100 lines
2.5 KiB
PHP
100 lines
2.5 KiB
PHP
<?php
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/**
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* Class SteamServer
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*
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* Responsible for querying Steam server data
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*/
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class SteamServer
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{
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const STEAM_ENDPOINT = 'https://api.steampowered.com/IGameServersService/GetServerList/v1/';
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/**
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* Query item data from Steam
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*
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* @param $key
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* @param $addr
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* @return mixed
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* @throws \Exception
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*/
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public static function querySteamData($key, $addr)
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{
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// Generate cache key
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$cacheKey = 'steam_server_' . md5($key . $addr);
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// Check if data is cached
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$cachedData = self::getFromCache($cacheKey);
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if ($cachedData !== false) {
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return json_decode($cachedData);
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}
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$url = self::STEAM_ENDPOINT . "?key={$key}&filter=addr\\{$addr}";
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$handle = curl_init($url);
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curl_setopt($handle, CURLOPT_HEADER, false);
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curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($handle, CURLOPT_FOLLOWLOCATION, true);
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$response = curl_exec($handle);
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if(curl_error($handle) !== '') {
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throw new \Exception('cURL error occurred');
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}
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curl_close($handle);
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$obj = json_decode($response);
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if (isset($obj->response->servers[0])) {
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$serverData = $obj->response->servers[0];
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// Store data in cache
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self::setToCache($cacheKey, json_encode($serverData));
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return $serverData;
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}
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throw new \Exception('Invalid data response');
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}
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/**
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* Get data from Redis cache
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*
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* @param $key
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* @return mixed|bool
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*/
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private static function getFromCache($key)
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{
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$redis = new Redis();
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$redis->connect(env('REDIS_HOST'), env('REDIS_PORT'));
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if (env('REDIS_PASS') !== '') {
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$redis->auth(env('REDIS_PASS'));
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}
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$redis->select(env('REDIS_DATABASE')); // Selecting Redis database index
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$cachedData = $redis->get($key);
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if ($cachedData !== false) {
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return json_decode($cachedData);
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}
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return false;
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}
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/**
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* Set data to Redis cache
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*
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* @param $key
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* @param $value
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*/
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private static function setToCache($key, $value)
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{
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$redis = new Redis();
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$redis->connect(env('REDIS_HOST'), env('REDIS_PORT'));
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if (env('REDIS_PASS') !== '') {
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$redis->auth(env('REDIS_PASS'));
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}
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$redis->select(env('REDIS_DATABASE')); // Selecting Redis database index
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$redis->set($key, json_encode($value), env('REDIS_EXPIRATION'));
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}
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}
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