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<?php
namespace SMW\Importer;
use RuntimeException;
use SMW\Utils\ErrorCodeFormatter;
/**
* @license GNU GPL v2+
* @since 2.5
*
* @author mwjames
*/
class JsonImportContentsFileDirReader {
/**
* @var ContentModeller
*/
private $contentModeller;
/**
* @var array
*/
private static $contents = [];
/**
* @var array
*/
private $errors = [];
/**
* @var []
*/
private $importFileDirs = [];
/**
* @since 2.5
*
* @param ContentModeller $contentModeller
* @param array $importFileDirs
*/
public function __construct( ContentModeller $contentModeller, $importFileDirs = [] ) {
$this->contentModeller = $contentModeller;
$this->importFileDirs = $importFileDirs;
if ( $this->importFileDirs === [] ) {
$this->importFileDirs = $GLOBALS['smwgImportFileDirss'];
}
}
/**
* @since 2.5
*
* @return array
*/
public function getErrors() {
return $this->errors;
}
/**
* @since 2.5
*
* @return ImportContents[]
*/
public function getContentList() {
$contents = [];
foreach ( $this->importFileDirs as $importFileDir ) {
try{
$files = $this->getFilesFromLocation( $this->normalize( $importFileDir ), 'json' );
} catch( RuntimeException $e ) {
$this->errors[] = $importFileDir . ' is not accessible.';
$files = [];
}
foreach ( $files as $file => $path ) {
$contentList = $this->contentModeller->makeContentList(
$importFileDir,
$this->readJSONFile( $path )
);
if ( $contentList === [] ) {
continue;
}
$contents[$file] = $contentList;
}
}
return $contents;
}
private function readJSONFile( $file ) {
$contents = json_decode(
file_get_contents( $file ),
true
);
if ( $contents !== null && json_last_error() === JSON_ERROR_NONE ) {
return $contents;
}
throw new RuntimeException( ErrorCodeFormatter::getMessageFromJsonErrorCode( json_last_error() ) );
}
private function normalize( $importFileDir ) {
if ( $importFileDir === '' ) {
return '';
}
$path = str_replace( [ '\\', '/' ], DIRECTORY_SEPARATOR, $importFileDir );
if ( is_readable( $path ) ) {
return $path;
}
throw new RuntimeException( "Expected an accessible {$path} path" );
}
private function getFilesFromLocation( $path, $extension ) {
if ( $path === '' ) {
return [];
}
$files = [];
$directoryIterator = new \RecursiveDirectoryIterator( $path );
foreach ( new \RecursiveIteratorIterator( $directoryIterator ) as $fileInfo ) {
if ( strtolower( substr( $fileInfo->getFilename(), -( strlen( $extension ) + 1 ) ) ) === ( '.' . $extension ) ) {
$files[$fileInfo->getFilename()] = $fileInfo->getPathname();
}
}
return $files;
}
}
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