Rippchen/php/db_connection.php

91 lines
3.3 KiB
PHP

<?php
$databaseFile = '../mydatabase.db';
try {
$db = new PDO("sqlite:" . $databaseFile);
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// Check if the User table exists
$result = $db->query("SELECT name FROM sqlite_master WHERE type='table' AND name='User'");
$userTableExists = $result->fetchColumn();
if (!$userTableExists) {
// Initialize the database structure
$db->exec("
CREATE TABLE User (
id INTEGER PRIMARY KEY AUTOINCREMENT,
vorname TEXT NOT NULL,
nachname TEXT NOT NULL,
username TEXT UNIQUE NOT NULL,
password TEXT NOT NULL,
active BOOLEAN DEFAULT 0
)
");
$db->exec("
CREATE TABLE Restaurant (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
maps_link TEXT
)
");
$db->exec("
CREATE TABLE Bewertung (
id INTEGER PRIMARY KEY AUTOINCREMENT,
fk_user_id INTEGER NOT NULL,
fk_restaurant_id INTEGER NOT NULL,
bewertung INTEGER NOT NULL CHECK (bewertung BETWEEN 0 AND 10),
bewertung_str TEXT,
FOREIGN KEY (fk_user_id) REFERENCES User(id),
FOREIGN KEY (fk_restaurant_id) REFERENCES Restaurant(id)
)
");
echo "<p style='color:green;'>Database structure created.</p>";
// Check if any users exist
$checkUserStmt = $db->query("SELECT COUNT(*) FROM User");
$userCount = $checkUserStmt->fetchColumn();
if ($userCount == 0) {
// Create an initial admin account
$adminVorname = 'Admin';
$adminNachname = 'User';
$adminUsername = 'admin';
$adminPassword = 'admin123'; // IMPORTANT: Change this default password!
$hashedPassword = password_hash($adminPassword, PASSWORD_DEFAULT);
$adminActive = 2; // Let's use 2 to denote an admin user
$insertAdminStmt = $db->prepare("
INSERT INTO User (vorname, nachname, username, password, active)
VALUES (:vorname, :nachname, :username, :password, :active)
");
$insertAdminStmt->bindParam(':vorname', $adminVorname);
$insertAdminStmt->bindParam(':nachname', $adminNachname);
$insertAdminStmt->bindParam(':username', $adminUsername);
$insertAdminStmt->bindParam(':password', $hashedPassword);
$insertAdminStmt->bindParam(':active', $adminActive, PDO::PARAM_INT);
if ($insertAdminStmt->execute()) {
echo "<p style='color:green;'>Initial admin account created: Username='admin', Password='admin123' (Please change immediately!).</p>";
} else {
echo "<p style='color:red;'>Error creating initial admin account: " . print_r($insertAdminStmt->errorInfo(), true) . "</p>";
}
}
} else {
// echo "<p style='color:blue;'>Database already exists.</p>";
}
} catch (PDOException $e) {
die("Database connection failed: " . $e->getMessage());
}
function sanitize_input($data) {
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
?>