function twitch_streams_get($game_name, $api_key)
{
if ($game_name === NULL) {
return NULL;
}
$limit = 50;
// Number of streams we request per query (Max 100) //
$max_loops = 100;
// Maximum number of loops before this code fails. //
$loops = 0;
$offset = 0;
$ret_data = NULL;
do {
$retry = 4;
$json_data = NULL;
do {
$retry--;
// Assuming it's not the first loop, delay for 0.5-1.5 seconds, to play nice //
if ($loops === 0) {
rsleep(1.0, 0.5);
} else {
if ($loops === $max_loops) {
echo "ERROR: Safe Twitch stream request limit exceeded. Are there nearly " . $limit * $loops . " streams? If so, you need to up the limit.\n";
return NULL;
}
}
$loops++;
// API only supports 100 streams per request //
$api_url = "https://api.twitch.tv/kraken/streams/?game=" . $game_name . "&limit=" . $limit . "&offset=" . $offset . "&api_version=3";
$api_response = @file_get_contents($api_url);
// @ surpresses PHP error: http://stackoverflow.com/a/15685966
// If we didn't get a correct response, then don't attempt to json decode. //
if ($api_response === FALSE) {
continue;
}
// Decode the Data //
$json_data = json_decode($api_response, true);
} while ($json_data === NULL && $retry !== 0);
if ($json_data === NULL) {
// If we can't get a complete set of Twitch streams, assume Twitch is down. //
echo "ERROR: Unable to retieve streams via Twitch API (" . $loops . ")\n";
return NULL;
}
// If we currently have no data //
if ($ret_data === NULL) {
/*
{
// Confirm that the response matches our expected API version. Stored in the response header. //
$expected_api_version = 3;
$api_version = intval(http_find_header($http_response_header,'API-Version'));
if ( $api_version !== $expected_api_version ) {
echo "WARNING: Twitch API version mismatch. Expected: " . $expected_api_version . " Got: " . $api_version . "\n";
print_r($http_response_header);
}
}
*/
// Copy all Data //
$ret_data = $json_data;
// Keep a count of the number of requests that were needed to complete this query. //
$ret_data['requests'] = 1;
} else {
// Update the total //
$ret_data['_total'] = $json_data['_total'];
// Append our list of streams to the returns list //
$ret_data['streams'] = array_merge($ret_data['streams'], $json_data['streams']);
// One more request was made //
$ret_data['requests']++;
}
// Always increment our offset
$offset += $limit;
} while ($ret_data['_total'] > count($ret_data['streams']));
return $ret_data;
}
function steam_curator_get($curator_id)
{
// Get the main HTML file for Avatar and Num Followers //
// http://store.steampowered.com/curator/537829/
$main_url = "http://store.steampowered.com/curator/" . $curator_id . "/";
$main_html = file_get_html($main_url);
if ($main_html === FALSE) {
return NULL;
}
$ret = array();
$ret['followers'] = $main_html->find('.num_followers', 0)->plaintext;
$ret['avatar'] = $main_html->find('.curator_avatar', 0)->src;
// Use AJAX to get a 'next page' response, but of the first page w/ 20 elements //
// http://store.steampowered.com/curators/ajaxgetcuratorrecommendations/537829//?query=&start=0&count=20
$game_url = "http://store.steampowered.com/curators/ajaxgetcuratorrecommendations/" . $curator_id . "//?query=&start=0&count=20";
$game_data = NULL;
$retry = 4;
do {
rsleep(0.3);
// Random Sleep, to make me less obvious I am a bot. //
$game_data = @file_get_contents($game_url);
} while ($game_data === FALSE && --$retry);
if ($game_data === FALSE) {
return NULL;
}
$game_json = json_decode($game_data);
$game_html = str_get_html($game_json->results_html);
$ret['games'] = array();
foreach ($game_html->find('.recommendation') as $elm) {
$appid = $elm->attr['data-ds-appid'];
// http://store.steampowered.com/apphoverpublic/201040?l=english&pagev6=true
$more_url = "http://store.steampowered.com/apphoverpublic/" . $appid . "?l=english&pagev6=true";
$more_html = NULL;
$retry = 4;
do {
rsleep(0.2);
// Random Sleep, to make it less obvious I am a bot. //
$more_html = file_get_html($more_url);
} while ($more_html === FALSE && --$retry);
if ($more_html === FALSE) {
return NULL;
}
$rateup = 0;
$comments = 0;
$curator_url = "";
foreach ($elm->find('.recommendation_stats', 0)->find('.recommendation_stat') as $stat) {
if (strpos($stat->find('img', 0)->src, 'rateup') !== FALSE) {
$a =& $stat->find('a', 0);
$curator_url = $a->href;
$rateup = intval(trim($a->plaintext));
} else {
if (strpos($stat->find('img', 0)->src, 'comment') !== FALSE) {
$a =& $stat->find('a', 0);
$curator_url = $a->href;
$comments = intval(trim($a->plaintext));
}
}
}
$discount = "";
$discount_available = $elm->find('.discount_pct', 0);
if ($discount_available) {
$discount = trim($discount_available->plaintext);
}
// Steam can be vague about what it returns for release dates, so have PHP parse it //
$released_text = $more_html->find('.hover_release', 0)->plaintext;
$released = strtotime(trim(substr($released_text, strpos($released_text, ":") + 1)));
if ($released) {
$released = date('Y-m-d', $released);
}
$ret['games'][] = array('appid' => $appid, 'banner' => $elm->find('.recommendation_app_small_cap', 0)->src, 'url' => $elm->find('.recommendation_details', 0)->find('a', 0)->href, 'info' => trim($elm->find('.recommendation_desc', 0)->plaintext), 'read_url' => $elm->find('.recommendation_readmore', 0)->find('a', 0)->href, 'name' => $more_html->find('h4', 0)->plaintext, 'released' => $released, 'desc' => trim($more_html->find('#hover_desc', 0)->plaintext), 'rateup' => $rateup, 'comments' => $comments, 'discount' => $discount, 'curator_url' => $curator_url);
// If I want, I can build URLs like this to go to our personal curation comment pages.
// http://steamcommunity.com/groups/ludum/curation/app/202730/
}
return $ret;
}
