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CwsShareCount/lib/Cws/CwsShareCount.php
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<?php
/**
* CwsShareCount
*
* @package CwsShareCount
* @author Cr@zy
* @copyright 2013-2015, Cr@zy
* @license GNU LESSER GENERAL PUBLIC LICENSE
* @link https://github.com/crazy-max/CwsShareCount
*/
namespace Cws;
class CwsShareCount
{
const SN_DELICIOUS = 'Delicious';
const SN_FACEBOOK = 'Facebook';
const SN_GOOGLEPLUS = 'Google+';
const SN_LINKEDIN = 'LinkedIn';
const SN_PINTEREST = 'Pinterest';
const SN_REDDIT = 'Reddit';
const SN_STUMBLEUPON = 'StumbleUpon';
const SN_TWITTER = 'Twitter';
/**
* The last error message.
* @var string
*/
private $error;
/**
* The cws debug instance.
* @var CwsDebug
*/
private $cwsDebug;
/**
* The cws curl instance.
* @var CwsCurl
*/
private $cwsCurl;
public function __construct(CwsDebug $cwsDebug, CwsCurl $cwsCurl)
{
$this->cwsDebug = $cwsDebug;
$this->cwsCurl = $cwsCurl;
}
/**
* Get all social share count.
* @param string $url
* @return array
*/
public function getAll($url)
{
$result = array();
foreach (self::getSocialNetworks() as $socialNetwork) {
$result[$socialNetwork] = $this->getCount($url, $socialNetwork);
}
return $result;
}
/**
* Get delicious share count.
* @param string $url
* @return int
*/
public function getDeliciousCount($url)
{
return $this->getCount($url, self::SN_DELICIOUS);
}
/**
* Get facebook share count.
* @param string $url
* @return int
*/
public function getFacebookCount($url)
{
return $this->getCount($url, self::SN_FACEBOOK);
}
/**
* Get google plus share count.
* @param string $url
* @return int
*/
public function getGooglePlusCount($url)
{
return $this->getCount($url, self::SN_GOOGLEPLUS);
}
/**
* Get linkedin share count.
* @param string $url
* @return int
*/
public function getLinkedinCount($url)
{
return $this->getCount($url, self::SN_LINKEDIN);
}
/**
* Get pinterest share count.
* @param string $url
* @return int
*/
public function getPinterestCount($url)
{
return $this->getCount($url, self::SN_PINTEREST);
}
/**
* Get reddit share count.
* @param string $url
* @return int
*/
public function getRedditCount($url)
{
return $this->getCount($url, self::SN_REDDIT);
}
/**
* Get stumbleupon share count.
* @param string $url
* @return int
*/
public function getStumbleuponCount($url)
{
return $this->getCount($url, self::SN_STUMBLEUPON);
}
/**
* Get twitter share count.
* @param string $url
* @return int
*/
public function getTwitterCount($url)
{
return $this->getCount($url, self::SN_TWITTER);
}
/**
* Get social share count.
* @param string $url
* @param string $socialNetwork
* @return int
*/
private function getCount($url, $socialNetwork)
{
if (!in_array($socialNetwork, self::getSocialNetworks())) {
$this->error = 'Social network is not valid...';
$this->cwsDebug->error($this->error);
exit();
} elseif (!$this->isValidUrl($url)) {
$this->error = 'URL is not valid...';
$this->cwsDebug->error($this->error);
exit();
}
$this->cwsDebug->titleH2('get ' . $socialNetwork . ' count');
$this->cwsDebug->labelValue('URL', $url);
$this->cwsCurl->reset();
$this->cwsCurl->addOption(CURLOPT_HTTPHEADER, array('Content-type:application/json'));
$apiUrl = null;
switch ($socialNetwork) {
case self::SN_DELICIOUS:
$apiUrl = 'http://feeds.delicious.com/v2/json/urlinfo/data?url=' . urlencode($url);
break;
case self::SN_FACEBOOK:
$apiUrl = "http://graph.facebook.com/?id=" . urlencode($url);
break;
case self::SN_GOOGLEPLUS:
$apiUrl = 'https://clients6.google.com/rpc?key=AIzaSyCKSbrvQasunBoV16zDH9R33D88CeLr9gQ';
$this->cwsCurl->setPostMethod();
$this->cwsCurl->addOption(CURLOPT_POSTFIELDS, '[{"method":"pos.plusones.get","id":"p","params":{"nolog":true,"id":"' . $url . '","source":"widget","userId":"@viewer","groupId":"@self"},"jsonrpc":"2.0","key":"p","apiVersion":"v1"}]');
break;
case self::SN_LINKEDIN:
$apiUrl = 'http://www.linkedin.com/countserv/count/share?url=' . urlencode($url);
break;
case self::SN_PINTEREST:
$apiUrl = 'http://api.pinterest.com/v1/urls/count.json?callback=receiveCount&url=' . urlencode($url);
break;
case self::SN_REDDIT:
$apiUrl = 'http://buttons.reddit.com/button_info.json?url=' . urlencode($url);
break;
case self::SN_STUMBLEUPON:
$apiUrl = 'http://www.stumbleupon.com/services/1.01/badge.getinfo?url=' . urlencode($url);
break;
case self::SN_TWITTER:
$apiUrl = 'http://urls.api.twitter.com/1/urls/count.json?url=' . urlencode($url);
break;
}
$this->cwsDebug->labelValue('API URL', $apiUrl, CwsDebug::VERBOSE_REPORT);
$this->cwsCurl->setUrl($apiUrl);
$this->cwsCurl->process();
if ($this->cwsCurl->getError()) {
$this->error = $this->cwsCurl->getError();
$this->cwsDebug->error($this->error);
return false;
}
$content = str_replace("\n", "", $this->cwsCurl->getContent());
$this->cwsDebug->dump('Content fetched', $content, CwsDebug::VERBOSE_DEBUG);
$json = $this->cwsCurl->getContent();
switch ($socialNetwork) {
case self::SN_DELICIOUS:
if ($json == '[]') {
$json = '[{"total_posts": 0}]';
}
break;
case self::SN_LINKEDIN:
$json = str_replace('IN.Tags.Share.handleCount(', '', $json);
$json = str_replace(');', '', $json);
break;
case self::SN_PINTEREST:
$json = str_replace('receiveCount(', '', $json);
$json = substr($json, 0, -1);
break;
}
$json = json_decode($json, true);
if ($json == null || $json === false) {
$this->error = 'Invalid Json...';
$this->cwsDebug->error($this->error);
return false;
}
$this->cwsDebug->dump('Json', $json, CwsDebug::VERBOSE_REPORT);
$result = false;
switch ($socialNetwork) {
case self::SN_DELICIOUS:
if (isset($json[0]['total_posts'])) {
$result = intval($json[0]['total_posts']);
}
break;
case self::SN_FACEBOOK:
if (isset($json['share']['share_count'])) {
$result = intval($json['share']['share_count']);
}
break;
case self::SN_GOOGLEPLUS:
if (isset($json[0]['result']['metadata']['globalCounts']['count'])) {
$result = intval($json[0]['result']['metadata']['globalCounts']['count']);
}
break;
case self::SN_LINKEDIN:
if (isset($json['count'])) {
$result = intval($json['count']);
}
break;
case self::SN_PINTEREST:
if (isset($json['count'])) {
$result = intval($json['count']);
}
break;
case self::SN_REDDIT:
if (isset($json['data']['children'])) {
if (empty($json['data']['children'])) {
$result = 0;
} elseif (isset($json['data']['children'][0]['data']['score'])) {
$result = intval($json['data']['children'][0]['data']['score']);
}
}
break;
case self::SN_STUMBLEUPON:
if (isset($json['result']['views'])) {
$result = intval($json['result']['views']);
}
break;
case self::SN_TWITTER:
if (isset($json['count'])) {
$result = intval($json['count']);
}
break;
}
$this->cwsDebug->labelValue('Count', $result);
return $result;
}
/**
* Social networks list
* @return array
*/
private static function getSocialNetworks()
{
return array(
self::SN_DELICIOUS,
self::SN_FACEBOOK,
self::SN_GOOGLEPLUS,
self::SN_LINKEDIN,
self::SN_PINTEREST,
self::SN_REDDIT,
self::SN_STUMBLEUPON,
self::SN_TWITTER,
);
}
/**
* Check if url is valid
* @param $url
* @return bool
*/
private static function isValidUrl($url)
{
return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url)
|| filter_var(filter_var($url, FILTER_SANITIZE_URL), FILTER_VALIDATE_URL);
}
/**
* The last error.
* @return string $error
*/
public function getError()
{
return $this->error;
}
}