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sofasurfer/MODX SocialFeed

Created November 8, 2017 10:18
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MODX SocialFeed
<?php
/*
General settings
*/
define('FEED_CACHE_TIME', $modx->getOption('socialfeed.cachetime'));
define('FEED_CACHE_PATH', $modx->getOption('socialfeed.cachepath'));
/*
Instagram settings
*/
define('INSTAGRAM_FEED', $modx->getOption('socialfeed.instagramusername'));
define('INSTAGRAM_ACCESSTOKEN', $modx->getOption('socialfeed.instagramaccesstoken'));
/*
Twitter settings
*/
define('TWITTER_ACCESS_TOKEN', $modx->getOption('socialfeed.twitteraccesstoken'));
define('TWITTER_ACCESS_TOKEN_SECRET', $modx->getOption('socialfeed.twitteraccesstokensecret'));
define('TWITTER_CONSUMER_KEY', $modx->getOption('socialfeed.twitterconsumerkey'));
define('TWITTER_CONSUMER_SECRET', $modx->getOption('socialfeed.twitterconsumerkeysecret'));
/*
Retrieves different social media feeds
*/
class SocialFeed {
public function __construct() {
}
/*
Retrieve all feeds together
*/
public function get_feeds($sources=array('instagram','facebook','twitter')){
// Feed list
$feed = array();
/*
Get Instagram feed
*/
if( in_array('instagram', $sources)){
$ig_feed = $this->get_instagram();
foreach($ig_feed->data as $ig){
$media = array();
// Get video/image sources
if( $ig->type === 'video' ){
$media[] = array(
'type' => $ig->type,
'video' => $ig->videos->standard_resolution->url,
'source' => $ig->images->standard_resolution->url
);
}else if(!empty($ig->carousel_media)){
$media = array();
foreach($ig->carousel_media as $image){
array_push($media, array(
'type' => 'photo',
'source' => $image->images->standard_resolution->url
));
}
}else{
array_push($media, array(
'type' => $ig->type,
'source' => $ig->images->standard_resolution->url
));
}
// Replace hashtags and user links
$message = preg_replace('/#([0-9a-zA-Z]+)/i', '<a target="_blank" href="https://www.instagram.com/explore/tags/$1/">#$1</a>', $ig->caption->text);
$message = preg_replace('/@([0-9a-zA-Z]+)/i', '<a target="_blank" href="https://www.instagram.com/$1/">@$1</a>', $message);
// Add new item
$item = array(
'source' => 'instagram',
'date' => $ig->created_time,
'text' => $message,
'media' => $media,
'likes' => $ig->likes->count,
'comments' => $ig->comments->count,
'link' => $ig->link
);
array_push($feed, $item);
}
}
/*
Get Twitter feed
*/
if( in_array('twitter', $sources)){
$tw_feed = $this->get_twitter();
foreach($tw_feed as $ig){
$media = array();
$url = '~(?:(https?)://([^\s<]+)|(www\.[^\s<]+?\.[^\s<]+))(?<![\.,:])~i';
$message = preg_replace($url, '<a href="$0" target="_blank" title="$0">$0</a>', $ig->text);
// Replace hashtags
$message = preg_replace('/#([0-9a-zA-Z]+)/i', '<a target="_blank" href="https://twitter.com/hashtag/$1/">#$1</a>', $message);
$message = preg_replace('/@([0-9a-zA-Z]+)/i', '<a target="_blank" href="https://twitter.com/$1/">@$1</a>', $message);
// Get media
if(!empty($ig->entities->media)){
// error_log($ig->text . ': ' . print_r($ig->entities->media,true));
if($ig->entities->media[0]->type === 'video'){
$media[] = array(
'type' => 'video',
'video' => '',
'source' => $ig->entities->media[0]->media_url_https,
);
}else if($ig->extended_entities->media[0]->type === 'animated_gif'){
$media[] = array(
'type' => 'video',
'video' => $ig->extended_entities->media[0]->video_info->variants[0]->url,
'source' => $ig->entities->media[0]->media_url_https,
);
}else{
$media[] = array(
'type' => $ig->entities->media[0]->type,
'source' => $ig->entities->media[0]->media_url_https,
);
}
}else{
$media[] = array('type'=>'none');
}
$item = array(
'source' => 'twitter',
'date' => strtotime($ig->created_at),
'text' => $message,
'media' => $media,
'likes' => $ig->favorite_count,
'comments' => $ig->retweet_count,
'link' => 'https://twitter.com/statuses/'.$ig->id
);
array_push($feed, $item);
}
}
// sort result
usort($feed, function($a, $b) {
return $a['date'] <=> $b['date'];
});
$feed = array_reverse($feed);
return json_decode(json_encode($feed));
}
/*
Get Instagram Feed
*/
public function get_instagram(){
if($this->get_cache('instagram')){
$json = $this->get_cache('instagram');
}else{
$url = "https://api.instagram.com/v1/users/self/media/recent/?access_token=".INSTAGRAM_ACCESSTOKEN;
if (!function_exists('curl_init')){
die('CURL is not installed!');
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$json = curl_exec($ch);
curl_close($ch);
$this->set_cache('instagram',$json);
}
return json_decode($json);
}
/*
Get twitter feed
*/
public function get_twitter(){
if($this->get_cache('twitter')){
$json = $this->get_cache('twitter');
}else{
$url = "https://api.twitter.com/1.1/statuses/user_timeline.json";
$oauth = array( 'oauth_consumer_key' => TWITTER_CONSUMER_KEY,
'oauth_nonce' => time(),
'oauth_signature_method' => 'HMAC-SHA1',
'oauth_token' => TWITTER_ACCESS_TOKEN,
'oauth_timestamp' => time(),
'oauth_version' => '1.0');
$base_info = $this->buildBaseString($url, 'GET', $oauth);
$composite_key = rawurlencode(TWITTER_CONSUMER_SECRET) . '&' . rawurlencode(TWITTER_ACCESS_TOKEN_SECRET);
$oauth_signature = base64_encode(hash_hmac('sha1', $base_info, $composite_key, true));
$oauth['oauth_signature'] = $oauth_signature;
// Make requests
$header = array($this->buildAuthorizationHeader($oauth), 'Expect:');
$options = array( CURLOPT_HTTPHEADER => $header,
//CURLOPT_POSTFIELDS => $postfields,
CURLOPT_HEADER => false,
CURLOPT_URL => $url,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_SSL_VERIFYPEER => false);
$feed = curl_init();
curl_setopt_array($feed, $options);
$json = curl_exec($feed);
curl_close($feed);
$this->set_cache('twitter',$json);
}
return json_decode($json);
}
private function buildBaseString($baseURI, $method, $params) {
$r = array();
ksort($params);
foreach($params as $key=>$value){
$r[] = "$key=" . rawurlencode($value);
}
return $method."&" . rawurlencode($baseURI) . '&' . rawurlencode(implode('&', $r));
}
private function buildAuthorizationHeader($oauth) {
$r = 'Authorization: OAuth ';
$values = array();
foreach($oauth as $key=>$value)
$values[] = "$key=\"" . rawurlencode($value) . "\"";
$r .= implode(', ', $values);
return $r;
}
/*
Caches the feed items
*/
private function get_cache($key){
$filename = FEED_CACHE_PATH. $key;
if(file_exists($filename) && (filemtime($filename)+FEED_CACHE_TIME) > time() ){
return file_get_contents($filename);
}
return false;
}
private function set_cache($key,$data){
$filename = FEED_CACHE_PATH. $key;
$myfile = fopen($filename, "w") or die("Unable to open file! Make sure the cache folder exists in the root directory ");
fwrite($myfile, $data);
fclose($myfile);
}
}
/*
Get Feed Items and list them
ToDo: Make this proper with chunks
*/
$feed = new SocialFeed();
$all = $feed->get_feeds(array('instagram','twitter','facebook'));
$feed_content = "<div class=\"socialfeed grid all\">";
foreach($all as $item){
$image = "";
if (!empty($item->media[0]) && $item->media[0]->type === 'video') {
$poster = $item->media[0]->source;
$source = $item->media[0]->video;
$image = "<video class=\"embed-responsive-item\" width=\"350\"
poster=\"{$poster}\" controls>
<source src=\"{$source}\" type=\"video/mp4\" />
</video>";
} else if (!empty($item->media) && count($item->media) > 1 ){
$indicators = array();
$slides = array();
$counter = 0;
foreach($item->media as $mitem){
$class = '';
if ($counter == 0 ){
$class = 'active';
}
array_push($indicators, '<li data-target="#carousel-example-generic-'.$item->date.'" data-slide-to="'.$counter.'" class="'.$class.'"></li>');
array_push($slides, '<div class="item '.$class.'"><img src="'.$mitem->source.'"></div>');
$counter++;
}
$image = '<div id="carousel-example-generic-'.$item->date.'" class="carousel slide" data-ride="carousel">';
$image .= '<ol class="carousel-indicators">';
$image .= implode('',$indicators);
$image .= '</ol>';
$image .= '<div class="carousel-inner" role="listbox">';
$image .= implode('',$slides);
$image .= '</div>';
$image .= '</div>';
} else if (!empty($item->media[0]->source)) {
// image
$source = $item->media[0]->source;
$image = "<img class=\"media\" src=\"{$source}\"/>";
}
$feed_content .= '<div class="grid-item col-md-4"><div class="thumbnail">'
//. '<a target="_blank" href="' . $item->link . '">'
// . '<div class="media">' . $image . '</div>'
. $image
//. '</a>'
. '<div class="meta">' . date('d.m.Y', $item->date) . ' - <a target="_blank" href="' . $item->link . '">' . $item->source . '</a></div>'
. '<div class="content">' . $item->text .'</div>'
. '<div class="info" >'
. '<i class="fa fa-thumbs-o-up"><span>' . $item->likes . ' Likes</span></i> '
. '<i class="fa fa-comment-o"><span>' . $item->comments . ' Comments</span></i>'
. '</div>'
. '</div></div>';
}
$feed_content .= "</div>";
return $feed_content;
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