1 files changed, 49 insertions, 0 deletions

diff --git a/inc/3rdparty/FlattrItem.class.php b/inc/3rdparty/FlattrItem.class.php
new file mode 100644
index 00000000..c940fcd6
--- /dev/null
+++ b/inc/3rdparty/FlattrItem.class.php
@@ -0,0 +1,49 @@
+<?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);
+        }
+    }
+}
\ No newline at end of file