<?php

require_once './includes/bootstrap.inc';
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);

$q = $_REQUEST['q'];  // Should be defined on any page in links as rss.php?q=$_REQUEST['q']

list($module, $parameters) = split('/', $q, 2);
switch ($module) {
  case 'blog':
    if ($parameters != '') {
      feed_blog_user($parameters); 
    } else {
      feed_blog_last(); 
    }
    break;
  case 'taxonomy':
    //   taxonomy/term/87   
    list($cmd, $id) = split('/', $parameters, 2);
    if ($cmd == 'term' && $id != '') {
      feed_taxonomy_term($id);
    } else {
      feed_default();
    }
    break;
  default:
    feed_default();
    break;
}



function feed_taxonomy_term($str_tids) {

  $terms = taxonomy_terms_parse_string($str_tids);

  if ($terms['tids']) {
    $result = db_query(db_rewrite_sql('SELECT t.tid, t.name FROM {term_data} t WHERE t.tid IN ('. db_placeholders($terms['tids']) .')', 't', 'tid'), $terms['tids']);
    $tids = array(); // we rebuild the $tids-array so it only contains terms the user has access to.
    $names = array();
    while ($term = db_fetch_object($result)) {
      $tids[] = $term->tid;
      $names[] = $term->name;
    }

    if ($names) {
      $title = implode(', ', $names);
      drupal_set_title(check_plain($title));
      $channel['link'] = url('taxonomy/term/'. $str_tids .'/'. $depth, array('absolute' => TRUE));
      $channel['title'] = variable_get('site_name', 'Drupal') .' - '. $title;
      // Only display the description if we have a single term, to avoid clutter and confusion.
      if (count($tids) == 1) {
        $term = taxonomy_get_term($tids[0]);
        // HTML will be removed from feed description, so no need to filter here.
        $channel['description'] = $term->description;
      }
    
      $result = taxonomy_select_nodes($tids, $terms['operator'], $depth, FALSE);
      $items = array(); 
      while ($row = db_fetch_object($result)) {
        $items[] = $row->nid;
      }
    }
  }
  node_feed($items, $channel);
}

function get_account($uid) {
  return db_fetch_object(db_query("SELECT * FROM users u WHERE uid = $uid"));
}

function feed_blog_user($uid) {
  $account = get_account($uid);
  $result = db_query_range(
    db_rewrite_sql(
      "SELECT n.nid, n.created FROM {node} n  WHERE n.type = 'blog' AND n.uid = %d AND n.status = 1 ORDER BY n.created DESC"
    ), $uid, 0, variable_get('feed_default_items', 10));
  $channel['title'] = $account->name."'s blog";
  $channel['link'] = url('blog/'. $uid, array('absolute' => TRUE));

  $items = array();
  while ($row = db_fetch_object($result)) {
    $items[] = $row->nid;
  }
  node_feed($items, $channel);
}

function feed_blog_last() {
  $result = db_query_range(db_rewrite_sql("SELECT n.nid, n.created FROM {node} n WHERE n.type = 'blog' AND n.status = 1 ORDER BY n.created DESC"), 0, variable_get('feed_default_items', 10));
  $channel['title'] = variable_get('site_name', 'Drupal') .' blogs';
  $channel['link'] = url('blog', array('absolute' => TRUE));

  $items = array();
  while ($row = db_fetch_object($result)) {
    $items[] = $row->nid;
  }

  node_feed($items, $channel);
}

function feed_default() {
  $account = get_account($uid);
  $result = db_query_range(
    db_rewrite_sql(
      "SELECT n.nid, n.created FROM {node} n  WHERE n.status = 1 AND n.type NOT IN ('page') ORDER BY n.created DESC"
    ), $uid, 0, variable_get('feed_default_items', 10));
  $channel['title'] = variable_get('site_name', 'Drupal') . ': Värsket';
  $channel['link'] = url(NULL, array('absolute' => TRUE));

  $items = array();
  while ($row = db_fetch_object($result)) {
    $items[] = $row->nid;
  }
  node_feed($items, $channel);
}

?>