132 lines
4.3 KiB
PHP
132 lines
4.3 KiB
PHP
<?php
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/**
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* RssBridgeTwitchApi
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* Returns the newest broadcasts or highlights. Be aware that Twitch deletes broadcasts after
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* 14 days: http://blog.twitch.tv/2014/08/important-reminder-past-broadcasts-removed-today/
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*
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* @name Twitch API Bridge
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* @homepage http://www.twitch.tv
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* @description Returns the newest broadcasts or highlights by channel name using the Twitch API (v3)
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* @maintainer logmanoriginal
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* @update 2015-07-14
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* @use1(channel="Channel", broadcasts="true|false")
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* @use2(channel="Channel", limit="Limit", broadcasts="true|false")
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*
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* Description for the API is available on GitHub: https://github.com/justintv/twitch-api
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*/
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define(TWITCH_LIMIT, 10); // The default limit
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define(TWITCH_BROADCASTS, 'false'); // The default flag for broadcasts
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class TwitchApiBridge extends BridgeAbstract{
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// for use in the getName function!
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private $channel;
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public function collectData(array $param){
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/* In accordance with API description:
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* "When specifying a version for a request to the Twitch API, set the Accept HTTP header to the API version you prefer."
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* Now we prefer v3 right now and need to build the context options. */
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$opts = array('https' =>
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array(
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'method' => 'GET',
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'header' => 'Accept: application/vnd.twitchtv.v3+json'
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)
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);
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$context = stream_context_create($opts);
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$channel = '';
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$limit = TWITCH_LIMIT;
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$broadcasts = TWITCH_BROADCASTS;
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$requests = 1;
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if(isset($param['channel'])) {
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$channel = $param['channel'];
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} else {
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$this->returnError('You must specify a valid channel name! Received: &channel=' . $param['channel'], 400);
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}
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$this->channel = $channel;
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if(isset($param['limit'])) {
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try {
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$limit = (int)$param['limit'];
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} catch (Exception $e){
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$this->returnError('The limit you specified is not valid! Received: &limit=' . $param['limit'] . ' Expected: &limit=<num> where <num> is any integer number.', 400);
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}
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} else {
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$limit = TWITCH_LIMIT;
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}
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// The Twitch API allows a limit between 1 .. 100. Therefore any value below must be set to 1, any greater must result in multiple requests.
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if($limit < 1) { $limit = 1; }
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if($limit > 100) {
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$requests = (int)($limit / 100);
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if($limit % 100 != 0) { $requests++; }
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}
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if(isset($param['broadcasts']) && ($param['broadcasts'] == 'true' || $param['broadcasts'] == 'false')) {
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$broadcasts = $param['broadcasts'];
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} else {
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$this->returnError('The value for broadcasts you specified is not valid! Received: &broadcasts=' . $param['broadcasts'] . ' Expected: &broadcasts=false or &broadcasts=true', 400);
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}
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// Build the initial request, see also: https://github.com/justintv/Twitch-API/blob/master/v3_resources/videos.md#get-channelschannelvideos
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$request = '';
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if($requests == 1) {
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$request = 'https://api.twitch.tv/kraken/channels/' . $channel . '/videos?limit=' . $limit . '&broadcasts=' . $broadcasts;
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} else {
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$request = 'https://api.twitch.tv/kraken/channels/' . $channel . '/videos?limit=100&broadcasts=' . $broadcasts;
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}
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/* Finally we're ready to request data from the API. Each response provides information for the next request. */
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for($i = 0; $i < $requests; $i++) {
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$response = file_get_contents($request, false, $context);
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if($response == false) {
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$this->returnError('Request failed! Check if the channel name is valid!', 400);
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}
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$data = json_decode($response);
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foreach($data->videos as $video) {
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$item = new \Item();
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$item->id = $video->_id;
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$item->uri = $video->url;
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$item->thumbnailUri = $video->preview;
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$item->title = htmlspecialchars($video->title);
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$item->timestamp = strtotime($video->recorded_at);
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$item->content = '<a href="' . $item->uri . '"><img src="' . $item->thumbnailUri . '" /></a><br><a href="' . $item->uri . '">' . $item->title . '</a>';
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$this->items[] = $item;
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// Stop once the number of requested items is reached
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if(count($this->items) >= $limit) {
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break;
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}
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}
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// Get next request (if available)
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if(isset($data->_links->next)) {
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$request = $data->_links->next;
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} else {
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break;
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}
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}
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}
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public function getName(){
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return (!empty($this->channel) ? $this->channel . ' - ' : '') . 'Twitch API Bridge';
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}
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public function getURI(){
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return 'https://www.twitch.tv';
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}
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public function getCacheDuration(){
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return 10800; // 3 hours
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}
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}
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?>
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