twitter-widget.php

<?php

require_once( JEG_PLUGIN_DIR . '/lib/twitter/Autolink.php');

if ( ! class_exists( 'jeg_twitter_class' ) )
{
    class jeg_twitter_class
    {

        public $screen_name = "";
        public $cachefile = "";
        public $consumerkey = "";
        public $consumersecret = "";
        public $accesstoken = "";
        public $accesstokensecret = "";

        public $tags = true;
        public $nofollow = true;
        public $newwindow = true;
        public $hashtags = true;
        public $attags = true;

        public function __construct($screen_name = '', $consumerkey ='', $consumersecret ='', $accesstoken ='', $accesstokensecret ='', $cachefile = '') {
            $this->screen_name = empty($screen_name) ? JEG_PLUGIN_DIR .'/lib/twitter/cache/twitter.txt' : $screen_name;
            $this->cachefile = empty($cachefile) ? JEG_PLUGIN_DIR .'/lib/twitter/cache/twitter.txt' : $cachefile;
            $this->consumerkey = $consumerkey;
            $this->consumersecret = $consumersecret;
            $this->accesstoken = $accesstoken;
            $this->accesstokensecret = $accesstokensecret;
        }

        private function cleanTwitterName($twitterid)
        {
            $test = substr($twitterid,0,1);

            if($test == "@"){
                $twitterid = substr($twitterid,1);
            }

            return $twitterid;

        }

        private function changeLink($string)
        {
            // Username linkable
            $string = preg_replace('/(?<=^|\s)@([a-z0-9_]+)/i','<a href="http://www.twitter.com/$1">@$1</a>',$string);

            // Hashtag
            $string = preg_replace('/(^|\s)#(\w*[a-zA-Z_]+\w*)/', '\1#<a href="http://twitter.com/search?q=%23\2">\2</a>', $string);

            if(!$this->tags){
                $string = strip_tags($string);
            }
            if($this->nofollow){
                $string = str_replace('<a ','<a rel="nofollow"', $string);
            }
            if($this->newwindow){
                $string = str_replace('<a ','<a target="_blank"', $string);
            }
            return $string;
        }

        private function getTimeAgo($time)
        {
                $tweettime = strtotime($time); // This is the value of the time difference - UK + 1 hours (3600 seconds)
                $nowtime = time();
                $timeago = ($nowtime-$tweettime);
                $thehours = floor($timeago/3600);
                $theminutes = floor($timeago/60);
                $thedays = floor($timeago/86400);
                /********************* Checking the times and returning correct value */
                if($theminutes < 60){
                    if($theminutes < 1){
                        $timemessage =  "Less than 1 minute ago";
                    } else if($theminutes == 1) {
                        $timemessage = $theminutes." minute ago";
                    } else {
                        $timemessage = $theminutes." minutes ago";
                    }
                } else if($theminutes > 60 && $thedays < 1){
                     if($thehours == 1){
                        $timemessage = $thehours." hour ago";
                     } else {
                        $timemessage = $thehours." hours ago";
                     }
                } else {
                     if($thedays == 1){
                        $timemessage = $thedays." day ago";
                     } else {
                        $timemessage = $thedays." days ago";
                     }
                }
            return $timemessage;
        }

        private function removeSpamCharacters($string)
        {
            $string = preg_replace('/[^(\x20-\x7F)]*/','', $string);
            return $string;
        }

        public function formatTweets($tweets)
        {
            $t = array();
            $i = 0;

            foreach($tweets as $tweet)
            {
                if(isset($tweet->retweeted_status)){
                    $text = $this->removeSpamCharacters($tweet->retweeted_status->text);
                } else {
                    $text = $this->removeSpamCharacters($tweet->text);
                }
                $urls = $tweet->entities->urls;
                $mentions = $tweet->entities->user_mentions;
                $hashtags = $tweet->entities->hashtags;
                if($urls){
                    foreach($urls as $url){
                        if(strpos($text,$url->url) !== false){
                            $text = str_replace($url->url,'<a href="'.$url->url.'">'.$url->url.'</a>',$text);
                        }
                    }
                }
                if($mentions && $this->attags){
                    foreach($mentions as $mention){
                        if(strpos($text,$mention->screen_name) !== false){
                            $text = str_replace("@".$mention->screen_name." ",'<a href="http://twitter.com/'.$mention->screen_name.'">@'.$mention->screen_name.'</a> ',$text);
                        }
                    }
                }
                if($hashtags && $this->hashtags){
                    foreach($hashtags as $hashtag){
                        if(strpos($text,$hashtag->text) !== false){
                            $text = str_replace('#'.$hashtag->text." ",'<a href="http://twitter.com/search?q=%23'.$hashtag->text.'">#'.$hashtag->text.'</a> ',$text);
                        }
                    }
                }
                $t[$i]["tweet"] = Twitter_Autolink::create($text, false)
                                        ->setNoFollow(false)->setExternal(false)->setTarget('')
                                        ->setUsernameClass('')
                                        ->setHashtagClass('')
                                        ->setURLClass('')
                                        ->addLinks(); //trim($this->changeLink($text));
                $t[$i]["time"] = trim($this->getTimeAgo($tweet->created_at));
                $i++;
            }

            $this->saveCachedTweets($t);
            return $t;
        }

        private function saveCachedTweets($data)
        {
            $data = json_encode($data);
            $f = file_put_contents($this->cachefile, $data);
        }

        private function getCachedTweets()
        {
            return file_get_contents($this->cachefile);
        }

        public function getTweets($count = 1)
        {
            if(class_exists('TwitterOAuth')) {
                require_once(JEG_PLUGIN_DIR . '/lib/twitter/twitteroauth.php');
            }

            $twitterconn = new TwitterOAuth($this->consumerkey, $this->consumersecret, $this->accesstoken, $this->accesstokensecret);

            $latesttweets = $twitterconn->get("https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name=".$this->screen_name."&count=".$count);

            if(!isset($latesttweets->errors)){
                return $this->formatTweets($latesttweets);
            } else {
                return json_decode($this->getCachedTweets(), true);
            }

        }
    }
}

if(!function_exists('jeg_fetch_twitter'))
{
    function jeg_fetch_twitter($twitter_username, $twitter_count = 5, $twitter_consumer_key, $twitter_consumer_secret, $twitter_access_token, $twitter_access_token_secret)
    {
        /*$cachetimeout = 60 * 60 * 3;
        $currentcachetimeout = get_option( 'jeg_tweet_timeout', 0);
        if( ( time() - $cachetimeout ) >  $currentcachetimeout)
        {*/
            $twitter = new jeg_twitter_class($twitter_username, $twitter_consumer_key, $twitter_consumer_secret, $twitter_access_token, $twitter_access_token_secret);

            $twitter->consumerkey = $twitter_consumer_key;
            $twitter->consumersecret = $twitter_consumer_secret;
            $twitter->accesstoken = $twitter_access_token;
            $twitter->accesstokensecret = $twitter_access_token_secret;

            # cache file
            $tweets = $twitter->getTweets($twitter_count);

            update_option('jeg_tweet_timeout', time());
            update_option('jeg_tweet_cache_content', $tweets);

            return $tweets;

        /*} else {
            return get_option('jeg_tweet_cache_content', __('Sorry, no tweet found.', 'jeg_textdomain'));
        }*/
    }
}

$jeg_tweets = jeg_fetch_twitter($twitter_username, $twitter_count, $twitter_consumer_key, $twitter_consumer_secret, $twitter_access_token, $twitter_access_token_secret);

?>

<div class="jeg-twitter-container">
    <div class="jeg-tweets">
        <ul>
            <?php if (is_array($jeg_tweets)) : foreach ($jeg_tweets as $jeg_tweet) : ?>
                <li class="jeg-tweet-container">
                    <div class="jeg-tweet"><?php echo $jeg_tweet['tweet'] ?></div>
                    <span class="jeg-tweet-time"><?php echo $jeg_tweet['time'] ?></span>
                </li>
            <?php endforeach; else : ?>
                <li><?php echo $jeg_tweets ?></li>
            <?php endif; ?>
        </ul>
    </div>

    <div class="jeg-follow-button clearfix">
        <a href="https://twitter.com/<?php echo $twitter_username ?>" class="twitter-follow-button" data-show-count="false">Follow @<?php echo $twitter_username ?></a>
        <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
    </div>
</div>