init Abgabe
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WummerMIB
@@ -0,0 +1,106 @@
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<?php
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class BenutzerModel extends Model {
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protected $vorname;
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protected $nachname;
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protected $password;
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protected $passwordWid;
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protected $email;
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protected $errorArray = [];
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// --- Getter / Setter ---
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public function getVorname() { return $this->vorname; }
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public function setVorname($vorname) { $this->vorname = trim($vorname); }
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public function getNachname() { return $this->nachname; }
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public function setNachname($nachname) { $this->nachname = trim($nachname); }
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public function getPassword() { return $this->password; }
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public function setPassword($password) { $this->password = trim($password); }
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public function getPasswordWid() { return $this->passwordWid; }
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public function setPasswordWid($passwordWid) { $this->passwordWid = trim($passwordWid); }
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public function getEmail() { return $this->email; }
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public function setEmail($email) { $this->email = trim($email); }
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public function getErrors() { return $this->errorArray; }
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// --- Registrierung ---
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public function insert() {
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$this->validate();
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if (!empty($this->errorArray)) return false;
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$db = Database::getInstance()->getConnection();
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// Passwort hashen (kein extra Salt nötig)
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$hashedPassword = password_hash($this->password, PASSWORD_DEFAULT);
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$stmt = $db->prepare("INSERT INTO user (vorname, nachname, email, passwort) VALUES (?, ?, ?, ?)");
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if (!$stmt) {
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$this->errorArray['db'] = "Fehler beim Vorbereiten der DB-Anfrage: " . $db->error;
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return false;
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}
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$stmt->bind_param(
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"ssss",
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$this->vorname,
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$this->nachname,
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$this->email,
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$hashedPassword
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);
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if (!$stmt->execute()) {
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$this->errorArray['db'] = "Fehler beim Einfügen in die DB: " . $stmt->error;
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return false;
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}
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return true;
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}
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// --- Validierung ---
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protected function validate() {
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$errors = [];
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if (empty($this->vorname) || strlen($this->vorname) < 2) {
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$errors['vorname'] = "Bitte gib einen gültigen Vornamen ein (mind. 2 Zeichen).";
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}
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if (empty($this->nachname) || strlen($this->nachname) < 2) {
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$errors['nachname'] = "Bitte gib einen gültigen Nachnamen ein (mind. 2 Zeichen).";
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}
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if (empty($this->email) || !filter_var($this->email, FILTER_VALIDATE_EMAIL)) {
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$errors['email'] = "Bitte gib eine gültige E-Mail-Adresse ein.";
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}
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if (empty($this->password) || strlen($this->password) < 6) {
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$errors['password'] = "Das Passwort muss mindestens 6 Zeichen haben.";
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}
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if ($this->password !== $this->passwordWid) {
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$errors['passwordWid'] = "Die Passwörter stimmen nicht überein.";
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}
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$this->errorArray = $errors;
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return empty($errors);
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}
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// --- Nutzer laden ---
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public function getUserById($id) {
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$db = Database::getInstance()->getConnection();
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$stmt = $db->prepare("SELECT id, vorname, nachname, email FROM user WHERE id = ?");
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$stmt->bind_param("i", $id);
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$stmt->execute();
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return $stmt->get_result()->fetch_assoc();
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}
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public function getAllUsers() {
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$db = Database::getInstance()->getConnection();
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$stmt = $db->prepare("SELECT id, vorname, nachname FROM user");
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$stmt->execute();
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return $stmt->get_result()->fetch_all(MYSQLI_ASSOC);
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}
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}
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@@ -0,0 +1,50 @@
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<?php
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class ChatModel {
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public $senderID;
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public $empfaengerID;
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public $nachricht;
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// Nachricht in DB speichern
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public function insert() {
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$db = Database::getInstance()->getConnection();
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$stmt = $db->prepare("
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INSERT INTO chat (user_sender, user_empfaenger, nachricht)
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VALUES (?, ?, ?)
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");
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if (!$stmt) {
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throw new Exception("Fehler beim Vorbereiten der DB-Anfrage: " . $db->error);
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}
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$stmt->bind_param("iis", $this->senderID, $this->empfaengerID, $this->nachricht);
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if (!$stmt->execute()) {
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throw new Exception("Fehler beim Einfügen in die DB: " . $stmt->error);
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}
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return true;
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}
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// Nachrichten zwischen zwei Usern abrufen
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public function getMessagesBetweenUsers($user1, $user2) {
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$db = Database::getInstance()->getConnection();
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$stmt = $db->prepare("
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SELECT * FROM chat
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WHERE (user_sender = ? AND user_empfaenger = ?)
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OR (user_sender = ? AND user_empfaenger = ?)
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ORDER BY id ASC
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");
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if (!$stmt) {
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throw new Exception("Fehler beim Vorbereiten der DB-Abfrage: " . $db->error);
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}
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$stmt->bind_param("iiii", $user1, $user2, $user2, $user1);
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$stmt->execute();
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$result = $stmt->get_result();
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return $result->fetch_all(MYSQLI_ASSOC);
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}
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}
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@@ -0,0 +1,72 @@
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<?php
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class LoginModel extends Model {
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protected $email;
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protected $passwort;
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protected $errorArray = [];
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// Getter und Setter für $email
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public function getEmail() {
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return $this->email;
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}
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public function setEmail($email) {
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$this->email = trim($email); // trim entfernt Leerzeichen vorne und hinten
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}
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// Getter und Setter für $passwort
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public function getPasswort() {
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return $this->passwort;
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}
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public function setPasswort($passwort) {
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$this->passwort = trim($passwort); // trim entfernt Leerzeichen vorne und hinten
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}
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public function getErrors() {
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return $this->errorArray;
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}
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public function login() {
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if (!$this->validate()) return false;
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$db = Database::getInstance()->getConnection();
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$stmt = $db->prepare("SELECT id, passwort, vorname, nachname FROM user WHERE email = ?");
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$stmt->bind_param("s", $this->email);
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$stmt->execute();
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$stmt->store_result();
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if ($stmt->num_rows !== 1) {
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$this->errorArray['login'] = "E-Mail oder Passwort falsch.";
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return false;
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}
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$stmt->bind_result($id, $dbHash, $vorname, $nachname);
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$stmt->fetch();
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if (!password_verify(trim($this->passwort), $dbHash)) {
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$this->errorArray['login'] = "E-Mail oder Passwort falsch.";
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return false;
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}
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$_SESSION['user_id'] = $id; // nur die User-ID
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$_SESSION['vorname'] = $vorname; // optional für Anzeige
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$_SESSION['nachname'] = $nachname; // optional für Anzeige
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return true;
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}
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// --- Validierung ---
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protected function validate() {
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$errors = [];
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if (empty($this->email)) $errors['email'] = "Bitte E-Mail eingeben.";
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if (empty($this->passwort)) $errors['passwort'] = "Bitte Passwort eingeben.";
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$this->errorArray = $errors;
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return empty($errors);
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}
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}
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