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Improved caching behaviour and allowed subclasses to easily use logging 'infrastructure'

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This commit is contained in:
Nicolas Delsaux 2014-03-26 11:20:24 +01:00
parent fda3e9886e
commit 954bc4dde0
1 changed files with 12 additions and 2 deletions
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14
lib/Bridge.php
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@ -90,7 +90,7 @@ abstract class HttpCachingBridgeAbstract extends BridgeAbstract {
* @return content of file as string
*/
public function get_cached($url) {
$simplified_url = str_replace(["http://", "https://", "?", "&"], ["", "", "/", "/"], $url);
$simplified_url = str_replace(["http://", "https://", "?", "&", "="], ["", "", "/", "/", "/"], $url);
// TODO build this from the variable given to Cache
$pageCacheDir = __DIR__ . '/../cache/'."pages/";
$filename = $pageCacheDir.$simplified_url;
@ -98,6 +98,7 @@ abstract class HttpCachingBridgeAbstract extends BridgeAbstract {
$filename = $filename."index.html";
}
if(file_exists($filename)) {
// $this->message("loading cached file from ".$filename." for page at url ".$url);
// TODO touch file and its parent, and try to do neighbour deletion
$currentPath = $filename;
while(!$pageCacheDir==$currentPath) {
@ -105,7 +106,7 @@ abstract class HttpCachingBridgeAbstract extends BridgeAbstract {
$currentPath = dirname($currentPath);
}
} else {
error_log("we have no local copy of ".$url." Downloading !");
// $this->message("we have no local copy of ".$url." Downloading !");
$dir = substr($filename, 0, strrpos($filename, '/'));
if(!is_dir($dir)) {
mkdir($dir, 0777, true);
@ -125,6 +126,15 @@ abstract class HttpCachingBridgeAbstract extends BridgeAbstract {
fclose($handle);
fclose($f);
}
public function message($text) {
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
$calling = $backtrace[2];
$message = $calling["file"].":".$calling["line"]
." class ".get_class($this)."->".$calling["function"]
." - ".$text;
error_log($message);
}
}
class Bridge{