/**
* Command for current user to purchase a quantity of a specific item
*
* @param quantity int The quantity of the item to purchase
* @param item string The identity of the item to purchase
* @return Array
*/
public function buy()
{
$in_quantity = in('quantity');
$in_item = in('item');
$gold = get_gold($this->sessionData['char_id']);
$current_item_cost = 0;
$no_funny_business = false;
// Pull the item info from the database
$item_costs = $this->itemForSaleCosts();
$item = getItemByID(item_id_from_display_name($in_item));
$quantity = whichever(positive_int($in_quantity), 1);
$item_text = null;
if ($item instanceof Item) {
$item_text = $quantity > 1 ? $item->getPluralName() : $item->getName();
$purchaseOrder = new PurchaseOrder();
// Determine the quantity from input or as a fallback, default of 1.
$purchaseOrder->quantity = $quantity;
$purchaseOrder->item = $item;
$potential_cost = isset($item_costs[$purchaseOrder->item->identity()]['item_cost']) ? $item_costs[$purchaseOrder->item->identity()]['item_cost'] : null;
$current_item_cost = first_value($potential_cost, 0);
$current_item_cost = $current_item_cost * $purchaseOrder->quantity;
if (!$this->sessionData['char_id'] || !$purchaseOrder->item || $purchaseOrder->quantity < 1) {
$no_funny_business = true;
} else {
if ($gold >= $current_item_cost) {
// Has enough gold.
try {
add_item($this->sessionData['char_id'], $purchaseOrder->item->identity(), $purchaseOrder->quantity);
subtract_gold($this->sessionData['char_id'], $current_item_cost);
} catch (\Exception $e) {
$invalid_item = $e->getMessage();
error_log('Invalid Item attempted :' . $invalid_item);
$no_funny_business = true;
}
}
}
} else {
$no_funny_business = true;
}
$parts = array('current_item_cost' => $current_item_cost, 'quantity' => $quantity, 'item_text' => $item_text, 'no_funny_business' => $no_funny_business, 'view_part' => 'buy');
return $this->render($parts);
}
/**
* Get an input display name and turn it into the internal name for use in the actual script.
*/
private function itemIdentityFromDisplayName($item_display_name)
{
return item_info(item_id_from_display_name($item_display_name), 'item_internal_name');
}
function item_identity_from_display_name($item_display_name)
{
return item_info(item_id_from_display_name($item_display_name), 'item_internal_name');
}
