288 lines
12 KiB
PHP
288 lines
12 KiB
PHP
<?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 NO_BARTER_ITEMS = 'У вас нет требуемых предметов!';
|
||
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 static string $status = '';
|
||
private ?string $jsonBarterList;
|
||
private int $offerId;
|
||
|
||
public function __construct($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 ?? $row->id;
|
||
if ($operationType === 'buyshop') {
|
||
$this->offerId = $row->offer_id; // Ид позиции в магазине.
|
||
$this->jsonBarterList = $row->barter_items_list_json;
|
||
}
|
||
}
|
||
|
||
public function printInfo(): string
|
||
{
|
||
$str = $this->getAllInfo();
|
||
if ($this->optype === 'buyshop') {
|
||
$str .= $this->getLowItemQuantityNote();
|
||
$str .= $this->getBarterList();
|
||
}
|
||
if ($this->optype === 'sellshop') {
|
||
$str .= $this->getTextBasedOnPrice();
|
||
}
|
||
return $str;
|
||
}
|
||
|
||
private function getBarterList(): string
|
||
{
|
||
if (!$this->jsonBarterList) {
|
||
return '';
|
||
}
|
||
$str = '<div><br>Помимо денег требуются следующие товары:';
|
||
foreach (json_decode($this->jsonBarterList) as $item) {
|
||
$str .= '<br>↣ ' . Item::getItemById($item->item_id)->name . ', ' . $item->quantity . ' шт.';
|
||
}
|
||
$str .= '</div>';
|
||
return $str;
|
||
}
|
||
|
||
private function getLowItemQuantityNote(): string
|
||
{
|
||
if ($this->shop_item_quantity < 1 || $this->shop_item_quantity > 19) {
|
||
return '';
|
||
}
|
||
return "<div style='margin-top: 9px; font-style: italic;'>На складе осталось $this->shop_item_quantity единиц товара!</div>";
|
||
}
|
||
|
||
private function getTextBasedOnPrice(): string
|
||
{
|
||
if ($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';
|
||
}
|
||
return "<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(): string
|
||
{
|
||
if (!$this->image) {
|
||
$this->image = 'noitem.png';
|
||
}
|
||
return "<img src='/i/sh/$this->image' class='item-wrap-normal' alt=''>";
|
||
}
|
||
|
||
public static function buyItem($id, User $buyer)
|
||
{
|
||
$check = DBPDO::$db->ofetch("select * from trade_offers where offer_id = ?", $id);
|
||
$item = new Item(DBPDO::$db->fetch('select * from items where id = ?', $check->shop_item_id));
|
||
$price = $item->calculateItemCost();
|
||
|
||
if (
|
||
!self::checkAndRemoveBarteredItems($check->barter_items_list_json, $buyer->getId()) ||
|
||
!self::checkAndPayTheBills($price, $buyer) ||
|
||
!self::checkAndChangeRemainingItems($check->shop_item_quantity, $check->shop_item_id)
|
||
) {
|
||
return;
|
||
}
|
||
|
||
DBPDO::$db->execute(self::BUY_QUERY, [$buyer->getId(), $check->shop_item_id]);
|
||
$deloText = $buyer->getLogin() . " купил товар «" . $item->name . "» id:(" . $check->shop_item_id . ") в магазине за " . $price . ".";
|
||
GameLogs::addUserLog($buyer->getId(), $deloText);
|
||
self::$status = "Предмет " . $item->name . " куплен за " . $price . ".";
|
||
}
|
||
|
||
private static function checkAndRemoveBarteredItems(?string $json_list, int $user_id): bool
|
||
{
|
||
if (empty($json_list)) {
|
||
return true;
|
||
}
|
||
$allowItemRemove = true;
|
||
foreach (json_decode($json_list) as $item) {
|
||
$row = DBPDO::$db->ofetch('select sum(1) as s from inventory where name = ? and owner_id = ?', [Item::getItemById($item->item_id)->name, $user_id]);
|
||
if ($row->s < $item->quantity) {
|
||
$allowItemRemove = false;
|
||
}
|
||
}
|
||
if (!$allowItemRemove) {
|
||
self::$status = self::NO_BARTER_ITEMS;
|
||
return false;
|
||
}
|
||
foreach (json_decode($json_list) as $item) {
|
||
$query = 'delete from inventory where name = ? and owner_id = ? limit ' . (int)$item->quantity;
|
||
// У-у-у, сука! https://phpdelusions.net/pdo#limit
|
||
DBPDO::$db->execute($query, [Item::getItemById($item->item_id)->name, $user_id]);
|
||
}
|
||
return true;
|
||
}
|
||
|
||
private static function checkAndPayTheBills(int $price, User $user): bool
|
||
{
|
||
if ($user->getMoney() > $price) {
|
||
$user->setMoney($user->getMoney() - $price);
|
||
$user->saveMoney();
|
||
return true;
|
||
}
|
||
try {
|
||
$bank = new Bank($user->getId());
|
||
$bank->withdrawMoney($price);
|
||
return true;
|
||
} catch (GameException $e) {
|
||
self::$status = 'Банковская ошибка! ' . self::NO_MONEY;
|
||
return false;
|
||
}
|
||
}
|
||
|
||
private static function checkAndChangeRemainingItems(int $current_quantity, $item_id): bool
|
||
{
|
||
if (empty($current_quantity)) {
|
||
self::$status = self::NO_ITEMS_IN_STOCK;
|
||
return false;
|
||
}
|
||
if ($current_quantity === -1) {
|
||
return true;
|
||
}
|
||
DBPDO::$db->execute("update trade_offers set shop_item_quantity = shop_item_quantity -1 where shop_item_quantity != -1 and shop_item_id = ? ", $item_id);
|
||
return true;
|
||
}
|
||
|
||
public static function sellItem($id, User $seller, $bankTrade = 0)
|
||
{
|
||
$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) {
|
||
self::$status = "После длительных и изнурительных торгов вы плюнули на всё и просто подарили ваш «{$sellingItemName}» торговцу.";
|
||
} else {
|
||
self::$status = "Вы продали «{$sellingItemName}» за $sellingPrice кр.";
|
||
}
|
||
}
|
||
|
||
/** Подчсчёт средней суммы продажи.
|
||
* @return int
|
||
*/
|
||
private function getSellPriceMean(): ?int
|
||
{
|
||
if ($this->price > 1) {
|
||
$arr = range(0, $this->price / 2);
|
||
return array_sum($arr) / count($arr);
|
||
} else {
|
||
return $this->price == 1 ? 1 : null;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Для кнопок управления под картинкой предмета в зависимости от ситуации.
|
||
*/
|
||
public function printControls(): string
|
||
{
|
||
if (!in_array($this->optype, ['setmarket', 'unsetmarket', 'buymarket', 'sellshop', 'buyshop',])) {
|
||
return '';
|
||
}
|
||
$str = $this->optype == 'setmarket' ? '<input placeholder=" ' . $this->price . ' " name="cost">' : '';
|
||
$hiddenValue = $this->optype === 'buyshop' ? $this->offerId : $this->item_id;
|
||
$button_name = self::BUTTON[$this->optype];
|
||
return <<<FORM
|
||
<form method="post">$str
|
||
<input type="hidden" name="itemId" value="$hiddenValue">
|
||
<br><input type="submit" name="$this->optype" value="$button_name">
|
||
</form>
|
||
FORM;
|
||
}
|
||
|
||
/**
|
||
* @return int
|
||
*/
|
||
public function getItemType(): int
|
||
{
|
||
return $this->item_type;
|
||
}
|
||
|
||
/** Выдача магазинных предметов по запросу.
|
||
* Ввелась чтобы перебить takeshopitem() в functions с идентичным функционалом.
|
||
* @param int $item_id ИД предмета.
|
||
* @param int $to ИД пперсонажа-получателя.
|
||
*/
|
||
public static function giveNewItem(int $item_id, int $to): array
|
||
{
|
||
$check = DBPDO::$db->ofetch('select 1 from items where id = ?', $item_id);
|
||
if (!$check) {
|
||
return [];
|
||
}
|
||
DBPDO::$db->execute(self::BUY_QUERY, [$to, $item_id]);
|
||
$return = DBPDO::$db->ofetch('select image, name from inventory where item_id = ?', DBPDO::$db->lastInsertId());
|
||
return [
|
||
'img' => $return->image,
|
||
'name' => $return->name,
|
||
'id' => $item_id,
|
||
];
|
||
}
|
||
|
||
} |