From 7514e7f60ab3a48a211978aa4603951d2c642052 Mon Sep 17 00:00:00 2001
From: CYBER-MARCUSSEN <83762741+CYBER-MARCUSSEN@users.noreply.github.com>
Date: Thu, 25 Nov 2021 17:26:55 +0100
Subject: [PATCH] finished exercicies

---
 solution/solution.php | 198 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 198 insertions(+)
 create mode 100644 solution/solution.php

diff --git a/solution/solution.php b/solution/solution.php
new file mode 100644
index 0000000..b908535
--- /dev/null
+++ b/solution/solution.php
@@ -0,0 +1,198 @@
+<?php
+
+interface iUser
+{
+    // Interfaces cannot have properties
+
+    // All interface methods must be public
+    public function login($username, $password);
+    public function logout();
+}
+
+class User implements iUser
+{
+    protected string $username;
+    protected int $age;
+    protected string $gender;
+    protected string $email;
+    private string $password;
+    private bool $isConnected = false;
+
+    // PHP will call __destruct at the end of the script, when the object is destructed or the script is stopped or exited.
+    function __destruct()
+    {
+        $this->logout();
+    }
+
+    public function getUsername(): string
+    {
+        return $this->username;
+    }
+
+    public function setUsername(string $username): void
+    {
+        $this->username = $username;
+    }
+
+    public function getAge(): int
+    {
+        return $this->age;
+    }
+
+    public function setAge(int $age): void
+    {
+        $this->age = $age;
+    }
+
+    public function getGender(): string
+    {
+        return $this->gender;
+    }
+
+    public function setGender(string $gender): void
+    {
+        $this->gender = $gender;
+    }
+
+    public function getEmail(): string
+    {
+        return $this->email;
+    }
+
+    public function setEmail(string $email): void
+    {
+        $this->email = $email;
+    }
+
+    public function login($username, $password)
+    {
+        if (isset($username) && isset($password)) {
+            $this->isConnected = true;
+        }
+    }
+
+    public function logout()
+    {
+        $this->isConnected = false;
+    }
+}
+
+abstract class AdminUser extends User
+{
+    protected bool $hasPower;
+
+    public function deleteCustomerUser(): void
+    {
+        // return;
+    }
+}
+
+class EmployeeUser extends AdminUser
+{
+    public function __construct($username, $age, $gender, $email, $password, $hasPower)
+    {
+        $this->username = $username;
+        $this->age = $age;
+        $this->gender = $gender;
+        $this->email = $email;
+        $this->password = $password;
+        $this->hasPower = $hasPower;
+    }
+
+    public function showSpecs(): string
+    {
+        return $this->username . " has " . $this->age . " years old and is a " . $this->gender;
+    }
+}
+
+abstract class CustomerUser extends User
+{
+    protected bool $isVerified;
+    protected bool $isPremium;
+
+    public function __construct($username, $age, $gender, $email, $password, $isPremium, $isVerified)
+    {
+        $this->username = $username;
+        $this->age = $age;
+        $this->gender = $gender;
+        $this->email = $email;
+        $this->password = $password;
+        $this->isPremium = $isPremium;
+        $this->isVerified = $isVerified;
+    }
+
+    public function getMatchUsers(int $numberOfMatches): array
+    {
+        return [];
+    }
+
+    public function setMatchUser(string $username): void
+    {
+        // 
+    }
+}
+
+class RegularUser extends CustomerUser
+{
+    const LIMIT_MATCHES = 20;
+    private $numberOfMatches = 0;
+
+    public function __construct($username, $age, $gender, $email, $password, $isPremium, $isVerified)
+    {
+        // we use same constructor as father class with parent keyword and double colon
+        parent::__construct($username, $age, $gender, $email, $password, $isPremium, $isVerified);
+    }
+
+    public function getMatchUsers(int $numberOfMatches): array
+    {
+        if ($numberOfMatches < self::LIMIT_MATCHES) {
+            return [];
+        };
+
+        return [];
+    }
+
+    public function showSpecs(): string
+    {
+        return $this->username . " has " . $this->age . " years old and is a " . $this->gender;
+    }
+
+    public function matchUser($numberOfMatches): void
+    {
+        $this->numberOfMatches = $numberOfMatches + 1;
+    }
+}
+
+class PremiumUser extends CustomerUser
+{
+    private string $expiringDate;
+
+    public function __construct($username, $age, $gender, $email, $password, $isPremium, $isVerified, $expiringDate)
+    {
+        // we use same constructor as father class with parent keyword and double colon
+        parent::__construct($username, $age, $gender, $email, $password, $isPremium, $isVerified);
+        // and add new arguments necessary for the new son class
+        $this->expiringDate = $expiringDate;
+    }
+
+    public function showSpecs(): string
+    {
+        return $this->username . " has " . $this->age . " years old and is a " . $this->gender;
+    }
+
+    public function getWhoHasSeenYou(): array
+    {
+        return [];
+    }
+
+}
+
+$employeeUser = new EmployeeUser("John", 32, "alpha male", "john@mail.org", "1234", true); 
+$regularUser = new RegularUser("Michael", 22, "gamma male", "michael@mail.org", "abcd", true, false);
+$premiumUser = new PremiumUser("Barbara", 33, "femme fatale", "barbara@mail.org", "6666", true, true, "2024-11-12");
+
+echo $employeeUser->showSpecs();
+echo '<br />';
+echo $regularUser->showSpecs();
+echo '<br />';
+echo $premiumUser->showSpecs();