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<?php
/*
* Class for Flattr querying
*/
class FlattrItem {
public $status;
public $urltoflattr;
public $flattrItemURL;
public $numflattrs;
public function checkItem($urltoflattr) {
$this->cacheflattrfile($urltoflattr);
$flattrResponse = file_get_contents(CACHE . "/flattr/".base64_encode($urltoflattr).".cache");
if($flattrResponse != FALSE) {
$result = json_decode($flattrResponse);
if (isset($result->message)){
if ($result->message == "flattrable") {
$this->status = FLATTRABLE;
}
}
elseif ($result->link) {
$this->status = FLATTRED;
$this->flattrItemURL = $result->link;
$this->numflattrs = $result->flattrs;
}
else {
$this->status = NOT_FLATTRABLE;
}
}
else {
$this->status = "FLATTR_ERR_CONNECTION";
}
}
private function cacheflattrfile($urltoflattr) {
if (!is_dir(CACHE . '/flattr')) {
mkdir(CACHE . '/flattr', 0777);
}
// if a cache flattr file for this url already exists and it's been less than one day than it have been updated, see in /cache
if ((!file_exists(CACHE . "/flattr/".base64_encode($urltoflattr).".cache")) || (time() - filemtime(CACHE . "/flattr/".base64_encode($urltoflattr).".cache") > 86400)) {
$askForFlattr = Tools::getFile(FLATTR_API . $urltoflattr);
$flattrCacheFile = fopen(CACHE . "/flattr/".base64_encode($urltoflattr).".cache", 'w+');
fwrite($flattrCacheFile, $askForFlattr);
fclose($flattrCacheFile);
}
}
}
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