert($raw, Content $node)
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{
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$this->config->setCurrentPage($node);
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return $this->converter->convertToHtml($raw);
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if (!$this->config->canCache()) {
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return $this->doConversion($raw);
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}
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$cacheKey = $this->config->getCacheKey() . sha1($raw);
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$payload = Cache::get($cacheKey);
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if ($payload) {
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Daux::writeln("Using cached version", OutputInterface::VERBOSITY_VERBOSE);
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} else {
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Daux::writeln("Not found in the cache, generating...", OutputInterface::VERBOSITY_VERBOSE);
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$payload = $this->doConversion($raw);
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Cache::put($cacheKey, $payload);
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}
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return $payload;
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}
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}
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