First commit

.gitignore

@@ -0,0 +1 @@
+environment.php

database.php

@@ -0,0 +1,127 @@
+<?php
+
+class Database {
+	private static $instance = null;
+	private $connection;
+
+	private function __construct() {
+		$this->initializeConnection();
+		$this->checkAndCreateDatabase();
+		$this->checkAndCreateTables();
+	}
+
+	/**
+	 * Get the singleton instance of the Database
+	 * @return Database
+	 */
+	public static function getInstance() {
+		if (self::$instance === null) {
+			self::$instance = new Database();
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 * Get the active database connection
+	 * @return mysqli
+	 */
+	public function getConnection() {
+		return $this->connection;
+	}
+
+	/**
+	 * Initialize the connection to the database
+	 */
+	private function initializeConnection() {
+		$this->connection = new mysqli(DB_HOST, DB_USER, DB_PASS);
+
+		if ($this->connection->connect_error) {
+			die("Database connection failed: " . $this->connection->connect_error);
+		}
+	}
+
+	/**
+	 * Check and create the database if it doesn't exist
+	 */
+	private function checkAndCreateDatabase() {
+		$query = "CREATE DATABASE IF NOT EXISTS `" . DB_NAME . "`";
+		if (!$this->connection->query($query)) {
+			die("Failed to create or access database: " . $this->connection->error);
+		}
+
+		$this->connection->select_db(DB_NAME);
+	}
+
+	/**
+	 * Check and create required tables if they don't exist
+	 */
+	private function checkAndCreateTables() {
+		// Create tables
+		$usersTableQuery = "CREATE TABLE IF NOT EXISTS users (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			username VARCHAR(50) NOT NULL,
+			email VARCHAR(100) NOT NULL UNIQUE,
+			password VARCHAR(255) NOT NULL,
+			created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+		) ENGINE=InnoDB;";
+
+		if (!$this->connection->query($usersTableQuery)) {
+			die("Failed to create users table: " . $this->connection->error);
+		}
+
+		$journalTableQuery = "CREATE TABLE IF NOT EXISTS journal (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			year INT NOT NULL,
+			user_id INT NOT NULL,
+			created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+			FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+		) ENGINE=InnoDB;";
+
+		if (!$this->connection->query($usersTableQuery)) {
+			die("Failed to create journal table: " . $this->connection->error);
+		}
+
+		$challengesTableQuery = "CREATE TABLE IF NOT EXISTS challenges (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			journal_id INT NOT NULL,
+			booksgoal INT NOT NULL,
+			created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+			FOREIGN KEY (journal_id) REFERENCES journal(id) ON DELETE CASCADE
+		) ENGINE=InnoDB;";
+
+		if (!$this->connection->query($usersTableQuery)) {
+			die("Failed to create challenges table: " . $this->connection->error);
+		}
+
+		$bookrecordsTableQuery = "CREATE TABLE IF NOT EXISTS bookrecords (
+			id INT AUTO_INCREMENT PRIMARY KEY,
+			journal_id INT NOT NULL,
+			author VARCHAR(128) NOT NULL,
+			name VARCHAR(128) NOT NULL,
+			page_count INT NOT NULL,
+			status ENUM('tbr', 'reading', 'read'),
+			favorite BOOLEAN DEFAULT FALSE NOT NULL,
+			finished TIMESTAMP NULL,
+			genre varchar(32) NOT NULL,
+			placement TINYINT NULL CHECK (placement BETWEEN 1 AND 12)
+			created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+			FOREIGN KEY (journal_id) REFERENCES journal(id) ON DELETE CASCADE
+		) ENGINE=InnoDB;";
+
+		if (!$this->connection->query($usersTableQuery)) {
+			die("Failed to create bookrecords table: " . $this->connection->error);
+		}
+	}
+
+	/**
+	 * Prevent cloning of the singleton instance
+	 */
+	private function __clone() {}
+
+	/**
+	 * Prevent unserialization of the singleton instance
+	 */
+	public function __wakeup() {}
+
+}

environment.php.example

@@ -0,0 +1,6 @@
+<?php
+define('DB_HOST', 'localhost');
+define('DB_USER', 'dusovakr'); 
+define('DB_PASS', '');
+define('DB_NAME', 'dusovakr'); 
+

index.php

@@ -0,0 +1,10 @@
+<?php
+
+// error reporting
+ini_set('display_errors', '1');
+
+require_once "environment.php";
+require_once "database.php";
+
+
+