.
 */
require('../conf.php');
if (isset($_GET['create_tables'])) {
	try {
		$_pdo->query("CREATE TABLE IF NOT EXISTS `".constants::db_prefix."assignment` (
			  `id` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
			  `offerId` smallint(5) unsigned NOT NULL,
			  `title` tinytext NOT NULL,
			  `description` text NOT NULL,
			  `hours` float NOT NULL,
			  `price_per_hour` float NOT NULL,
			  `VAT_percentage` float NOT NULL,
			  PRIMARY KEY (`id`),
			  UNIQUE KEY `offerId - title` (`offerId`,`title`(255)),
			  KEY `offerId` (`offerId`)
			) ENGINE=InnoDB  DEFAULT CHARSET=latin1");
		$_pdo->query("CREATE TABLE IF NOT EXISTS `".constants::db_prefix."client` (
			  `id` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
			  `name` tinytext NOT NULL,
			  PRIMARY KEY (`id`),
			  UNIQUE KEY `name` (`name`(255))
			) ENGINE=InnoDB  DEFAULT CHARSET=latin1");
		$_pdo->query("CREATE TABLE IF NOT EXISTS `".constants::db_prefix."contact` (
			  `id` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
			  `clientId` smallint(5) unsigned NOT NULL,
			  `name` tinytext NOT NULL,
			  `email` varchar(680) NOT NULL,
			  `address` tinytext NOT NULL,
			  `address_2` tinytext,
			  `postal_code` varchar(7) NOT NULL,
			  `city` tinytext NOT NULL,
			  `country` tinytext NOT NULL,
			  `language` varchar(3) NOT NULL DEFAULT 'en',
			  PRIMARY KEY (`id`),
			  UNIQUE KEY `clientId-name` (`clientId`,`name`(255)),
			  KEY `clientId` (`clientId`)
			) ENGINE=InnoDB  DEFAULT CHARSET=latin1");
		$_pdo->query("CREATE TABLE IF NOT EXISTS `".constants::db_prefix."discount` (
			  `id` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
			  `offerId` smallint(5) unsigned NOT NULL,
			  `title` tinytext NOT NULL,
			  `description` text NOT NULL,
			  `value` float unsigned NOT NULL,
				`VAT_percentage` float NOT NULL,
				PRIMARY KEY (`id`)
			) ENGINE=InnoDB DEFAULT CHARSET=latin1;");
		$_pdo->query("CREATE TABLE IF NOT EXISTS `".constants::db_prefix."file` (
			  `id` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
			  `filename` varchar(100) NOT NULL,
			  PRIMARY KEY (`id`),
			  UNIQUE KEY `filename` (`filename`)
			) ENGINE=InnoDB  DEFAULT CHARSET=latin1");
		$_pdo->query("CREATE TABLE IF NOT EXISTS `".constants::db_prefix."offer` (
			  `id` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
			  `contactId` smallint(5) unsigned NOT NULL,
			  `start_date` date NOT NULL,
			  `end_date` date NOT NULL,
			  `invoice_date` date NOT NULL,
			  `accepted` tinyint(1) unsigned NOT NULL DEFAULT '0',
			  `invoice_fileId` smallint(5) unsigned DEFAULT NULL,
			  PRIMARY KEY (`id`),
			  UNIQUE KEY `invoice_fileId` (`invoice_fileId`),
			  KEY `contactId` (`contactId`),
			  KEY `contactId_2` (`contactId`),
			  KEY `invoice_fileId_2` (`invoice_fileId`)
			) ENGINE=InnoDB  DEFAULT CHARSET=latin1");
		$_pdo->query("CREATE TABLE IF NOT EXISTS `payment` (
				`id` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
				`offerId` smallint(5) unsigned NOT NULL,
				`date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
				PRIMARY KEY (`id`)
			) ENGINE=InnoDB DEFAULT CHARSET=latin1;");
		$_pdo->query("CREATE TABLE IF NOT EXISTS `".constants::db_prefix."user` (
			  `id` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
				`username` varchar(24) NOT NULL,
				`password` varchar(255) NOT NULL,
				PRIMARY KEY (`id`)
			) ENGINE=InnoDB DEFAULT CHARSET=latin1;");
		$_pdo->query("ALTER TABLE `".constants::db_prefix."assignment`
			  ADD CONSTRAINT `assignment_ibfk_1` FOREIGN KEY (`offerId`) REFERENCES `".constants::db_prefix."offer` (`id`)");
		$_pdo->query("ALTER TABLE `".constants::db_prefix."contact`
			  ADD CONSTRAINT `contact_ibfk_1` FOREIGN KEY (`clientId`) REFERENCES `".constants::db_prefix."client` (`id`)");
		$_pdo->query("ALTER TABLE `".constants::db_prefix."discount`
			  ADD CONSTRAINT `discount_ibfk_1` FOREIGN KEY (`offerId`) REFERENCES `".constants::db_prefix."offer` (`id`);");
		$_pdo->query("ALTER TABLE `".constants::db_prefix."offer`
			  ADD CONSTRAINT `offer_ibfk_1` FOREIGN KEY (`invoice_fileId`) REFERENCES `".constants::db_prefix."file` (`id`),
			  ADD CONSTRAINT `offer_ibfk_2` FOREIGN KEY (`contactId`) REFERENCES `".constants::db_prefix."contact` (`id`)");
		$_pdo->query("ALTER TABLE `payment`
				ADD CONSTRAINT `payment_ibfk_1` FOREIGN KEY (`offerId`) REFERENCES `offer` (`id`);");
		echo "Succeeded creating the database tables.";
	} catch (PDOException $e) {
		echo "Creating the database tables failed with a PDOException ({$e->getCode()}): {$e->getMessage()}
" . $e->getTraceAsString();
	}
}
if (isset($_GET['create_folders'])) {
	if (!mkdir(constants::files_folder)) {
		echo "Creating folder `" . constants::files_folder . "` failed.
";
	}
	if (!mkdir(constants::files_folder . constants::files_folder_trash)) {
		echo "Creating folder `" . constants::files_folder_trash . "` failed.
";
	}
}
if (isset($_GET['create_user'])) {
	$username = 'admin';
	try {
		$password = user::generateRandomPassword();
		$user = BusinessAdmin::createUser($_pdo, $username, $password);
		if ($user !== false) {
			echo "Created user '$username' ({$user->getId()}) with password '$password'.";
		} else {
			echo "Unknown error while creating the admin user.";
		}
	} catch (PDOException $e) {
		echo "Creating an admin user failed (does one exist already?).";
	}
}
if (isset($_GET['password_cost'])) {
	$target = 1;
	$start = $end = 0;
	for ($cost = 10; $end - $start < $target; $cost++) {
		$start = microtime(true);
		user::hash('test', $cost);
		$end = microtime(true);
	}
	echo "Password cost suggestion: $cost.
You can set this in classes/constants.php.";
}
?>
When you're done, it would be the neatest to remove the /install folder (even though this whole control panel should not be accessible for the public).