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<?php
declare(strict_types = 1);
namespace WMDE\Fundraising\Frontend\Infrastructure;
use FileFetcher\FileFetcher;
class JsonStringReader {
private $file;
private $fileFetcher;
private $json;
public function __construct( string $file, FileFetcher $fileFetcher ) {
$this->file = $file;
$this->fileFetcher = $fileFetcher;
}
private function getJsonFile(): string {
return $this->fileFetcher->fetchFile( $this->file );
private function isJsonEmpty(): bool {
return $this->json === '';
private function isJsonValid(): bool {
json_decode( $this->json );
return json_last_error() === JSON_ERROR_NONE;
public function readAndValidateJson(): string {
$this->json = $this->getJsonFile();
if ( $this->isJsonEmpty() || !$this->isJsonValid() ) {
throw new \RuntimeException( 'error_invalid_json' );
return $this->json;
wmde /
FundraisingFrontend
