mon-panier-bio/index.php

<?php

$requestUrl = trim(str_replace($_SERVER['QUERY_STRING'], '', $_SERVER['REQUEST_URI']), '?');

define('CONFIG_FILE', __DIR__ . DIRECTORY_SEPARATOR . 'config.php');
define('DATA_FILE', __DIR__ . DIRECTORY_SEPARATOR . 'data.php');

if (file_exists(CONFIG_FILE)) require_once CONFIG_FILE;
if (!isset($config)) $config = [];

$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : null;

$hasSupplier = isset($_REQUEST['supplier']) and !empty($_REQUEST['supplier']);
$supplier = $_REQUEST['supplier'];

if ($hasSupplier) {
       
	if (!isset($config[$supplier]))
		$config[$supplier] = [];

	$config[$supplier] = array_merge(
		[
			'title' => '%supplier% <small>%event%</small>',
			'description' => '',
			'choices' => [],
			'start' => 'now 00:00:00',
			'frequency' => '1 day',
			'password' => '',

		],
		$config[$supplier]
	);

	$hasPassword = !empty($config[$supplier]['password']);

	if ($action === 'config') {
		if ($hasPassword) {
			if (!isset($_SERVER['PHP_AUTH_USER'])) {
				header(sprintf('WWW-Authenticate: Basic realm="mon-panier-bio config %s"', $supplier));
				header('HTTP/1.0 401 Unauthorized');
				printf('Cette config est protégée par mot de passe !');
				exit;
			} elseif (
				($_SERVER['PHP_AUTH_USER'] !== $supplier)
				or ($_SERVER['PHP_AUTH_PW'] !== $config[$supplier]['password'])
			) {
				header('HTTP/1.0 403 Forbidden');
				printf('Cette config est protégée par mot de passe !');
				exit;
			}
		}

		foreach (array_keys($config[$supplier]) as $key)
			if (isset($_REQUEST[$key]))
				$config[$supplier][$key] = $_REQUEST[$key];
	}

	if (empty($config[$supplier]['start']))
		$config[$supplier]['start'] = 'now 00:00:00';


	if (is_string($config[$supplier]['choices']))
		$config[$supplier]['choices'] = explode(PHP_EOL, $config[$supplier]['choices']);

	if (!is_array($config[$supplier]['choices']))
		$config[$supplier]['choices'] = [];

	$config[$supplier]['choices'] = array_filter(
		$config[$supplier]['choices'],
		function ($choice) {
			return is_string($choice) and !empty(trim($choice));
		}
	);

	$config[$supplier]['choices'] = array_map('trim', $config[$supplier]['choices']);
}

$isConfig = false;
if ($action === 'config') {
	$output = fopen(CONFIG_FILE, 'w+');
	if ($output) {
		if (flock($output, LOCK_EX)) {
			fwrite($output, '<?php' . PHP_EOL);
			fprintf(
				$output,
				'$config = %s;' . PHP_EOL,
				var_export($config, true)
			);
			flock($output, LOCK_UN);
		}
		fclose($output);
	}
	$isConfig = true;
}

$hasEvent = isset($_REQUEST['event']);
if (!$isConfig and $hasSupplier) {
	if (!$hasEvent) {
		$now = new \DateTime('now');
		$current = new \DateTime($config[$supplier]['start']);
		$frequency = \DateInterval::createFromDateString($config[$supplier]['frequency']);
		$maxIterations = 1000;
		while (
			($current->getTimestamp() < $now->getTimestamp())
			and ($maxIterations-- > 0)
		) $current->add($frequency);
		$nextEvent = $current->format('Y-m-d');
		header(sprintf('Location: %s?supplier=%s&event=%s', $requestUrl, $supplier, $nextEvent));
		die();
	}

	$event = $_REQUEST['event'];

	switch ($action) {
	case 'insert' :
	case 'delete' :
		$isBeginning = (!file_exists(DATA_FILE) or in_array(filesize(DATA_FILE), [ false, 0 ]));
		$output = fopen(DATA_FILE, 'a+');
		if (!$output) break;
		if (!flock($output, LOCK_EX)) break;
		if ($isBeginning)
			fwrite($output, '<?php' . PHP_EOL);
		$item = [];
		foreach (['name', 'choice', 'action'] as $field)
			$item[$field] = $_REQUEST[$field];
		$item['timestamp'] = time();
		$item['hash'] = md5(implode([ $item['name'], $item['choice'], ]));
		fprintf(
			$output,
			'$data[%s][%s][] = %s;' . PHP_EOL,
			var_export($supplier, true),
			var_export($event, true),
			str_replace(PHP_EOL, '', var_export($item, true))
		);
		flock($output, LOCK_UN);
		fclose($output);
		header(sprintf('Location: %s?supplier=%s&event=%s', $requestUrl, $supplier, $event));
		die();
	}

	if (!isset($data)) $data = [];
	if (file_exists(DATA_FILE)) include DATA_FILE;

	$items = [];

	$allItems = isset($data[$supplier][$event]) ? $data[$supplier][$event] : [];

	usort($allItems, function ($a, $b) {
		$a = intval($a['timestamp']);
		$b = intval($b['timestamp']);
		if ($a === $b)
			return 0;
		return ($a < $b) ? -1 : 1;
	});

	foreach ($allItems as $item) {
		if ($item['action'] === 'insert') {
			$items[] = $item;
		} elseif ($item['action'] === 'delete') {
			foreach ($items as $index => $prevItem)
				if ($prevItem['hash'] === $item['hash'])
					unset($items[$index]);
		}
	}

	while (preg_match('/%([^%]+)%/i', $config[$supplier]['title'], $match))
		$config[$supplier]['title'] = str_replace(
			$match[0],
			${$match[1]},
			$config[$supplier]['title']
		);
}

?><!DOCTYPE html>
<html lang="fr">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1" />
		<title><?php echo strip_tags($config[$supplier]['title']); ?></title>
	</head>
	<body>
		<?php if (!$hasSupplier) : ?>
			<p>pas de fournisseur</p>
		<?php else : ?>
			<?php if ($isConfig) : ?>
				<a href="<?php printf('%s?supplier=%s', $requestUrl, $supplier); ?>">retour</a>
				<h1>config <?php echo $supplier; ?></h1>
				<form action="<?php printf('%s?supplier=%s', $requestUrl, $supplier); ?>" method="post">
					<p>
						<label for="title">titre</label>
						<input type="text" name="title" value="<?php echo $config[$supplier]['title']; ?>" />
					</p>
					<p>
						<label for="description">description</label>
						<textarea name="description" rows="10"><?php echo $config[$supplier]['description']; ?></textarea>
					</p>
					<p>
						<label for="choices">choix</label>
						<textarea name="choices" rows="10"><?php echo implode(PHP_EOL, $config[$supplier]['choices']); ?></textarea>
					</p>
					<p>
						<label for="start">début</label>
						<input type="date" name="start" value="<?php echo $config[$supplier]['start']; ?>" />
					</p>
					<p>
						<label for="frequency">fréquence</label>
						<input type="text" name="frequency" value="<?php echo $config[$supplier]['frequency']; ?>" />
					</p>
					<p>
						<label for="password">password</label>
						<input type="text" name="password" value="<?php echo $config[$supplier]['password']; ?>" />
					</p>
						<button type="submit" name="action" value="config">config</button>
					</p>
				</form>
			<?php else : ?>
				<a href="<?php printf('%s?supplier=%s&action=config', $requestUrl, $supplier); ?>">config</a>
				<h1><?php echo $config[$supplier]['title']; ?></h1>
				<?php if (!empty($config[$supplier]['description'])) : ?>
				<p><?php echo $config[$supplier]['description']; ?></p>
				<?php endif; ?>
				<ul>
					<li>
						<form>
							<input type="hidden" name="supplier" value="<?php echo $supplier; ?>" />
							<input type="hidden" name="event" value="<?php echo $event; ?>" />
							<input type="text" name="name" required placeholder="nom" />
							<?php if (empty($config[$supplier]['choices'])) : ?>
							<input type="hidden" name="choice" value="<?php echo $item['choice']; ?>" />
							<?php else : ?>
							<select name="choice" required placeholder="choix">
								<option/>
								<?php foreach ($config[$supplier]['choices'] as $choice) : ?>
								<option><?php echo $choice; ?></option>
								<?php endforeach; ?>
							</select>
							<?php endif; ?>
							<button type="submit" name="action" value="insert">ajouter</button>
						</form>
					</li>
					<?php foreach ($items as $item) : ?>
					<li>
						<form>
							<input type="hidden" name="supplier" value="<?php echo $supplier; ?>" />
							<input type="hidden" name="event" value="<?php echo $event; ?>" />
							<input type="hidden" name="name" value="<?php echo $item['name']; ?>" />
							<input type="hidden" name="choice" value="<?php echo $item['choice']; ?>" />
							<?php echo $item['name']; ?>
							<?php if (!empty($item['choice'])) : ?>
							— <?php echo $item['choice']; ?>
							<?php endif; ?>
							<button type="submit" name="action" value="delete">supprimer</button>
						</form>
					</li>
					<?php endforeach; ?>
				</ul>
			<?php endif; ?>
		<?php endif; ?>
	</body>
</html>