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