battles/classes/Battles/ShopItem.php

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<?php
namespace Battles;
use Battles\Database\DBPDO;
use Exceptions\GameException;
class ShopItem extends Item
{
private const NO_ITEMS_IN_STOCK = "Товара нет в наличии!";
private const NO_MONEY = "У вас нет денег!";
private const BUTTON = [
'setmarket' => 'Сдать в магазин',
'unsetmarket' => 'Снять с продажи',
'buymarket' => 'Совершить обмен',
'sellshop' => 'Продать',
'buyshop' => 'Купить',
];
private const BUY_QUERY = <<<SQL
insert into inventory (
owner_id, name, item_type, durability,
need_strength, need_dexterity, need_intuition, need_endurance, need_intelligence, need_wisdom,
add_strength, add_dexterity, add_intuition, add_endurance, add_intelligence, add_wisdom,
add_accuracy, add_evasion, add_criticals, add_min_physical_damage, add_max_physical_damage,
image, weight, price)
select
?, name, item_type, durability,
need_strength, need_dexterity, need_intuition, need_endurance, need_intelligence, need_wisdom,
add_strength, add_dexterity, add_intuition, add_endurance, add_intelligence, add_wisdom,
add_accuracy, add_evasion, add_criticals, add_min_physical_damage, add_max_physical_damage,
image, weight, greatest(
(
(add_strength + add_dexterity + add_intuition + add_endurance + add_intelligence + add_wisdom) *
(5 + floor((add_strength + add_dexterity + add_intuition + add_endurance + add_intelligence + add_wisdom) / 10))
) +
(
(add_accuracy + add_criticals + add_evasion) *
(2 + floor((add_accuracy + add_criticals + add_evasion) / 50))
) +
(
(add_min_physical_damage + add_max_physical_damage) *
(1 + floor((add_min_physical_damage + add_max_physical_damage) / 100))
)
,1)
from items where id = ?
SQL;
// Тип операции в магазине. Для отображения разных блоков в разных случаях.
private $optype;
private ?int $shop_item_quantity;
private ?int $price;
public function __construct($row, $operationType = null)
{
parent::__construct($row);
if ($operationType) {
$this->optype = $operationType;
}
$this->price = $row->price ?? null;
$this->shop_item_quantity = $row->shop_item_quantity ?? null;
$this->item_id = $row->item_id ?? $row->id;
}
public function printInfo()
{
$this->printAllInfo();
if ($this->optype === 'buyshop' && $this->shop_item_quantity > 0 && $this->shop_item_quantity < 20) {
echo "<div style='margin-top: 9px; font-style: italic;'>На складе осталось $this->shop_item_quantity единиц товара!</div>";
}
if ($this->optype === 'sellshop') {
if ($this->getSellPriceMean() < 50) {
$goods = 'этот хлам';
} elseif ($this->getSellPriceMean() < 100) {
$goods = 'этот посредственный товар';
} elseif ($this->getSellPriceMean() < 500) {
$goods = 'этот неплохой предмет';
} elseif ($this->getSellPriceMean() < 1000) {
$goods = 'эту отличную штуку';
} else {
$goods = 'это превосходное изделие';
}
echo "<div style='margin-top: 9px; font-style: italic;'>В среднем за $goods можно выручить <span class='success'>{$this->getSellPriceMean()}</span> кр.</div>";
}
}
public function printImage()
{
if (!$this->image) {
$this->image = 'noitem.png';
}
echo "<img src='/i/sh/$this->image' class='item-wrap-normal' alt=''>";
}
public static function buyItem($id, User $buyer): string
{
$db = new DBPDO();
$check = $db->ofetch("select * from trade_offers where shop_item_id = ?", $id);
if (empty($check->shop_item_quantity) || empty($check->shop_item_id)) {
return self::NO_ITEMS_IN_STOCK;
}
// TODO БАРТЕР!
if (isset($check->barter_item_list_json)) {
echo "Работаем по бартеру!";
}
$db->execute(self::BUY_QUERY, [$buyer->getId(), $check->shop_item_id]);
$item = $db->ofetch("select item_id, name, price from inventory where item_id = ?", $db->lastInsertId());
if (empty($item->item_id) || empty($item->name)) {
return 'Запрос в базу не прошёл.';
} else {
$user = new User($_SESSION['uid']);
// Если не хватает налички, снимаем с банка с комиссией.
if ($user->getMoney() < $item->price) {
try {
$bank = new Bank($buyer->getId());
$bank->withdrawMoney($item->price);
} catch (GameException $e) {
echo 'Банковская ошибка!';
return self::NO_MONEY;
}
} else {
$user->setMoney($user->getMoney() - $item->price);
$user->saveMoney();
}
}
if ($check->shop_item_quantity != -1) {
$db->execute("update trade_offers set shop_item_quantity = shop_item_quantity -1 where shop_item_id = ?", $check->shop_item_id);
}
$deloText = $buyer->getLogin() . " купил товар «" . $item->name . "» id:(" . $item->item_id . ") в магазине за " . $item->price . ".";
GameLogs::addUserLog($buyer->getId(), $deloText);
return "Предмет " . $item->name . " куплен за " . $item->price . ".";
}
public static function sellItem($id, User $seller, $bankTrade = 0): string
{
$db = new DBPDO();
$item = $db->ofetch('select * from inventory where item_id = ?', $id);
$sellingItemName = $item->name;
// Продажа за цену от нуля до половины стоимости.
$sellingPrice = $item->price > 1 ? mt_rand(0, $item->price / 2) : mt_rand(0, 1);
$db->execute('delete from inventory where item_id = ?', $id);
if ($bankTrade) {
$bank = new Bank($seller->getId());
$bank->setMoney($bank->getMoney() + $sellingPrice);
Bank::setBankMoney($bank->getMoney(), $seller->getId(), 'sellShop');
} else {
$db->execute('update users set money = money - ? where id = ?', [$sellingPrice, $_SESSION['uid']]);
}
$deloText = "{$seller->getLogin()} продал товар «{$sellingItemName}» id:($id) в магазине за $sellingPrice кр.";
GameLogs::addUserLog($seller->getId(), $deloText);
if ($sellingPrice == 0) {
$status = "После длительных и изнурительных торгов вы плюнули на всё и просто подарили ваш «{$sellingItemName}» торговцу.";
} else {
$status = "Вы продали «{$sellingItemName}» за $sellingPrice кр.";
}
return $status;
}
/** Подчсчёт средней суммы продажи.
* @return int
*/
private function getSellPriceMean(): ?int
{
if ($this->price > 1) {
$arr = range(0, $this->price / 2);
return array_sum($arr) / count($arr);
} else {
return $this->price == 1 ? 1 : null;
}
}
/**
* Для кнопок управления под картинкой предмета в зависимости от ситуации.
*/
public function printControls()
{
if (in_array($this->optype, ['setmarket', 'unsetmarket', 'buymarket', 'sellshop', 'buyshop',])) {
$str = $this->optype == 'setmarket' ? '<input placeholder=" ' . $this->price . ' " name="cost">' : '';
$button_name = self::BUTTON[$this->optype];
echo <<<FORM
<form method="post">$str
<input type="hidden" name="itemId" value="$this->item_id">
<br><input type="submit" name="$this->optype" value="$button_name">
</form>
FORM;
}
}
/**
* @return int
*/
public function getItemType(): int
{
return $this->item_type;
}
}