Post starred items from Google Reader to Delicious

google-reader-starred-to-delicious

<?php

//$first_run = TRUE; // fetch all shared items from Google Reader on the first run

$id = 'YOUR_GOOGLE_ID_NUMBER';
$delicious = array(
  'user' =>'YOUR_DELICIOUS_USERNAME',
  'password' => 'YOUR_DELICIOUS_PASSWORD',
  );

/* edit above here */

define('DELICIOUS_API', sprintf('https://%s:%[email protected]/v1', rawurlencode($delicious['user']), rawurlencode($delicious['password'])));
$posted_file = 'posted.txt';

if (file_exists($posted_file))
  $posted = json_decode(file_get_contents($posted_file));
if (!is_object($posted))
  $posted = new stdClass();

$path = sprintf('user/%s/state/com.google/broadcast', $id); // too long for %d
$url = 'http://www.google.com/reader/public/atom/' . rawurlencode($path);
if ($first_run)
  $url .= '?n=10000'; // for first import, fetch all items

$feed = simplexml_load_file($url);

$feed->registerXPathNamespace('atom', 'http://www.w3.org/2005/Atom');

foreach ($feed->xpath('atom:entry') as $entry){
  $entry->registerXPathNamespace('atom', 'http://www.w3.org/2005/Atom');
  $data = $entry->children('http://www.w3.org/2005/Atom');

  $item = array(
    'id' => (string) $data->id,
    'title' => (string) $data->title,
    'date' => strtotime((string) $data->published),
    'link' => (string) current($entry->xpath('atom:link/@href')),
    );
   
  if ($posted->{$item['link']})
    continue;

  print $item['link'] . "\n";
  
  $result = post_bookmark($item);
  print $result . "\n";
  
  switch ($result){    
    case 'done':
    case 'item already exists':
    break;
    
    default:
      exit('stopping (error posting bookmark)');
    break;
  }
  
  $posted->{$item['link']} = 1;
  file_put_contents($posted_file, json_encode($posted));
}

function post_bookmark($item){
  if (!$item['link'])
    return FALSE;
    
  $link = resolve_url($item['link']);
  print $link . "\n";
  
  $params = array(
   'url' => $link,
   'description' => $item['title'],
   'tags' => 'gshared',
   'dt' => date('Y-m-d\Th:m:s\Z', $item['date']),
   'replace' => 'no',
  );
 
  $url = DELICIOUS_API . '/posts/add?' . http_build_query($params);
  $xml = simplexml_load_file($url);
  
  sleep(1);
    
  if (!is_object($xml))
    return FALSE;
   
  return (string) $xml['code'];
}

function resolve_url($url){
  $ch = curl_init($url);
  
  curl_setopt_array($ch, array(
    CURLOPT_CONNECTTIMEOUT => 10,
    CURLOPT_FOLLOWLOCATION => TRUE,
    CURLOPT_NOBODY => TRUE, // uses HEAD
  ));

  curl_exec($ch);
  return curl_getinfo($ch, CURLINFO_HTTP_CODE) == 200 ? curl_getinfo($ch, CURLINFO_EFFECTIVE_URL) : $url;
}