plugins/flattr/init.php

   1 <?php
   2 class Flattr extends Plugin {
   3         private $link;
   4         private $host;
   5
   6         function init($host) {
   7                 $this->link = $host->get_link();
   8                 $this->host = $host;
   9
  10                 $host->add_hook($host::HOOK_ARTICLE_BUTTON, $this);
  11         }
  12
  13         function about() {
  14                 return array(1.1,
  15                         "Share articles on Flattr (if they exist in their catalogue)",
  16                         "F. Eitel, N. Honing");
  17         }
  18
  19   function hook_article_button($line) {
  20
  21     $rv = "";
  22     $article_link = $line['link'];
  23
  24     if ($article_link) {
  25         $encoded = urlencode($article_link);
  26         $r = file_get_contents("https://api.flattr.com/rest/v2/things/lookup/?url=$encoded");
  27         $response = json_decode($r, true);
  28         $image = "<img src=\"plugins/flattr/flattr.png\"
  29                        class='tagsPic' style=\"cursor : pointer\"
  30                        title='".__('Flattr this article.')."'>";
  31         // if Flattr has it in the catalogue, we display the button
  32         if ($response and array_key_exists('link', $response)) {
  33             $rv = "<a id='flattr' target='_blank' href='" . $response['link'] . "'> . $image . </a>";
  34         } else {
  35             // We can't submit a thing to the catalogue without giving a Flattr user id (who would be the owner)
  36             // see http://developers.flattr.net/auto-submit
  37             //$rv = "<a id='flattr' href='https://flattr.com/submit/auto?url=" . $encoded  . "'>" . $image . "</a>";
  38             $rv = '';
  39             // Another useful thing would be any rel=payment link (which would have the user id as well),
  40             // but tt-rss is not checking that (yet), I believe. See http://developers.flattr.net/feed
  41         }
  42     }
  43     return $rv;
  44   }
  45 }
  46 ?>