inc/3rdparty/FlattrItem.class.php

   1 <?php
   2 /*
   3 * Class for Flattr querying
   4 */
   5 class FlattrItem {
   6
   7     public $status;
   8     public $urltoflattr;
   9     public $flattrItemURL;
  10     public $numflattrs;
  11
  12     public function checkItem($urltoflattr,$id) {
  13         $this->cacheflattrfile($urltoflattr, $id);
  14         $flattrResponse = file_get_contents(CACHE . "/flattr/".$id.".cache");
  15         if($flattrResponse != FALSE) {
  16             $result = json_decode($flattrResponse);
  17             if (isset($result->message)){
  18                 if ($result->message == "flattrable") {
  19                     $this->status = FLATTRABLE;
  20                 }
  21             }
  22             elseif ($result->link) {
  23                 $this->status = FLATTRED;
  24                 $this->flattrItemURL = $result->link;
  25                 $this->numflattrs = $result->flattrs;
  26             }
  27             else {
  28                 $this->status = NOT_FLATTRABLE;
  29             }
  30         }
  31         else {
  32             $this->status = "FLATTR_ERR_CONNECTION";
  33         }
  34     }
  35
  36     private function cacheflattrfile($urltoflattr, $id) {
  37         if (!is_dir(CACHE . '/flattr')) {
  38             mkdir(CACHE . '/flattr', 0777);
  39         }
  40
  41         // if a cache flattr file for this url already exists and it's been less than one day than it have been updated, see in /cache
  42         if ((!file_exists(CACHE . "/flattr/".$id.".cache")) || (time() - filemtime(CACHE . "/flattr/".$id.".cache") > 86400)) {
  43             $askForFlattr = Tools::getFile(FLATTR_API . $urltoflattr);
  44             $flattrCacheFile = fopen(CACHE . "/flattr/".$id.".cache", 'w+');
  45             fwrite($flattrCacheFile, $askForFlattr);
  46             fclose($flattrCacheFile);
  47         }
  48     }
  49 }