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<?php
namespace Providers;
require_once('Provider.php');
require_once('../lib/codebird-php/src/codebird.php');
class Twitter extends \Providers\Provider {
private $_api;
public function __construct($feed, $options=[]) {
parent::__construct($feed, $options);
$config = json_decode(file_get_contents('../config/twitter.json'), TRUE);
\Codebird\Codebird::setConsumerKey($config['key'], $config['secret']);
\Codebird\Codebird::setBearerToken($config['token']);
$this->_api = \Codebird\Codebird::getInstance();
}
protected function _getCachePath() {
return '../cache/twitter.%s.json';
}
protected function _fetchItems() {
$content = $this->_api->statuses_userTimeline([
'screen_name' => $this->_feed,
'count' => 200,
'exclude_replies' => TRUE
], TRUE);
if (isset($content->rate)) {
unset($content->rate);
}
if ($content->httpstatus !== 200) {
$errorString = '';
if (isset($content->error)) {
$errorString = $content->error;
}
if (isset($content->errors)) {
$errorString = implode('\n', array_map(
function($error) {
return $error->message . ' (' . $error->code . ')';
}, $content->errors
));
}
throw new Exception($errorString);
}
unset($content->httpstatus);
return $content;
}
protected function _spamFilter($items) {
$db = new \PDO('sqlite:../spamlinks.db');
$spamQuery = $db->prepare('SELECT id FROM twitter WHERE username = :name');
$spamQuery->bindParam(':name', $user);
$spamQuery->execute();
$spamContent = array_map(
function($row) {
return $row[0];
},
$spamQuery->fetchAll()
);
$spamHashes = [];
$filteredContent = [];
foreach ($items as $c) {
if (!in_array($c->id_str, $spamContent)) {
$twitterURLs = FALSE;
$urls = array_filter(
array_map(
function($url) {
return $url->expanded_url;
},
$c->entities->urls
),
function($url) use(&$twitterURLs) {
$urlParts = parse_url($url);
if ($urlParts['host'] == 'twitter.com') {
$twitterURLs = TRUE;
return FALSE;
}
return TRUE;
}
);
if (!$urls) {
if (!$twitterURLs) {
$filteredContent[] = $c;
}
} else {
sort($urls);
$urlHash = md5(implode('|', $urls));
if (isset($filteredContent[$urlHash])) {
$spamHashes[] = $c->id_str;
}
$filteredContent[$urlHash] = $c;
}
}
}
$content = $filteredContent;
if ($spamHashes) {
foreach ($spamHashes as $hash) {
$insertQuery = $db->prepare(
'INSERT INTO twitter(id, username) VALUES (?, ?)'
);
$insertQuery->bindParam(1, $hash);
$insertQuery->bindParam(2, $user);
$insertQuery->execute();
}
}
return $content;
}
protected function _sortContent($content) {
usort($content, function($c1, $c2) { return strcmp($c2->id_str, $c1->id_str); });
return $content;
}
public function title() {
return sprintf("%s's timeline", $this->_feed);
}
}
?>
|
