plugins/flattr/flattr.php

   1 <?php
   2 class Flattr extends Plugin {
   3         private $link;
   4         private $host;
   5
   6         function __construct($host) {
   7                 $this->link = $host->get_link();
   8                 $this->host = $host;
   9
  10                 $host->add_hook($host::HOOK_ARTICLE_BUTTON, $this);
  11         }
  12
  13         function _about() {
  14                 return array(1.0,
  15                         "Share on Flattr plugin",
  16                         "Nic Honing");
  17         }
  18
  19   function hook_article_button($line) {
  20
  21         $article_id = $line["id"];
  22
  23     $result = db_query($this->link, "SELECT link
  24       FROM ttrss_entries, ttrss_user_entries
  25       WHERE id = '$article_id' AND ref_id = id AND owner_uid = " .$_SESSION['uid']);
  26
  27     if (db_num_rows($result) != 0) {
  28       $article_link = db_fetch_result($result, 0, 'link');
  29     }
  30
  31     $response = null;
  32     if ($article_link) {
  33       $encoded = urlencode($article_link);
  34       $r = file_get_contents("https://api.flattr.com/rest/v2/things/lookup/?url=$encoded");
  35       $response = json_decode($r, true);
  36     }
  37
  38     $rv = null;
  39     if ($response and array_key_exists('link', $response)) {
  40       $rv = "<a id='flattr' href='" . $response['link'] . "'>
  41         <img src=\"".theme_image($this->link, 'plugins/flattr/flattr.png')."\"
  42         class='tagsPic' style=\"cursor : pointer\"
  43         title='".__('Flattr article')."'>
  44         </a>";
  45     } else {
  46       $rv = "";
  47     }
  48
  49     return $rv;
  50   }
  51 }
  52 ?>