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<?php
namespace FlatFileForms;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Yosymfony\Toml\Toml;
use Yosymfony\Toml\TomlBuilder;
class App
{
/**
* App constructor.
*/
public function __construct()
{
$request = Request::createFromGlobals();
$response = new Response();
$content = [
'data' => [],
];
$contentRoot = dirname(__DIR__) . '/content';
$method = $request->getMethod();
$path = $request->getPathInfo();
try {
$config = $this->buildConfig($contentRoot . $path);
// check api key
$apiKey = $_GET['key'] ?? $_POST['key'] ?? null;
if (empty($apiKey)) {
$response->setStatusCode(Response::HTTP_BAD_REQUEST);
throw new \Exception('API key missing');
}
if (! in_array($apiKey, $config['api']['keys'])) {
$response->setStatusCode(Response::HTTP_UNAUTHORIZED);
throw new \Exception('API key does not match');
}
// GET
if ($method == 'GET') {
if (str_ends_with($path, '/fields')) {
$formPath = $contentRoot . str_replace('/fields', '', $path);
$content['data'] = $this->buildFields($formPath);
}
else {
$content['data'] = Toml::parseFile($contentRoot . $path . '.toml');
}
}
// POST
else if ($method == 'POST') {
if (str_ends_with($path, '/submit')) {
$formPath = $contentRoot . str_replace('/submit', '', $path);
$fields = $this->buildFields($formPath);
$fields = $this->validateFields($fields);
// remove surplus fields from response
$fields = array_map(function ($field) {
return array_intersect_key($field, array_flip([
'is_valid',
]));
}, $fields);
$content['data'] = $fields;
$hasInvalidFields = in_array(false, array_column($fields, 'is_valid'));
if ($hasInvalidFields) {
$content['error'] = 'Invalid fields';
} else {
$date = new \Datetime();
$entry = [
'fields' => $_POST,
'date' => $date->format('c'),
];
$builder = new TomlBuilder();
$builder->addValue('date', $entry['date']);
$builder->addTable('fields');
foreach ($entry['fields'] as $entryKey => $entryValue) {
$builder->addValue($entryKey, $entryValue);
}
$entryDirectory = $formPath . '/entries/' . $date->format('Y/m/d');
@mkdir($entryDirectory, 0774, true);
$entryFilename = $date->format('Ymd_Hi_') . hash('adler32', serialize($entry)) . '.toml';
file_put_contents(
$entryDirectory . '/' . $entryFilename,
$builder->getTomlString()
);
}
}
}
} catch (\Exception $exception) {
$content['error'] = $exception->getMessage();
}
$response->headers->set('Content-Type', 'application/json');
$response->setContent(json_encode($content));
$response->send();
}
/**
* @param string $formPath
*/
public function buildFields($formPath)
{
$fields = Toml::parseFile($formPath . '/fields/_fields.toml')['field'] ?? [];
foreach ($fields as $key => $field) {
if (! empty($field['file'])) {
$field = array_replace_recursive($field, Toml::parseFile($formPath . '/fields/' . $field['file']));
}
if (empty($field['name'])) {
$field['name'] = $key;
}
$fields[$key] = $field;
}
return $fields;
}
/**
* @param array $fields
*/
public function validateFields($fields)
{
foreach ($fields as $key => &$field) {
$field['is_valid'] = true;
if (($field['required'] ?? false) && empty($_POST[$field['name']])) {
$field['is_valid'] = false;
}
}
return $fields;
}
/**
* @param string $formPath
*/
public function buildConfig($formPath)
{
$config = [];
$currentFolder = $formPath;
while (true) {
$configFile = $currentFolder . '/config/config.toml';
if (file_exists($configFile)) {
$parsedConfig = Toml::parseFile($configFile);
$apiKeys = array_merge($parsedConfig['api']['keys'] ?? [], $config['api']['keys'] ?? []);
$config = array_replace_recursive($parsedConfig, $config);
$config['api']['keys'] = $apiKeys;
}
if (str_ends_with($currentFolder, '/content') || $currentFolder == '/') {
break;
}
$currentFolder = dirname($currentFolder);
}
return $config;
}
}
|
