rss-bridge/bridges/TwitchBridge.php

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<?php
class TwitchBridge extends BridgeAbstract {
const MAINTAINER = 'Roliga';
const NAME = 'Twitch Bridge';
const URI = 'https://twitch.tv/';
const CACHE_TIMEOUT = 300; // 5min
const DESCRIPTION = 'Twitch channel videos';
const PARAMETERS = array( array(
'channel' => array(
'name' => 'Channel',
'type' => 'text',
'required' => true,
'title' => 'Lowercase channel name as seen in channel URL'
),
'type' => array(
'name' => 'Type',
'type' => 'list',
'values' => array(
'All' => 'all',
'Archive' => 'archive',
'Highlights' => 'highlight',
'Uploads' => 'upload'
),
'defaultValue' => 'archive'
)
));
/*
* Official instructions for obtaining your own client ID can be found here:
* https://dev.twitch.tv/docs/v5/#getting-a-client-id
*/
const CLIENT_ID = 'kimne78kx3ncx6brgo4mv6wki5h1ko';
public function collectData(){
// get channel user
$query_data = array(
'login' => $this->getInput('channel')
);
$users = $this->apiGet('users', $query_data)->users;
if(count($users) === 0)
returnClientError('User "'
. $this->getInput('channel')
. '" could not be found');
$user = $users[0];
// get video list
$query_endpoint = 'channels/' . $user->_id . '/videos';
$query_data = array(
'broadcast_type' => $this->getInput('type'),
'limit' => 10
);
$videos = $this->apiGet($query_endpoint, $query_data)->videos;
foreach($videos as $video) {
$item = array(
'uri' => $video->url,
'title' => $video->title,
'timestamp' => $video->published_at,
'author' => $video->channel->display_name,
);
// Add categories for tags and played game
$item['categories'] = array_filter(explode(' ', $video->tag_list));
if(!empty($video->game))
$item['categories'][] = $video->game;
// Add enclosures for thumbnails from a few points in the video
$item['enclosures'] = array();
foreach($video->thumbnails->large as $thumbnail)
$item['enclosures'][] = $thumbnail->url;
/*
* Content format example:
*
* [Preview Image]
*
* Some optional video description.
*
* Duration: 1:23:45
* Views: 123
*
* Played games:
* * 00:00:00 Game 1
* * 00:12:34 Game 2
*
*/
$item['content'] = '<p><a href="'
. $video->url
. '"><img src="'
. $video->preview->large
. '" /></a></p><p>'
. $video->description_html
. '</p><p><b>Duration:</b> '
. $this->formatTimestampTime($video->length)
. '<br/><b>Views:</b> '
. $video->views
. '</p>';
// Add played games list to content
$video_id = trim($video->_id, 'v'); // _id gives 'v1234' but API wants '1234'
$markers = $this->apiGet('videos/' . $video_id . '/markers')->markers;
$item['content'] .= '<p><b>Played games:</b></b><ul><li><a href="'
. $video->url
. '">00:00:00</a> - '
. $video->game
. '</li>';
if(isset($markers->game_changes)) {
usort($markers->game_changes, function($a, $b) {
return $a->time - $b->time;
});
foreach($markers->game_changes as $game_change) {
$item['categories'][] = $game_change->label;
$item['content'] .= '<li><a href="'
. $video->url
. '?t='
. $this->formatQueryTime($game_change->time)
. '">'
. $this->formatTimestampTime($game_change->time)
. '</a> - '
. $game_change->label
. '</li>';
}
}
$item['content'] .= '</ul></p>';
$this->items[] = $item;
}
}
// e.g. 01:53:27
private function formatTimestampTime($seconds) {
return sprintf('%02d:%02d:%02d',
floor($seconds / 3600),
($seconds / 60) % 60,
$seconds % 60);
}
// e.g. 01h53m27s
private function formatQueryTime($seconds) {
return sprintf('%02dh%02dm%02ds',
floor($seconds / 3600),
($seconds / 60) % 60,
$seconds % 60);
}
/*
* Ideally the new 'helix' API should be used as v5/'kraken' is deprecated.
* The new API however still misses many features (markers, played game..) of
* the old one, so let's use the old one for as long as it's available.
*/
private function apiGet($endpoint, $query_data = array()) {
$query_data['api_version'] = 5;
$url = 'https://api.twitch.tv/kraken/'
. $endpoint
. '?'
. http_build_query($query_data);
$header = array(
'Client-ID: ' . self::CLIENT_ID
);
$data = json_decode(getContents($url, $header))
or returnServerError('API request to "' . $url . '" failed.');
return $data;
}
public function getName(){
if(!is_null($this->getInput('channel'))) {
return $this->getInput('channel') . ' twitch videos';
}
return parent::getName();
}
public function getURI(){
if(!is_null($this->getInput('channel'))) {
return self::URI . $this->getInput('channel');
}
return parent::getURI();
}
public function detectParameters($url){
$params = array();
// Matches e.g. https://www.twitch.tv/someuser/videos?filter=archives
$regex = '/^(https?:\/\/)?
(www\.)?
twitch\.tv\/
([^\/&?\n]+)
\/videos\?.*filter=
(all|archive|highlight|upload)/x';
if(preg_match($regex, $url, $matches) > 0) {
$params['channel'] = urldecode($matches[3]);
$params['type'] = $matches[4];
return $params;
}
return null;
}
}