Устьянцев Егор Андреевич

банк.php

@@ -0,0 +1,101 @@
+class Bank {
+  private $name;
+  private $accounts;
+
+  public function __construct($name) {
+    $this->name = $name;
+    $this->accounts = array();
+  }
+
+  public function getName() {
+    return $this->name;
+  }
+
+  public function createAccount($accountNumber, $password) {
+    $this->accounts[$accountNumber] = new Account($accountNumber, $password);
+  }
+
+  public function getAccount($accountNumber, $password) {
+    if (!isset($this->accounts[$accountNumber])) {
+      return null;
+    }
+    $account = $this->accounts[$accountNumber];
+    if ($account->checkPassword($password)) {
+      return $account;
+    }
+    return null;
+  }
+}
+
+class Account {
+  private $accountNumber;
+  private $password;
+  private $balance;
+
+  public function __construct($accountNumber, $password) {
+    $this->accountNumber = $accountNumber;
+    $this->password = $password;
+    $this->balance = 0;
+  }
+
+  public function getAccountNumber() {
+    return $this->accountNumber;
+  }
+
+  public function checkPassword($password) {
+    return $this->password == $password;
+  }
+
+  public function getBalance() {
+    return $this->balance;
+  }
+
+  public function deposit($amount) {
+    $this->balance += $amount;
+  }
+
+  public function withdraw($amount) {
+    if ($amount > $this->balance) {
+      return false;
+    }
+    $this->balance -= $amount;
+    return true;
+  }
+}
+
+class ATM {
+  private $bank;
+
+  public function __construct(Bank $bank) {
+    $this->bank = $bank;
+  }
+
+  public function login($accountNumber, $password) {
+    return $this->bank->getAccount($accountNumber, $password);
+  }
+
+  public function deposit($accountNumber, $password, $amount) {
+    $account = $this->login($accountNumber, $password);
+    if ($account == null) {
+      return false;
+    }
+    $account->deposit($amount);
+    return true;
+  }
+
+  public function withdraw($accountNumber, $password, $amount) {
+    $account = $this->login($accountNumber, $password);
+    if ($account == null) {
+      return false;
+    }
+    return $account->withdraw($amount);
+  }
+
+  public function getBalance($accountNumber, $password) {
+    $account = $this->login($accountNumber, $password);
+    if ($account == null) {
+      return false;
+    }
+    return $account->getBalance();
+  }
+}