createFetcher method

@override Future<Try<Fetcher, OpeningException>> createFetcher(PublicationAssetDependencies dependencies, String? credentials)

Creates a fetcher used to access the asset's content.

Implementation

@override
Future<Try<Fetcher, OpeningException>> createFetcher(
    PublicationAssetDependencies dependencies, String? credentials) async {
  try {
    Fetcher? fetcher;
    if (await FileSystemEntity.isDirectory(file.path)) {
      fetcher = FileFetcher.single(href: "/", file: file);
    } else if (await file.exists()) {
      if ((await mediaType).isZip) {
        fetcher = await ArchiveFetcher.fromPath(file.path,
            archiveFactory: dependencies.archiveFactory);
      } else {
        fetcher = FileFetcher.single(href: "/$name", file: file);
      }
    } else {
      throw FileNotFoundException(file.path);
    }
    return Try.success(fetcher);
  } on FileNotFoundException {
    return Try.failure(OpeningException.notFound);
  }
}