/**
* Creates a <var>GameStats</var> object and fetches data from the Steam
* Community for the given user and game
*
* @param string $userId The custom URL or the 64bit Steam ID of the user
* @param string $appId The app ID or friendly name of the game
* @throws SteamCondenserException if the stats cannot be fetched
*/
protected function __construct($userId, $appId)
{
$this->schema = GameStatsSchema::create($appId);
$this->user = SteamId::create($userId, false);
$this->appId = $appId;
$this->steamId64 = $this->user->getSteamId64();
$params = ['appid' => $this->schema->getAppId(), 'steamid' => $this->steamId64];
$data = WebApi::getJSONObject('ISteamUserStats', 'GetUserStatsForGame', 2, $params);
$this->achievements = [];
foreach ($data->playerstats->achievements as $achievement) {
$apiName = $achievement->name;
$unlocked = $achievement->achieved == 1;
$this->achievements[] = $this->schema->getAchievement($apiName)->getInstance($this->user, $unlocked);
}
$this->values = [];
foreach ($data->playerstats->stats as $datum) {
$this->values[] = $this->schema->getDatum($datum->name)->getInstance($this->user, $datum->value);
}
}
