/**
* @param IDepotHaver $issuer
* @param City $city
* @param $good
* @param $amt
* @return array
*/
public function buyGoods(IDepotHaver $issuer, $city, $good, $amt)
{
$depot = new Depot($issuer->getDepot());
$depot->setDb($this->db);
$depot->load();
$tgp = new TradegoodPlatonic($good);
$tgp->setDb($this->db);
$tgp->load();
$city = new City($city);
$city->setDb($this->db);
$city->load();
if (empty($depot) | empty($tgp)) {
return $this->getResult('Event failure', 'Null depot or tradegood');
}
// Calculate costs, taxes, etc.
$purse = $issuer->getCoin();
$cost = $amt * $tgp->tradevalue;
// If we have sufficient coin
if ($purse >= $cost) {
$this->SetCoins($issuer, $purse - $cost);
$city->taxTrade($cost);
$currentStores = $depot->GetValueByString($tgp->named);
$depot->setValueByString($tgp->named, $currentStores + $amt);
return $this->getResult('Success', 'bought ' . $amt . ' ' . $tgp->named . ' for ' . $cost . ' coin');
} else {
return $this->getResult('Illegal move', 'attempted to purchase ' . $amt . ' ' . $tgp->named . ' but had insufficient coin');
}
}
