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<?php
// widget function
class tp_widget_recent_tweets extends WP_Widget {
public function __construct() {
parent::__construct(
'tp_widget_recent_tweets', // Base ID
'* Recent Tweets', // Name
array( 'description' => __( 'Display recent tweets', 'tp_tweets' ), ) // Args
);
}
//widget output
public function widget($args, $instance) {
extract($args);
$unique_cache = '_' . strtolower($instance['username']);
if(!empty($instance['title'])){ $title = apply_filters( 'widget_title', $instance['title'] ); }
echo $before_widget;
if ( ! empty( $title ) ){ echo $before_title . $title . $after_title; }
//check settings and die if not set
if(empty($instance['consumerkey']) || empty($instance['consumersecret']) || empty($instance['accesstoken']) || empty($instance['accesstokensecret']) || empty($instance['cachetime']) || empty($instance['username'])){
echo '<strong>'.__('Please fill all widget settings!','tp_tweets').'</strong>' . $after_widget;
return;
}
//check if cache needs update
$tp_twitter_plugin_last_cache_time = get_option('tp_twitter_plugin_last_cache_time' . $unique_cache);
$diff = time() - $tp_twitter_plugin_last_cache_time;
$crt = $instance['cachetime'] * 3600;
// yes, it needs update
if($diff >= $crt || empty($tp_twitter_plugin_last_cache_time)){
if(!require_once('twitteroauth.php')){
echo '<strong>'.__('Couldn\'t find twitteroauth.php!','tp_tweets').'</strong>' . $after_widget;
return;
}
function getConnectionWithAccessToken($cons_key, $cons_secret, $oauth_token, $oauth_token_secret) {
$connection = new TwitterOAuth($cons_key, $cons_secret, $oauth_token, $oauth_token_secret);
return $connection;
}
$connection = getConnectionWithAccessToken($instance['consumerkey'], $instance['consumersecret'], $instance['accesstoken'], $instance['accesstokensecret']);
$tweets = $connection->get("https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name=".$instance['username']."&count=10&exclude_replies=".$instance['excludereplies']) or die('Couldn\'t retrieve tweets! Wrong username?');
if(!empty($tweets->errors)){
if($tweets->errors[0]->message == 'Invalid or expired token'){
echo '<strong>'.$tweets->errors[0]->message.'!</strong><br />' . __('You\'ll need to regenerate it <a href="https://dev.twitter.com/apps" target="_blank">here</a>!','tp_tweets') . $after_widget;
}else{
echo '<strong>'.$tweets->errors[0]->message.'</strong>' . $after_widget;
}
return;
}
$tweets_array = array();
for($i = 0;$i <= count($tweets); $i++){
if(!empty($tweets[$i])){
$tweets_array[$i]['created_at'] = $tweets[$i]->created_at;
//clean tweet text
$tweets_array[$i]['text'] = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $tweets[$i]->text);
if(!empty($tweets[$i]->id_str)){
$tweets_array[$i]['status_id'] = $tweets[$i]->id_str;
}
}
}
//save tweets to wp option
update_option('tp_twitter_plugin_tweets' . $unique_cache,serialize($tweets_array));
update_option('tp_twitter_plugin_last_cache_time' . $unique_cache,time());
echo '<!-- twitter cache has been updated! -->';
}
$tp_twitter_plugin_tweets = maybe_unserialize(get_option('tp_twitter_plugin_tweets' . $unique_cache));
if(!empty($tp_twitter_plugin_tweets) && is_array($tp_twitter_plugin_tweets)){
print '
<div class="tp_recent_tweets">
<ul>';
$fctr = '1';
foreach($tp_twitter_plugin_tweets as $tweet){
if(!empty($tweet['text'])){
if(empty($tweet['status_id'])){ $tweet['status_id'] = ''; }
if(empty($tweet['created_at'])){ $tweet['created_at'] = ''; }
print '<li><span>'.tp_convert_links($tweet['text']).'</span><br /><a class="twitter_time" target="_blank" href="http://twitter.com/'.$instance['username'].'/statuses/'.$tweet['status_id'].'">'.tp_relative_time($tweet['created_at']).'</a></li>';
if($fctr == $instance['tweetstoshow']){ break; }
$fctr++;
}
}
print '
</ul>
</div>';
}else{
print '
<div class="tp_recent_tweets">
' . __('<b>Error!</b> Couldn\'t retrieve tweets for some reason!','tp_tweets') . '
</div>';
}
echo $after_widget;
}
//save widget settings
public function update($new_instance, $old_instance) {
$instance = array();
$instance['title'] = strip_tags( $new_instance['title'] );
$instance['consumerkey'] = strip_tags( $new_instance['consumerkey'] );
$instance['consumersecret'] = strip_tags( $new_instance['consumersecret'] );
$instance['accesstoken'] = strip_tags( $new_instance['accesstoken'] );
$instance['accesstokensecret'] = strip_tags( $new_instance['accesstokensecret'] );
$instance['cachetime'] = strip_tags( $new_instance['cachetime'] );
$instance['username'] = strip_tags( $new_instance['username'] );
$instance['tweetstoshow'] = strip_tags( $new_instance['tweetstoshow'] );
$instance['excludereplies'] = strip_tags( $new_instance['excludereplies'] );
if($old_instance['username'] != $new_instance['username']){
delete_option('tp_twitter_plugin_last_cache_time');
}
return $instance;
}
//widget settings form
public function form($instance) {
$defaults = array( 'title' => '', 'consumerkey' => '', 'consumersecret' => '', 'accesstoken' => '', 'accesstokensecret' => '', 'cachetime' => '', 'username' => '', 'tweetstoshow' => '' );
$instance = wp_parse_args( (array) $instance, $defaults );
echo '
<p><label>' . __('Title:','tp_tweets') . '</label>
<input type="text" name="'.$this->get_field_name( 'title' ).'" id="'.$this->get_field_id( 'title' ).'" value="'.esc_attr($instance['title']).'" class="widefat" /></p>
<p><label>' . __('Consumer Key:','tp_tweets') . '</label>
<input type="text" name="'.$this->get_field_name( 'consumerkey' ).'" id="'.$this->get_field_id( 'consumerkey' ).'" value="'.esc_attr($instance['consumerkey']).'" class="widefat" /></p>
<p><label>' . __('Consumer Secret:','tp_tweets') . '</label>
<input type="text" name="'.$this->get_field_name( 'consumersecret' ).'" id="'.$this->get_field_id( 'consumersecret' ).'" value="'.esc_attr($instance['consumersecret']).'" class="widefat" /></p>
<p><label>' . __('Access Token:','tp_tweets') . '</label>
<input type="text" name="'.$this->get_field_name( 'accesstoken' ).'" id="'.$this->get_field_id( 'accesstoken' ).'" value="'.esc_attr($instance['accesstoken']).'" class="widefat" /></p>
<p><label>' . __('Access Token Secret:','tp_tweets') . '</label>
<input type="text" name="'.$this->get_field_name( 'accesstokensecret' ).'" id="'.$this->get_field_id( 'accesstokensecret' ).'" value="'.esc_attr($instance['accesstokensecret']).'" class="widefat" /></p>
<p><label>' . __('Cache Tweets in every:','tp_tweets') . '</label>
<input type="text" name="'.$this->get_field_name( 'cachetime' ).'" id="'.$this->get_field_id( 'cachetime' ).'" value="'.esc_attr($instance['cachetime']).'" class="small-text" /> hours</p>
<p><label>' . __('Twitter Username:','tp_tweets') . '</label>
<input type="text" name="'.$this->get_field_name( 'username' ).'" id="'.$this->get_field_id( 'username' ).'" value="'.esc_attr($instance['username']).'" class="widefat" /></p>
<p><label>' . __('Tweets to display:','tp_tweets') . '</label>
<select type="text" name="'.$this->get_field_name( 'tweetstoshow' ).'" id="'.$this->get_field_id( 'tweetstoshow' ).'">';
$i = 1;
for(i; $i <= 10; $i++){
echo '<option value="'.$i.'"'; if($instance['tweetstoshow'] == $i){ echo ' selected="selected"'; } echo '>'.$i.'</option>';
}
echo '
</select></p>
<p><label>' . __('Exclude replies:','tp_tweets') . '</label>
<input type="checkbox" name="'.$this->get_field_name( 'excludereplies' ).'" id="'.$this->get_field_id( 'excludereplies' ).'" value="true"';
if(!empty($instance['excludereplies']) && esc_attr($instance['excludereplies']) == 'true'){
print ' checked="checked"';
}
print ' /></p>';
}
}
//convert links to clickable format
if (!function_exists('tp_convert_links')) {
function tp_convert_links($status,$targetBlank=true,$linkMaxLen=250){
// the target
$target=$targetBlank ? " target=\"_blank\" " : "";
// convert link to url
$status = preg_replace('/\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[A-Z0-9+&@#\/%=~_|]/i', '<a href="\0" target="_blank">\0</a>', $status);
// convert @ to follow
$status = preg_replace("/(@([_a-z0-9\-]+))/i","<a href=\"http://twitter.com/$2\" title=\"Follow $2\" $target >$1</a>",$status);
// convert # to search
$status = preg_replace("/(#([_a-z0-9\-]+))/i","<a href=\"https://twitter.com/search?q=$2\" title=\"Search $1\" $target >$1</a>",$status);
// return the status
return $status;
}
}
//convert dates to readable format
if (!function_exists('tp_relative_time')) {
function tp_relative_time($a) {
//get current timestampt
$b = strtotime('now');
//get timestamp when tweet created
$c = strtotime($a);
//get difference
$d = $b - $c;
//calculate different time values
$minute = 60;
$hour = $minute * 60;
$day = $hour * 24;
$week = $day * 7;
if(is_numeric($d) && $d > 0) {
//if less then 3 seconds
if($d < 3) return __('right now','tp_tweets');
//if less then minute
if($d < $minute) return floor($d) . __(' seconds ago','tp_tweets');
//if less then 2 minutes
if($d < $minute * 2) return __('about 1 minute ago','tp_tweets');
//if less then hour
if($d < $hour) return floor($d / $minute) . __(' minutes ago','tp_tweets');
//if less then 2 hours
if($d < $hour * 2) return __('about 1 hour ago','tp_tweets');
//if less then day
if($d < $day) return floor($d / $hour) . __(' hours ago','tp_tweets');
//if more then day, but less then 2 days
if($d > $day && $d < $day * 2) return __('yesterday','tp_tweets');
//if less then year
if($d < $day * 365) return floor($d / $day) . __(' days ago','tp_tweets');
//else return more than a year
return __('over a year ago','tp_tweets');
}
}
}
// register widget
function register_tp_twitter_widget(){
register_widget('tp_widget_recent_tweets');
}
add_action('init', 'register_tp_twitter_widget', 1)
?>
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