Бартер: начало.
This commit is contained in:
Igor Barkov (iwork)
parent
198092b44a
commit
2760e17c6b
@ -1,6 +1,8 @@
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<?php
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namespace Battles;
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use Battles\Database\DBPDO;
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class Item
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{
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protected int $item_id;
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@ -108,7 +110,7 @@ class Item
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/** Рассчёт стоимости предмета в зависимости от его характеристик.
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* @return int
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*/
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private function calculateItemCost(): int
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protected function calculateItemCost(): int
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{
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$sum_stats =
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$this->add_strength +
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@ -188,4 +190,9 @@ class Item
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}
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return $str;
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}
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public static function getItemById($item_id): Item
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{
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return new Item(DBPDO::$db->ofetch('select * from items where id = ?', $item_id));
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}
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}
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@ -9,6 +9,7 @@ class ShopItem extends Item
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{
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private const NO_ITEMS_IN_STOCK = "Товара нет в наличии!";
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private const NO_MONEY = "У вас нет денег!";
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private const NO_BARTER_ITEMS = 'У вас нет требуемых предметов!';
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private const BUTTON = [
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'setmarket' => 'Сдать в магазин',
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'unsetmarket' => 'Снять с продажи',
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@ -50,6 +51,8 @@ SQL;
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private ?int $shop_item_quantity;
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private ?int $price;
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public static string $status = '';
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private ?string $jsonBarterList;
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private int $offerId;
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public function __construct($row, $operationType = null)
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{
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@ -60,32 +63,60 @@ SQL;
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$this->price = $row->price ?? null;
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$this->shop_item_quantity = $row->shop_item_quantity ?? null;
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$this->item_id = $row->item_id ?? $row->id;
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$this->jsonBarterList = $row->barter_items_list_json;
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$this->offerId = $row->offer_id; // Ид позиции в магазине.
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}
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public function printInfo(): string
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{
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//$this->printAllInfo();
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$str = $this->getAllInfo();
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if ($this->optype === 'buyshop' && $this->shop_item_quantity > 0 && $this->shop_item_quantity < 20) {
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$str .= "<div style='margin-top: 9px; font-style: italic;'>На складе осталось $this->shop_item_quantity единиц товара!</div>";
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if ($this->optype === 'buyshop') {
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$str .= $this->getLowItemQuantityNote();
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$str .= $this->getBarterList();
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}
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if ($this->optype === 'sellshop') {
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if ($this->getSellPriceMean() < 50) {
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$goods = 'этот хлам';
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} elseif ($this->getSellPriceMean() < 100) {
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$goods = 'этот посредственный товар';
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} elseif ($this->getSellPriceMean() < 500) {
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$goods = 'этот неплохой предмет';
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} elseif ($this->getSellPriceMean() < 1000) {
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$goods = 'эту отличную штуку';
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} else {
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$goods = 'это превосходное изделие';
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}
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$str .= "<div style='margin-top: 9px; font-style: italic;'>В среднем за $goods можно выручить <span class='success'>{$this->getSellPriceMean()}</span> кр.</div>";
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$str .= $this->getTextBasedOnPrice();
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}
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return $str;
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}
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private function getBarterList(): string
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{
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if (!$this->jsonBarterList) {
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return '';
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}
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$str = '<div><br>Помимо денег требуются следующие товары:';
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foreach (json_decode($this->jsonBarterList) as $item) {
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$str .= '<br>↣ ' . Item::getItemById($item->item_id)->name . ', ' . $item->quantity . ' шт.';
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}
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$str .= '</div>';
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return $str;
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}
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private function getLowItemQuantityNote(): string
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{
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if ($this->shop_item_quantity < 1 || $this->shop_item_quantity > 19) {
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return '';
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}
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return "<div style='margin-top: 9px; font-style: italic;'>На складе осталось $this->shop_item_quantity единиц товара!</div>";
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}
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private function getTextBasedOnPrice(): string
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{
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if ($this->getSellPriceMean() < 50) {
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$goods = 'этот хлам';
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} elseif ($this->getSellPriceMean() < 100) {
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$goods = 'этот посредственный товар';
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} elseif ($this->getSellPriceMean() < 500) {
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$goods = 'этот неплохой предмет';
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} elseif ($this->getSellPriceMean() < 1000) {
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$goods = 'эту отличную штуку';
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} else {
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$goods = 'это превосходное изделие';
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}
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return "<div style='margin-top: 9px; font-style: italic;'>В среднем за $goods можно выручить <span class='success'>{$this->getSellPriceMean()}</span> кр.</div>";
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}
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public function printImage(): string
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{
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if (!$this->image) {
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@ -94,47 +125,77 @@ SQL;
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return "<img src='/i/sh/$this->image' class='item-wrap-normal' alt=''>";
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}
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//todo наличка после покупки отображается с задержкой.
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public static function buyItem($id, User $buyer)
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{
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$db = new DBPDO();
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$check = $db->ofetch("select * from trade_offers where shop_item_id = ?", $id);
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if (empty($check->shop_item_quantity) || empty($check->shop_item_id)) {
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self::$status = self::NO_ITEMS_IN_STOCK;
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$check = DBPDO::$db->ofetch("select * from trade_offers where shop_item_id = ?", $id);
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$item = new Item(DBPDO::$db->fetch('select * from items where id = ?', $id));
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$price = $item->calculateItemCost();
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if (
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!self::checkAndRemoveBarteredItems($check->barter_item_list_json, $buyer->getId()) ||
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!self::checkAndPayTheBills($price, $buyer) ||
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!self::checkAndChangeRemainingItems($check->shop_item_quantity, $check->shop_item_id)
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) {
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return;
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}
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// TODO БАРТЕР!
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if (isset($check->barter_item_list_json)) {
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self::$status = "Работаем по бартеру!";
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}
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DBPDO::$db->execute(self::BUY_QUERY, [$buyer->getId(), $check->shop_item_id]);
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$deloText = $buyer->getLogin() . " купил товар «" . Item::getItemById($item->item_id)->name . "» id:(" . $item->item_id . ") в магазине за " . $price . ".";
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GameLogs::addUserLog($buyer->getId(), $deloText);
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self::$status = "Предмет " . $item->name . " куплен за " . $price . ".";
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}
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$db->execute(self::BUY_QUERY, [$buyer->getId(), $check->shop_item_id]);
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$item = $db->ofetch("select item_id, name, price from inventory where item_id = ?", $db->lastInsertId());
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if (empty($item->item_id) || empty($item->name)) {
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self::$status = 'Запрос в базу не прошёл.';
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} else {
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$user = new User($_SESSION['uid']);
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// Если не хватает налички, снимаем с банка с комиссией.
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if ($user->getMoney() < $item->price) {
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try {
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$bank = new Bank($buyer->getId());
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$bank->withdrawMoney($item->price);
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} catch (GameException $e) {
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self::$status = 'Банковская ошибка! ' . self::NO_MONEY;
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}
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} else {
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$user->setMoney($user->getMoney() - $item->price);
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$user->saveMoney();
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private static function checkAndRemoveBarteredItems(string $json_list, int $user_id): bool
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{
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if (empty($json_list)) {
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return true;
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}
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$allowItemRemove = true;
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foreach (json_decode($json_list) as $item) {
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$row = DBPDO::$db->ofetch('select sum(1) as s from inventory where name = ? and owner_id = ?', [Item::getItemById($item->item_id)->name, $user_id]);
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if ($row->s < $item->quantity) {
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$allowItemRemove = false;
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}
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}
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if ($check->shop_item_quantity != -1) {
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$db->execute("update trade_offers set shop_item_quantity = shop_item_quantity -1 where shop_item_id = ?", $check->shop_item_id);
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if (!$allowItemRemove) {
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self::$status = self::NO_BARTER_ITEMS;
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return false;
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}
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foreach (json_decode($json_list) as $item) {
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DBPDO::$db->execute('delete from inventory where name = ? and owner_id = ? limit ?', [Item::getItemById($item->item_id)->name, $user_id, $item->quantity]);
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}
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return true;
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$deloText = $buyer->getLogin() . " купил товар «" . $item->name . "» id:(" . $item->item_id . ") в магазине за " . $item->price . ".";
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GameLogs::addUserLog($buyer->getId(), $deloText);
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self::$status = "Предмет " . $item->name . " куплен за " . $item->price . ".";
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}
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private static function checkAndPayTheBills(int $price, User $user): bool
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{
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if ($user->getMoney() > $price) {
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$user->setMoney($user->getMoney() - $price);
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$user->saveMoney();
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return true;
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}
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try {
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$bank = new Bank($user->getId());
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$bank->withdrawMoney($price);
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return true;
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} catch (GameException $e) {
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self::$status = 'Банковская ошибка! ' . self::NO_MONEY;
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return false;
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}
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}
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private static function checkAndChangeRemainingItems(int $current_quantity, $item_id): bool
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{
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if (empty($current_quantity)) {
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self::$status = self::NO_ITEMS_IN_STOCK;
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return false;
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}
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if ($current_quantity === -1) {
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return true;
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}
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DBPDO::$db->execute("update trade_offers set shop_item_quantity = shop_item_quantity -1 where shop_item_quantity != -1 and shop_item_id = ? ", $item_id);
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return true;
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}
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public static function sellItem($id, User $seller, $bankTrade = 0)
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@ -186,7 +247,7 @@ SQL;
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$button_name = self::BUTTON[$this->optype];
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return <<<FORM
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<form method="post">$str
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<input type="hidden" name="itemId" value="$this->item_id">
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<input type="hidden" name="itemId" value="$this->offerId">
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<br><input type="submit" name="$this->optype" value="$button_name">
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</form>
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FORM;
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