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[Bridge] Add function to build chache file path

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logmanoriginal 2016-08-24 20:44:21 +02:00
parent 458d1fbfeb
commit b9b2428f63
1 changed files with 28 additions and 23 deletions
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51
lib/Bridge.php
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@ -168,20 +168,14 @@ abstract class HttpCachingBridgeAbstract extends BridgeAbstract {
* @return content of the file as string * @return content of the file as string
*/ */
public function get_cached($url){ public function get_cached($url){
$simplified_url = str_replace(['http://', 'https://', '?', '&', '='], ['', '', '/', '/', '/'], $url);
// TODO build this from the variable given to Cache // TODO build this from the variable given to Cache
$pageCacheDir = __DIR__ . '/../cache/pages/'; $cacheDir = __DIR__ . '/../cache/pages/';
$filepath = $pageCacheDir . $simplified_url; $filepath = $this->buildCacheFilePath($url, $cacheDir);
if(substr($filepath, -1) == '/'){
$filepath .= 'index.html';
}
if(file_exists($filepath)){ if(file_exists($filepath)){
$this->debugMessage('loading cached file from ' . $filepath . ' for page at url ' . $url); $this->debugMessage('loading cached file from ' . $filepath . ' for page at url ' . $url);
// TODO touch file and its parent, and try to do neighbour deletion // TODO touch file and its parent, and try to do neighbour deletion
$this->refresh_in_cache($pageCacheDir, $filepath); $this->refresh_in_cache($cacheDir, $filepath);
$content = file_get_contents($filepath); $content = file_get_contents($filepath);
} else { } else {
$this->debugMessage('we have no local copy of ' . $url . ' Downloading to ' . $filepath); $this->debugMessage('we have no local copy of ' . $url . ' Downloading to ' . $filepath);
@ -202,15 +196,9 @@ abstract class HttpCachingBridgeAbstract extends BridgeAbstract {
} }
public function get_cached_time($url){ public function get_cached_time($url){
$simplified_url = str_replace(['http://', 'https://', '?', '&', '='], ['', '', '/', '/', '/'], $url);
// TODO build this from the variable given to Cache // TODO build this from the variable given to Cache
$pageCacheDir = __DIR__ . '/../cache/pages/'; $cacheDir = __DIR__ . '/../cache/pages/';
$filepath = $pageCacheDir . $simplified_url; $filepath = $this->buildCacheFilePath($url, $cacheDir);
if(substr($filepath, -1) == '/'){
$filepath .= 'index.html';
}
if(!file_exists($filepath)){ if(!file_exists($filepath)){
$this->get_cached($url); $this->get_cached($url);
@ -219,20 +207,37 @@ abstract class HttpCachingBridgeAbstract extends BridgeAbstract {
return filectime($filepath); return filectime($filepath);
} }
private function refresh_in_cache($pageCacheDir, $filepath){ private function refresh_in_cache($cacheDir, $filepath){
$currentPath = $filepath; $currentPath = $filepath;
while(!$pageCacheDir == $currentPath){ while(!$cacheDir == $currentPath){
touch($currentPath); touch($currentPath);
$currentPath = dirname($currentPath); $currentPath = dirname($currentPath);
} }
} }
public function remove_from_cache($url){ private function buildCacheFilePath($url, $cacheDir){
$simplified_url = str_replace(['http://', 'https://', '?', '&', '='], ['', '', '/', '/', '/'], $url); $simplified_url = str_replace(
['http://', 'https://', '?', '&', '='],
['', '', '/', '/', '/'],
$url);
if(substr($cacheDir, -1) !== '/'){
$cacheDir .= '/';
}
$filepath = $cacheDir . $simplified_url;
if(substr($filepath, -1) === '/'){
$filepath .= 'index.html';
}
return $filepath;
}
public function remove_from_cache($url){
// TODO build this from the variable given to Cache // TODO build this from the variable given to Cache
$pageCacheDir = __DIR__ . '/../cache/pages/'; $cacheDir = __DIR__ . '/../cache/pages/';
$filepath = realpath($pageCacheDir . $simplified_url); $filepath = $this->buildCacheFilePath($url, $cacheDir);
$this->debugMessage('removing from cache \'' . $filepath . '\' WELL, NOT REALLY'); $this->debugMessage('removing from cache \'' . $filepath . '\' WELL, NOT REALLY');
// unlink($filepath); // unlink($filepath);
} }