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DatabaseUserManager #25

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niklas.ortmann merged 12 commits from DatabaseUserManager into dev 2026-06-10 16:15:38 +02:00
Conversation 2 Commits 12 Files Changed 16
+41 -123
1 changed files with 41 additions and 123 deletions
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php/model/DatabaseUserManager.php
+41 -123
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@@ -5,58 +5,43 @@ require_once "UserManagerDAO.php";
class DatabaseUserManager implements UserManagerDAO {
private static $instance = null;
public function __construct()
{
try {
$db = $this->getConnection();
if (!file_exists(__DIR__ . '/../../db/users.db')) {
try {
$user = 'root';
$pw = null;
$dsn = 'sqlite:' . __DIR__ . '/../../db/users.db';
$db = new PDO($dsn, $user, $pw);
file_put_contents(
__DIR__ . '/../../db/test.txt',
'PDO funktioniert'
);
$db->exec("
CREATE TABLE users (
$db->exec("
CREATE TABLE IF NOT EXISTS users (
email TEXT PRIMARY KEY,
vorname TEXT,
nachname TEXT,
password TEXT
vorname TEXT NOT NULL,
nachname TEXT NOT NULL,
password TEXT NOT NULL
);
");
unset($db);
unset($db);
} catch (PDOException $e) {
throw new RuntimeException($e->getMessage());
}
} catch (PDOException $e) {
throw new RuntimeException("Benutzerdatenbank konnte nicht erstellt werden.");
}
}
/**
* Baut die Verbindung zur Datenbank auf.
*/
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niklas.ortmann commented 2026-06-06 09:41:44 +02:00
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private function getConnection()
{
try {
$user = 'root';
$pw = null;
$dsn = 'sqlite:' . __DIR__ . '/../../db/users.db';
return new PDO($dsn, $user, $pw);
$db = new PDO($dsn, null, null);
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
return $db;
} catch (PDOException $e) {
throw new RuntimeException($e->getMessage());
throw new RuntimeException("Verbindung zur Benutzerdatenbank fehlgeschlagen.");
}
}
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niklas.ortmann commented 2026-06-06 09:42:33 +02:00
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/**
* Singleton-Instanz zurückgeben.
*/
public static function getInstance()
{
if (self::$instance == null) {
@@ -66,20 +51,14 @@ class DatabaseUserManager implements UserManagerDAO {
return self::$instance;
}
public function findUser($email)
{
try {
$db = $this->getConnection();
$sql = "SELECT * FROM users WHERE email = :email";
$command = $db->prepare($sql);
if (!$command) {
throw new RuntimeException("Benutzer konnte nicht geladen werden.");
}
$command->execute([
":email" => $email
]);
@@ -89,7 +68,7 @@ class DatabaseUserManager implements UserManagerDAO {
return $user ?: null;
} catch (PDOException $e) {
throw new RuntimeException($e->getMessage());
throw new RuntimeException("Benutzer konnte nicht geladen werden.");
}
}
@@ -97,90 +76,46 @@ class DatabaseUserManager implements UserManagerDAO {
{
try {
$db = $this->getConnection();
$db->beginTransaction();
$existingUser = $this->findUser($email);
if ($existingUser !== null) {
$db->rollBack();
throw new InvalidArgumentException(
"Diese E-Mail-Adresse wird bereits verwendet."
);
}
$sql = "
INSERT INTO users (
email,
vorname,
nachname,
password
)
VALUES (
:email,
:vorname,
:nachname,
:password
)
INSERT INTO users (email, vorname, nachname, password)
VALUES (:email, :vorname, :nachname, :password)
";
$command = $db->prepare($sql);
if (!$command) {
$db->rollBack();
throw new RuntimeException(
"Benutzer konnte nicht gespeichert werden."
);
}
$success = $command->execute([
$command->execute([
":email" => $email,
":vorname" => $vorname,
":nachname" => $nachname,
":password" => $password
]);
if (!$success) {
$db->rollBack();
throw new RuntimeException(
"Benutzer konnte nicht gespeichert werden."
);
}
$db->commit();
} catch (PDOException $e) {
throw new RuntimeException($e->getMessage());
if (isset($db) && $db->inTransaction()) {
$db->rollBack();
}
if ($e->getCode() === "23000") {
throw new InvalidArgumentException("Diese E-Mail-Adresse wird bereits verwendet.");
}
throw new RuntimeException("Benutzer konnte nicht gespeichert werden.");
}
}
public function updateUser(
$oldEmail,
$newEmail,
$vorname,
$nachname,
$password = null
) {
public function updateUser($oldEmail, $newEmail, $vorname, $nachname, $password = null)
{
try {
$db = $this->getConnection();
if ($oldEmail !== $newEmail) {
$existingUser = $this->findUser($newEmail);
if ($existingUser !== null) {
throw new InvalidArgumentException(
"Diese E-Mail-Adresse wird bereits verwendet."
);
}
}
if (!empty($password)) {
$sql = "
UPDATE users
SET
email = :newEmail,
SET email = :newEmail,
vorname = :vorname,
nachname = :nachname,
password = :password
@@ -191,19 +126,13 @@ class DatabaseUserManager implements UserManagerDAO {
":newEmail" => $newEmail,
":vorname" => $vorname,
":nachname" => $nachname,
":password" => password_hash(
$password,
PASSWORD_DEFAULT
),
":password" => password_hash($password, PASSWORD_DEFAULT),
":oldEmail" => $oldEmail
];
} else {
$sql = "
UPDATE users
SET
email = :newEmail,
SET email = :newEmail,
vorname = :vorname,
nachname = :nachname
WHERE email = :oldEmail
@@ -218,19 +147,16 @@ class DatabaseUserManager implements UserManagerDAO {
}
$command = $db->prepare($sql);
if (!$command) {
throw new RuntimeException(
"Benutzer konnte nicht aktualisiert werden."
);
}
$command->execute($params);
return $command->rowCount() > 0;
} catch (PDOException $e) {
throw new RuntimeException($e->getMessage());
if ($e->getCode() === "23000") {
throw new InvalidArgumentException("Diese E-Mail-Adresse wird bereits verwendet.");
}
throw new RuntimeException("Benutzer konnte nicht aktualisiert werden.");
}
}
@@ -240,15 +166,8 @@ class DatabaseUserManager implements UserManagerDAO {
$db = $this->getConnection();
$sql = "DELETE FROM users WHERE email = :email";
$command = $db->prepare($sql);
if (!$command) {
throw new RuntimeException(
"Benutzer konnte nicht gelöscht werden."
);
}
$command->execute([
":email" => $email
]);
@@ -256,8 +175,7 @@ class DatabaseUserManager implements UserManagerDAO {
return $command->rowCount() > 0;
} catch (PDOException $e) {
throw new RuntimeException($e->getMessage());
throw new RuntimeException("Benutzer konnte nicht gelöscht werden.");
}
}
}