162 lines
6.7 KiB
PHP
162 lines
6.7 KiB
PHP
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<?php
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/**
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* Author: lopiu
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* Date: 03.07.2020
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* Time: 07:24
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*/
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class Bank
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{
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public $user_id;
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public $money = 0;
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public $status = '';
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const BANK_COMISSION = 0.05; //5%
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const SUCCESS = "Успешная операция!";
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const ERROR_NO_MONEY_IN_WALLET = "Ошибка! Нет денег в кошельке!";
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const ERROR_NO_BANK_ACCOUNT = "Ошибка! Счёта не существует!";
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const ERROR_NO_MONEY_IN_BANK_ACCOUNT = "Ошибка! Нет денег на счету!";
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const ERROR_WRONG_AMOUNT = "Ошибка! Сумма должна быть положительной!";
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const LOG_SEND = "Банк: Перевод средств на другой счёт.";
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const LOG_RECEIVE = "Банк: Получение средств.";
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const LOG_DEPOSIT = "Пополнение счёта.";
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const LOG_WITHDRAW = "Снятие денег со счёта.";
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public function __construct($row)
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{
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$bank_row = db::c()->query('SELECT user_id, money FROM bank WHERE user_id = ?i', $row)->fetch_assoc();
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foreach ($this as $key => $value) {
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if (isset($bank_row[$key])) {
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$this->$key = $bank_row[$key];
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}
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}
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// Если ВДРУГ у человека нет счёта в банке - создаём.
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if (empty($this->user_id)) {
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db::c()->query('INSERT INTO bank (user_id) VALUES (?i)', $row);
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$this->user_id = $row;
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}
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}
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/**
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* Комиссия: self::BANK_COMISSION от переводимой суммы, но не менее 1 кр.
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* @param $amount
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* @return int
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*/
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private function bankComission($amount)
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{
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$bankComission = round($amount * self::BANK_COMISSION);
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if ($bankComission < 1) {
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return 1;
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} else {
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return (int)$bankComission;
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}
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}
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/**
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* Пишем банковское событие в лог в БД
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* @param $receiverId - user_id получателя
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* @param $amount
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* @param $operationType
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* @throws \Krugozor\Database\Mysql\Exception
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*/
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private function bankLogs($receiverId, $amount, $operationType)
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{
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$text = '';
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if ($operationType === "sendMoney") {
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$text = self::LOG_SEND . " Комиссия: " . $this->bankComission($amount);
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} elseif ($operationType === "depositMoney") {
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$receiverId = $this->user_id;
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$text = self::LOG_DEPOSIT;
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} elseif ($operationType === "withdrawMoney") {
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$receiverId = $this->user_id;
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$text = self::LOG_WITHDRAW . " Комиссия: " . $this->bankComission($amount);
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}
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db::c()->query('INSERT INTO `bank_logs` (sender_id, receiver_id, amount, type, text)
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VALUES (?i, ?i, ?i, "?s", "?s")', $this->user_id, $receiverId, $amount, $operationType, $text);
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}
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/**
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* Перевод денег между бансковскими счетами игроков с банковской комиссией.
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* @param $receiver - получатель
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* @param $amount - сумма
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* @return string
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* @throws \Krugozor\Database\Mysql\Exception
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*/
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public function sendMoney($receiver, $amount)
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{
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if ($amount > 0) {
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if (db::c()->query('SELECT `user_id` FROM `bank` WHERE `id` = ?i', $receiver)) {
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$amountWithComission = $amount + $this->bankComission($amount);
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if ($amountWithComission <= $this->money) {
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// Снимаем сумму с комиссией у отправителя
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db::c()->query('UPDATE bank SET money = money - ?i WHERE `user_id` = ?i', $amountWithComission, $this->user_id);
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// Отдаём сумму на счёт получателю
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db::c()->query('UPDATE bank SET money = money + ?i WHERE `user_id` = ?i', $amount, $receiver);
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$this->bankLogs($receiver,$amount,"sendMoney");
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$this->status = self::SUCCESS;
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} else {
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$this->status = self::ERROR_NO_MONEY_IN_BANK_ACCOUNT;
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}
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} else {
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$this->status = self::ERROR_NO_BANK_ACCOUNT;
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}
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} else {
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$this->status = self::ERROR_WRONG_AMOUNT;
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}
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return $this->status;
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}
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/**
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* Пополнение банковского счёта игрока
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* @param $amount - сумма
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* @return string
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* @throws \Krugozor\Database\Mysql\Exception
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*/
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public function depositMoney($amount)
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{
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if ($amount > 0) {
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$row = db::c()->query('SELECT money FROM users WHERE id = ?i', $this->user_id)->fetch_assoc();
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if ($amount >= $row['money']) {
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// Забираем деньги из кошелька получателя
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db::c()->query('UPDATE users SET money = money - ?i WHERE `id` = ?i', $amount, $this->user_id);
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// Отдаём сумму на счёт получателю
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db::c()->query('UPDATE bank SET money = money + ?i WHERE `user_id` = ?i', $amount, $this->user_id);
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$this->bankLogs(0, $amount, "depositMoney");
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$this->status = self::SUCCESS;
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} else {
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$this->status = self::ERROR_NO_MONEY_IN_WALLET;
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}
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} else {
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$this->status = self::ERROR_WRONG_AMOUNT;
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}
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return $this->status;
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}
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/**
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* Снятие денег с банковского счёта игрока с банковской комиссией.
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* @param $amount - сумма
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* @return string
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* @throws \Krugozor\Database\Mysql\Exception
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*/
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public function withdrawMoney($amount)
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{
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if ($amount > 0) {
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$amountWithComission = $amount + $this->bankComission($amount);
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if ($amountWithComission <= $this->money) {
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// Снимаем сумму с комиссией у отправителя
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db::c()->query('UPDATE bank SET money = money - ?i WHERE `user_id` = ?i', $amountWithComission, $this->user_id);
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// Отдаём сумму в кошелёк получателя
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db::c()->query('UPDATE users SET money = money + ?i WHERE `id` = ?i', $amount, $this->user_id);
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$this->bankLogs(0, $amount, "withdrawMoney");
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$this->status = self::SUCCESS;
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} else {
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$this->status = self::ERROR_NO_MONEY_IN_BANK_ACCOUNT;
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}
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} else {
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$this->status = self::ERROR_WRONG_AMOUNT;
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}
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return $this->status;
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}
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}
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