Merge branch 'Registrierung' into dev
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@@ -0,0 +1,64 @@
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<?php
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require_once "UserDAOInterface.php";
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class LocalUserDAO implements UserDAOInterface {
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private string $file = "data/users.json";
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private function loadUsers() {
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if (!file_exists($this->file)) {
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return [];
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}
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$json = file_get_contents($this->file);
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$users = json_decode($json, true);
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return is_array($users) ? $users : [];
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}
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private function saveUsers($users) {
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file_put_contents(
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$this->file,
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json_encode($users, JSON_PRETTY_PRINT)
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);
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}
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public function findUser($email) {
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$users = $this->loadUsers();
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foreach ($users as $user) {
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if ($user["email"] === $email) {
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return $user;
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}
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}
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return null;
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}
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public function addUser($email, $username, $password) {
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$users = $this->loadUsers();
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$users[] = [
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"email" => $email,
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"username" => $username,
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"password" => $password
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];
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$this->saveUsers($users);
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}
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public function deleteUser($email) {
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$users = $this->loadUsers();
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foreach ($users as $i => $user) {
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if ($user["email"] === $email) {
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unset($users[$i]);
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$users = array_values($users);
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$this->saveUsers($users);
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return true;
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}
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}
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return false;
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}
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}
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@@ -0,0 +1,36 @@
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<?php
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/**
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* Interface für den Zugriff auf Benutzerdaten.
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*
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* Definiert die Methoden, die jede UserDAO-Implementierung
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* bereitstellen muss.
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*/
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interface UserDAOInterface {
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/**
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* Sucht einen Benutzer anhand seiner E-Mail-Adresse.
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*
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* @param string $email E-Mail-Adresse des gesuchten Benutzers
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* @return array|null Benutzerdaten als Array oder null
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*/
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public function findUser($email);
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/**
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* Fügt einen neuen Benutzer hinzu.
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*
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* @param string $email E-Mail-Adresse des Benutzers
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* @param string $username Benutzername des Benutzers
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* @param string $password Passwort des Benutzers
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* @return void
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*/
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public function addUser($email, $username, $password);
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/**
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* Löscht einen Benutzer anhand seiner E-Mail-Adresse.
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*
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* @param string $email E-Mail-Adresse des zu löschenden Benutzers
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* @return bool true, wenn der Benutzer gelöscht wurde, sonst false
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*/
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public function deleteUser($email);
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}
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