function debug($str)
{
if (DEBUG) {
//echo '<p style="font-family: monospace;">'.$str.'</p>';
twitlog("DEBUG: {$str}");
}
}
/**
* Send an authenticated request to Twitter for the timeline of authenticating users friends.
* Returns the last 20 updates by default
* @param boolean|integer $id Specifies the ID or screen name of the user for whom to return the friends_timeline. (set to false if you want to use authenticated user).
* @param boolean|integer $since Narrows the returned results to just those statuses created after the specified date.
* @param integer $count Specifies the number of statuses to retrieve. May not be greater than 200.
* @param integer $page The page number to retrieve.
* @return string
*/
function friendsTimeline($id = false, $since = false, $count = false, $page = 0)
{
$qs = '';
if ($since !== false) {
if (is_numeric($since)) {
$qs .= ($qs != '' ? '&' : '?') . 'since_id=' . urlencode($since);
} else {
$qs .= ($qs != '' ? '&' : '?') . 'since=' . urlencode($since);
}
}
if ($count !== false) {
$qs .= ($qs != '' ? '&' : '?') . 'count=' . urlencode($count);
}
if ($page) {
$qs .= ($qs != '' ? '&' : '?') . 'page=' . urlencode($page);
}
if ($id === false) {
$request = 'http://twitter.com/statuses/friends_timeline.' . $this->type . $qs;
} else {
$request = 'http://twitter.com/statuses/friends_timeline/' . urlencode($id) . '.' . $this->type . $qs;
}
twitlog("REQUEST: {$request}", 3, LOG_FILE);
$xml = $this->process($request);
//twitlog("XML: $xml",3,LOG_FILE);
return $this->objectify($xml);
}
function refresh_via_search_api($since = false)
{
$pid = fopen(UPDATE_PID_FILE, 'w');
fwrite($pid, getmypid());
fclose($pid);
$this->twitter->type = 'xml';
$friends = $this->twitter->friends();
$base_qs = "rpp=100&";
if (isset($since)) {
$base_qs .= "since_id=" . $since . "&";
}
$base_qs .= "q=";
$i = 0;
$queries = array();
// This attempts to batch calls to the Twitter API.
foreach ($friends as $friend) {
$next = urlencode(HASHTAG . " from:" . $friend->screen_name);
$next_length = strlen($queries[$j]) + strlen('+OR+' . $next);
if (strlen($queries[$j]) == 0) {
// simply initialize the query, this is for the first time through
$queries[$j] = $base_qs . $next;
} else {
if ($next_length > QUERY_LIMIT) {
// initialize a new query and advance counters, if query limit exceeded
$i = 0;
// reset friend counter
$j++;
// advance query index
$queries[$j] = $base_qs . $next;
} else {
$queries[$j] .= '+OR+' . $next;
}
}
}
$this->twitter->type = 'atom';
$tweets = array();
foreach ($queries as $q) {
twitlog("Sending query {$q}", 3, LOG_FILE);
$tmp = $this->twitter->search($q);
debug("query (" . strlen($q) . "): {$q}");
foreach ($tmp as $t) {
$tweet = Tweet::fromSimpleXML($t);
$tweets[] = $tweet;
$tweet->insert();
}
}
debug("# of tweets: " . count($tweets));
touch(LAST_UPDATE_FILE);
unlink(UPDATE_PID_FILE);
return $tweets;
}
